add bundle:docker-engine

bundles/docker-engine/files/check_docker_container

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+from json import loads
+from subprocess import check_output
+from sys import argv
+
+try:
+    container_name = argv[1]
+
+    docker_ps = check_output([
+        'docker',
+        'container',
+        'ls',
+        '--all',
+        '--format',
+        'json',
+        '--filter',
+        f'name={container_name}'
+    ])
+
+    containers = loads(f"[{','.join([l for l in docker_ps.decode().splitlines() if l])}]")
+
+    if not containers:
+        print(f'CRITICAL: container {container_name} not found!')
+        exit(2)
+
+    if len(containers) > 1:
+        print(f'Found more than one container matching {container_name}!')
+        print(docker_ps)
+        exit(3)
+
+    if containers[0]['State'] != 'running':
+        print(f'WARNING: container {container_name} not "running"')
+        exit(2)
+
+    print(f"OK: {containers[0]['Status']}")
+except Exception as e:
+    print(repr(e))
+    exit(2)

bundles/docker-engine/files/docker-wrapper

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+[[ -n "$DEBUG" ]] && set -x
+
+ACTION="$1"
+
+set -euo pipefail
+
+if [[ -z "$ACTION" ]]
+then
+    echo "Usage: $0 start|stop"
+    exit 1
+fi
+
+PUID="$(id -u "docker-${name}")"
+PGID="$(id -g "docker-${name}")"
+
+if [ "$ACTION" == "start" ]
+then
+    docker run -d \
+        --name "${name}" \
+        --env "PUID=$PUID" \
+        --env "PGID=$PGID" \
+        --env "TZ=${timezone}" \
+% for k, v in sorted(environment.items()):
+        --env "${k}=${v}" \
+% endfor
+        --network host \
+% for host_port, container_port in sorted(ports.items()):
+        --expose "127.0.0.1:${host_port}:${container_port}" \
+% endfor
+% for host_path, container_path in sorted(volumes.items()):
+        --volume "/var/opt/docker-engine/${name}/${host_path}:${container_path}" \
+% endfor
+        --restart unless-stopped \
+        "${image}"
+
+elif [ "$ACTION" == "stop" ]
+then
+    docker stop "${name}"
+    docker rm "${name}"
+
+else
+    echo "Unknown action $ACTION"
+    exit 1
+fi
+
+% if node.has_bundle('nftables'):
+systemctl reload nftables
+% endif

bundles/docker-engine/files/docker-wrapper.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=docker-engine app ${name}
+After=network.target
+Requires=${' '.join(sorted(requires))}
+
+[Service]
+WorkingDirectory=/var/opt/docker-engine/${name}/
+ExecStart=/opt/docker-engine/${name} start
+ExecStop=/opt/docker-engine/${name} stop
+Type=simple
+RemainAfterExit=true
+
+[Install]
+WantedBy=multi-user.target