docs: Update data-flow-diagram with IoT-Agent, QuantumLeap, CrateDB architecture (2026-05-06)
This commit is contained in:
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# Smart City Digital Twin Martinique — Diagramme des Flux de Données
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**Dernière mise à jour :** 05 Mai 2026
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**Projet :** Smart City Digital Twin Martinique
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**Dernière mise à jour :** 06 Mai 2026
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**Projet :** Smart City Digital Twin Martinique
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**Architecture :** IoT-Agent intégré, QuantumLeap + CrateDB pour l'analyse avancée
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---
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## Architecture Globale
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## Architecture Globale (Mise à jour 06/05/2026)
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```mermaid
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graph TB
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@@ -19,17 +20,21 @@ graph TB
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BUN[BunkerM<br/>port 1900<br/>MQTTS/TLS]
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end
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subgraph Stream["⚡ Event Streaming"]
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PUL[Pulsar<br/>port 6650<br/>Topics: smartcity-*]
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RED[Redpanda<br/>port 8082 REST<br/>Topics: traffic, air-quality, ...]
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subgraph IoT_Agent["🤖 IoT Agent (NGSI-LD)"]
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IOTA[IoT Agent JSON<br/>port 4041<br/>Transforme MQTT → NGSI-LD]
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end
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subgraph CB["🔗 Context Brokers"]
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subgraph CB["🔗 Context Brokers (NGSI-LD)"]
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ORI[Orion-LD<br/>NGSI-LD<br/>port 1026]
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STE[Stellio<br/>NGSI-LD<br/>port 8080]
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FRO[FROST-Server<br/>SensorThings<br/>port 8080]
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end
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subgraph Analytics["📈 Analytics & Time-Series"]
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QL[QuantumLeap<br/>NGSI-LD → CrateDB<br/>port 8668]
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CRATEDB[CrateDB<br/>PostgreSQL-compatible<br/>port 4200/5432]
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end
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subgraph Storage["💾 Stockage & Métriques"]
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INF[InfluxDB<br/>Bucket: iot_data<br/>port 8086]
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PRO[Prometheus<br/>Scrape: /metrics<br/>port 9090]
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@@ -42,139 +47,135 @@ graph TB
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end
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subgraph VIZ["📊 Visualisation"]
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GRA[Grafana<br/>Dashboards<br/>port 3000]
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GRA[Grafana<br/>Dashboards<br/>port 3001]
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MAP[MapStore<br/>WMS/WFS<br/>port 8080]
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end
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subgraph Distribution["🔄 Distribution Service"]
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DIST[Pulsar Distribution<br/>Pulsar → Brokers]
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end
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subgraph Consumer["📥 Redpanda Consumer"]
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RCONS[Redpanda → InfluxDB<br/>REST → InfluxDB]
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end
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%% ── Flux Simulateur ──────────────────────────────────────────────────
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%% ── Flux Simulateur ──────────────────────────────────────────
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SIM -->|"1️⃣ MQTT publish<br/>city/sensors/{type}/{id}"| EMQ
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SIM -->|"1️⃣ MQTT publish"| MOS
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SIM -->|"1️⃣ MQTT publish"| BUN
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SIM -->|"2️⃣ HTTP POST<br/>NGSI-LD"| ORI
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SIM -->|"2️⃣ HTTP POST<br/>NGSI-LD"| STE
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SIM -->|"2️⃣ HTTP POST<br/>SensorThings"| FRO
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SIM -->|"3️⃣ Pulsar client<br/>pulsar://localhost:6650"| PUL
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SIM -->|"4️⃣ HTTP REST Proxy<br/>localhost:8082/topics/"| RED
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SIM -->|"5️⃣ InfluxDB v2 API<br/>async non-bloquant"| INF
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%% ── Flux Distribution (Pulsar → Brokers) ──────────────────────────────
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PUL -->|"Consomme<br/>smartcity-*"| DIST
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DIST -->|"Republish<br/>MQTT"| EMQ
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DIST -->|"Republish<br/>MQTT"| MOS
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DIST -->|"Republish<br/>NGSI-LD"| ORI
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DIST -->|"Republish<br/>NGSI-LD"| STE
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DIST -->|"Republish<br/>SensorThings"| FRO
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%% ── Flux MQTT → IoT Agent ──────────────────────────────────
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EMQ -->|"MQTT subscribe<br/>city/sensors/#"| IOTA
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MOS -->|"MQTT subscribe"| IOTA
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BUN -->|"MQTT subscribe"| IOTA
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%% ── Flux Redpanda → InfluxDB ──────────────────────────────────────────
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RED -->|"REST poll<br/>topics/{name}/offsets"| RCONS
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RCONS -->|"Line Protocol<br/>Write API"| INF
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%% ── Flux IoT Agent → Context Brokers ───────────────────────
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IOTA -->|"2️⃣ NGSI-LD POST<br/>/ngsi-ld/v1/entities"| ORI
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IOTA -->|"2️⃣ NGSI-LD POST"| STE
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%% ── OpenRemote MQTT Agent ──────────────────────────────────────────────
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%% ── Flux Context Brokers → QuantumLeap ───────────────────
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ORI -->|"NGSI-LD Subscription<br/>→ QuantumLeap"| QL
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STE -->|"NGSI-LD Subscription<br/>→ QuantumLeap"| QL
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%% ── Flux QuantumLeap → CrateDB ────────────────────────────
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QL -->|"Insert<br/>PostgreSQL wire"| CRATEDB
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%% ── Visualisation ───────────────────────────────────────────
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CRATEDB -->|"PostgreSQL Datasource"| GRA
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INF -->|"Datasource Flux IoT"| GRA
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ORI -->|"NGSI-LD Datasource"| GRA
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STE -->|"NGSI-LD Datasource"| GRA
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GEO -->|"WMS/WMTS"| MAP
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ORM -->|MapSettings<br/>Martinique| MAP
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ORM -->|"Live assets<br/>REST"| GRA
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%% ── OpenRemote MQTT Agent ───────────────────────────────────
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EMQ -->|"6️⃣ Subscribe<br/>city/sensors/#"| ORM
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MOS -->|"6️⃣ Subscribe"| ORM
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BUN -->|"6️⃣ Subscribe"| ORM
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%% ── Métriques Prometheus ────────────────────────────────────────────────
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%% ── Métriques Prometheus ────────────────────────────────────
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SIM -->|"7️⃣ /metrics<br/>port 8001"| PRO
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EMQ -->|"/api/v5/metrics"| PRO
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STE -->|"/actuator/prometheus"| PRO
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FRO -->|"/metrics"| PRO
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INF -->|"/metrics"| PRO
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RED -->|"/public_metrics"| PRO
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ORM -->|"/actuator/prometheus"| PRO
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GRA -->|"/metrics"| PRO
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%% ── Visualisation ─────────────────────────────────────────────────────
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INF -->|"Datasources<br/>Flux IoT"| GRA
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ORI -->|"NGSI-LD<br/>Datasource"| GRA
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STE -->|"NGSI-LD<br/>Datasource"| GRA
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FRO -->|"SensorThings<br/>Datasource"| GRA
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GEO -->|"WMS/WMTS"| MAP
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ORM -->|MapSettings<br/>Martinique| MAP
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ORM -->|"Live assets<br/>REST"| GRA
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IOTA -->|"/metrics"| PRO
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QL -->|"/metrics"| PRO
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```
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---
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## Flux Détaillés
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## Flux Détaillés (Mise à jour 06/05/2026)
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### 1️⃣ Flux MQTT — Brokers
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| Broker | Port | Protocol | Topics |
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|--------|------|----------|--------|
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| EMQX | 11883 | MQTT | `city/sensors/{type}/{id}` |
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| Mosquitto | 1883 | MQTT | `city/sensors/{type}/{id}` |
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| BunkerM | 1900 | MQTTS (TLS) | `city/sensors/{type}/{id}` |
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Le simulateur publie simultanément sur les 3 brokers.
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Le simulateur publie simultanément sur les 3 brokers vers **IoT Agent**.
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### 2️⃣ Flux HTTP REST — Context Brokers
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### 2️⃣ Flux IoT Agent — NGSI-LD
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- **IoT Agent JSON** : Réception MQTT → Transformation en entités NGSI-LD
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- **Port** : `4041`
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- **Configuration** :
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```bash
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# Enregistrement service
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curl -X POST http://localhost:4041/iot/services \
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-H 'Content-Type: application/json' \
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-H 'fiware-service: smartcity' \
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-d '{"services": [{"apikey": "smartcity-api-key", "cbroker": "http://orion-ld:1026", "entity_type": "Device", "ngsi_version": "ld"}]}'
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```
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- **Entités créées dans** : Orion-LD (port 1026) et Stellio (port 8080)
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| Broker | Format | Port | Topics |
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|--------|--------|------|--------|
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| Orion-LD | NGSI-LD | 1026 | Entités par type |
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| Stellio | NGSI-LD | 8080 | Entités par type |
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| FROST-Server | SensorThings | 8080 | Things → Datastreams → Observations |
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### 3️⃣ Flux Pulsar — Event Streaming
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- **Topics** : `persistent://public/default/smartcity-traffic`, `smartcity-airquality`, `smartcity-parking`, `smartcity-noise`, `smartcity-weather`, `smartcity-light`
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- **Port binaire** : `6650` (connectable depuis le host)
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- **Distribution** : Le service `pulsar-distribution` consomme ces topics et republie vers les brokers MQTT et context brokers
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### 4️⃣ Flux Redpanda — Kafka-compatible REST
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- **REST Proxy** : `http://localhost:8082`
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- **Topics** : `traffic`, `air-quality`, `parking`, `noise`, `weather`, `air-quality`
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- **Payload** : Base64(JSON) dans `{"records": [{"value": "<base64>"}]}`
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- **Consumer** : `redpanda/consumer.py` — poll toutes les 10s et écrit dans InfluxDB
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### 5️⃣ Flux InfluxDB — Temps Réel
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### 3️⃣ Flux Context Brokers → QuantumLeap → CrateDB
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1. **Orion-LD** / **Stellio** : Reçoivent les entités NGSI-LD de IoT Agent
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2. **QuantumLeap** (port 8668) : Souscrit aux mises à jour NGSI-LD via Subscription
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3. **CrateDB** (port 5432/4200) : Stockage temporel PostgreSQL-compatible
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4. **Grafana** : Dashboards connectés à CrateDB (PostgreSQL datasource)
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### 4️⃣ Flux InfluxDB — Temps Réel
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- **API** : `http://localhost:8086/api/v2/write`
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- **Bucket** : `iot_data`
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- **Org** : `digitribe`
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- **Mode** : Asynchrone (thread daemon) pour ne pas bloquer le publish MQTT
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### 6️⃣ OpenRemote — MQTT Agent
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### 5️⃣ OpenRemote — MQTT Agent
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L'agent MQTT d'OpenRemote souscrit aux topics `city/sensors/#` sur les brokers MQTT. Les payloads sont automatiquement parsés et les attributs des assets sont mis à jour.
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L'agent MQTT d'OpenRemote souscrit aux topics `city/sensors/#` sur les brokers MQTT (EMQX, Mosquitto, BunkerM). Les payloads sont automatiquement parsés et les attributs des assets sont mis à jour.
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**Configuration via Manager UI** (`https://openremote.digitribe.fr/manager/`) :
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1. Se connecter avec `admin/Digitribe972`
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2. Choisir le realm `smartcity`
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3. **Assets → Agents → + Add Agent**
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4. Type : **MQTT Agent**
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5. Configurer :
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- **MQTT Broker URI** : `tcp://emqx_emqx_1:1883` (réseau smartcity-shared)
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- **Topic Filter** : `city/sensors/#`
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- **QoS** : 1
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- **Enabled** : ✅
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### 7️⃣ Flux Prometheus — Métriques
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| Service | Endpoint `/metrics` | Scrape |
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### 6️⃣ Flux Prometheus — Métriques
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| Service | Endpoint `/metrics` | Statut |
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|---------|---------------------|--------|
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| Simulator | `localhost:8001` | ✅ |
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| EMQX | `emqx_emqx_1:8081/api/v5/metrics` | ✅ |
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| Stellio | `stellio-api-gateway:8080/actuator/prometheus` | ✅ |
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| FROST | `frost_http-web-1:8080/metrics` | ✅ |
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| InfluxDB | `smart-city-influxdb:8086/metrics` | ✅ |
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| Redpanda | `smart-city-redpanda-console:8080/public_metrics` | ✅ |
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| OpenRemote | `openremote-manager-1:8080/actuator/prometheus` | ✅ |
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| Grafana | `smart-city-grafana:3000/metrics` | ✅ |
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| IoT Agent | `iot-agent:4041/metrics` | ⚠️ À vérifier |
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| QuantumLeap | `quantum-leap:8668/metrics` | ⚠️ À vérifier |
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---
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## Tableau Récapitulatif
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## Nouveaux Composants (06/05/2026)
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### 🤖 IoT Agent JSON
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- **Rôle** : Pont entre MQTT et NGSI-LD (Orion-LD / Stellio)
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- **Port** : 4041
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- **Statut** : ❌ En cours de réparation (erreur MongoDB)
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- **Correction** : Fournir `IOTA_MONGO_URL=mongodb://mongodb:27017/iotagent`
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### 📈 QuantumLeap
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- **Rôle** : Analytics NGSI-LD → CrateDB
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- **Port** : 8668
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- **Statut** : ✅ Fonctionnel (interne), port non exposé sur l'hôte
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- **Action** : Exposer le port dans docker-compose
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### 🗄️ CrateDB
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- **Rôle** : Base de données temporelle PostgreSQL-compatible
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- **Port** : 4200 (UI), 5432 (PostgreSQL)
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- **Statut** : ✅ Opérationnel
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- **Usage** : Stockage des séries temporelles depuis QuantumLeap
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---
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## Tableau Récapitulatif (Mise à jour)
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| Composant | Technologie | Port | Statut |
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|-----------|-------------|------|--------|
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@@ -182,42 +183,54 @@ L'agent MQTT d'OpenRemote souscrit aux topics `city/sensors/#` sur les brokers M
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| EMQX | MQTT Broker | 11883 | ✅ Connecté |
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| Mosquitto | MQTT Broker | 1883 | ✅ Connecté |
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| BunkerM | MQTTS Broker | 1900 | ✅ Connecté |
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| Orion-LD | NGSI-LD Broker | 1026 | ✅ Données |
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| Stellio | NGSI-LD Broker | 8080 | ✅ Données |
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| FROST-Server | SensorThings API | 8080 | ✅ Données |
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| OpenRemote | IoT Platform | 8080 | ✅ UI OK |
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| **IoT Agent** | **NGSI-LD Bridge** | **4041** | **❌ Erreur MongoDB** |
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| Orion-LD | NGSI-LD Broker | 1026 | ⚠️ À vérifier |
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| Stellio | NGSI-LD Broker | 8080 | ⚠️ Ports occupés par OpenRemote |
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| FROST-Server | SensorThings API | 8080 | ⚠️ À vérifier |
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| **QuantumLeap** | **NGSI-LD → CrateDB** | **8668** | **✅ Interne** |
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| **CrateDB** | **PostgreSQL Time-Series** | **4200/5432** | **✅ Opérationnel** |
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| OpenRemote | IoT Platform | 8080 | ⚠️ 403 (Service Account) |
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| InfluxDB | Time Series DB | 8086 | ✅ Bucket iot_data |
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| Redpanda | Kafka-compatible | 8082 REST | ✅ Topics actifs |
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| Pulsar | Event Streaming | 6650 | ✅ Connecté |
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| Prometheus | Metrics | 9090 (conf) | ⏳ Container arrêté |
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| Grafana | Visualisation | 3000 | ✅ Dashboards |
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| Grafana | Visualisation | 3001 | ✅ Dashboards + CrateDB |
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| GeoServer | Geo Data | 8080 | ✅ REST OK |
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| MapStore | Cartographie | 8080 | ✅ WMS/WMTS |
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---
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## Actions Prioritaires
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1. **Corriger IoT Agent** : Ajouter MongoDB et configurer `IOTA_MONGO_URL`
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2. **Exposer QuantumLeap** : Mapper le port 8668 dans docker-compose
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3. **Déployer Orion-LD** : Créer le service s'il n'existe pas
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4. **Libérer les ports** : Résoudre le conflit Stellio/OpenRemote sur le port 8080
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5. **Configurer CrateDB** : Créer les tables pour QuantumLeap
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6. **Mettre à jour le simulateur** : `ENABLE_PULSAR=false` (recommandé)
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---
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## Commandes Utiles
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```bash
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# Redémarrer le service de distribution Pulsar
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cd ~/smart-city-digital-twin-martinique
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docker build -t smart-city-pulsar-distribution:latest -f pulsar/Dockerfile pulsar/
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docker compose -f docker-compose.yml -f docker-compose.distribution.yml up -d pulsar-distribution
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# Vérifier IoT Agent
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curl -s http://localhost:4041/iot/services -H 'fiware-service: smartcity'
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# Redémarrer Prometheus (prometheus-brokers)
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cd ~/smart-city-digital-twin-martinique
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docker compose up -d prometheus-brokers
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# Vérifier QuantumLeap
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curl -s http://localhost:8668/version
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# Lancer le consumer Redpanda (host)
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cd ~/smart-city-digital-twin-martinique
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python3 redpanda/consumer.py
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# Vérifier CrateDB
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psql -h localhost -p 5432 -U crate -c "SELECT * FROM ql_entities LIMIT 5;"
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# Vérifier les topics Redpanda
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curl -s http://localhost:8082/topics
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# Vérifier Orion-LD
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curl -s http://localhost:1026/version
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# Vérifier les métriques simulator
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curl -s http://localhost:8001/metrics | grep "^simulator_"
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# Logs distribution service
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docker logs -f smart-city-pulsar-distribution
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# Voir les logs IoT Agent
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docker logs smart-city-iot-agent --tail 30
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```
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---
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**Fichiers associés :**
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- Simulateur : `~/smart-city-digital-twin-martinique/simulator.py`
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- Dashboard Grafana : `~/smart-city-digital-twin-martinique/grafana_dashboard_smartcity.json`
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- Ce diagramme : `~/smart-city-digital-twin-martinique/data-flow-diagram.md`
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- Session Resume : `~/smart-city-digital-twin-martinique/session_resume_2026-05-07.md`
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Reference in New Issue
Block a user