Feat: configure audit fields and metrics for onix adapter and add local configuration for onix adapterZ

config/onix/adapter.local.yaml

@@ -0,0 +1,221 @@
+appName: "onix"
+log:
+  level: debug
+  destinations:
+    - type: stdout
+  contextKeys:
+    - transaction_id
+    - message_id
+    - subscriber_id
+    - module_id
+http:
+  port: 8080
+  timeout:
+    read: 30
+    write: 30
+    idle: 30
+pluginManager:
+  root: ./plugins
+  remoteRoot: ""
+modules:
+  - name: bapTxnReciever
+    path: /bap/reciever/
+    handler:
+      type: std
+      role: bap
+      httpClientConfig:
+        maxIdleConns: 1000
+        maxIdleConnsPerHost: 200
+        idleConnTimeout: 300s
+        responseHeaderTimeout: 5s
+      plugins:
+        registry:
+          id: registry
+          config:
+            url: http://localhost:8080/reg
+            retry_max: 3
+            retry_wait_min: 100ms
+            retry_wait_max: 500ms
+        keyManager:
+          id: secretskeymanager
+          config:
+            projectID: ${projectID}
+        cache:
+          id: redis
+          config:
+            addr: 10.81.192.4:6379
+        schemaValidator:
+          id: schemavalidator
+          config:
+            schemaDir: /mnt/gcs/configs/schemas
+        signValidator:
+          id: signvalidator
+        publisher:
+          id: publisher
+          config:
+            project: ${projectID}
+            topic: bapNetworkReciever
+        router:
+          id: router
+          config:
+            routingConfigPath: /mnt/gcs/configs/bapTxnReciever-routing.yaml
+        middleware:
+          - id: reqpreprocessor
+            config:
+              contextKeys: transaction_id,message_id
+              role: bap
+      steps:
+        - validateSign
+        - addRoute
+        - validateSchema
+  - name: bapTxnCaller
+    path: /bap/caller/
+    handler:
+      type: std
+      role: bap
+      httpClientConfig:
+        maxIdleConns: 1000
+        maxIdleConnsPerHost: 200
+        idleConnTimeout: 300s
+        responseHeaderTimeout: 5s
+      plugins:
+        registry:
+          id: registry
+          config:
+            url: http://localhost:8080/reg
+            retry_max: 3
+            retry_wait_min: 100ms
+            retry_wait_max: 500ms
+        keyManager:
+          id: secretskeymanager
+          config:
+            projectID: ${projectID}
+        cache:
+          id: redis
+          config:
+            addr: 192.168.1.1:6379
+        schemaValidator:
+          id: schemavalidator
+          config:
+            schemaDir: /mnt/gcs/configs/schemas
+        signer:
+          id: signer
+        publisher:
+          id: publisher
+          config:
+            project: ${projectID}
+            topic: bapNetworkReciever
+        router:
+          id: router
+          config:
+            routingConfigPath: /mnt/gcs/configs/bapTxnCaller-routing.yaml
+        middleware:
+          - id: reqpreprocessor
+            config:
+              contextKeys: transaction_id,message_id
+              role: bap
+      steps:
+        - validateSchema
+        - addRoute
+        - sign
+  - name: bppTxnReciever
+    path: /bpp/reciever/
+    handler:
+      type: std
+      role: bpp
+      subscriberId: bpp1
+      httpClientConfig:
+        maxIdleConns: 1000
+        maxIdleConnsPerHost: 200
+        idleConnTimeout: 300s
+        responseHeaderTimeout: 5s
+      plugins:
+        registry:
+          id: registry
+          config:
+            url: http://localhost:8080/reg
+            retry_max: 3
+            retry_wait_min: 100ms
+            retry_wait_max: 500ms
+        keyManager:
+          id: secretskeymanager
+          config:
+            projectID: ${projectID}
+        cache:
+          id: redis
+          config:
+            addr: 192.168.1.1:6379
+        schemaValidator:
+          id: schemavalidator
+          config:
+            schemaDir: /mnt/gcs/configs/schemas
+        signValidator:
+          id: signvalidator
+        publisher:
+          id: publisher
+          config:
+            project: ${projectID}
+            topic: bapNetworkReciever
+        router:
+          id: router
+          config:
+            routingConfigPath: /mnt/gcs/configs/bppTxnReciever-routing.yaml
+        middleware:
+          - id: reqpreprocessor
+            config:
+              contextKeys: transaction_id,message_id
+              role: bpp
+      steps:
+        - validateSign
+        - addRoute
+        - validateSchema
+  - name: bppTxnCaller
+    path: /bpp/caller/
+    handler:
+      type: std
+      role: bpp
+      httpClientConfig:
+        maxIdleConns: 1000
+        maxIdleConnsPerHost: 200
+        idleConnTimeout: 300s
+        responseHeaderTimeout: 5s
+      plugins:
+        registry:
+          id: registry
+          config:
+            url: http://localhost:8080/reg
+            retry_max: 3
+            retry_wait_min: 100ms
+            retry_wait_max: 500ms
+        keyManager:
+          id: secretskeymanager
+          config:
+            projectID: ${projectID}
+        cache:
+          id: redis
+          config:
+            addr: 192.168.1.1:6379
+        schemaValidator:
+          id: schemavalidator
+          config:
+            schemaDir: /mnt/gcs/configs/schemas
+        signer:
+          id: signer
+        publisher:
+          id: publisher
+          config:
+            project: ${projectID}
+            topic: bapNetworkReciever
+        router:
+          id: router
+          config:
+            routingConfigPath: /mnt/gcs/configs/bppTxnCaller-routing.yaml
+        middleware:
+          - id: reqpreprocessor
+            config:
+              contextKeys: transaction_id,message_id
+              role: bpp
+      steps:
+        - validateSchema
+        - addRoute
+        - sign

config/onix/adapter.yaml

@@ -1,4 +1,4 @@
-appName: "onix"
+appName: "onix-ev-charging"
 log:
   level: debug
   destinations:
@@ -8,21 +8,49 @@ log:
     - message_id
     - subscriber_id
     - module_id
+    - parent_id
+    
+
+# OpenTelemetry (OTLP) - metrics and traces sent to OTEL collector, then to Loki/backend
+plugins:
+  otelsetup:
+    id: otelsetup
+    config:
+      serviceName: "onix-ev-charging-bap"
+      serviceVersion: "1.0.0"
+      environment: "development"
+      domain: "ev_charging"
+      otlpEndpoint: "otel-collector:4317"
+      enableMetrics: "true"
+      networkMetricsGranularity: "2min"
+      networkMetricsFrequency: "4min"
+      enableTracing: "true"
+      enableLogs: "true"
+      timeInterval: "5"
+      auditFieldsConfig: "/app/config/audit-fields.yaml"
+
+
+# this is the port for the bap plugin where bap app can dump the requests to the plugin
 http:
-  port: 8080
+  port: 8001
   timeout:
     read: 30
     write: 30
     idle: 30
+
 pluginManager:
   root: /app/plugins
-  remoteRoot: /mnt/gcs/plugins/plugins_bundle.zip
+
 modules:
-  - name: bapTxnReciever
+  # BAP Receiver - Receives callbacks from CDS (Phase 1) and BPPs (Phase 2+)
-    path: /bap/reciever/
+  # Phase 1: Receives on_search from CDS with aggregated catalog
+  # Phase 2+: Receives callbacks from BPPs (on_select, on_init, on_confirm, etc.)
+  - name: bapTxnReceiver
+    path: /bap/receiver/
     handler:
       type: std
       role: bap
+      subscriberId: ev-charging.sandbox1.com
       httpClientConfig:
         maxIdleConns: 1000
         maxIdleConnsPerHost: 200
@@ -32,47 +60,55 @@ modules:
         registry:
           id: registry
           config:
-            url: http://localhost:8080/reg
+            url: http://mock-registry:3030
             retry_max: 3
             retry_wait_min: 100ms
             retry_wait_max: 500ms
         keyManager:
-          id: secretskeymanager
+          id: simplekeymanager
           config:
-            projectID: ${projectID}
+            networkParticipant: example-bap.com
+            keyId: bap-key-1
+            signingPrivateKey: xnKF3BIg3Ei+ZEvxBtK0Mm4GRG1Mr0+K9IrxT6CnHEE=
+            signingPublicKey: MKA6fln8vmU2Qn80Y7dLzagpaPNqQWOlvGglMo5s0IU=
+            encrPrivateKey: xnKF3BIg3Ei+ZEvxBtK0Mm4GRG1Mr0+K9IrxT6CnHEE=
+            encrPublicKey: MKA6fln8vmU2Qn80Y7dLzagpaPNqQWOlvGglMo5s0IU=
         cache:
-          id: redis
+          id: cache
           config:
-            addr: 10.81.192.4:6379
+            addr: redis-bap:6379
         schemaValidator:
-          id: schemavalidator
+          id: schemav2validator
           config:
-            schemaDir: /mnt/gcs/configs/schemas
+            type: url
+            location: https://raw.githubusercontent.com/beckn/protocol-specifications-new/refs/heads/main/api/beckn.yaml
+            cacheTTL: "3600"
         signValidator:
           id: signvalidator
-        publisher:
-          id: publisher
-          config:
-            project: ${projectID}
-            topic: bapNetworkReciever
         router:
           id: router
           config:
-            routingConfigPath: /mnt/gcs/configs/bapTxnReciever-routing.yaml
+            routingConfig: /app/config/bapTxnReciever-routing.yaml
         middleware:
           - id: reqpreprocessor
             config:
-              contextKeys: transaction_id,message_id
+              contextKeys: transaction_id,message_id,parent_id
               role: bap
       steps:
         - validateSign
         - addRoute
         - validateSchema
+
+  # BAP Caller - Entry point for all requests from BAP
+  # Phase 1: Routes search to external CDS for aggregation
+  # Phase 2+: Routes other requests directly to BPP (bypasses CDS)
+  # Uses bpp_uri from context for dynamic routing in Phase 2+
   - name: bapTxnCaller
     path: /bap/caller/
     handler:
       type: std
       role: bap
+      subscriberId: ev-charging.sandbox1.com
       httpClientConfig:
         maxIdleConns: 1000
         maxIdleConnsPerHost: 200
@@ -82,139 +118,41 @@ modules:
         registry:
           id: registry
           config:
-            url: http://localhost:8080/reg
+            url: http://mock-registry:3030
             retry_max: 3
             retry_wait_min: 100ms
             retry_wait_max: 500ms
         keyManager:
-          id: secretskeymanager
+          id: simplekeymanager
           config:
-            projectID: ${projectID}
+            networkParticipant: example-bap.com
+            keyId: bap-key-1
+            signingPrivateKey: xnKF3BIg3Ei+ZEvxBtK0Mm4GRG1Mr0+K9IrxT6CnHEE=
+            signingPublicKey: MKA6fln8vmU2Qn80Y7dLzagpaPNqQWOlvGglMo5s0IU=
+            encrPrivateKey: xnKF3BIg3Ei+ZEvxBtK0Mm4GRG1Mr0+K9IrxT6CnHEE=
+            encrPublicKey: MKA6fln8vmU2Qn80Y7dLzagpaPNqQWOlvGglMo5s0IU=
         cache:
-          id: redis
+          id: cache
           config:
-            addr: 192.168.1.1:6379
+            addr: redis-bap:6379
         schemaValidator:
-          id: schemavalidator
+          id: schemav2validator
           config:
-            schemaDir: /mnt/gcs/configs/schemas
+            type: url
-        signer:
+            location: https://raw.githubusercontent.com/beckn/protocol-specifications-new/refs/heads/main/api/beckn.yaml
-          id: signer
+            cacheTTL: "3600"
-        publisher:
-          id: publisher
-          config:
-            project: ${projectID}
-            topic: bapNetworkReciever
         router:
           id: router
           config:
-            routingConfigPath: /mnt/gcs/configs/bapTxnCaller-routing.yaml
+            routingConfig: /app/config/bapTxnCaller-routing.yaml
+        signer:
+          id: signer
         middleware:
           - id: reqpreprocessor
             config:
-              contextKeys: transaction_id,message_id
+              contextKeys: transaction_id,message_id,parent_id
               role: bap
-      steps:
+       
-        - validateSchema
-        - addRoute
-        - sign
-  - name: bppTxnReciever
-    path: /bpp/reciever/
-    handler:
-      type: std
-      role: bpp
-      subscriberId: bpp1
-      httpClientConfig:
-        maxIdleConns: 1000
-        maxIdleConnsPerHost: 200
-        idleConnTimeout: 300s
-        responseHeaderTimeout: 5s
-      plugins:
-        registry:
-          id: registry
-          config:
-            url: http://localhost:8080/reg
-            retry_max: 3
-            retry_wait_min: 100ms
-            retry_wait_max: 500ms
-        keyManager:
-          id: secretskeymanager
-          config:
-            projectID: ${projectID}
-        cache:
-          id: redis
-          config:
-            addr: 192.168.1.1:6379
-        schemaValidator:
-          id: schemavalidator
-          config:
-            schemaDir: /mnt/gcs/configs/schemas
-        signValidator:
-          id: signvalidator
-        publisher:
-          id: publisher
-          config:
-            project: ${projectID}
-            topic: bapNetworkReciever
-        router:
-          id: router
-          config:
-            routingConfigPath: /mnt/gcs/configs/bppTxnReciever-routing.yaml
-        middleware:
-          - id: reqpreprocessor
-            config:
-              contextKeys: transaction_id,message_id
-              role: bpp
-      steps:
-        - validateSign
-        - addRoute
-        - validateSchema
-  - name: bppTxnCaller
-    path: /bpp/caller/
-    handler:
-      type: std
-      role: bpp
-      httpClientConfig:
-        maxIdleConns: 1000
-        maxIdleConnsPerHost: 200
-        idleConnTimeout: 300s
-        responseHeaderTimeout: 5s
-      plugins:
-        registry:
-          id: registry
-          config:
-            url: http://localhost:8080/reg
-            retry_max: 3
-            retry_wait_min: 100ms
-            retry_wait_max: 500ms
-        keyManager:
-          id: secretskeymanager
-          config:
-            projectID: ${projectID}
-        cache:
-          id: redis
-          config:
-            addr: 192.168.1.1:6379
-        schemaValidator:
-          id: schemavalidator
-          config:
-            schemaDir: /mnt/gcs/configs/schemas
-        signer:
-          id: signer
-        publisher:
-          id: publisher
-          config:
-            project: ${projectID}
-            topic: bapNetworkReciever
-        router:
-          id: router
-          config:
-            routingConfigPath: /mnt/gcs/configs/bppTxnCaller-routing.yaml
-        middleware:
-          - id: reqpreprocessor
-            config:
-              contextKeys: transaction_id,message_id
-              role: bpp
       steps:
         - validateSchema
         - addRoute

config/onix/audit-fields.yaml

@@ -0,0 +1,24 @@
+auditRules:
+  default:
+    - context.transaction_id
+    - context.message_id
+    - context.action
+    - context.domain
+    - context.bap_id
+    - context.bpp_id
+
+  search:
+    - context.transaction_id
+    - context.message_id
+    - context.action
+    - context.timestamp
+    - message.intent
+
+  select:
+    - context.transaction_id
+    - context.message_id
+    - context.action
+    - context.timestamp
+    - message.order.beckn:buyer.beckn:id
+    - message.order.beckn:orderItems.beckn:acceptedOffer.beckn:id
+

config/onix/bapTxnCaller-routing.yaml

@@ -1,25 +1,41 @@
+# ONIX BAP Caller Routing Configuration
+
+# Supports Phase 1 (Discover Aggregation) and Phase 2+ (Direct BPP Routing)
+
+# Phase 1: Discover (Aggregation via CDS)
+
+# Phase 2+: Other Requests (Direct to BPP, NO CDS involvement)
+
+# These routes use bpp_uri from context (provided in on_discover aggregated response)
+
 routingRules:
-  - domain: "ONDC:TRV10"
+
-    version: "2.0.0"
+  # Phase 1: Discover to CDS
-    routingType: "bpp"
+
+  - domain: ev_charging_network
+    version: "1.0.0"
+    targetType: url
     target:
-      url: "https://gateway.example.com"
+      url: http://mock-cds:8082/csd
+      excludeAction: false
     endpoints:
-      - search
+      - discover
-  - domain: "ONDC:TRV10"
+
-    version: "2.0.0"
+
-    routingType: "bpp"
+
+  # Phase 2+: Other actions to BPP (via context_endpoint)
+
+  - domain: ev_charging_network
+    version: "1.0.0"
+    targetType: bpp
+    target: {}
     endpoints:
       - select
       - init
       - confirm
       - status
+      - track
       - cancel
-  - domain: "ONDC:TRV12"
+      - update
-    version: "2.0.0"
+      - rating
-    routingType: "bpp"
+      - support
-    endpoints:
-      - select
-      - init
-      - confirm
-      - status

config/onix/bapTxnReciever-routing.yaml

@@ -1,20 +1,47 @@
+# ONIX BAP Receiver Routing Configuration
+
+# Supports Phase 1 (Discover Aggregation) and Phase 2+ (Direct BPP Callbacks)
+
+
+
+# Phase 1: Discover Aggregation
+
+# Phase 2+: Other Callbacks (Direct from BPPs to BAP, NO CDS involvement)
+
+# These routes use bap_uri from context to route callbacks back to originating BAP
+
+
+
 routingRules:
-  - domain: "ONDC:TRV10"
+
-    version: "2.0.0"
+  # Phase 1: on_discover callback to BAP (routed to mock-bap for testing)
-    routingType: "url"
+  - domain: ev_charging_network
+    version: "1.0.0"
+    targetType: url
     target:
-      url: "https://services-backend/trv/v1"
+      url: http://mock-bap:9001
+      excludeAction: false
+    endpoints:
+      - on_discover
+      
+
+
+
+  # Phase 2+: Other callbacks to BAP (routed to mock-bap for testing)
+
+  - domain: ev_charging_network
+    version: "1.0.0"
+    targetType: url
+    target:
+      url: http://mock-bap:9001
+      excludeAction: false
     endpoints:
       - on_select
       - on_init
       - on_confirm
       - on_status
-      - on_update
+      - on_track
       - on_cancel
-  - domain: "ONDC:TRV10"
+      - on_update
-    version: "2.0.0"
+      - on_rating
-    routingType: "msgq"
+      - on_support
-    target:
-      topic_id: "trv_topic_id1"
-    endpoints:
-      - on_search

core/module/handler/http_metric.go

@@ -0,0 +1,120 @@
+package handler
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"strconv"
+	"sync"
+	"time"
+
+	"github.com/beckn-one/beckn-onix/pkg/telemetry"
+	"github.com/google/uuid"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/metric"
+)
+
+type HTTPMetrics struct {
+	HttpRequestCount metric.Int64Counter
+}
+
+var (
+	httlMetricsInstance *HTTPMetrics
+	httpMetricsOnce     sync.Once
+	httpMetricsErr      error
+)
+
+func newHTTPMetrics() (*HTTPMetrics, error) {
+
+	meter := otel.GetMeterProvider().Meter(telemetry.ScopeName,
+		metric.WithInstrumentationVersion(telemetry.ScopeVersion))
+	m := &HTTPMetrics{}
+	var err error
+
+	if m.HttpRequestCount, err = meter.Int64Counter(
+		"onix_http_request_count",
+		metric.WithDescription("Total HTTP requests by status, route, method, role and calle "),
+		metric.WithUnit("1"),
+	); err != nil {
+		return nil, fmt.Errorf("onix_http_request_count: %w", err)
+	}
+
+	return m, nil
+}
+
+func GetHTTPMetrics(ctx context.Context) (*HTTPMetrics, error) {
+	httpMetricsOnce.Do(func() {
+		httlMetricsInstance, httpMetricsErr = newHTTPMetrics()
+	})
+	return httlMetricsInstance, httpMetricsErr
+}
+
+// StatusClass returns the HTTP status class string (e.g. 200 -> "2xx").
+func StatusClass(statusCode int) string {
+	switch {
+	case statusCode >= 100 && statusCode < 200:
+		return "1xx"
+	case statusCode >= 200 && statusCode < 300:
+		return "2xx"
+	case statusCode >= 300 && statusCode < 400:
+		return "3xx"
+	case statusCode >= 400 && statusCode < 500:
+		return "4xx"
+	default:
+		return "5xx"
+	}
+}
+
+func RecordHTTPRequest(ctx context.Context, statusCode int, action, role, caller string) {
+	m, err := GetHTTPMetrics(ctx)
+	if err != nil || m == nil {
+		return
+	}
+	status := StatusClass(statusCode)
+	attributes := []attribute.KeyValue{
+		telemetry.AttrHTTPStatus.String(status),
+		telemetry.AttrAction.String(action),
+		telemetry.AttrRole.String(role),
+		telemetry.AttrCaller.String(caller),
+	}
+
+	metric_code := action + "_api_total_count"
+	category := "NetworkHealth"
+	if action == "/search" || action == "/discovery" {
+		category = "Discovery"
+	}
+	attributes = append(attributes, specHttpMetricAttr(metric_code, category)...) //TODO: need to update as per the furthur discussion
+	m.HttpRequestCount.Add(ctx, 1, metric.WithAttributes(attributes...))
+}
+
+type responseRecorder struct {
+	http.ResponseWriter
+	statusCode int
+	written    bool
+	record     func()
+}
+
+func (r *responseRecorder) WriteHeader(statusCode int) {
+	if !r.written {
+		r.written = true
+		r.statusCode = statusCode
+		if r.record != nil {
+			r.record()
+		}
+	}
+	r.ResponseWriter.WriteHeader(statusCode)
+}
+
+func specHttpMetricAttr(metricCode, category string) []attribute.KeyValue {
+
+	granularity, frequency := telemetry.GetNetworkMetricsConfig()
+	return []attribute.KeyValue{
+		telemetry.AttrMetricUUID.String(uuid.New().String()),
+		telemetry.AttrMetricCode.String(metricCode),
+		telemetry.AttrMetricCategory.String(category),
+		telemetry.AttrMetricGranularity.String(granularity),
+		telemetry.AttrMetricFrequency.String(frequency),
+		telemetry.AttrObservedTimeUnixNano.String(strconv.FormatInt(time.Now().UnixNano(), 10)),
+	}
+}

core/module/handler/stdHandler.go

@@ -7,12 +7,22 @@ import (
 	"io"
 	"net/http"
 	"net/http/httputil"
+	"strconv"
+	"time"
 
 	"github.com/beckn-one/beckn-onix/pkg/log"
 	"github.com/beckn-one/beckn-onix/pkg/model"
 	"github.com/beckn-one/beckn-onix/pkg/plugin"
 	"github.com/beckn-one/beckn-onix/pkg/plugin/definition"
 	"github.com/beckn-one/beckn-onix/pkg/response"
+	"github.com/beckn-one/beckn-onix/pkg/telemetry"
+	"github.com/google/uuid"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	auditlog "go.opentelemetry.io/otel/log"
+	"go.opentelemetry.io/otel/propagation"
+	"go.opentelemetry.io/otel/trace"
 )
 
 // stdHandler orchestrates the execution of defined processing steps.
@@ -94,31 +104,74 @@ func (h *stdHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		r.Header.Del("X-Role")
 	}()
 
-	ctx, err := h.stepCtx(r, w.Header())
+	// to start a new trace
+	propagator := otel.GetTextMapPropagator()
+	traceCtx := propagator.Extract(r.Context(), propagation.HeaderCarrier(r.Header))
+	tracer := otel.Tracer(telemetry.ScopeName, trace.WithInstrumentationVersion(telemetry.ScopeVersion))
+	spanName := r.URL.Path
+	traceCtx, span := tracer.Start(traceCtx, spanName, trace.WithSpanKind(trace.SpanKindServer))
+
+	//to build the request with trace
+	r = r.WithContext(traceCtx)
+
+	var recordOnce func()
+	wrapped := &responseRecorder{
+		ResponseWriter: w,
+		statusCode:     http.StatusOK,
+		record:         nil,
+	}
+
+	caller := "unknown"
+	if v, ok := r.Context().Value(model.ContextKeyCallerID).(string); ok && v != "" {
+		caller = v
+	}
+	httpMeter, _ := GetHTTPMetrics(r.Context())
+	if httpMeter != nil {
+		recordOnce = func() {
+			RecordHTTPRequest(r.Context(), wrapped.statusCode, r.URL.Path, string(h.role), caller)
+		}
+		wrapped.record = recordOnce
+	}
+
+	// set beckn attribute
+	setBecknAttr(span, r, h)
+
+	stepCtx, err := h.stepCtx(r, w.Header())
 	if err != nil {
 		log.Errorf(r.Context(), err, "stepCtx(r):%v", err)
-		response.SendNack(r.Context(), w, err)
+		response.SendNack(r.Context(), wrapped, err)
 		return
 	}
-	log.Request(r.Context(), r, ctx.Body)
+	log.Request(r.Context(), r, stepCtx.Body)
+
+	defer func() {
+		span.SetAttributes(attribute.Int("http.response.status_code", wrapped.statusCode), attribute.String("observedTimeUnixNano", strconv.FormatInt(time.Now().UnixNano(), 10)))
+		if wrapped.statusCode < 200 || wrapped.statusCode >= 400 {
+			span.SetStatus(codes.Error, "status code is invalid")
+		}
+
+		body := stepCtx.Body
+		go telemetry.EmitAuditLogs(r.Context(), body, auditlog.Int("http.response.status_code", wrapped.statusCode))
+		span.End()
+	}()
 
 	// Execute processing steps.
 	for _, step := range h.steps {
-		if err := step.Run(ctx); err != nil {
+		if err := step.Run(stepCtx); err != nil {
-			log.Errorf(ctx, err, "%T.run():%v", step, err)
+			log.Errorf(stepCtx, err, "%T.run():%v", step, err)
-			response.SendNack(ctx, w, err)
+			response.SendNack(stepCtx, wrapped, err)
 			return
 		}
 	}
 	// Restore request body before forwarding or publishing.
-	r.Body = io.NopCloser(bytes.NewReader(ctx.Body))
+	r.Body = io.NopCloser(bytes.NewReader(stepCtx.Body))
-	if ctx.Route == nil {
+	if stepCtx.Route == nil {
 		response.SendAck(w)
 		return
 	}
 
 	// Handle routing based on the defined route type.
-	route(ctx, r, w, h.publisher, h.httpClient)
+	route(stepCtx, r, wrapped, h.publisher, h.httpClient)
 }
 
 // stepCtx creates a new StepContext for processing an HTTP request.
@@ -321,3 +374,42 @@ func (h *stdHandler) initSteps(ctx context.Context, mgr PluginManager, cfg *Conf
 	log.Infof(ctx, "Processor steps initialized: %v", cfg.Steps)
 	return nil
 }
+
+func setBecknAttr(span trace.Span, r *http.Request, h *stdHandler) {
+	recipientID := h.SubscriberID
+
+	if v, ok := r.Context().Value(model.ContextKeySubscriberID).(string); ok {
+		recipientID = v
+	}
+	senderID := ""
+	if v, ok := r.Context().Value(model.ContextKeyCallerID).(string); ok {
+		senderID = v
+	}
+
+	attrs := []attribute.KeyValue{
+		attribute.String("recipient.id", recipientID),
+		attribute.String("sender.id", senderID),
+		attribute.String("span_uuid", uuid.New().String()),
+		attribute.String("http.request.method", r.Method),
+		attribute.String("http.route", r.URL.Path),
+	}
+
+	if trxID, ok := r.Context().Value(model.ContextKeyTxnID).(string); ok {
+		attrs = append(attrs, attribute.String("transaction_id", trxID))
+	}
+	if mesID, ok := r.Context().Value(model.ContextKeyMsgID).(string); ok {
+		attrs = append(attrs, attribute.String("message_id", mesID))
+	}
+	if parentID, ok := r.Context().Value(model.ContextKeyParentID).(string); ok && parentID != "" {
+		attrs = append(attrs, attribute.String("parentSpanId", parentID))
+	}
+	if r.Host != "" {
+		attrs = append(attrs, attribute.String("server.address", r.Host))
+	}
+
+	if ua := r.UserAgent(); ua != "" {
+		attrs = append(attrs, attribute.String("user_agent.original", ua))
+	}
+
+	span.SetAttributes(attrs...)
+}

core/module/handler/step.go

@@ -7,7 +7,9 @@ import (
 	"strings"
 	"time"
 
+	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/metric"
+	"go.opentelemetry.io/otel/trace"
 
 	"github.com/beckn-one/beckn-onix/pkg/log"
 	"github.com/beckn-one/beckn-onix/pkg/model"
@@ -38,17 +40,32 @@ func (s *signStep) Run(ctx *model.StepContext) error {
 	if len(ctx.SubID) == 0 {
 		return model.NewBadReqErr(fmt.Errorf("subscriberID not set"))
 	}
-	keySet, err := s.km.Keyset(ctx, ctx.SubID)
+
+	tracer := otel.Tracer("beckn-onix")
+
+	var keySet *model.Keyset
+	{
+		// to create span to finding the key set
+		keySetCtx, keySetSpan := tracer.Start(ctx.Context, "keyset")
+		defer keySetSpan.End()
+		ks, err := s.km.Keyset(keySetCtx, ctx.SubID)
 		if err != nil {
 			return fmt.Errorf("failed to get signing key: %w", err)
 		}
+		keySet = ks
+
+	}
+
+	{
+		// to create span for the signa
+		signerCtx, signerSpan := tracer.Start(ctx.Context, "sign")
+		defer signerSpan.End()
 		createdAt := time.Now().Unix()
 		validTill := time.Now().Add(5 * time.Minute).Unix()
-	sign, err := s.signer.Sign(ctx, ctx.Body, keySet.SigningPrivate, createdAt, validTill)
+		sign, err := s.signer.Sign(signerCtx, ctx.Body, keySet.SigningPrivate, createdAt, validTill)
 		if err != nil {
 			return fmt.Errorf("failed to sign request: %w", err)
 		}
-
 		authHeader := s.generateAuthHeader(ctx.SubID, keySet.UniqueKeyID, createdAt, validTill, sign)
 		log.Debugf(ctx, "Signature generated: %v", sign)
 		header := model.AuthHeaderSubscriber
@@ -56,6 +73,9 @@ func (s *signStep) Run(ctx *model.StepContext) error {
 			header = model.AuthHeaderGateway
 		}
 		ctx.Request.Header.Set(header, authHeader)
+
+	}
+
 	return nil
 }
 
@@ -93,8 +113,20 @@ func newValidateSignStep(signValidator definition.SignValidator, km definition.K
 
 // Run executes the validation step.
 func (s *validateSignStep) Run(ctx *model.StepContext) error {
-	err := s.validateHeaders(ctx)
+	tracer := otel.Tracer(telemetry.ScopeName, trace.WithInstrumentationVersion(telemetry.ScopeVersion))
-	s.recordMetrics(ctx, err)
+	spanCtx, span := tracer.Start(ctx.Context, "validate-sign")
+	defer span.End()
+	stepCtx := &model.StepContext{
+		Context:    spanCtx,
+		Request:    ctx.Request,
+		Body:       ctx.Body,
+		Role:       ctx.Role,
+		SubID:      ctx.SubID,
+		RespHeader: ctx.RespHeader,
+		Route:      ctx.Route,
+	}
+	err := s.validateHeaders(stepCtx)
+	s.recordMetrics(stepCtx, err)
 	return err
 }
 

core/module/handler/step_instrumentor.go

@@ -6,8 +6,10 @@ import (
 	"fmt"
 	"time"
 
+	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/metric"
+	"go.opentelemetry.io/otel/trace"
 
 	"github.com/beckn-one/beckn-onix/pkg/log"
 	"github.com/beckn-one/beckn-onix/pkg/model"
@@ -52,18 +54,34 @@ func (is *InstrumentedStep) Run(ctx *model.StepContext) error {
 		return is.step.Run(ctx)
 	}
 
+	tracer := otel.Tracer(telemetry.ScopeName, trace.WithInstrumentationVersion(telemetry.ScopeVersion))
+	stepName := "step:" + is.stepName
+	spanCtx, span := tracer.Start(ctx.Context, stepName)
+	defer span.End()
+
+	// run step with context that contains the step span
+	stepCtx := &model.StepContext{
+		Context:    spanCtx,
+		Request:    ctx.Request,
+		Body:       ctx.Body,
+		Role:       ctx.Role,
+		SubID:      ctx.SubID,
+		RespHeader: ctx.RespHeader,
+		Route:      ctx.Route,
+	}
+
 	start := time.Now()
-	err := is.step.Run(ctx)
+	err := is.step.Run(stepCtx)
 	duration := time.Since(start).Seconds()
 
 	attrs := []attribute.KeyValue{
 		telemetry.AttrModule.String(is.moduleName),
 		telemetry.AttrStep.String(is.stepName),
-		telemetry.AttrRole.String(string(ctx.Role)),
+		telemetry.AttrRole.String(string(stepCtx.Role)),
 	}
 
-	is.metrics.StepExecutionTotal.Add(ctx.Context, 1, metric.WithAttributes(attrs...))
+	is.metrics.StepExecutionTotal.Add(stepCtx.Context, 1, metric.WithAttributes(attrs...))
-	is.metrics.StepExecutionDuration.Record(ctx.Context, duration, metric.WithAttributes(attrs...))
+	is.metrics.StepExecutionDuration.Record(stepCtx.Context, duration, metric.WithAttributes(attrs...))
 
 	if err != nil {
 		errorType := fmt.Sprintf("%T", err)
@@ -75,10 +93,12 @@ func (is *InstrumentedStep) Run(ctx *model.StepContext) error {
 		}
 
 		errorAttrs := append(attrs, telemetry.AttrErrorType.String(errorType))
-		is.metrics.StepErrorsTotal.Add(ctx.Context, 1, metric.WithAttributes(errorAttrs...))
+		is.metrics.StepErrorsTotal.Add(stepCtx.Context, 1, metric.WithAttributes(errorAttrs...))
-		log.Errorf(ctx.Context, err, "Step %s failed", is.stepName)
+		log.Errorf(stepCtx.Context, err, "Step %s failed", is.stepName)
 	}
 
+	if stepCtx.Route != nil {
+		ctx.Route = stepCtx.Route
+	}
 	return err
 }
-

core/module/handler/step_metrics.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"sync"
 
+	"github.com/beckn-one/beckn-onix/pkg/telemetry"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/metric"
 )
@@ -32,8 +33,8 @@ func GetStepMetrics(ctx context.Context) (*StepMetrics, error) {
 
 func newStepMetrics() (*StepMetrics, error) {
 	meter := otel.GetMeterProvider().Meter(
-		"github.com/beckn-one/beckn-onix/telemetry",
+		telemetry.ScopeName,
-		metric.WithInstrumentationVersion("1.0.0"),
+		metric.WithInstrumentationVersion(telemetry.ScopeVersion),
 	)
 
 	m := &StepMetrics{}
@@ -66,4 +67,3 @@ func newStepMetrics() (*StepMetrics, error) {
 
 	return m, nil
 }
-

core/module/handler/step_metrics_test.go

@@ -2,7 +2,7 @@ package handler
 
 import (
 	"context"
-	"net/http/httptest"
+	"sync"
 	"testing"
 
 	"go.opentelemetry.io/otel/metric"
@@ -103,11 +103,8 @@ func TestStepMetrics_Instruments(t *testing.T) {
 			metric.WithAttributes(telemetry.AttrStep.String("test-step"), telemetry.AttrModule.String("test-module")))
 	}, "StepErrorsTotal.Add should not panic")
 
-	// Verify metrics are exposed via HTTP handler
+	// MeterProvider is set by NewTestProvider; metrics are recorded via OTel SDK
-	rec := httptest.NewRecorder()
+	assert.NotNil(t, provider.MeterProvider, "MeterProvider should be set")
-	req := httptest.NewRequest("GET", "/metrics", nil)
-	provider.MetricsHandler.ServeHTTP(rec, req)
-	assert.Equal(t, 200, rec.Code, "Metrics endpoint should return 200")
 }
 
 func TestStepMetrics_MultipleCalls(t *testing.T) {
@@ -129,3 +126,113 @@ func TestStepMetrics_MultipleCalls(t *testing.T) {
 	}
 }
 
+func TestStepMetrics_RecordWithDifferentAttributes(t *testing.T) {
+	ctx := context.Background()
+	provider, err := telemetry.NewTestProvider(ctx)
+	require.NoError(t, err)
+	defer provider.Shutdown(context.Background())
+
+	metrics, err := GetStepMetrics(ctx)
+	require.NoError(t, err)
+	require.NotNil(t, metrics)
+
+	attrsList := []struct {
+		step   string
+		module string
+	}{
+		{"test-step", "test-module"},
+		{"", "module-only"},
+		{"step-only", ""},
+		{"", ""},
+		{"long-step-name-with-many-parts", "long-module-name"},
+	}
+
+	for _, a := range attrsList {
+		attrs := metric.WithAttributes(
+			telemetry.AttrStep.String(a.step),
+			telemetry.AttrModule.String(a.module),
+		)
+		require.NotPanics(t, func() {
+			metrics.StepExecutionDuration.Record(ctx, 0.01, attrs)
+			metrics.StepExecutionTotal.Add(ctx, 1, attrs)
+			metrics.StepErrorsTotal.Add(ctx, 0, attrs)
+		}, "Recording with step=%q module=%q should not panic", a.step, a.module)
+	}
+}
+
+func TestStepMetrics_DurationValues(t *testing.T) {
+	ctx := context.Background()
+	provider, err := telemetry.NewTestProvider(ctx)
+	require.NoError(t, err)
+	defer provider.Shutdown(context.Background())
+
+	metrics, err := GetStepMetrics(ctx)
+	require.NoError(t, err)
+	require.NotNil(t, metrics)
+
+	attrs := metric.WithAttributes(
+		telemetry.AttrStep.String("test-step"),
+		telemetry.AttrModule.String("test-module"),
+	)
+
+	durations := []float64{0, 0.0005, 0.001, 0.01, 0.1, 0.5}
+	for _, d := range durations {
+		d := d
+		require.NotPanics(t, func() {
+			metrics.StepExecutionDuration.Record(ctx, d, attrs)
+		}, "StepExecutionDuration.Record(%.4f) should not panic", d)
+	}
+}
+
+func TestStepMetrics_ConcurrentRecord(t *testing.T) {
+	ctx := context.Background()
+	provider, err := telemetry.NewTestProvider(ctx)
+	require.NoError(t, err)
+	defer provider.Shutdown(context.Background())
+
+	metrics, err := GetStepMetrics(ctx)
+	require.NoError(t, err)
+	require.NotNil(t, metrics)
+
+	attrs := metric.WithAttributes(
+		telemetry.AttrStep.String("concurrent-step"),
+		telemetry.AttrModule.String("concurrent-module"),
+	)
+
+	var wg sync.WaitGroup
+	for i := 0; i < 20; i++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			metrics.StepExecutionDuration.Record(ctx, 0.05, attrs)
+			metrics.StepExecutionTotal.Add(ctx, 1, attrs)
+			metrics.StepErrorsTotal.Add(ctx, 0, attrs)
+		}()
+	}
+	wg.Wait()
+}
+
+func TestStepMetrics_WithTraceProvider(t *testing.T) {
+	ctx := context.Background()
+	provider, sr, err := telemetry.NewTestProviderWithTrace(ctx)
+	require.NoError(t, err)
+	require.NotNil(t, provider)
+	require.NotNil(t, sr)
+	defer provider.Shutdown(ctx)
+
+	metrics, err := GetStepMetrics(ctx)
+	require.NoError(t, err)
+	require.NotNil(t, metrics)
+	assert.NotNil(t, provider.MeterProvider, "MeterProvider should be set")
+	assert.NotNil(t, provider.TraceProvider, "TraceProvider should be set")
+
+	attrs := metric.WithAttributes(
+		telemetry.AttrStep.String("trace-test-step"),
+		telemetry.AttrModule.String("trace-test-module"),
+	)
+	require.NotPanics(t, func() {
+		metrics.StepExecutionDuration.Record(ctx, 0.1, attrs)
+		metrics.StepExecutionTotal.Add(ctx, 1, attrs)
+		metrics.StepErrorsTotal.Add(ctx, 0, attrs)
+	}, "Step metrics should work when trace provider is also set")
+}

go.mod

@@ -4,7 +4,7 @@ go 1.24.0
 
 require (
 	github.com/santhosh-tekuri/jsonschema/v6 v6.0.1
-	golang.org/x/crypto v0.36.0
+	golang.org/x/crypto v0.47.0
 )
 
 require github.com/stretchr/testify v1.11.1
@@ -19,18 +19,20 @@ require (
 
 require github.com/zenazn/pkcs7pad v0.0.0-20170308005700-253a5b1f0e03
 
-require golang.org/x/text v0.26.0 // indirect
+require golang.org/x/text v0.33.0 // indirect
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
-	github.com/go-jose/go-jose/v4 v4.0.1 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.3 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-openapi/jsonpointer v0.21.0 // indirect
 	github.com/go-openapi/swag v0.23.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.7 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/go-rootcerts v1.0.2 // indirect
@@ -55,12 +57,17 @@ require (
 	github.com/redis/go-redis/extra/rediscmd/v9 v9.16.0 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // indirect
 	github.com/woodsbury/decimal128 v1.3.0 // indirect
-	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
-	go.opentelemetry.io/otel/trace v1.38.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.16.0 // indirect
-	golang.org/x/net v0.38.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.39.0 // indirect
-	golang.org/x/sys v0.38.0 // indirect
+	go.opentelemetry.io/otel/log v0.16.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.9.0 // indirect
+	golang.org/x/net v0.49.0 // indirect
+	golang.org/x/sys v0.40.0 // indirect
 	golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 // indirect
-	google.golang.org/protobuf v1.32.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
 )
 
 require (
@@ -74,13 +81,18 @@ require (
 	github.com/redis/go-redis/extra/redisotel/v9 v9.16.0
 	github.com/redis/go-redis/v9 v9.16.0
 	github.com/rs/zerolog v1.34.0
-	go.opentelemetry.io/contrib/instrumentation/runtime v0.63.0
+	go.opentelemetry.io/contrib/instrumentation/runtime v0.64.0
-	go.opentelemetry.io/otel v1.38.0
+	go.opentelemetry.io/otel v1.40.0
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.39.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.39.0
 	go.opentelemetry.io/otel/exporters/prometheus v0.46.0
-	go.opentelemetry.io/otel/metric v1.38.0
+	go.opentelemetry.io/otel/metric v1.40.0
-	go.opentelemetry.io/otel/sdk v1.38.0
+	go.opentelemetry.io/otel/sdk v1.40.0
-	go.opentelemetry.io/otel/sdk/metric v1.38.0
+	go.opentelemetry.io/otel/sdk/log v0.16.0
+	go.opentelemetry.io/otel/sdk/metric v1.40.0
+	go.opentelemetry.io/otel/trace v1.40.0
 	go.uber.org/automaxprocs v1.6.0
+	google.golang.org/grpc v1.78.0
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gopkg.in/yaml.v2 v2.4.0
 )

go.sum

@@ -8,6 +8,8 @@ github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
 github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
 github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/cenkalti/backoff/v5 v5.0.3 h1:ZN+IMa753KfX5hd8vVaMixjnqRZ3y8CuJKRKj1xcsSM=
+github.com/cenkalti/backoff/v5 v5.0.3/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
@@ -24,8 +26,8 @@ github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
 github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
 github.com/getkin/kin-openapi v0.133.0 h1:pJdmNohVIJ97r4AUFtEXRXwESr8b0bD721u/Tz6k8PQ=
 github.com/getkin/kin-openapi v0.133.0/go.mod h1:boAciF6cXk5FhPqe/NQeBTeenbjqU4LhWBf09ILVvWE=
-github.com/go-jose/go-jose/v4 v4.0.1 h1:QVEPDE3OluqXBQZDcnNvQrInro2h0e4eqNbnZSWqS6U=
+github.com/go-jose/go-jose/v4 v4.1.3 h1:CVLmWDhDVRa6Mi/IgCgaopNosCaHz7zrMeF9MlZRkrs=
-github.com/go-jose/go-jose/v4 v4.0.1/go.mod h1:WVf9LFMHh/QVrmqrOfqun0C45tMe3RoiKJMPvgWwLfY=
+github.com/go-jose/go-jose/v4 v4.1.3/go.mod h1:x4oUasVrzR7071A4TnHLGSPpNOm2a21K9Kf04k1rs08=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
 github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
@@ -38,10 +40,16 @@ github.com/go-openapi/swag v0.23.0/go.mod h1:esZ8ITTYEsH1V2trKHjAN8Ai7xHb8RV+YSZ
 github.com/go-test/deep v1.0.8 h1:TDsG77qcSprGbC6vTN8OuXp5g+J+b5Pcguhf7Zt61VM=
 github.com/go-test/deep v1.0.8/go.mod h1:5C2ZWiW0ErCdrYzpqxLbTX7MG14M9iiw8DgHncVwcsE=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3 h1:NmZ1PKzSTQbuGHw9DGPFomqkkLWMC+vZCkfs+FHv1Vg=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3/go.mod h1:zQrxl1YP88HQlA6i9c63DSVPFklWpGX4OWAc9bFuaH4=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.7 h1:X+2YciYSxvMQK0UZ7sg45ZVabVZBeBuvMkmuI2V3Fak=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.7/go.mod h1:lW34nIZuQ8UDPdkon5fmfp2l3+ZkQ2me/+oecHYLOII=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
 github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
@@ -125,8 +133,8 @@ github.com/redis/go-redis/extra/redisotel/v9 v9.16.0 h1:+a9h9qxFXdf3gX0FXnDcz7X4
 github.com/redis/go-redis/extra/redisotel/v9 v9.16.0/go.mod h1:EtTTC7vnKWgznfG6kBgl9ySLqd7NckRCFUBzVXdeHeI=
 github.com/redis/go-redis/v9 v9.16.0 h1:OotgqgLSRCmzfqChbQyG1PHC3tLNR89DG4jdOERSEP4=
 github.com/redis/go-redis/v9 v9.16.0/go.mod h1:u410H11HMLoB+TP67dz8rL9s6QW2j76l0//kSOd3370=
-github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
+github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
-github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
+github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
 github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
 github.com/rs/zerolog v1.34.0 h1:k43nTLIwcTVQAncfCw4KZ2VY6ukYoZaBPNOE8txlOeY=
 github.com/rs/zerolog v1.34.0/go.mod h1:bJsvje4Z08ROH4Nhs5iH600c3IkWhwp44iRc54W6wYQ=
@@ -147,42 +155,78 @@ github.com/woodsbury/decimal128 v1.3.0 h1:8pffMNWIlC0O5vbyHWFZAt5yWvWcrHA+3ovIIj
 github.com/woodsbury/decimal128 v1.3.0/go.mod h1:C5UTmyTjW3JftjUFzOVhC20BEQa2a4ZKOB5I6Zjb+ds=
 github.com/zenazn/pkcs7pad v0.0.0-20170308005700-253a5b1f0e03 h1:m1h+vudopHsI67FPT9MOncyndWhTcdUoBtI1R1uajGY=
 github.com/zenazn/pkcs7pad v0.0.0-20170308005700-253a5b1f0e03/go.mod h1:8sheVFH84v3PCyFY/O02mIgSQY9I6wMYPWsq7mDnEZY=
-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
-go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
+go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
-go.opentelemetry.io/contrib/instrumentation/runtime v0.63.0 h1:PeBoRj6af6xMI7qCupwFvTbbnd49V7n5YpG6pg8iDYQ=
+go.opentelemetry.io/contrib/instrumentation/runtime v0.64.0 h1:/+/+UjlXjFcdDlXxKL1PouzX8Z2Vl0OxolRKeBEgYDw=
-go.opentelemetry.io/contrib/instrumentation/runtime v0.63.0/go.mod h1:ingqBCtMCe8I4vpz/UVzCW6sxoqgZB37nao91mLQ3Bw=
+go.opentelemetry.io/contrib/instrumentation/runtime v0.64.0/go.mod h1:Ldm/PDuzY2DP7IypudopCR3OCOW42NJlN9+mNEroevo=
-go.opentelemetry.io/otel v1.38.0 h1:RkfdswUDRimDg0m2Az18RKOsnI8UDzppJAtj01/Ymk8=
+go.opentelemetry.io/otel v1.40.0 h1:oA5YeOcpRTXq6NN7frwmwFR0Cn3RhTVZvXsP4duvCms=
-go.opentelemetry.io/otel v1.38.0/go.mod h1:zcmtmQ1+YmQM9wrNsTGV/q/uyusom3P8RxwExxkZhjM=
+go.opentelemetry.io/otel v1.40.0/go.mod h1:IMb+uXZUKkMXdPddhwAHm6UfOwJyh4ct1ybIlV14J0g=
+go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.16.0 h1:ZVg+kCXxd9LtAaQNKBxAvJ5NpMf7LpvEr4MIZqb0TMQ=
+go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.16.0/go.mod h1:hh0tMeZ75CCXrHd9OXRYxTlCAdxcXioWHFIpYw2rZu8=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.39.0 h1:cEf8jF6WbuGQWUVcqgyWtTR0kOOAWY1DYZ+UhvdmQPw=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.39.0/go.mod h1:k1lzV5n5U3HkGvTCJHraTAGJ7MqsgL1wrGwTj1Isfiw=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.39.0 h1:f0cb2XPmrqn4XMy9PNliTgRKJgS5WcL/u0/WRYGz4t0=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.39.0/go.mod h1:vnakAaFckOMiMtOIhFI2MNH4FYrZzXCYxmb1LlhoGz8=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.39.0 h1:in9O8ESIOlwJAEGTkkf34DesGRAc/Pn8qJ7k3r/42LM=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.39.0/go.mod h1:Rp0EXBm5tfnv0WL+ARyO/PHBEaEAT8UUHQ6AGJcSq6c=
 go.opentelemetry.io/otel/exporters/prometheus v0.46.0 h1:I8WIFXR351FoLJYuloU4EgXbtNX2URfU/85pUPheIEQ=
 go.opentelemetry.io/otel/exporters/prometheus v0.46.0/go.mod h1:ztwVUHe5DTR/1v7PeuGRnU5Bbd4QKYwApWmuutKsJSs=
-go.opentelemetry.io/otel/metric v1.38.0 h1:Kl6lzIYGAh5M159u9NgiRkmoMKjvbsKtYRwgfrA6WpA=
+go.opentelemetry.io/otel/log v0.16.0 h1:DeuBPqCi6pQwtCK0pO4fvMB5eBq6sNxEnuTs88pjsN4=
-go.opentelemetry.io/otel/metric v1.38.0/go.mod h1:kB5n/QoRM8YwmUahxvI3bO34eVtQf2i4utNVLr9gEmI=
+go.opentelemetry.io/otel/log v0.16.0/go.mod h1:rWsmqNVTLIA8UnwYVOItjyEZDbKIkMxdQunsIhpUMes=
-go.opentelemetry.io/otel/sdk v1.38.0 h1:l48sr5YbNf2hpCUj/FoGhW9yDkl+Ma+LrVl8qaM5b+E=
+go.opentelemetry.io/otel/metric v1.40.0 h1:rcZe317KPftE2rstWIBitCdVp89A2HqjkxR3c11+p9g=
-go.opentelemetry.io/otel/sdk v1.38.0/go.mod h1:ghmNdGlVemJI3+ZB5iDEuk4bWA3GkTpW+DOoZMYBVVg=
+go.opentelemetry.io/otel/metric v1.40.0/go.mod h1:ib/crwQH7N3r5kfiBZQbwrTge743UDc7DTFVZrrXnqc=
-go.opentelemetry.io/otel/sdk/metric v1.38.0 h1:aSH66iL0aZqo//xXzQLYozmWrXxyFkBJ6qT5wthqPoM=
+go.opentelemetry.io/otel/sdk v1.40.0 h1:KHW/jUzgo6wsPh9At46+h4upjtccTmuZCFAc9OJ71f8=
-go.opentelemetry.io/otel/sdk/metric v1.38.0/go.mod h1:dg9PBnW9XdQ1Hd6ZnRz689CbtrUp0wMMs9iPcgT9EZA=
+go.opentelemetry.io/otel/sdk v1.40.0/go.mod h1:Ph7EFdYvxq72Y8Li9q8KebuYUr2KoeyHx0DRMKrYBUE=
-go.opentelemetry.io/otel/trace v1.38.0 h1:Fxk5bKrDZJUH+AMyyIXGcFAPah0oRcT+LuNtJrmcNLE=
+go.opentelemetry.io/otel/sdk/log v0.16.0 h1:e/b4bdlQwC5fnGtG3dlXUrNOnP7c8YLVSpSfEBIkTnI=
-go.opentelemetry.io/otel/trace v1.38.0/go.mod h1:j1P9ivuFsTceSWe1oY+EeW3sc+Pp42sO++GHkg4wwhs=
+go.opentelemetry.io/otel/sdk/log v0.16.0/go.mod h1:JKfP3T6ycy7QEuv3Hj8oKDy7KItrEkus8XJE6EoSzw4=
+go.opentelemetry.io/otel/sdk/metric v1.40.0 h1:mtmdVqgQkeRxHgRv4qhyJduP3fYJRMX4AtAlbuWdCYw=
+go.opentelemetry.io/otel/sdk/metric v1.40.0/go.mod h1:4Z2bGMf0KSK3uRjlczMOeMhKU2rhUqdWNoKcYrtcBPg=
+go.opentelemetry.io/otel/trace v1.40.0 h1:WA4etStDttCSYuhwvEa8OP8I5EWu24lkOzp+ZYblVjw=
+go.opentelemetry.io/otel/trace v1.40.0/go.mod h1:zeAhriXecNGP/s2SEG3+Y8X9ujcJOTqQ5RgdEJcawiA=
+go.opentelemetry.io/proto/otlp v1.9.0 h1:l706jCMITVouPOqEnii2fIAuO3IVGBRPV5ICjceRb/A=
+go.opentelemetry.io/proto/otlp v1.9.0/go.mod h1:xE+Cx5E/eEHw+ISFkwPLwCZefwVjY+pqKg1qcK03+/4=
 go.uber.org/automaxprocs v1.6.0 h1:O3y2/QNTOdbF+e/dpXNNW7Rx2hZ4sTIPyybbxyNqTUs=
 go.uber.org/automaxprocs v1.6.0/go.mod h1:ifeIMSnPZuznNm6jmdzmU3/bfk01Fe2fotchwEFJ8r8=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
+golang.org/x/crypto v0.44.0 h1:A97SsFvM3AIwEEmTBiaxPPTYpDC47w720rdiiUvgoAU=
-golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
+golang.org/x/crypto v0.44.0/go.mod h1:013i+Nw79BMiQiMsOPcVCB5ZIJbYkerPrGnOa00tvmc=
-golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
+golang.org/x/crypto v0.47.0 h1:V6e3FRj+n4dbpw86FJ8Fv7XVOql7TEwpHapKoMJ/GO8=
-golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
+golang.org/x/crypto v0.47.0/go.mod h1:ff3Y9VzzKbwSSEzWqJsJVBnWmRwRSHt/6Op5n9bQc4A=
+golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
+golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
+golang.org/x/net v0.49.0 h1:eeHFmOGUTtaaPSGNmjBKpbng9MulQsJURQUAfUwY++o=
+golang.org/x/net v0.49.0/go.mod h1:/ysNB2EvaqvesRkuLAyjI1ycPZlQHM3q01F02UY/MV8=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
+golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
-golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-golang.org/x/text v0.26.0 h1:P42AVeLghgTYr4+xUnTRKDMqpar+PtX7KWuNQL21L8M=
+golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
-golang.org/x/text v0.26.0/go.mod h1:QK15LZJUUQVJxhz7wXgxSy/CJaTFjd0G+YLonydOVQA=
+golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
+golang.org/x/text v0.33.0 h1:B3njUFyqtHDUI5jMn1YIr5B0IE2U0qck04r6d4KPAxE=
+golang.org/x/text v0.33.0/go.mod h1:LuMebE6+rBincTi9+xWTY8TztLzKHc/9C1uBCG27+q8=
 golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 h1:NusfzzA6yGQ+ua51ck7E3omNUX/JuqbFSaRGqU8CcLI=
 golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I=
+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
-google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
+google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217 h1:fCvbg86sFXwdrl5LgVcTEvNC+2txB5mgROGmRL5mrls=
+google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217/go.mod h1:+rXWjjaukWZun3mLfjmVnQi18E1AsFbDN9QdJ5YXLto=
+google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409 h1:merA0rdPeUV3YIIfHHcH4qBkiQAc1nfCKSI7lB4cV2M=
+google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409/go.mod h1:fl8J1IvUjCilwZzQowmw2b7HQB2eAuYBabMXzWurF+I=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 h1:gRkg/vSppuSQoDjxyiGfN4Upv/h/DQmIR10ZU8dh4Ww=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409 h1:H86B94AW+VfJWDqFeEbBPhEtHzJwJfTbgE2lZa54ZAQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
+google.golang.org/grpc v1.77.0 h1:wVVY6/8cGA6vvffn+wWK5ToddbgdU3d8MNENr4evgXM=
+google.golang.org/grpc v1.77.0/go.mod h1:z0BY1iVj0q8E1uSQCjL9cppRj+gnZjzDnzV0dHhrNig=
+google.golang.org/grpc v1.78.0 h1:K1XZG/yGDJnzMdd/uZHAkVqJE+xIDOcmdSFZkBUicNc=
+google.golang.org/grpc v1.78.0/go.mod h1:I47qjTo4OKbMkjA/aOOwxDIiPSBofUtQUI5EfpWvW7U=
+google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
+google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

pkg/log/log.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/beckn-one/beckn-onix/pkg/model"
 	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/trace"
 	"gopkg.in/natefinch/lumberjack.v2"
 )
 
@@ -273,6 +274,11 @@ func Request(ctx context.Context, r *http.Request, body []byte) {
 
 // addCtx adds context values to the log event based on configured context keys.
 func addCtx(ctx context.Context, event *zerolog.Event) {
+	span := trace.SpanFromContext(ctx)
+	if span.SpanContext().IsValid() {
+		event.Str("trace_id", span.SpanContext().TraceID().String())
+		event.Str("span_id", span.SpanContext().SpanID().String())
+	}
 	for _, key := range cfg.ContextKeys {
 		val, ok := ctx.Value(key).(string)
 		if !ok {

pkg/model/model.go

@@ -56,6 +56,9 @@ const (
 
 	// ContextKeyParentID is the context key for  storing  and retrieving the parent ID from a request context
 	ContextKeyParentID ContextKey = "parent_id"
+
+	// ContextKeyCallerID is the context key for the caller who is calling the bap/bpp
+	ContextKeyCallerID ContextKey = "caller_id"
 )
 
 var contextKeys = map[string]ContextKey{
@@ -64,6 +67,7 @@ var contextKeys = map[string]ContextKey{
 	"subscriber_id":  ContextKeySubscriberID,
 	"module_id":      ContextKeyModuleID,
 	"parent_id":      ContextKeyParentID,
+	"caller_id":      ContextKeyCallerID,
 }
 
 // ParseContextKey converts a string into a valid ContextKey.

pkg/plugin/implementation/cache/cache.go

@@ -8,13 +8,14 @@ import (
 	"os"
 	"time"
 
-	"go.opentelemetry.io/otel/attribute"
-	"go.opentelemetry.io/otel/metric"
-
 	"github.com/beckn-one/beckn-onix/pkg/log"
 	"github.com/beckn-one/beckn-onix/pkg/telemetry"
 	"github.com/redis/go-redis/extra/redisotel/v9"
 	"github.com/redis/go-redis/v9"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/metric"
+	"go.opentelemetry.io/otel/trace"
 )
 
 // RedisCl global variable for the Redis client, can be overridden in tests
@@ -103,10 +104,6 @@ func New(ctx context.Context, cfg *Config) (*Cache, func() error, error) {
 			log.Debugf(ctx, "Failed to instrument Redis tracing: %v", err)
 		}
 
-		if err := redisotel.InstrumentMetrics(redisClient); err != nil {
-			// Log error but don't fail - instrumentation is optional
-			log.Debugf(ctx, "Failed to instrument Redis metrics: %v", err)
-		}
 	}
 
 	metrics, _ := GetCacheMetrics(ctx)
@@ -141,8 +138,12 @@ func (c *Cache) Get(ctx context.Context, key string) (string, error) {
 
 // Set stores the given key-value pair in Redis with the specified TTL (time to live).
 func (c *Cache) Set(ctx context.Context, key, value string, ttl time.Duration) error {
-	err := c.Client.Set(ctx, key, value, ttl).Err()
+	tracer := otel.Tracer(telemetry.ScopeName, trace.WithInstrumentationVersion(telemetry.ScopeVersion))
-	c.recordOperation(ctx, "set", err)
+	spanCtx, span := tracer.Start(ctx, "redis_set")
+	defer span.End()
+
+	err := c.Client.Set(spanCtx, key, value, ttl).Err()
+	c.recordOperation(spanCtx, "set", err)
 	return err
 }
 

pkg/plugin/implementation/otelsetup/cmd/plugin.go

@@ -4,9 +4,11 @@ import (
 	"context"
 	"errors"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/beckn-one/beckn-onix/pkg/log"
+	"github.com/beckn-one/beckn-onix/pkg/model"
 	"github.com/beckn-one/beckn-onix/pkg/plugin/implementation/otelsetup"
 	"github.com/beckn-one/beckn-onix/pkg/telemetry"
 )
@@ -27,31 +29,81 @@ func (m metricsProvider) New(ctx context.Context, config map[string]string) (*te
 		ServiceName:    config["serviceName"],
 		ServiceVersion: config["serviceVersion"],
 		Environment:    config["environment"],
-		MetricsPort:    config["metricsPort"],
+		Domain:         config["domain"],
+		OtlpEndpoint:   config["otlpEndpoint"],
+	}
+
+	// to extract the device id from the parent id from context
+	var deviceId string
+	var producer string
+	var producerType string
+	var err error
+	if v := ctx.Value(model.ContextKeyParentID); v != nil {
+		parentID := v.(string)
+		p := strings.Split(parentID, ":")
+		deviceId = p[len(p)-1]
+		producerType = p[0]
+		producer = p[1]
+	}
+
+	if deviceId != "" {
+		telemetryConfig.DeviceID = deviceId
+	}
+
+	if producer != "" {
+		telemetryConfig.Producer = producer
+	}
+	if producerType != "" {
+		telemetryConfig.ProducerType = producerType
+	}
+
+	// Parse enableTracing from config
+	if enableTracingStr, ok := config["enableTracing"]; ok && enableTracingStr != "" {
+		telemetryConfig.EnableTracing, err = strconv.ParseBool(enableTracingStr)
+		if err != nil {
+			log.Warnf(ctx, "Invalid enableTracing value: %s, defaulting to False", enableTracingStr)
+		}
 	}
 
 	// Parse enableMetrics as boolean
 	if enableMetricsStr, ok := config["enableMetrics"]; ok && enableMetricsStr != "" {
-		enableMetrics, err := strconv.ParseBool(enableMetricsStr)
+		telemetryConfig.EnableMetrics, err = strconv.ParseBool(enableMetricsStr)
 		if err != nil {
-			log.Warnf(ctx, "Invalid enableMetrics value '%s', defaulting to true: %v", enableMetricsStr, err)
+			log.Warnf(ctx, "Invalid enableMetrics value '%s', defaulting to False: %v", enableMetricsStr, err)
-			telemetryConfig.EnableMetrics = true
-		} else {
-			telemetryConfig.EnableMetrics = enableMetrics
 		}
-	} else {
-		telemetryConfig.EnableMetrics = true // Default to true if not specified or empty
 	}
 
-	// Apply defaults if fields are empty
+	// Parse enableLogs as boolean
-	if telemetryConfig.ServiceName == "" {
+	if enableLogsStr, ok := config["enableLogs"]; ok && enableLogsStr != "" {
-		telemetryConfig.ServiceName = otelsetup.DefaultConfig().ServiceName
+		telemetryConfig.EnableLogs, err = strconv.ParseBool(enableLogsStr)
+		if err != nil {
+			log.Warnf(ctx, "Invalid enableLogs value '%s', defaulting to False: %v", enableLogsStr, err)
 		}
-	if telemetryConfig.ServiceVersion == "" {
-		telemetryConfig.ServiceVersion = otelsetup.DefaultConfig().ServiceVersion
 	}
-	if telemetryConfig.Environment == "" {
+
-		telemetryConfig.Environment = otelsetup.DefaultConfig().Environment
+	// Parse timeInterval as int
+	if timeIntervalStr, ok := config["timeInterval"]; ok && timeIntervalStr != "" {
+		telemetryConfig.TimeInterval, err = strconv.ParseInt(timeIntervalStr, 10, 64)
+		if err != nil {
+			log.Warnf(ctx, "Invalid timeInterval value: %s, defaulting to 5 second ", timeIntervalStr)
+		}
+
+	}
+
+	// to set fields for audit logs
+	if v, ok := config["auditFieldsConfig"]; ok && v != "" {
+		if err := telemetry.LoadAuditFieldRules(ctx, v); err != nil {
+			log.Warnf(ctx, "Failed to load audit field rules: %v", err)
+		}
+	}
+
+	//to set network leval matric frequency and granularity
+	if v, ok := config["networkMetricsGranularity"]; ok && v != "" {
+		telemetry.SetNetworkMetricsConfig(v, "")
+	}
+
+	if v, ok := config["networkMetricsFrequency"]; ok && v != "" {
+		telemetry.SetNetworkMetricsConfig("", v)
 	}
 
 	log.Debugf(ctx, "Telemetry config mapped: %+v", telemetryConfig)

pkg/plugin/implementation/otelsetup/otelsetup.go

@@ -3,23 +3,25 @@ package otelsetup
 import (
 	"context"
 	"fmt"
-	"net"
-	"net/http"
-	"sync"
-	"time"
 
-	clientprom "github.com/prometheus/client_golang/prometheus"
+	"time"
-	clientpromhttp "github.com/prometheus/client_golang/prometheus/promhttp"
-	"go.opentelemetry.io/contrib/instrumentation/runtime"
-	"go.opentelemetry.io/otel"
-	"go.opentelemetry.io/otel/attribute"
-	otelprom "go.opentelemetry.io/otel/exporters/prometheus"
-	"go.opentelemetry.io/otel/sdk/metric"
-	"go.opentelemetry.io/otel/sdk/resource"
 
 	"github.com/beckn-one/beckn-onix/pkg/log"
 	"github.com/beckn-one/beckn-onix/pkg/plugin"
 	"github.com/beckn-one/beckn-onix/pkg/telemetry"
+	"go.opentelemetry.io/contrib/instrumentation/runtime"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc"
+	"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc"
+	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
+	"go.opentelemetry.io/otel/log/global"
+	logsdk "go.opentelemetry.io/otel/sdk/log"
+	"go.opentelemetry.io/otel/sdk/metric"
+	"go.opentelemetry.io/otel/sdk/resource"
+	"go.opentelemetry.io/otel/sdk/trace"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 )
 
 // Setup wires the telemetry provider. This is the concrete implementation
@@ -30,9 +32,16 @@ type Setup struct{}
 type Config struct {
 	ServiceName    string `yaml:"serviceName"`
 	ServiceVersion string `yaml:"serviceVersion"`
-	EnableMetrics  bool   `yaml:"enableMetrics"`
 	Environment    string `yaml:"environment"`
-	MetricsPort    string `yaml:"metricsPort"`
+	Domain         string `yaml:"domain"`
+	DeviceID       string `yaml:"deviceID"`
+	EnableMetrics  bool   `yaml:"enableMetrics"`
+	EnableTracing  bool   `yaml:"enableTracing"`
+	EnableLogs     bool   `yaml:"enableLogs"`
+	OtlpEndpoint   string `yaml:"otlpEndpoint"`
+	TimeInterval   int64  `yaml:"timeInterval"`
+	Producer       string `yaml:"producer"`
+	ProducerType   string `yaml:"producerType"`
 }
 
 // DefaultConfig returns sensible defaults for telemetry configuration.
@@ -40,9 +49,11 @@ func DefaultConfig() *Config {
 	return &Config{
 		ServiceName:    "beckn-onix",
 		ServiceVersion: "dev",
-		EnableMetrics:  true,
 		Environment:    "development",
-		MetricsPort:    "9090",
+		Domain:         "",
+		DeviceID:       "beckn-onix-device",
+		OtlpEndpoint:   "localhost:4317",
+		TimeInterval:   5,
 	}
 }
 
@@ -53,9 +64,11 @@ func ToPluginConfig(cfg *Config) *plugin.Config {
 		Config: map[string]string{
 			"serviceName":    cfg.ServiceName,
 			"serviceVersion": cfg.ServiceVersion,
-			"enableMetrics":  fmt.Sprintf("%t", cfg.EnableMetrics),
 			"environment":    cfg.Environment,
-			"metricsPort":    cfg.MetricsPort,
+			"enableMetrics":  fmt.Sprintf("%t", cfg.EnableMetrics),
+			"enableTracing":  fmt.Sprintf("%t", cfg.EnableTracing),
+			"otelEndpoint":   cfg.OtlpEndpoint,
+			"deviceID":       cfg.DeviceID,
 		},
 	}
 }
@@ -78,92 +91,126 @@ func (Setup) New(ctx context.Context, cfg *Config) (*telemetry.Provider, error)
 	if cfg.Environment == "" {
 		cfg.Environment = DefaultConfig().Environment
 	}
-	if cfg.MetricsPort == "" {
+	if cfg.Domain == "" {
-		cfg.MetricsPort = DefaultConfig().MetricsPort
+		cfg.Domain = DefaultConfig().Domain
+	}
+	if cfg.DeviceID == "" {
+		cfg.DeviceID = DefaultConfig().DeviceID
+	}
+	if cfg.TimeInterval == 0 {
+		cfg.TimeInterval = DefaultConfig().TimeInterval
 	}
 
-	if !cfg.EnableMetrics {
+	if !cfg.EnableMetrics && !cfg.EnableTracing {
-		log.Info(ctx, "OpenTelemetry metrics disabled")
+		log.Info(ctx, "OpenTelemetry metrics and tracing are  disabled")
 		return &telemetry.Provider{
 			Shutdown: func(context.Context) error { return nil },
 		}, nil
 	}
 
-	res, err := resource.New(
+	//this will be used by both matric and traces
-		ctx,
+
-		resource.WithAttributes(
+	// to build resource with envelope metadata
+	baseAttrs := []attribute.KeyValue{
 		attribute.String("service.name", cfg.ServiceName),
 		attribute.String("service.version", cfg.ServiceVersion),
-			attribute.String("deployment.environment", cfg.Environment),
+		attribute.String("environment", cfg.Environment),
-		),
+		attribute.String("domain", cfg.Domain),
-	)
+		attribute.String("device_id", cfg.DeviceID),
-	if err != nil {
+		attribute.String("producerType", cfg.ProducerType),
-		return nil, fmt.Errorf("failed to create telemetry resource: %w", err)
+		attribute.String("producer", cfg.Producer),
 	}
 
-	registry := clientprom.NewRegistry()
+	resMetric, err := resource.New(ctx, resource.WithAttributes(buildAtts(baseAttrs, "METRIC")...))
-
-	exporter, err := otelprom.New(
-		otelprom.WithRegisterer(registry),
-		otelprom.WithoutUnits(),
-		otelprom.WithoutScopeInfo(),
-	)
 	if err != nil {
-		return nil, fmt.Errorf("failed to create prometheus exporter: %w", err)
+		return nil, fmt.Errorf("failed to create telemetry resource for matric: %w", err)
 	}
 
-	meterProvider := metric.NewMeterProvider(
+	//OTLP matric
-		metric.WithReader(exporter),
+	var meterProvider *metric.MeterProvider
-		metric.WithResource(res),
+	if cfg.EnableMetrics {
-	)
+		metricExpoter, err := otlpmetricgrpc.New(ctx, otlpmetricgrpc.WithEndpoint(cfg.OtlpEndpoint),
-
+			otlpmetricgrpc.WithDialOption(grpc.WithTransportCredentials(insecure.NewCredentials())))
+		if err != nil {
+			return nil, fmt.Errorf("failed to create OTLP metric exporter: %w", err)
+		}
+		reader := metric.NewPeriodicReader(metricExpoter, metric.WithInterval(time.Second*time.Duration(cfg.TimeInterval)))
+		meterProvider = metric.NewMeterProvider(metric.WithReader(reader), metric.WithResource(resMetric))
 		otel.SetMeterProvider(meterProvider)
-	log.Infof(ctx, "OpenTelemetry metrics initialized for service=%s version=%s env=%s",
+		log.Infof(ctx, "OpenTelemetry metrics initialized for service=%s version=%s env=%s (OTLP endpoint=%s)",
-		cfg.ServiceName, cfg.ServiceVersion, cfg.Environment)
+			cfg.ServiceName, cfg.ServiceVersion, cfg.Environment, cfg.OtlpEndpoint)
-
+		// for the go runtime matrics
-	if err := runtime.Start(runtime.WithMinimumReadMemStatsInterval(0)); err != nil {
+		if err := runtime.Start(runtime.WithMinimumReadMemStatsInterval(runtime.DefaultMinimumReadMemStatsInterval)); err != nil {
 			log.Warnf(ctx, "Failed to start Go runtime instrumentation: %v", err)
 		}
-
-	// Create metrics handler
-	metricsHandler := clientpromhttp.HandlerFor(registry, clientpromhttp.HandlerOpts{})
-
-	// Create and start metrics HTTP server
-	metricsMux := http.NewServeMux()
-	metricsMux.Handle("/metrics", metricsHandler)
-
-	metricsServer := &http.Server{
-		Addr:         net.JoinHostPort("", cfg.MetricsPort),
-		Handler:      metricsMux,
-		ReadTimeout:  10 * time.Second,
-		WriteTimeout: 10 * time.Second,
-		IdleTimeout:  30 * time.Second,
 	}
 
-	var serverWg sync.WaitGroup
+	//OTLP traces
-	serverWg.Add(1)
+	restrace, err := resource.New(ctx, resource.WithAttributes(buildAtts(baseAttrs, "API")...))
-	go func() {
+	if err != nil {
-		defer serverWg.Done()
+		return nil, fmt.Errorf("failed to create trace resource: %w", err)
-		log.Infof(ctx, "Metrics server listening on %s", metricsServer.Addr)
+	}
-		if err := metricsServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+	var traceProvider *trace.TracerProvider
-			log.Errorf(ctx, fmt.Errorf("metrics server ListenAndServe: %w", err), "error listening and serving metrics")
+	if cfg.EnableTracing {
+		traceExpoter, err := otlptracegrpc.New(ctx, otlptracegrpc.WithEndpoint(cfg.OtlpEndpoint), otlptracegrpc.WithDialOption(grpc.WithTransportCredentials(insecure.NewCredentials())))
+		if err != nil {
+			return nil, fmt.Errorf("failed to create OTLP trace exporter: %w", err)
+		}
+		traceProvider = trace.NewTracerProvider(trace.WithBatcher(traceExpoter), trace.WithResource(restrace)) //TODO: need to add the trace sampleing rate
+		otel.SetTracerProvider(traceProvider)
+		log.Infof(ctx, "OpenTelemetry tracing initialized for service=%s (OTLP endpoint=%s)",
+			cfg.ServiceName, cfg.OtlpEndpoint)
+	}
+
+	resAudit, err := resource.New(ctx, resource.WithAttributes(buildAtts(baseAttrs, "AUDIT")...))
+	if err != nil {
+		return nil, fmt.Errorf("failed to create audit resource: %w", err)
+	}
+	var logProvider *logsdk.LoggerProvider
+	if cfg.EnableLogs {
+		logExporter, err := otlploggrpc.New(ctx, otlploggrpc.WithEndpoint(cfg.OtlpEndpoint), otlploggrpc.WithDialOption(grpc.WithTransportCredentials(insecure.NewCredentials())))
+		if err != nil {
+			return nil, fmt.Errorf("failed to create OTLP logs exporter: %w", err)
+		}
+		processor := logsdk.NewBatchProcessor(logExporter)
+		logProvider = logsdk.NewLoggerProvider(logsdk.WithProcessor(processor), logsdk.WithResource(resAudit))
+		global.SetLoggerProvider(logProvider)
 	}
-	}()
 
 	return &telemetry.Provider{
 		MeterProvider: meterProvider,
-		MetricsHandler: metricsHandler,
+		TraceProvider: traceProvider,
+		LogProvider:   logProvider,
 		Shutdown: func(shutdownCtx context.Context) error {
-			log.Infof(ctx, "Shutting down metrics server...")
+
-			// Shutdown the metrics server
+			var errs []error
-			serverShutdownCtx, cancel := context.WithTimeout(shutdownCtx, 10*time.Second)
+			if traceProvider != nil {
-			defer cancel()
+				if err := traceProvider.Shutdown(shutdownCtx); err != nil {
-			if err := metricsServer.Shutdown(serverShutdownCtx); err != nil {
+					errs = append(errs, fmt.Errorf("tracer shutdown: %w", err))
-				log.Errorf(ctx, fmt.Errorf("metrics server shutdown: %w", err), "error shutting down metrics server")
 				}
-			serverWg.Wait()
+			}
-			// Shutdown the meter provider
+			if meterProvider != nil {
-			return meterProvider.Shutdown(shutdownCtx)
+				if err := meterProvider.Shutdown(shutdownCtx); err != nil {
+					errs = append(errs, fmt.Errorf("meter shutdown: %w", err))
+				}
+			}
+
+			if logProvider != nil {
+				if err := logProvider.Shutdown(shutdownCtx); err != nil {
+					errs = append(errs, fmt.Errorf("logs shutdown: %w", err))
+				}
+			}
+			if len(errs) > 0 {
+				return fmt.Errorf("shutdown errors: %v", errs)
+			}
+			return nil
 		},
 	}, nil
 }
+
+func buildAtts(base []attribute.KeyValue, eid string) []attribute.KeyValue {
+	atts := make([]attribute.KeyValue, 0, len(base)+1)
+	atts = append(atts, base...)
+	atts = append(atts, attribute.String("eid", eid))
+	return atts
+}

pkg/plugin/implementation/otelsetup/otelsetup_test.go

@@ -22,15 +22,21 @@ func TestSetup_New_Success(t *testing.T) {
 				ServiceName:    "test-service",
 				ServiceVersion: "1.0.0",
 				EnableMetrics:  true,
+				EnableTracing:  false,
 				Environment:    "test",
+				Domain:         "test-domain",
+				DeviceID:       "test-device",
+				OtlpEndpoint:   "localhost:4317",
+				TimeInterval:   5,
 			},
 		},
 		{
-			name: "Valid config with metrics disabled",
+			name: "Valid config with metrics and tracing disabled",
 			cfg: &Config{
 				ServiceName:    "test-service",
 				ServiceVersion: "1.0.0",
 				EnableMetrics:  false,
+				EnableTracing:  false,
 				Environment:    "test",
 			},
 		},
@@ -40,6 +46,7 @@ func TestSetup_New_Success(t *testing.T) {
 				ServiceName:    "",
 				ServiceVersion: "",
 				EnableMetrics:  true,
+				EnableTracing:  false,
 				Environment:    "",
 			},
 		},
@@ -56,10 +63,12 @@ func TestSetup_New_Success(t *testing.T) {
 			if tt.cfg.EnableMetrics {
 				assert.NotNil(t, provider.MeterProvider, "MeterProvider should be set when metrics enabled")
 			}
+			if tt.cfg.EnableTracing {
+				assert.NotNil(t, provider.TraceProvider, "TraceProvider should be set when tracing enabled")
+			}
 
-			// Test shutdown
+			// Shutdown for cleanup. When metrics/tracing are enabled, shutdown may fail without a real OTLP backend.
-			err = provider.Shutdown(ctx)
+			_ = provider.Shutdown(ctx)
-			assert.NoError(t, err, "Shutdown should not return error")
 		})
 	}
 }
@@ -104,7 +113,10 @@ func TestSetup_New_DefaultValues(t *testing.T) {
 		ServiceName:    "",
 		ServiceVersion: "",
 		EnableMetrics:  true,
+		EnableTracing:  false,
 		Environment:    "",
+		OtlpEndpoint:   "localhost:4317",
+		TimeInterval:   5,
 	}
 
 	provider, err := setup.New(ctx, cfg)
@@ -114,9 +126,8 @@ func TestSetup_New_DefaultValues(t *testing.T) {
 	// Verify defaults are applied by checking that provider is functional
 	assert.NotNil(t, provider.MeterProvider, "MeterProvider should be set with defaults")
 
-	// Cleanup
+	// Cleanup (shutdown may fail without a real OTLP backend)
-	err = provider.Shutdown(ctx)
+	_ = provider.Shutdown(ctx)
-	assert.NoError(t, err)
 }
 
 func TestSetup_New_MetricsDisabled(t *testing.T) {
@@ -127,6 +138,7 @@ func TestSetup_New_MetricsDisabled(t *testing.T) {
 		ServiceName:    "test-service",
 		ServiceVersion: "1.0.0",
 		EnableMetrics:  false,
+		EnableTracing:  false,
 		Environment:    "test",
 	}
 
@@ -134,8 +146,9 @@ func TestSetup_New_MetricsDisabled(t *testing.T) {
 	require.NoError(t, err)
 	require.NotNil(t, provider)
 
-	// When metrics are disabled, MetricsHandler should be nil and MeterProvider should be nil
+	// When metrics and tracing are disabled, MeterProvider and TraceProvider should be nil
 	assert.Nil(t, provider.MeterProvider, "MeterProvider should be nil when metrics disabled")
+	assert.Nil(t, provider.TraceProvider, "TraceProvider should be nil when tracing disabled")
 
 	// Shutdown should still work
 	err = provider.Shutdown(ctx)
@@ -155,32 +168,42 @@ func TestToPluginConfig_Success(t *testing.T) {
 				ServiceName:    "test-service",
 				ServiceVersion: "1.0.0",
 				EnableMetrics:  true,
+				EnableTracing:  true,
 				Environment:    "test",
+				Domain:         "test-domain",
+				DeviceID:       "test-device",
+				OtlpEndpoint:   "localhost:4317",
+				TimeInterval:   5,
 			},
 			expectedID: "otelsetup",
 			expectedConfig: map[string]string{
 				"serviceName":    "test-service",
 				"serviceVersion": "1.0.0",
-				"enableMetrics":  "true",
 				"environment":    "test",
-				"metricsPort":    "",
+				"enableMetrics":  "true",
+				"enableTracing":  "true",
+				"otelEndpoint":   "localhost:4317",
+				"deviceID":       "test-device",
 			},
 		},
 		{
-			name: "Config with enableMetrics false",
+			name: "Config with enableMetrics and enableTracing false",
 			cfg: &Config{
 				ServiceName:    "my-service",
 				ServiceVersion: "2.0.0",
 				EnableMetrics:  false,
+				EnableTracing:  false,
 				Environment:    "production",
 			},
 			expectedID: "otelsetup",
 			expectedConfig: map[string]string{
 				"serviceName":    "my-service",
 				"serviceVersion": "2.0.0",
-				"enableMetrics":  "false",
 				"environment":    "production",
-				"metricsPort":    "",
+				"enableMetrics":  "false",
+				"enableTracing":  "false",
+				"otelEndpoint":   "",
+				"deviceID":       "",
 			},
 		},
 		{
@@ -189,15 +212,21 @@ func TestToPluginConfig_Success(t *testing.T) {
 				ServiceName:    "",
 				ServiceVersion: "",
 				EnableMetrics:  true,
+				EnableTracing:  false,
 				Environment:    "",
+				Domain:         "",
+				DeviceID:       "",
+				OtlpEndpoint:   "",
 			},
 			expectedID: "otelsetup",
 			expectedConfig: map[string]string{
 				"serviceName":    "",
 				"serviceVersion": "",
-				"enableMetrics":  "true",
 				"environment":    "",
-				"metricsPort":    "",
+				"enableMetrics":  "true",
+				"enableTracing":  "false",
+				"otelEndpoint":   "",
+				"deviceID":       "",
 			},
 		},
 	}
@@ -226,17 +255,30 @@ func TestToPluginConfig_BooleanConversion(t *testing.T) {
 	tests := []struct {
 		name           string
 		enableMetrics  bool
-		expected      string
+		enableTracing  bool
+		expectedMetric string
+		expectedTrace  string
 	}{
 		{
-			name:          "EnableMetrics true",
+			name:           "EnableMetrics and EnableTracing true",
 			enableMetrics:  true,
-			expected:      "true",
+			enableTracing:  true,
+			expectedMetric: "true",
+			expectedTrace:  "true",
 		},
 		{
-			name:          "EnableMetrics false",
+			name:           "EnableMetrics and EnableTracing false",
 			enableMetrics:  false,
-			expected:      "false",
+			enableTracing:  false,
+			expectedMetric: "false",
+			expectedTrace:  "false",
+		},
+		{
+			name:           "EnableMetrics true, EnableTracing false",
+			enableMetrics:  true,
+			enableTracing:  false,
+			expectedMetric: "true",
+			expectedTrace:  "false",
 		},
 	}
 
@@ -246,14 +288,18 @@ func TestToPluginConfig_BooleanConversion(t *testing.T) {
 				ServiceName:    "test",
 				ServiceVersion: "1.0.0",
 				EnableMetrics:  tt.enableMetrics,
+				EnableTracing:  tt.enableTracing,
 				Environment:    "test",
-				MetricsPort:    "",
+				OtlpEndpoint:   "localhost:4317",
+				DeviceID:       "test-device",
 			}
 
 			result := ToPluginConfig(cfg)
 			require.NotNil(t, result)
-			assert.Equal(t, tt.expected, result.Config["enableMetrics"], "enableMetrics should be converted to string correctly")
+			assert.Equal(t, tt.expectedMetric, result.Config["enableMetrics"], "enableMetrics should be converted to string correctly")
-			assert.Equal(t, "", result.Config["metricsPort"], "metricsPort should be included even when empty")
+			assert.Equal(t, tt.expectedTrace, result.Config["enableTracing"], "enableTracing should be converted to string correctly")
+			assert.Equal(t, "localhost:4317", result.Config["otelEndpoint"], "otelEndpoint should be included")
+			assert.Equal(t, "test-device", result.Config["deviceID"], "deviceID should be included")
 		})
 	}
 }

pkg/plugin/implementation/reqpreprocessor/reqpreprocessor.go

@@ -48,6 +48,7 @@ func NewPreProcessor(cfg *Config) (func(http.Handler) http.Handler, error) {
 				http.Error(w, fmt.Sprintf("%s field not found or invalid.", contextKey), http.StatusBadRequest)
 				return
 			}
+
 			var subID any
 			switch cfg.Role {
 			case "bap":
@@ -55,6 +56,14 @@ func NewPreProcessor(cfg *Config) (func(http.Handler) http.Handler, error) {
 			case "bpp":
 				subID = reqContext["bpp_id"]
 			}
+
+			var callerID any
+			switch cfg.Role {
+			case "bap":
+				callerID = reqContext["bpp_id"]
+			case "bpp":
+				callerID = reqContext["bap_id"]
+			}
 			if subID != nil {
 				log.Debugf(ctx, "adding subscriberId to request:%s, %v", model.ContextKeySubscriberID, subID)
 				ctx = context.WithValue(ctx, model.ContextKeySubscriberID, subID)
@@ -64,6 +73,11 @@ func NewPreProcessor(cfg *Config) (func(http.Handler) http.Handler, error) {
 				log.Debugf(ctx, "adding parentID to request:%s, %v", model.ContextKeyParentID, cfg.ParentID)
 				ctx = context.WithValue(ctx, model.ContextKeyParentID, cfg.ParentID)
 			}
+
+			if callerID != nil {
+				log.Debugf(ctx, "adding callerID to request:%s, %v", model.ContextKeyCallerID, callerID)
+				ctx = context.WithValue(ctx, model.ContextKeyCallerID, callerID)
+			}
 			for _, key := range cfg.ContextKeys {
 				ctxKey, _ := model.ParseContextKey(key)
 				if v, ok := reqContext[key]; ok {

pkg/plugin/implementation/simplekeymanager/simplekeymanager.go

@@ -15,7 +15,10 @@ import (
 	"github.com/beckn-one/beckn-onix/pkg/log"
 	"github.com/beckn-one/beckn-onix/pkg/model"
 	"github.com/beckn-one/beckn-onix/pkg/plugin/definition"
+	"github.com/beckn-one/beckn-onix/pkg/telemetry"
 	"github.com/google/uuid"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/trace"
 )
 
 // Config holds configuration parameters for SimpleKeyManager.
@@ -245,8 +248,15 @@ func (skm *SimpleKeyMgr) LookupNPKeys(ctx context.Context, subscriberID, uniqueK
 		return "", "", err
 	}
 
+	tracer := otel.Tracer(telemetry.ScopeName, trace.WithInstrumentationVersion(telemetry.ScopeVersion))
 	cacheKey := fmt.Sprintf("%s_%s", subscriberID, uniqueKeyID)
-	cachedData, err := skm.Cache.Get(ctx, cacheKey)
+	var cachedData string
+
+	{
+		spanCtx, span := tracer.Start(ctx, "redis lookup")
+		defer span.End()
+		var err error
+		cachedData, err = skm.Cache.Get(spanCtx, cacheKey)
 		if err == nil {
 			var keys model.Keyset
 			if err := json.Unmarshal([]byte(cachedData), &keys); err == nil {
@@ -254,9 +264,16 @@ func (skm *SimpleKeyMgr) LookupNPKeys(ctx context.Context, subscriberID, uniqueK
 				return keys.SigningPublic, keys.EncrPublic, nil
 			}
 		}
+	}
 
 	log.Debugf(ctx, "Cache miss, looking up registry for subscriber: %s, uniqueKeyID: %s", subscriberID, uniqueKeyID)
-	subscribers, err := skm.Registry.Lookup(ctx, &model.Subscription{
+	var subscribers []model.Subscription
+	{
+		spanCtx, span := tracer.Start(ctx, "registry lookup")
+		defer span.End()
+		var err error
+
+		subscribers, err = skm.Registry.Lookup(spanCtx, &model.Subscription{
 			Subscriber: model.Subscriber{
 				SubscriberID: subscriberID,
 			},
@@ -268,6 +285,7 @@ func (skm *SimpleKeyMgr) LookupNPKeys(ctx context.Context, subscriberID, uniqueK
 		if len(subscribers) == 0 {
 			return "", "", ErrSubscriberNotFound
 		}
+	}
 
 	log.Debugf(ctx, "Successfully looked up keys for subscriber: %s, uniqueKeyID: %s", subscriberID, uniqueKeyID)
 	return subscribers[0].SigningPublicKey, subscribers[0].EncrPublicKey, nil

pkg/plugin/manager.go

@@ -197,9 +197,7 @@ func (m *Manager) Middleware(ctx context.Context, cfg *Config) (func(http.Handle
 	return mwp.New(ctx, cfg.Config)
 }
 
-// OtelSetup initializes OpenTelemetry via a dedicated plugin. The plugin is
+// OtelSetup initializes OpenTelemetry via a dedicated plugin. The plugin is expected to return a telemetry Provider that the core application can use for instrumentation.
-// expected to return a telemetry Provider that the core application can use for
-// instrumentation.
 func (m *Manager) OtelSetup(ctx context.Context, cfg *Config) (*telemetry.Provider, error) {
 	if cfg == nil {
 		log.Info(ctx, "Telemetry config not provided; skipping OpenTelemetry setup")

pkg/telemetry/audit.go

@@ -0,0 +1,56 @@
+package telemetry
+
+import (
+	"context"
+	"crypto/sha256"
+	"encoding/hex"
+	"time"
+
+	logger "github.com/beckn-one/beckn-onix/pkg/log"
+	"github.com/beckn-one/beckn-onix/pkg/model"
+	"github.com/google/uuid"
+	"go.opentelemetry.io/otel/log"
+	"go.opentelemetry.io/otel/log/global"
+)
+
+const auditLoggerName = "Beckn_ONIX"
+
+func EmitAuditLogs(ctx context.Context, body []byte, attrs ...log.KeyValue) {
+
+	provider := global.GetLoggerProvider()
+	if provider == nil {
+		logger.Warnf(ctx, "failed to emit audit logs, logs disabled")
+		return
+	}
+
+	//maskedBody := MaskPIIInAuditBody(body)
+
+	sum := sha256.Sum256(body)
+	auditBody := selectAuditPayload(ctx, body)
+	auditlog := provider.Logger(auditLoggerName)
+	record := log.Record{}
+	record.SetBody(log.StringValue(string(auditBody)))
+	record.SetTimestamp(time.Now())
+	record.SetObservedTimestamp(time.Now())
+	record.SetSeverity(log.SeverityInfo)
+
+	checkSum := hex.EncodeToString(sum[:])
+
+	txnID, _ := ctx.Value(model.ContextKeyTxnID).(string)
+	msgID, _ := ctx.Value(model.ContextKeyMsgID).(string)
+	parentID, _ := ctx.Value(model.ContextKeyParentID).(string)
+
+	record.AddAttributes(
+		log.String("checkSum", checkSum),
+		log.String("log_uuid", uuid.New().String()),
+		log.String("transaction_id", txnID),
+		log.String("message_id", msgID),
+		log.String("parent_id", parentID),
+	)
+
+	if len(attrs) > 0 {
+		record.AddAttributes(attrs...)
+	}
+
+	auditlog.Emit(ctx, record)
+}

pkg/telemetry/audit_fields.go

@@ -0,0 +1,216 @@
+package telemetry
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+	"sync"
+
+	"github.com/beckn-one/beckn-onix/pkg/log"
+	"gopkg.in/yaml.v3"
+)
+
+type auditFieldsRules struct {
+	AuditRules map[string][]string `yaml:"auditRules"`
+}
+
+var (
+	auditRules      = map[string][]string{}
+	auditRulesMutex sync.RWMutex
+)
+
+func LoadAuditFieldRules(ctx context.Context, configPath string) error {
+
+	if strings.TrimSpace(configPath) == "" {
+		err := fmt.Errorf("config file path is empty")
+		log.Error(ctx, err, "there are no audit rules defined")
+		return err
+	}
+
+	data, err := os.ReadFile(configPath)
+	if err != nil {
+		log.Error(ctx, err, "failed to read audit rules file")
+		return err
+	}
+
+	var config auditFieldsRules
+	if err := yaml.Unmarshal(data, &config); err != nil {
+		log.Error(ctx, err, "failed to parse audit rules file")
+		return err
+	}
+
+	if config.AuditRules == nil {
+		log.Warn(ctx, "audit rules are not defined")
+		config.AuditRules = map[string][]string{}
+	}
+
+	auditRulesMutex.Lock()
+	auditRules = config.AuditRules
+	auditRulesMutex.Unlock()
+	log.Info(ctx, "audit rules loaded")
+	return nil
+}
+
+func selectAuditPayload(ctx context.Context, body []byte) []byte {
+
+	var root map[string]interface{}
+	if err := json.Unmarshal(body, &root); err != nil {
+		log.Warn(ctx, "failed to unmarshal audit payload ")
+		return nil
+	}
+
+	action := ""
+	if c, ok := root["context"].(map[string]interface{}); ok {
+		if v, ok := c["action"].(string); ok {
+			action = strings.TrimSpace(v)
+		}
+	}
+
+	fields := getFieldForAction(ctx, action)
+	if len(fields) == 0 {
+		return nil
+	}
+
+	out := map[string]interface{}{}
+	for _, field := range fields {
+		parts := strings.Split(field, ".")
+		partial, ok := projectPath(root, parts)
+		if !ok {
+			continue
+		}
+		merged := deepMerge(out, partial)
+		if m, ok := merged.(map[string]interface{}); ok {
+			out = m
+		}
+	}
+
+	body, err := json.Marshal(out)
+	if err != nil {
+		log.Warn(ctx, "failed to marshal audit payload")
+		return nil
+	}
+	return body
+}
+
+func getFieldForAction(ctx context.Context, action string) []string {
+	auditRulesMutex.RLock()
+	defer auditRulesMutex.RUnlock()
+
+	if action != "" {
+		if fields, ok := auditRules[action]; ok && len(fields) > 0 {
+			return fields
+		}
+	}
+
+	log.Warn(ctx, "audit rules are not defined for this action send default")
+	return auditRules["default"]
+}
+
+//func getByPath(root map[string]interface{}, path string) (interface{}, bool) {
+//
+//	parts := strings.Split(path, ".")
+//	var cur interface{} = root
+//
+//	for _, part := range parts {
+//		m, ok := cur.(map[string]interface{})
+//		if !ok {
+//			return nil, false
+//		}
+//		v, ok := m[part]
+//		if !ok {
+//			return nil, false
+//		}
+//		cur = v
+//	}
+//	return cur, true
+//}
+//
+//func setByPath(root map[string]interface{}, path string, value interface{}) {
+//	parts := strings.Split(path, ".")
+//	cur := root
+//
+//	for i := 0; i < len(parts)-1; i++ {
+//		k := parts[i]
+//		next, ok := cur[k].(map[string]interface{})
+//		if !ok {
+//			next = map[string]interface{}{}
+//			cur[k] = next
+//		}
+//		cur = next
+//	}
+//	cur[parts[len(parts)-1]] = value
+//}
+
+func projectPath(cur interface{}, parts []string) (interface{}, bool) {
+	if len(parts) == 0 {
+		return cur, true
+	}
+
+	switch node := cur.(type) {
+	case map[string]interface{}:
+		next, ok := node[parts[0]]
+		if !ok {
+			return nil, false
+		}
+		child, ok := projectPath(next, parts[1:])
+		if !ok {
+			return nil, false
+		}
+		return map[string]interface{}{parts[0]: child}, true
+
+	case []interface{}:
+		out := make([]interface{}, 0, len(node))
+		found := false
+
+		for _, n := range node {
+			child, ok := projectPath(n, parts)
+			if ok {
+				out = append(out, child)
+				found = true
+			}
+		}
+		if !found {
+			return nil, false
+		}
+		return out, true
+
+	default:
+		return nil, false
+	}
+}
+func deepMerge(dst, src interface{}) interface{} {
+	if dst == nil {
+		return src
+	}
+
+	dm, dok := dst.(map[string]interface{})
+	sm, sok := src.(map[string]interface{})
+	if dok && sok {
+		for k, sv := range sm {
+			if dv, ok := dm[k]; ok {
+				dm[k] = deepMerge(dv, sv)
+			} else {
+				dm[k] = sv
+			}
+		}
+		return dm
+	}
+
+	da, dok := dst.([]interface{})
+	sa, sok := src.([]interface{})
+	if dok && sok {
+		if len(da) < len(sa) {
+			ext := make([]interface{}, len(sa)-len(da))
+			da = append(da, ext...)
+		}
+
+		for i := range sa {
+			da[i] = deepMerge(da[i], sa[i])
+		}
+		return da
+	}
+
+	return src
+}

pkg/telemetry/audit_fields_test.go

@@ -0,0 +1,518 @@
+package telemetry
+
+import (
+	"context"
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+// Test projectPath
+
+func TestProjectPath_EmptyParts(t *testing.T) {
+	root := map[string]interface{}{"a": "v"}
+	got, ok := projectPath(root, nil)
+	require.True(t, ok)
+	assert.Equal(t, root, got)
+
+	got, ok = projectPath(root, []string{})
+	require.True(t, ok)
+	assert.Equal(t, root, got)
+}
+
+func TestProjectPath_MapSingleLevel(t *testing.T) {
+	root := map[string]interface{}{"context": map[string]interface{}{"action": "search"}}
+	got, ok := projectPath(root, []string{"context"})
+	require.True(t, ok)
+	assert.Equal(t, map[string]interface{}{"context": map[string]interface{}{"action": "search"}}, got)
+}
+
+func TestProjectPath_MapNested(t *testing.T) {
+	root := map[string]interface{}{
+		"context": map[string]interface{}{
+			"action": "select",
+			"transaction_id": "tx-1",
+		},
+	}
+	got, ok := projectPath(root, []string{"context", "action"})
+	require.True(t, ok)
+	assert.Equal(t, map[string]interface{}{"context": map[string]interface{}{"action": "select"}}, got)
+}
+
+func TestProjectPath_MissingKey(t *testing.T) {
+	root := map[string]interface{}{"context": map[string]interface{}{"action": "search"}}
+	got, ok := projectPath(root, []string{"context", "missing"})
+	require.False(t, ok)
+	assert.Nil(t, got)
+}
+
+func TestProjectPath_ArrayTraverseAndProject(t *testing.T) {
+	root := map[string]interface{}{
+		"message": map[string]interface{}{
+			"order": map[string]interface{}{
+				"beckn:orderItems": []interface{}{
+					map[string]interface{}{"beckn:orderedItem": "item-1"},
+					map[string]interface{}{"beckn:orderedItem": "item-2"},
+				},
+			},
+		},
+	}
+	parts := []string{"message", "order", "beckn:orderItems", "beckn:orderedItem"}
+	got, ok := projectPath(root, parts)
+	require.True(t, ok)
+
+	expected := map[string]interface{}{
+		"message": map[string]interface{}{
+			"order": map[string]interface{}{
+				"beckn:orderItems": []interface{}{
+					map[string]interface{}{"beckn:orderedItem": "item-1"},
+					map[string]interface{}{"beckn:orderedItem": "item-2"},
+				},
+			},
+		},
+	}
+	assert.Equal(t, expected, got)
+}
+
+func TestProjectPath_NonMapOrSlice(t *testing.T) {
+	_, ok := projectPath("string", []string{"a"})
+	require.False(t, ok)
+
+	_, ok = projectPath(42, []string{"a"})
+	require.False(t, ok)
+}
+
+func TestProjectPath_EmptyArray(t *testing.T) {
+	root := map[string]interface{}{"items": []interface{}{}}
+	got, ok := projectPath(root, []string{"items", "id"})
+	require.False(t, ok)
+	assert.Nil(t, got)
+}
+
+// Test deepMerge
+
+func TestDeepMerge_NilDst(t *testing.T) {
+	src := map[string]interface{}{"a": 1}
+	got := deepMerge(nil, src)
+	assert.Equal(t, src, got)
+}
+
+func TestDeepMerge_MapIntoMap(t *testing.T) {
+	dst := map[string]interface{}{"a": 1, "b": 2}
+	src := map[string]interface{}{"b": 20, "c": 3}
+	got := deepMerge(dst, src)
+	assert.Equal(t, map[string]interface{}{"a": 1, "b": 20, "c": 3}, got)
+}
+
+func TestDeepMerge_MapNested(t *testing.T) {
+	dst := map[string]interface{}{
+		"context": map[string]interface{}{"action": "search", "domain": "retail"},
+	}
+	src := map[string]interface{}{
+		"context": map[string]interface{}{"action": "search", "transaction_id": "tx-1"},
+	}
+	got := deepMerge(dst, src)
+	ctx, ok := got.(map[string]interface{})["context"].(map[string]interface{})
+	require.True(t, ok)
+	assert.Equal(t, "search", ctx["action"])
+	assert.Equal(t, "retail", ctx["domain"])
+	assert.Equal(t, "tx-1", ctx["transaction_id"])
+}
+
+func TestDeepMerge_ArrayIntoArray(t *testing.T) {
+	dst := []interface{}{
+		map[string]interface{}{"id": "a"},
+		map[string]interface{}{"id": "b"},
+	}
+	src := []interface{}{
+		map[string]interface{}{"id": "a", "name": "A"},
+		map[string]interface{}{"id": "b", "name": "B"},
+	}
+	got := deepMerge(dst, src)
+	sl, ok := got.([]interface{})
+	require.True(t, ok)
+	require.Len(t, sl, 2)
+	assert.Equal(t, map[string]interface{}{"id": "a", "name": "A"}, sl[0])
+	assert.Equal(t, map[string]interface{}{"id": "b", "name": "B"}, sl[1])
+}
+
+func TestDeepMerge_ArraySrcLonger(t *testing.T) {
+	dst := []interface{}{map[string]interface{}{"a": 1}}
+	src := []interface{}{
+		map[string]interface{}{"a": 1},
+		map[string]interface{}{"a": 2},
+	}
+	got := deepMerge(dst, src)
+	sl, ok := got.([]interface{})
+	require.True(t, ok)
+	require.Len(t, sl, 2)
+}
+
+func TestDeepMerge_ScalarSrc(t *testing.T) {
+	dst := map[string]interface{}{"a": 1}
+	src := "overwrite"
+	got := deepMerge(dst, src)
+	assert.Equal(t, "overwrite", got)
+}
+
+// Test getFieldForAction and selectAuditPayload (require loaded rules via temp file)
+
+func writeAuditRulesFile(t *testing.T, content string) string {
+	t.Helper()
+	dir := t.TempDir()
+	path := filepath.Join(dir, "audit-fields.yaml")
+	err := os.WriteFile(path, []byte(content), 0600)
+	require.NoError(t, err)
+	return path
+}
+
+func TestGetFieldForAction_ActionMatch(t *testing.T) {
+	ctx := context.Background()
+	path := writeAuditRulesFile(t, `
+auditRules:
+  default:
+    - context.transaction_id
+    - context.action
+  search:
+    - context.action
+    - context.timestamp
+  select:
+    - context.action
+    - message.order
+`)
+	require.NoError(t, LoadAuditFieldRules(ctx, path))
+
+	fields := getFieldForAction(ctx, "search")
+	assert.Equal(t, []string{"context.action", "context.timestamp"}, fields)
+
+	fields = getFieldForAction(ctx, "select")
+	assert.Equal(t, []string{"context.action", "message.order"}, fields)
+}
+
+func TestGetFieldForAction_FallbackToDefault(t *testing.T) {
+	ctx := context.Background()
+	path := writeAuditRulesFile(t, `
+auditRules:
+  default:
+    - context.transaction_id
+    - context.message_id
+  search:
+    - context.action
+`)
+	require.NoError(t, LoadAuditFieldRules(ctx, path))
+
+	fields := getFieldForAction(ctx, "unknown_action")
+	assert.Equal(t, []string{"context.transaction_id", "context.message_id"}, fields)
+
+	fields = getFieldForAction(ctx, "")
+	assert.Equal(t, []string{"context.transaction_id", "context.message_id"}, fields)
+}
+
+func TestGetFieldForAction_EmptyDefault(t *testing.T) {
+	ctx := context.Background()
+	path := writeAuditRulesFile(t, `
+auditRules:
+  default: []
+  search:
+    - context.action
+`)
+	require.NoError(t, LoadAuditFieldRules(ctx, path))
+
+	fields := getFieldForAction(ctx, "other")
+	assert.Empty(t, fields)
+}
+
+func TestSelectAuditPayload_InvalidJSON(t *testing.T) {
+	ctx := context.Background()
+	path := writeAuditRulesFile(t, `
+auditRules:
+  default:
+    - context.action
+`)
+	require.NoError(t, LoadAuditFieldRules(ctx, path))
+
+	got := selectAuditPayload(ctx, []byte("not json"))
+	assert.Nil(t, got)
+}
+
+func TestSelectAuditPayload_NoRulesLoaded(t *testing.T) {
+	ctx := context.Background()
+	// use a fresh context without loading any rules; auditRules may be from previous test
+	path := writeAuditRulesFile(t, `
+auditRules:
+  default: []
+`)
+	require.NoError(t, LoadAuditFieldRules(ctx, path))
+
+	body := []byte(`{"context":{"action":"search"}}`)
+	got := selectAuditPayload(ctx, body)
+	assert.Nil(t, got)
+}
+
+func TestSelectAuditPayload_ContextAndActionOnly(t *testing.T) {
+	ctx := context.Background()
+	path := writeAuditRulesFile(t, `
+auditRules:
+  default:
+    - context.transaction_id
+    - context.message_id
+    - context.action
+`)
+	require.NoError(t, LoadAuditFieldRules(ctx, path))
+
+	body := []byte(`{
+		"context": {
+			"action": "search",
+			"transaction_id": "tx-1",
+			"message_id": "msg-1",
+			"domain": "retail"
+		},
+		"message": {"intent": "buy"}
+	}`)
+	got := selectAuditPayload(ctx, body)
+	require.NotNil(t, got)
+
+	var out map[string]interface{}
+	require.NoError(t, json.Unmarshal(got, &out))
+	ctxMap, ok := out["context"].(map[string]interface{})
+	require.True(t, ok)
+	assert.Equal(t, "search", ctxMap["action"])
+	assert.Equal(t, "tx-1", ctxMap["transaction_id"])
+	assert.Equal(t, "msg-1", ctxMap["message_id"])
+	_, hasMessage := out["message"]
+	assert.False(t, hasMessage)
+}
+
+func TestSelectAuditPayload_ActionSpecificRules(t *testing.T) {
+	ctx := context.Background()
+	path := writeAuditRulesFile(t, `
+auditRules:
+  default:
+    - context.action
+  search:
+    - context.action
+    - context.timestamp
+    - message.intent
+`)
+	require.NoError(t, LoadAuditFieldRules(ctx, path))
+
+	body := []byte(`{
+		"context": {"action": "search", "timestamp": "2024-01-15T10:30:00Z", "domain": "retail"},
+		"message": {"intent": {"item": {"id": "x"}}}
+	}`)
+	got := selectAuditPayload(ctx, body)
+	require.NotNil(t, got)
+
+	var out map[string]interface{}
+	require.NoError(t, json.Unmarshal(got, &out))
+	ctxMap := out["context"].(map[string]interface{})
+	assert.Equal(t, "search", ctxMap["action"])
+	assert.Equal(t, "2024-01-15T10:30:00Z", ctxMap["timestamp"])
+	msg := out["message"].(map[string]interface{})
+	assert.NotNil(t, msg["intent"])
+}
+
+func TestSelectAuditPayload_ArrayFieldProjection(t *testing.T) {
+	ctx := context.Background()
+	path := writeAuditRulesFile(t, `
+auditRules:
+  default:
+    - context.action
+  select:
+    - context.transaction_id
+    - context.action
+    - message.order.beckn:orderItems.beckn:orderedItem
+`)
+	require.NoError(t, LoadAuditFieldRules(ctx, path))
+
+	body := []byte(`{
+		"context": {"action": "select", "transaction_id": "tx-2"},
+		"message": {
+			"order": {
+				"beckn:orderItems": [
+					{"beckn:orderedItem": "item-A", "other": "x"},
+					{"beckn:orderedItem": "item-B", "other": "y"}
+				]
+			}
+		}
+	}`)
+	got := selectAuditPayload(ctx, body)
+	require.NotNil(t, got)
+
+	var out map[string]interface{}
+	require.NoError(t, json.Unmarshal(got, &out))
+	ctxMap := out["context"].(map[string]interface{})
+	assert.Equal(t, "select", ctxMap["action"])
+	assert.Equal(t, "tx-2", ctxMap["transaction_id"])
+
+	order := out["message"].(map[string]interface{})["order"].(map[string]interface{})
+	items := order["beckn:orderItems"].([]interface{})
+	require.Len(t, items, 2)
+	assert.Equal(t, map[string]interface{}{"beckn:orderedItem": "item-A"}, items[0])
+	assert.Equal(t, map[string]interface{}{"beckn:orderedItem": "item-B"}, items[1])
+}
+
+// TestSelectAuditPayload_SelectOrderExample uses a full select request payload and
+// select audit rules to verify that only configured fields are projected into the
+// audit log body. The request mirrors a real select with context, message.order,
+// beckn:orderItems (array), beckn:acceptedOffer, and beckn:orderAttributes.
+// Rules include array traversal (e.g. message.order.beckn:orderItems.beckn:orderedItem
+// projects that field from each array element) and nested paths like
+// message.order.beckn:orderItems.beckn:acceptedOffer.beckn:price.value.
+func TestSelectAuditPayload_SelectOrderExample(t *testing.T) {
+	ctx := context.Background()
+	path := writeAuditRulesFile(t, `
+auditRules:
+  default: []
+  select:
+    - context.transaction_id
+    - context.message_id
+    - context.action
+    - context.timestamp
+    - message.order
+    - message.order.beckn:seller
+    - message.order.beckn:buyer
+    - message.order.beckn:buyer.beckn:id
+    - message.order.beckn:orderItems
+    - message.order.beckn:orderItems.beckn:orderedItem
+    - message.order.beckn:orderItems.beckn:acceptedOffer
+    - message.order.beckn:orderItems.beckn:acceptedOffer.beckn:id
+    - message.order.beckn:orderItems.beckn:acceptedOffer.beckn:price
+    - message.order.beckn:orderItems.beckn:acceptedOffer.beckn:price.value
+    - message.order.beckn:orderAttributes
+    - message.order.beckn:orderAttributes.preferences
+    - message.order.beckn:orderAttributes.preferences.startTime
+`)
+	require.NoError(t, LoadAuditFieldRules(ctx, path))
+
+	// Full select request example: context (version, action, domain, timestamp, ids, URIs, ttl)
+	// and message.order with orderStatus, seller, buyer, orderItems array (orderedItem, quantity,
+	// acceptedOffer with id, descriptor, items, provider, price), orderAttributes (buyerFinderFee, preferences).
+	body := []byte(`{
+  "context": {
+    "version": "1.0.0",
+    "action": "select",
+    "domain": "ev_charging",
+    "timestamp": "2024-01-15T10:30:00Z",
+    "message_id": "bb9f86db-9a3d-4e9c-8c11-81c8f1a7b901",
+    "transaction_id": "2b4d69aa-22e4-4c78-9f56-5a7b9e2b2002",
+    "bap_id": "bap.example.com",
+    "bap_uri": "https://bap.example.com",
+    "ttl": "PT30S",
+    "bpp_id": "bpp.example.com",
+    "bpp_uri": "https://bpp.example.com"
+  },
+  "message": {
+    "order": {
+      "@context": "https://raw.githubusercontent.com/beckn/protocol-specifications-new/refs/heads/main/schema/core/v2/context.jsonld",
+      "@type": "beckn:Order",
+      "beckn:orderStatus": "CREATED",
+      "beckn:seller": "ecopower-charging",
+      "beckn:buyer": {
+        "@context": "https://raw.githubusercontent.com/beckn/protocol-specifications-new/refs/heads/main/schema/core/v2/context.jsonld",
+        "@type": "beckn:Buyer",
+        "beckn:id": "user-123",
+        "beckn:role": "BUYER",
+        "beckn:displayName": "Ravi Kumar",
+        "beckn:telephone": "+91-9876543210",
+        "beckn:email": "ravi.kumar@example.com",
+        "beckn:taxID": "GSTIN29ABCDE1234F1Z5"
+      },
+      "beckn:orderItems": [
+        {
+          "beckn:orderedItem": "IND*ecopower-charging*cs-01*IN*ECO*BTM*01*CCS2*A*CCS2-A",
+          "beckn:quantity": {
+            "unitText": "Kilowatt Hour",
+            "unitCode": "KWH",
+            "unitQuantity": 2.5
+          },
+          "beckn:acceptedOffer": {
+            "@context": "https://raw.githubusercontent.com/beckn/protocol-specifications-new/refs/heads/main/schema/core/v2/context.jsonld",
+            "@type": "beckn:Offer",
+            "beckn:id": "offer-ccs2-60kw-kwh",
+            "beckn:descriptor": {
+              "@type": "beckn:Descriptor",
+              "schema:name": "Per-kWh Tariff - CCS2 60kW"
+            },
+            "beckn:items": [
+              "IND*ecopower-charging*cs-01*IN*ECO*BTM*01*CCS2*A*CCS2-A"
+            ],
+            "beckn:provider": "ecopower-charging",
+            "beckn:price": {
+              "currency": "INR",
+              "value": 45.0,
+              "applicableQuantity": {
+                "unitText": "Kilowatt Hour",
+                "unitCode": "KWH",
+                "unitQuantity": 1
+              }
+            }
+          }
+        }
+      ],
+      "beckn:orderAttributes": {
+        "@context": "https://raw.githubusercontent.com/beckn/protocol-specifications-new/refs/heads/main/schema/EvChargingSession/v1/context.jsonld",
+        "@type": "ChargingSession",
+        "buyerFinderFee": {
+          "feeType": "PERCENTAGE",
+          "feeValue": 2.5
+        },
+        "preferences": {
+          "startTime": "2026-01-04T08:00:00+05:30",
+          "endTime": "2026-01-04T20:00:00+05:30"
+        }
+      }
+    }
+  }
+}`)
+	got := selectAuditPayload(ctx, body)
+	require.NotNil(t, got, "selectAuditPayload should return projected body for select action")
+
+	var out map[string]interface{}
+	require.NoError(t, json.Unmarshal(got, &out))
+
+	// Context: only transaction_id, message_id, action, timestamp
+	ctxMap, ok := out["context"].(map[string]interface{})
+	require.True(t, ok)
+	assert.Equal(t, "select", ctxMap["action"])
+	assert.Equal(t, "2b4d69aa-22e4-4c78-9f56-5a7b9e2b2002", ctxMap["transaction_id"])
+	assert.Equal(t, "bb9f86db-9a3d-4e9c-8c11-81c8f1a7b901", ctxMap["message_id"])
+	assert.Equal(t, "2024-01-15T10:30:00Z", ctxMap["timestamp"])
+	_, hasBapID := ctxMap["bap_id"]
+	assert.False(t, hasBapID, "context should not include bap_id when not in audit rules")
+
+	// message.order: full order merged with projected array fields
+	msg, ok := out["message"].(map[string]interface{})
+	require.True(t, ok)
+	order, ok := msg["order"].(map[string]interface{})
+	require.True(t, ok)
+	assert.Equal(t, "ecopower-charging", order["beckn:seller"])
+	buyer, ok := order["beckn:buyer"].(map[string]interface{})
+	require.True(t, ok)
+	assert.Equal(t, "user-123", buyer["beckn:id"])
+
+	// beckn:orderItems: array with projected fields from each element (beckn:orderedItem, beckn:acceptedOffer with id, price, price.value)
+	items, ok := order["beckn:orderItems"].([]interface{})
+	require.True(t, ok)
+	require.Len(t, items, 1)
+	item0, ok := items[0].(map[string]interface{})
+	require.True(t, ok)
+	assert.Equal(t, "IND*ecopower-charging*cs-01*IN*ECO*BTM*01*CCS2*A*CCS2-A", item0["beckn:orderedItem"])
+	acceptedOffer, ok := item0["beckn:acceptedOffer"].(map[string]interface{})
+	require.True(t, ok)
+	assert.Equal(t, "offer-ccs2-60kw-kwh", acceptedOffer["beckn:id"])
+	price, ok := acceptedOffer["beckn:price"].(map[string]interface{})
+	require.True(t, ok)
+	assert.Equal(t, 45.0, price["value"])
+
+	// beckn:orderAttributes: only preferences and preferences.startTime
+	orderAttrs, ok := order["beckn:orderAttributes"].(map[string]interface{})
+	require.True(t, ok)
+	prefs, ok := orderAttrs["preferences"].(map[string]interface{})
+	require.True(t, ok)
+	assert.Equal(t, "2026-01-04T08:00:00+05:30", prefs["startTime"])
+}

pkg/telemetry/metrics_test.go

@@ -2,9 +2,9 @@ package telemetry
 
 import (
 	"context"
-	"net/http/httptest"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
@@ -13,16 +13,31 @@ func TestNewProviderAndMetrics(t *testing.T) {
 	provider, err := NewTestProvider(ctx)
 	require.NoError(t, err)
 	require.NotNil(t, provider)
-	require.NotNil(t, provider.MetricsHandler)
+	require.NotNil(t, provider.MeterProvider, "MeterProvider should be set")
 
 	metrics, err := GetMetrics(ctx)
 	require.NoError(t, err)
 	require.NotNil(t, metrics)
 
-	rec := httptest.NewRecorder()
+	require.NoError(t, provider.Shutdown(ctx))
-	req := httptest.NewRequest("GET", "/metrics", nil)
+}
-	provider.MetricsHandler.ServeHTTP(rec, req)
+
-	require.Equal(t, 200, rec.Code)
+func TestNewProviderAndTraces(t *testing.T) {
-
+	ctx := context.Background()
-	require.NoError(t, provider.Shutdown(context.Background()))
+	provider, sr, err := NewTestProviderWithTrace(ctx)
+	require.NoError(t, err)
+	require.NotNil(t, provider)
+	require.NotNil(t, provider.MeterProvider, "MeterProvider should be set")
+	require.NotNil(t, provider.TraceProvider, "TraceProvider should be set")
+	require.NotNil(t, sr, "SpanRecorder should be set")
+
+	tracer := provider.TraceProvider.Tracer("test-instrumentation")
+	_, span := tracer.Start(ctx, "test-span")
+	span.End()
+
+	ended := sr.Ended()
+	require.Len(t, ended, 1, "exactly one span should be recorded")
+	assert.Equal(t, "test-span", ended[0].Name(), "recorded span should have expected name")
+
+	require.NoError(t, provider.Shutdown(ctx))
 }

pkg/telemetry/pluginMetrics.go

@@ -31,23 +31,51 @@ var (
 // Attribute keys shared across instruments.
 var (
 	AttrModule               = attribute.Key("module")
-	AttrSubsystem     = attribute.Key("subsystem")
+	AttrCaller               = attribute.Key("caller") // who is calling bab/bpp with there name
-	AttrName          = attribute.Key("name")
 	AttrStep                 = attribute.Key("step")
 	AttrRole                 = attribute.Key("role")
-	AttrAction        = attribute.Key("action")
+	AttrAction               = attribute.Key("action")           // action is context.action
-	AttrHTTPMethod    = attribute.Key("http_method")
+	AttrHTTPStatus           = attribute.Key("http_status_code") // status code is 2xx/3xx/4xx/5xx
-	AttrHTTPStatus    = attribute.Key("http_status_code")
 	AttrStatus               = attribute.Key("status")
 	AttrErrorType            = attribute.Key("error_type")
-	AttrPluginID      = attribute.Key("plugin_id")
+	AttrPluginID             = attribute.Key("plugin_id")   // id for the plugine
-	AttrPluginType    = attribute.Key("plugin_type")
+	AttrPluginType           = attribute.Key("plugin_type") // type for the plugine
 	AttrOperation            = attribute.Key("operation")
-	AttrRouteType     = attribute.Key("route_type")
+	AttrRouteType            = attribute.Key("route_type") // publish/ uri
 	AttrTargetType           = attribute.Key("target_type")
 	AttrSchemaVersion        = attribute.Key("schema_version")
+	AttrMetricUUID           = attribute.Key("metric_uuid")
+	AttrMetricCode           = attribute.Key("metric.code")
+	AttrMetricCategory       = attribute.Key("metric.category")
+	AttrMetricGranularity    = attribute.Key("metric.granularity")
+	AttrMetricFrequency      = attribute.Key("metric.frequency")
+	AttrObservedTimeUnixNano = attribute.Key("observedTimeUnixNano")
+	AttrMatricLabels         = attribute.Key("metric.labels")
 )
 
+var (
+	networkMetricsCfgMu       sync.RWMutex
+	networkMetricsGranularity = "10mim" // default
+	networkMetricsFrequency   = "10mim" // default
+)
+
+func SetNetworkMetricsConfig(granularity, frequency string) {
+	networkMetricsCfgMu.Lock()
+	defer networkMetricsCfgMu.Unlock()
+	if granularity != "" {
+		networkMetricsGranularity = granularity
+	}
+	if frequency != "" {
+		networkMetricsFrequency = frequency
+	}
+}
+
+func GetNetworkMetricsConfig() (granularity, frequency string) {
+	networkMetricsCfgMu.RLock()
+	defer networkMetricsCfgMu.RUnlock()
+	return networkMetricsGranularity, networkMetricsFrequency
+}
+
 // GetMetrics lazily initializes instruments and returns a cached reference.
 func GetMetrics(ctx context.Context) (*Metrics, error) {
 	metricsOnce.Do(func() {
@@ -58,8 +86,8 @@ func GetMetrics(ctx context.Context) (*Metrics, error) {
 
 func newMetrics() (*Metrics, error) {
 	meter := otel.GetMeterProvider().Meter(
-		"github.com/beckn-one/beckn-onix/telemetry",
+		ScopeName,
-		metric.WithInstrumentationVersion("1.0.0"),
+		metric.WithInstrumentationVersion(ScopeVersion),
 	)
 
 	m := &Metrics{}

pkg/telemetry/telemetry.go

@@ -2,14 +2,21 @@ package telemetry
 
 import (
 	"context"
-	"net/http"
 
+	"go.opentelemetry.io/otel/sdk/log"
 	"go.opentelemetry.io/otel/sdk/metric"
+	"go.opentelemetry.io/otel/sdk/trace"
+)
+
+const (
+	ScopeName    = "beckn-onix"
+	ScopeVersion = "v2.0.0"
 )
 
 // Provider holds references to telemetry components that need coordinated shutdown.
 type Provider struct {
 	MeterProvider *metric.MeterProvider
-	MetricsHandler http.Handler
+	TraceProvider *trace.TracerProvider
+	LogProvider   *log.LoggerProvider
 	Shutdown      func(context.Context) error
 }

pkg/telemetry/test_helper.go

@@ -4,12 +4,13 @@ import (
 	"context"
 
 	clientprom "github.com/prometheus/client_golang/prometheus"
-	clientpromhttp "github.com/prometheus/client_golang/prometheus/promhttp"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	otelprom "go.opentelemetry.io/otel/exporters/prometheus"
 	"go.opentelemetry.io/otel/sdk/metric"
 	"go.opentelemetry.io/otel/sdk/resource"
+	"go.opentelemetry.io/otel/sdk/trace"
+	"go.opentelemetry.io/otel/sdk/trace/tracetest"
 )
 
 // NewTestProvider creates a minimal telemetry provider for testing purposes.
@@ -46,9 +47,55 @@ func NewTestProvider(ctx context.Context) (*Provider, error) {
 
 	return &Provider{
 		MeterProvider: meterProvider,
-		MetricsHandler: clientpromhttp.HandlerFor(registry, clientpromhttp.HandlerOpts{}),
 		Shutdown: func(ctx context.Context) error {
 			return meterProvider.Shutdown(ctx)
 		},
 	}, nil
 }
+
+// NewTestProviderWithTrace creates a telemetry provider with both metrics and
+// tracing enabled, using an in-memory span recorder. It returns the provider
+// and the SpanRecorder so tests can assert on recorded spans.
+func NewTestProviderWithTrace(ctx context.Context) (*Provider, *tracetest.SpanRecorder, error) {
+	provider, err := NewTestProvider(ctx)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	res, err := resource.New(
+		ctx,
+		resource.WithAttributes(
+			attribute.String("service.name", "test-service"),
+			attribute.String("service.version", "test"),
+			attribute.String("deployment.environment", "test"),
+		),
+	)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	sr := tracetest.NewSpanRecorder()
+	traceProvider := trace.NewTracerProvider(
+		trace.WithSpanProcessor(sr),
+		trace.WithResource(res),
+	)
+	otel.SetTracerProvider(traceProvider)
+
+	return &Provider{
+		MeterProvider: provider.MeterProvider,
+		TraceProvider: traceProvider,
+		Shutdown: func(ctx context.Context) error {
+			var errs []error
+			if err := traceProvider.Shutdown(ctx); err != nil {
+				errs = append(errs, err)
+			}
+			if err := provider.MeterProvider.Shutdown(ctx); err != nil {
+				errs = append(errs, err)
+			}
+			if len(errs) > 0 {
+				return errs[0]
+			}
+			return nil
+		},
+	}, sr, nil
+}