First commit

templates/fuel-ignition.json

@@ -0,0 +1,42 @@
+{
+  "login": {
+    "users": [
+      {
+        "name": "root",
+        "hash_type": "bcrypt"
+      }
+    ]
+  },
+  "network": {
+    "interfaces": [
+      {
+        "name": "eth0",
+        "ipv4": {
+          "network_type": "DHCP",
+          "auto_dns_enabled": true
+        },
+        "ipv6": {
+          "network_type": "DHCP",
+          "auto_dns_enabled": true
+        }
+      }
+    ]
+  },
+  "systemd": {
+    "units": [
+      {
+        "name": "cockpit.socket.service",
+        "enabled": "yes"
+      },
+      {
+        "name": "docker.service",
+        "enabled": "yes"
+      }
+    ]
+  },
+  "package": {
+    "install": [
+      "patterns-microos-cockpit, docker, jq"
+    ]
+  }
+}

templates/join_swarm.service

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+[Unit]
+Description=Ensure that node joins a swarm on startup
+
+[Service]
+ExecStart=/root/join_swarm.sh
+
+[Install]
+WantedBy=multi-user.target

templates/join_swarm.sh

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+#!/bin/bash
+
+if [[ $EUID -ne 0 ]]; then
+   echo "This script must be run as root" 
+   exit 1
+fi
+
+# Load the config file into variables
+eval "$(jq -r 'to_entries[] | "export \(.key)=\(.value | @sh)"' /root/join_swarm.json)"
+
+if [[ $(docker info | grep Swarm | awk '{print $2}') == "inactive" ]]; then
+    docker swarm join --token $SWARM_TOKEN [$SWITCH_IP_ADDRESS]:$SWITCH_PORT
+else
+    echo "This node is already part of a swarm"
+    docker info -f json | jq .Swarm
+fi