bundlewrap/bundles/docker-engine/items.py

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2024-10-26 14:25:54 +00:00
from bundlewrap.metadata import metadata_to_json
deps = {
'pkg_apt:docker-ce',
'pkg_apt:docker-ce-cli',
}
directories['/opt/docker-engine'] = {
'purge': True,
}
directories['/var/opt/docker-engine'] = {}
files['/etc/docker/daemon.json'] = {
'content': metadata_to_json(node.metadata.get('docker-engine/config')),
'triggers': {
'svc_systemd:docker:restart',
},
# install config before installing packages to ensure the config is
# applied to the first start as well
'before': deps,
}
svc_systemd['docker'] = {
'needs': deps,
}
files['/usr/local/share/icinga/plugins/check_docker_container'] = {
'mode': '0755',
}
for app, config in node.metadata.get('docker-engine/containers', {}).items():
volumes = config.get('volumes', {})
files[f'/opt/docker-engine/{app}'] = {
'source': 'docker-wrapper',
'content_type': 'mako',
'context': {
'environment': config.get('environment', {}),
'image': config['image'],
'name': app,
'ports': config.get('ports', {}),
'timezone': node.metadata.get('timezone'),
'volumes': volumes,
},
'mode': '0755',
'triggers': {
f'svc_systemd:docker-{app}:restart',
},
}
users[f'docker-{app}'] = {
'home': f'/var/opt/docker-engine/{app}',
'groups': {
'docker',
},
'after': {
# provides docker group
'pkg_apt:docker-ce',
},
}
files[f'/usr/local/lib/systemd/system/docker-{app}.service'] = {
'source': 'docker-wrapper.service',
'content_type': 'mako',
'context': {
'name': app,
'requires': {
*set(config.get('requires', set())),
'docker.service',
}
},
'triggers': {
'action:systemd-reload',
f'svc_systemd:docker-{app}:restart',
},
}
svc_systemd[f'docker-{app}'] = {
'needs': {
*deps,
f'file:/opt/docker-engine/{app}',
f'file:/usr/local/lib/systemd/system/docker-{app}.service',
f'user:docker-{app}',
'svc_systemd:docker',
*set(config.get('needs', set())),
},
}
for volume in volumes:
directories[f'/var/opt/docker-engine/{app}/{volume}'] = {
'owner': f'docker-{app}',
'group': f'docker-{app}',
'needed_by': {
f'svc_systemd:docker-{app}',
},
# don't do anything if the directory exists, docker images
# mangle owners
'unless': f'test -d /var/opt/docker-engine/{app}/{volume}',
}