replace agent with alloy

some fixes

.env.example

@@ -1,23 +1,21 @@
 COMPOSE_PROFILES=grafana
 
-GRAFANA_VERSION=11.1.3
+GRAFANA_VERSION=11.6.2
 GRAFANA_HOST=grafana.docker.localhost
 
-LOKI_STACK_VERSION=3.1.1
+LOKI_STACK_VERSION=3.5.1
 LOKI_HOST=loki.docker.localhost
 LOKI_PROMTAIL_HOST=promtail.docker.localhost
 
-AGENT_VERSION=v0.39.0
+ALLOY_VERSION=v1.11.3
-AGENT_LOKI_URL=loki:3100
-AGENT_TEMPO_URL=tempo:4317
 
-TEMPO_VERSION=2.3.1
+TEMPO_VERSION=2.9.0
 TEMPO_CONFIG_FILE=/etc/tempo/tempo.yml
 TEMPO_SERVER_LOG_LEVEL=info
-TEMPO_STORAGE_PATH=/opt/tempo
+TEMPO_STORAGE_PATH=/var/tempo
 TEMPO_PROMETHEUS_URL=prometheus:9090
 
-PROMETHEUS_VERSION=v2.43.0
+PROMETHEUS_VERSION=v3.4.1
-PROMETHEUS_NODE_EXPORTER_VERSION=v1.5.0
+PROMETHEUS_NODE_EXPORTER_VERSION=v1.9.1
 PROMETHEUS_HOST=prometheus.docker.localhost
 PROMETHEUS_RETENTION_TIME=10d

agent/agent.yaml

@@ -1,49 +0,0 @@
-logs:
-  configs:
-    - name: local
-      clients:
-        - url: "http://${AGENT_LOKI_URL}/loki/api/v1/push"
-      scrape_configs:
-        - docker_sd_configs:
-            - host: unix:///var/run/docker.sock
-              refresh_interval: 10s
-          job_name: docker
-          pipeline_stages:
-            - drop:
-                drop_counter_reason: reject_old_samples
-                older_than: 30m
-            - static_labels:
-                job: docker
-          relabel_configs:
-            - regex: /(.*)
-              source_labels: [__meta_docker_container_name]
-              target_label: container_name
-            - source_labels: [__meta_docker_container_id]
-              target_label: container_id
-            - source_labels: [__meta_docker_container_log_stream]
-              target_label: stream
-            - source_labels: [__meta_docker_container_label_com_docker_compose_project]
-              target_label: compose_project
-            - source_labels: [__meta_docker_container_label_org_label_schema_vcs_ref]
-              target_label: vcs_ref
-            - source_labels: [__meta_docker_container_label_org_label_schema_version]
-              target_label: image_version
-  positions_directory: /opt/positions
-
-traces:
-  configs:
-    - name: tempo
-      remote_write:
-        - endpoint: "http://${AGENT_TEMPO_URL}"
-          insecure: true
-      receivers:
-        otlp:
-          protocols:
-            http:
-            grpc:
-      automatic_logging:
-        backend: "logs_instance"
-        logs_instance_name: "local"
-        roots: true
-server:
-  log_level: info

alloy/alloy.conf

@@ -0,0 +1,99 @@
+discovery.docker "logs_local_docker" {
+	host             = "unix:///var/run/docker.sock"
+	refresh_interval = "10s"
+}
+
+loki.process "logs_local_docker" {
+	forward_to = [loki.write.logs_local.receiver]
+
+	stage.drop {
+		drop_counter_reason = "reject_old_samples"
+		older_than          = "30m0s"
+	}
+
+	stage.static_labels {
+		values = {
+			job = "docker",
+		}
+	}
+}
+
+discovery.relabel "logs_local_docker" {
+	targets = []
+
+	rule {
+		source_labels = ["__meta_docker_container_name"]
+		regex         = "/(.*)"
+		target_label  = "container_name"
+	}
+
+	rule {
+		source_labels = ["__meta_docker_container_id"]
+		target_label  = "container_id"
+	}
+
+	rule {
+		source_labels = ["__meta_docker_container_log_stream"]
+		target_label  = "stream"
+	}
+
+	rule {
+		source_labels = ["__meta_docker_container_label_com_docker_compose_project"]
+		target_label  = "compose_project"
+	}
+
+	rule {
+		source_labels = ["__meta_docker_container_label_org_label_schema_vcs_ref"]
+		target_label  = "vcs_ref"
+	}
+
+	rule {
+		source_labels = ["__meta_docker_container_label_org_label_schema_version"]
+		target_label  = "image_version"
+	}
+}
+
+loki.source.docker "logs_local_docker" {
+	host             = "unix:///var/run/docker.sock"
+	targets          = discovery.docker.logs_local_docker.targets
+	forward_to       = [loki.process.logs_local_docker.receiver]
+	relabel_rules    = discovery.relabel.logs_local_docker.rules
+	refresh_interval = "10s"
+}
+
+loki.write "logs_local" {
+	endpoint {
+		url = "http://loki:3100/loki/api/v1/push"
+	}
+	external_labels = {}
+}
+
+otelcol.receiver.otlp "default" {
+	grpc {
+		endpoint         = "0.0.0.0:4317"
+		include_metadata = true
+	}
+
+	http {
+		endpoint         = "0.0.0.0:4318"
+		include_metadata = true
+	}
+
+	output {
+		traces = [otelcol.exporter.otlphttp.tempo_http.input]
+	}
+}
+
+otelcol.exporter.otlphttp "tempo_http" {
+	retry_on_failure {
+		max_elapsed_time = "1m0s"
+	}
+
+	client {
+		endpoint = "http://tempo:4318"
+		tls {
+			insecure = true
+			insecure_skip_verify = true
+		}
+	}
+}

docker-compose.yml

@@ -28,21 +28,23 @@ services:
     profiles:
       - grafana
 
-  agent:
+  alloy:
-    image: grafana/agent:${AGENT_VERSION}
+    image: grafana/alloy:${ALLOY_VERSION}
-    environment:
-      WAL_DATA_DIRECTORY: /opt/agent/data
-      CONFIG_FILE_PATH: /etc/agent/agent.yaml
-      AGENT_LOKI_URL: "${AGENT_LOKI_URL}"
-      AGENT_TEMPO_URL: "${AGENT_TEMPO_URL}"
     volumes:
-      - ./agent:/etc/agent/
+      - ./alloy/alloy.conf:/etc/alloy/config.alloy
+      - alloy-data:/var/lib/alloy/data
       - /var/run/docker.sock:/var/run/docker.sock:ro
     command:
-      - "-config.file=/etc/agent/agent.yaml"
+      - run
-      - "-config.expand-env"
+      - /etc/alloy/config.alloy
+      - --storage.path=/var/lib/alloy/data
+      - --server.http.listen-addr=0.0.0.0:12345
+    expose:
+      - 12345
+      - 4317 # otlp grpc
+      - 4318 # otlp http
     profiles:
-      - agent
+      - alloy
 
   tempo:
     image: grafana/tempo:${TEMPO_VERSION}
@@ -60,7 +62,7 @@ services:
       TEMPO_PROMETHEUS_URL: ${TEMPO_PROMETHEUS_URL}
     volumes:
       - ./tempo:/etc/tempo
-      - tempo-local-storage:${TEMPO_STORAGE_PATH:-/opt/tempo}
+      - tempo-local-storage:${TEMPO_STORAGE_PATH:-/var/tempo}
     profiles:
       - tempo
 
@@ -105,3 +107,4 @@ volumes:
   grafana-storage:
   tempo-local-storage:
   prometheus-data:
+  alloy-data:

readme.md

@@ -6,9 +6,9 @@
 
 1. Скопировать [.env.example](/.env.example) в `.env`
 
-#### With grafana agent
+#### With grafana alloy
 
-1. Добавить в `COMPOSE_PROFILES` значение `agent` в файле [.env](/.env)
+1. Добавить в `COMPOSE_PROFILES` значение `alloy` в файле [.env](/.env)
 2. Запустить docker-compose-стэк:
   ```shell
   docker compose up -d
@@ -48,7 +48,7 @@
 	  	<<: *loki-log-config
 	```
 
-3. Убрать профиль `agent` из значения `COMPOSE_PROFILES` в файле [.env](/.env)
+3. Убрать профиль `alloy` из значения `COMPOSE_PROFILES` в файле [.env](/.env)
 4. Запустить стек `grafana` + `loki`
 
 	```shell

tempo/tempo.yml

@@ -22,7 +22,9 @@ distributor:
     otlp:
       protocols:
         http:
+          endpoint: "0.0.0.0:4318"
         grpc:
+          endpoint: "0.0.0.0:4317"
 
 ingester:
   max_block_duration: 5m # cut the headblock when this much time passes. this is being set for demo purposes and should probably be left alone normally