consul

swarm/consul.yaml

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+
+networks:
+  netgrimoire:
+    external: true
+
+services:
+  consul-server:
+    image: consul:latest
+    hostname: "consul-{{.Task.Slot}}"
+    command: >
+      agent -server
+      -bootstrap-expect=3
+      -ui
+      -client=0.0.0.0
+      -bind='{{ GetInterfaceIP "eth0" }}'
+      -retry-join=tasks.consul-server
+      -datacenter=netgrimoire
+    ports:
+      - target: 8500
+        published: 8500
+        protocol: tcp
+        mode: host
+      - target: 8600
+        published: 8600
+        protocol: udp
+        mode: host
+      - target: 8600
+        published: 8600
+        protocol: tcp
+        mode: host
+    networks:
+      - netgrimoire
+    volumes:
+      - consul-data:/consul/data
+    deploy:
+      mode: replicated
+      replicas: 3  # Changed from 1 to 3
+      placement:
+        constraints:
+          - node.role == manager
+        max_replicas_per_node: 1
+      restart_policy:
+        condition: any
+        delay: 5s
+        max_attempts: 3
+        window: 120s
+      update_config:
+        parallelism: 1
+        delay: 30s
+
+  registrator:
+    image: gliderlabs/registrator:latest
+    command: >
+      -internal
+      -retry-attempts=10
+      -retry-interval=2000
+      consul://tasks.consul-server:8500
+    volumes:
+      - /var/run/docker.sock:/tmp/docker.sock
+    networks:
+      - netgrimoire
+    depends_on:
+      - consul-server
+    deploy:
+      mode: global  # Runs on ALL 6 nodes
+      restart_policy:
+        condition: any
+        delay: 5s
+
+volumes:
+  consul-data:
+    driver: local