sostituito promtail con alloy

vm1/alloy-config.alloy

@@ -0,0 +1,57 @@
+// Grafana Alloy configuration for VM1
+// Replaces Promtail for log collection and forwarding to Loki
+
+// Discover Docker containers with the logging=promtail label
+discovery.docker "containers" {
+  host = "unix:///var/run/docker.sock"
+  refresh_interval = "5s"
+
+  filter {
+    name   = "label"
+    values = ["logging=alloy"]
+  }
+}
+
+// Scrape logs from discovered containers
+loki.source.docker "docker_logs" {
+  host    = "unix:///var/run/docker.sock"
+  targets = discovery.docker.containers.targets
+
+  forward_to = [loki.write.loki.receiver]
+
+  relabel_rules = loki.relabel.docker.rules
+}
+
+// Relabel configuration to extract useful labels from Docker metadata
+loki.relabel "docker" {
+  forward_to = []
+
+  rule {
+    source_labels = ["__meta_docker_container_name"]
+    regex         = "/(.*)"
+    target_label  = "container"
+  }
+
+  rule {
+    source_labels = ["__meta_docker_container_label_logging_jobname"]
+    target_label  = "job"
+  }
+
+  // Add external labels
+  rule {
+    target_label  = "environment"
+    replacement   = "production"
+  }
+
+  rule {
+    target_label  = "cluster"
+    replacement   = "myapp-cluster"
+  }
+}
+
+// Write logs to Loki
+loki.write "loki" {
+  endpoint {
+    url = "http://192.168.1.200:3100/loki/api/v1/push"
+  }
+}

vm1/docker-compose.yml

@@ -23,7 +23,7 @@ services:
       timeout: 5s
       retries: 3
     labels:
-      logging: "promtail"
+      logging: "alloy"
       logging_jobname: "mysql"
   orchestrator-1-load:
     build: .
@@ -41,7 +41,7 @@ services:
     networks:
       - app-network
     labels:
-      logging: "promtail"
+      logging: "alloy"
   orchestrator-2-elab:
     build: .
     container_name: orchestrator-2-elab
@@ -58,7 +58,7 @@ services:
     networks:
       - app-network
     labels:
-      logging: "promtail"
+      logging: "alloy"
   orchestrator-3-send:
     build: .
     container_name: orchestrator-3-send
@@ -75,7 +75,7 @@ services:
     networks:
       - app-network
     labels:
-      logging: "promtail"
+      logging: "alloy"
   ftp-server-1:
     build: .
     container_name: ftp-server-1
@@ -102,7 +102,7 @@ services:
     expose:
       - "21"
     labels:
-      logging: "promtail"
+      logging: "alloy"
   sftp-server-1:
     build: .
     container_name: sftp-server-1
@@ -127,7 +127,7 @@ services:
     ports:
       - "22:22"
     labels:
-      logging: "promtail"
+      logging: "alloy"
 
   haproxy:
     image: haproxy:2.8-alpine
@@ -141,7 +141,7 @@ services:
       - "21:21"
       - "8404:8404"
     labels:
-      logging: "promtail"
+      logging: "alloy"
   keepalived:
     image: alpine:latest
     container_name: keepalived
@@ -154,17 +154,24 @@ services:
     volumes:
       - ./keepalived-master.conf:/etc/keepalived/keepalived.conf:ro
     command: sh -c "apk add --no-cache keepalived && keepalived -n -l -f /etc/keepalived/keepalived.conf"
-  promtail:
-    image: grafana/promtail:2.9.3
-    container_name: promtail
+  alloy:
+    image: grafana/alloy:latest
+    container_name: alloy
     restart: unless-stopped
     environment:
       TZ: Europe/Rome
     volumes:
-      - ./promtail-config.yml:/etc/promtail/config.yml:ro
+      - ./alloy-config.alloy:/etc/alloy/config.alloy:ro
       - /var/run/docker.sock:/var/run/docker.sock:ro
       - /etc/localtime:/etc/localtime:ro
       - /etc/timezone:/etc/timezone:ro
+    command:
+      - run
+      - --server.http.listen-addr=0.0.0.0:12345
+      - --storage.path=/var/lib/alloy/data
+      - /etc/alloy/config.alloy
+    ports:
+      - "12345:12345"  # Alloy UI
     networks:
       - app-network
 networks: