{
    "login": {
        "users": [
            {
                "name": "root",
                "passwd": ""
            }
        ]
    },
    "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"
            },
            {
                "name": "join_swarm.service",
                "enabled": true,
                "contents": "[Unit]\nDescription=Ensure that node joins a swarm on startup\n\n[Service]\nExecStart=/root/join_swarm.sh\n\n[Install]\nWantedBy=multi-user.target"
            }
        ]
    },
    "package": {
        "install": [
            "patterns-microos-cockpit, docker, jq"
        ]
    },
    "hostname": "test_hostname",
    "storage": {
        "files": [
            {
                "path": "/root/join_swarm.json",
                "source_type": "data",
                "mode": 420,
                "overwrite": true,
                "data_content": "{\"SWITCH_IP_ADDRESS\": \"192.168.1.1\", \"SWITCH_PORT\": 42, \"SWARM_TOKEN\": \"SWMTKN-1-THISISATESTSWARMTOKENFORTESTINGPURPOSESANDTHATMEANSITNEEDSTOBEQUITELONG\"}"
            },
            {
                "path": "/root/join_swarm.sh",
                "source_type": "data",
                "mode": 420,
                "overwrite": true,
                "data_content": "#!/bin/bash\n\nif [[ $EUID -ne 0 ]]; then\n   echo \"This script must be run as root\" \n   exit 1\nfi\n\n# Load the config file into variables\neval \"$(jq -r 'to_entries[] | \"export \\(.key)=\\(.value | @sh)\"' /root/join_swarm.json)\"\n\nif [[ $(docker info | grep Swarm | awk '{print $2}') == \"inactive\" ]]; then\n    docker swarm join --token $SWARM_TOKEN [$SWITCH_IP_ADDRESS]:$SWITCH_PORT\nelse\n    echo \"This node is already part of a swarm\"\n    docker info -f json | jq .Swarm\nfi\n"
            }
        ]
    }
}