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========================
Custom Container Service
========================
The orchestrator enables custom containers to be deployed using a YAML file.
A corresponding :ref:`orchestrator-cli-service-spec` must look like:
.. code-block:: yaml
service_type: container
service_id: foo
placement:
...
spec:
image: docker.io/library/foo:latest
entrypoint: /usr/bin/foo
uid: 1000
gid: 1000
args:
- "--net=host"
- "--cpus=2"
ports:
- 8080
- 8443
envs:
- SECRET=mypassword
- PORT=8080
- PUID=1000
- PGID=1000
volume_mounts:
CONFIG_DIR: /etc/foo
bind_mounts:
- ['type=bind', 'source=lib/modules', 'destination=/lib/modules', 'ro=true']
dirs:
- CONFIG_DIR
files:
CONFIG_DIR/foo.conf:
- refresh=true
- username=xyz
- "port: 1234"
where the properties of a service specification are:
* ``service_id``
A unique name of the service.
* ``image``
The name of the Docker image.
* ``uid``
The UID to use when creating directories and files in the host system.
* ``gid``
The GID to use when creating directories and files in the host system.
* ``entrypoint``
Overwrite the default ENTRYPOINT of the image.
* ``args``
A list of additional Podman/Docker command line arguments.
* ``ports``
A list of TCP ports to open in the host firewall.
* ``envs``
A list of environment variables.
* ``bind_mounts``
When you use a bind mount, a file or directory on the host machine
is mounted into the container. Relative `source=...` paths will be
located below `/var/lib/ceph/<cluster-fsid>/<daemon-name>`.
* ``volume_mounts``
When you use a volume mount, a new directory is created within
Docker’s storage directory on the host machine, and Docker manages
that directory’s contents. Relative source paths will be located below
`/var/lib/ceph/<cluster-fsid>/<daemon-name>`.
* ``dirs``
A list of directories that are created below
`/var/lib/ceph/<cluster-fsid>/<daemon-name>`.
* ``files``
A dictionary, where the key is the relative path of the file and the
value the file content. The content must be double quoted when using
a string. Use '\\n' for line breaks in that case. Otherwise define
multi-line content as list of strings. The given files will be created
below the directory `/var/lib/ceph/<cluster-fsid>/<daemon-name>`.
The absolute path of the directory where the file will be created must
exist. Use the `dirs` property to create them if necessary.
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