Enable spanmetrics and set service_name label

docker-compose.yml

@@ -677,7 +677,14 @@ services:
     image: grafana/otel-lgtm:latest
     container_name: otel-lgtm
     ports:
-      - "${GRAFANA_SERVICE_PORT}:${GRAFANA_SERVICE_PORT}"
+      - "${GRAFANA_SERVICE_PORT}"
+    environment:
+      - GF_SERVER_DOMAIN=localhost
+      - GF_SERVER_ROOT_URL=%(protocol)s://%(domain)s/grafana/
+      - GF_SERVER_SERVE_FROM_SUB_PATH=true
+    volumes:
+      - ./src/otel-lgtm/config/otelcol-config.yaml:/otel-lgtm/otelcol-config.yaml
+      - ./src/otel-lgtm/config/tempo-config.yaml:/otel-lgtm/tempo-config.yaml
     logging: *logging
 
   # Jaeger

src/otel-lgtm/config/otelcol-config.yaml

@@ -0,0 +1,61 @@
+receivers:
+  otlp:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4317
+      http:
+        endpoint: 0.0.0.0:4318
+  prometheus/collector:
+    config:
+      scrape_configs:
+        - job_name: "opentelemetry-collector"
+          static_configs:
+            - targets: ["localhost:8888"]
+
+processors:
+  batch:
+  transform:
+    metric_statements:
+      - context: datapoint
+        statements:
+          - set(attributes["service_name"], resource.attributes["service.name"])
+          - set(attributes["service_version"], resource.attributes["service.version"])
+          - set(attributes["service_namespace"], resource.attributes["service.namespace"])
+
+exporters:
+  otlphttp/metrics:
+    endpoint: http://localhost:9090/api/v1/otlp
+    tls:
+      insecure: true
+  otlphttp/traces:
+    endpoint: http://localhost:4418
+    tls:
+      insecure: true
+  otlphttp/logs:
+    endpoint: http://localhost:3100/otlp
+    tls:
+      insecure: true
+  logging/metrics:
+    verbosity: detailed
+  logging/traces:
+    verbosity: detailed
+  logging/logs:
+    verbosity: detailed
+
+service:
+  pipelines:
+    traces:
+      receivers: [otlp]
+      processors: [transform, batch]
+      exporters: [otlphttp/traces]
+      #exporters: [otlphttp/traces,logging/traces]
+    metrics:
+      receivers: [otlp, prometheus/collector]
+      processors: [transform, batch]
+      exporters: [otlphttp/metrics]
+      #exporters: [otlphttp/metrics,logging/metrics]
+    logs:
+      receivers: [otlp]
+      processors: [transform, batch]
+      exporters: [otlphttp/logs]
+      #exporters: [otlphttp/logs,logging/logs]

src/otel-lgtm/config/tempo-config.yaml

@@ -0,0 +1,36 @@
+server:
+  http_listen_port: 3200
+  grpc_listen_port: 9096
+
+distributor:
+  receivers:
+    otlp:
+      protocols:
+        grpc:
+          endpoint: "localhost:4417"
+        http:
+          endpoint: "localhost:4418"
+
+storage:
+  trace:
+    backend: local
+    wal:
+      path: /tmp/tempo/wal
+    local:
+      path: /tmp/tempo/blocks
+
+metrics_generator:
+  processor:
+    local_blocks:
+      filter_server_spans: false
+  traces_storage:
+    path: /tmp/tempo/generator/traces
+  storage:
+    path: /tmp/tempo/generator/wal
+    # TODO: support otlp at metrics_generator
+    remote_write:
+      - url: http://localhost:9090/api/v1/write
+        send_exemplars: true
+
+overrides:
+  metrics_generator_processors: [service-graphs, span-metrics, local-blocks]