Replace base otel collector with grafana alloy

Author: febus982

config.alloy

@@ -0,0 +1,29 @@
+otelcol.exporter.otlp "jaeger" {
+	client {
+		endpoint = "jaeger:4317"
+
+		tls {
+			insecure = true
+		}
+	}
+}
+
+otelcol.exporter.debug "console" {
+	verbosity = "Detailed"
+}
+
+otelcol.processor.batch "default" {
+	output {
+		traces = [otelcol.exporter.otlp.jaeger.input]
+	}
+}
+
+otelcol.receiver.otlp "default" {
+	grpc { }
+
+	output {
+		metrics = [otelcol.exporter.debug.console.input]
+		logs    = [otelcol.exporter.debug.console.input]
+		traces  = [otelcol.processor.batch.default.input]
+	}
+}

docker-compose.yaml

@@ -59,11 +59,19 @@ services:
       - "14268:14268" # HTTP port for spans
 
   otel-collector:
-    image: otel/opentelemetry-collector-contrib
+    image: grafana/alloy:latest
     depends_on:
       - jaeger
+    ports:
+      - "12345:12345"
     volumes:
-      - ./otel-collector-config.yaml:/etc/otelcol-contrib/config.yaml
+      - ./config.alloy:/etc/alloy/config.alloy
+    command:
+      - run
+      - --server.http.listen-addr=0.0.0.0:12345
+      - --stability.level=experimental
+#      - --stability.level=public-preview
+      - /etc/alloy/config.alloy
 
   redis:
     image: redis