Files
smart-city-digital-twin-mar…/promtail-config.yml

39 lines
1.1 KiB
YAML

# Promtail configuration — Smart City Digital Twin
# Collects Docker logs and sends to Loki
server:
http_listen_port: 9080
grpc_listen_port: 0
positions:
filename: /tmp/promtail/positions.yaml
clients:
- url: http://smart-city-loki:3100/loki/api/v1/push
scrape_configs:
# Collect logs from all Docker containers
- job_name: docker
docker_sd_configs:
- host: unix:///var/run/docker.sock
refresh_interval: 5s
relabel_configs:
# Keep only Smart City containers
- source_labels: [__meta_docker_container_name]
regex: 'smart-city-.*'
action: keep
# Add container name as label
- source_labels: [__meta_docker_container_name]
target_label: container
- source_labels: [__meta_docker_container_name]
target_label: job
replacement: ${1}
# Add image as label
- source_labels: [__meta_docker_container_image]
target_label: image
# Add service label from container name
- source_labels: [__meta_docker_container_name]
regex: 'smart-city-(.*)'
target_label: service
replacement: '${1}'