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| author | Viacheslav Hletenko <v.gletenko@vyos.io> | 2022-02-19 18:06:27 +0000 |
|---|---|---|
| committer | Viacheslav Hletenko <v.gletenko@vyos.io> | 2022-02-19 20:16:17 +0000 |
| commit | cf36ced75094a519682875e0e73571824f34b6ec (patch) | |
| tree | 4895eb3c8b98d64f88ea3b8fd58ad73c75692137 | |
| parent | 29ba813fb65b8b292105cdae4f8f71fcce6350a1 (diff) | |
| download | vyos-1x-cf36ced75094a519682875e0e73571824f34b6ec.tar.gz vyos-1x-cf36ced75094a519682875e0e73571824f34b6ec.zip | |
containers: T4249: Allow to connect host device to the container
Ability to attach host devices to the container
It can be disk, USB device or any device from the directory /dev
set container name alp01 device disk source '/dev/vdb1'
set container name alp01 device disk destination '/dev/mydisk'
| -rw-r--r-- | interface-definitions/containers.xml.in | 25 | ||||
| -rwxr-xr-x | src/conf_mode/containers.py | 22 |
2 files changed, 46 insertions, 1 deletions
diff --git a/interface-definitions/containers.xml.in b/interface-definitions/containers.xml.in index 30c7110b8..07686b16e 100644 --- a/interface-definitions/containers.xml.in +++ b/interface-definitions/containers.xml.in @@ -58,6 +58,31 @@ </properties> </leafNode> #include <include/generic-description.xml.i> + <tagNode name="device"> + <properties> + <help>Add a host device to the container</help> + </properties> + <children> + <leafNode name="source"> + <properties> + <help>Source device (Example: "/dev/x")</help> + <valueHelp> + <format>txt</format> + <description>Source device</description> + </valueHelp> + </properties> + </leafNode> + <leafNode name="destination"> + <properties> + <help>Destination container device (Example: "/dev/x")</help> + <valueHelp> + <format>txt</format> + <description>Destination container device</description> + </valueHelp> + </properties> + </leafNode> + </children> + </tagNode> #include <include/generic-disable-node.xml.i> <tagNode name="environment"> <properties> diff --git a/src/conf_mode/containers.py b/src/conf_mode/containers.py index 26c50cab6..516671844 100755 --- a/src/conf_mode/containers.py +++ b/src/conf_mode/containers.py @@ -122,6 +122,18 @@ def verify(container): raise ConfigError(f'IP address "{address}" can not be used for a container, '\ 'reserved for the container engine!') + if 'device' in container_config: + for dev, dev_config in container_config['device'].items(): + if 'source' not in dev_config: + raise ConfigError(f'Device "{dev}" has no source path configured!') + + if 'destination' not in dev_config: + raise ConfigError(f'Device "{dev}" has no destination path configured!') + + source = dev_config['source'] + if not os.path.exists(source): + raise ConfigError(f'Device "{dev}" source path "{source}" does not exist!') + if 'environment' in container_config: for var, cfg in container_config['environment'].items(): if 'value' not in cfg: @@ -266,6 +278,14 @@ def apply(container): c = c.replace('-', '_') cap_add += f' --cap-add={c}' + # Add a host device to the container /dev/x:/dev/x + device = '' + if 'device' in container_config: + for dev, dev_config in container_config['device'].items(): + source_dev = dev_config['source'] + dest_dev = dev_config['destination'] + device += f' --device={source_dev}:{dest_dev}' + # Check/set environment options "-e foo=bar" env_opt = '' if 'environment' in container_config: @@ -296,7 +316,7 @@ def apply(container): container_base_cmd = f'podman run --detach --interactive --tty --replace {cap_add} ' \ f'--memory {memory}m --memory-swap 0 --restart {restart} ' \ - f'--name {name} {port} {volume} {env_opt}' + f'--name {name} {device} {port} {volume} {env_opt}' if 'allow_host_networks' in container_config: run(f'{container_base_cmd} --net host {image}') else: |