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fixed the plugin command docker-runc 

Signed-off-by: Bishal Das <bishalhnj127@gmail.com>
This commit is contained in:
Bishal Das 2022-10-15 00:14:16 +05:30
parent 1d6c6e2367
commit 3da9499e50
1 changed files with 24 additions and 25 deletions
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19
docs/extend/index.md
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@ -14,9 +14,9 @@ keywords: "API, Usage, plugins, documentation, developer"
# Docker Engine managed plugin system # Docker Engine managed plugin system
* [Installing and using a plugin](index.md#installing-and-using-a-plugin) - [Installing and using a plugin](index.md#installing-and-using-a-plugin)
* [Developing a plugin](index.md#developing-a-plugin) - [Developing a plugin](index.md#developing-a-plugin)
* [Debugging plugins](index.md#debugging-plugins) - [Debugging plugins](index.md#debugging-plugins)
Docker Engine's plugin system allows you to install, start, stop, and remove Docker Engine's plugin system allows you to install, start, stop, and remove
plugins using Docker Engine. plugins using Docker Engine.
@ -115,6 +115,7 @@ enabled, and use it to create a volume.
``` ```
6. Remove the volume `sshvolume` 6. Remove the volume `sshvolume`
```console ```console
$ docker volume rm sshvolume $ docker volume rm sshvolume
@ -126,15 +127,15 @@ remove it, use the `docker plugin remove` command. For other available
commands and options, see the commands and options, see the
[command line reference](https://docs.docker.com/engine/reference/commandline/cli/). [command line reference](https://docs.docker.com/engine/reference/commandline/cli/).
## Developing a plugin ## Developing a plugin
#### The rootfs directory #### The rootfs directory
The `rootfs` directory represents the root filesystem of the plugin. In this The `rootfs` directory represents the root filesystem of the plugin. In this
example, it was created from a Dockerfile: example, it was created from a Dockerfile:
> **Note:** The `/run/docker/plugins` directory is mandatory inside of the > **Note:** The `/run/docker/plugins` directory is mandatory inside of the
plugin's filesystem for docker to communicate with the plugin. > plugin's filesystem for docker to communicate with the plugin.
```console ```console
$ git clone https://github.com/vieux/docker-volume-sshfs $ git clone https://github.com/vieux/docker-volume-sshfs
@ -187,7 +188,6 @@ After that the plugin `<plugin-name>` will show up in `docker plugin ls`.
Plugins can be pushed to remote registries with Plugins can be pushed to remote registries with
`docker plugin push <plugin-name>`. `docker plugin push <plugin-name>`.
## Debugging plugins ## Debugging plugins
Stdout of a plugin is redirected to dockerd logs. Such entries have a Stdout of a plugin is redirected to dockerd logs. Such entries have a
@ -226,7 +226,7 @@ plugins. This is specifically useful to collect plugin logs if they are
redirected to a file. redirected to a file.
```console ```console
$ sudo docker-runc --root /var/run/docker/plugins/runtime-root/moby-plugins list $ sudo runc --root /run/docker/runtime-runc/plugins.moby list
ID PID STATUS BUNDLE CREATED OWNER ID PID STATUS BUNDLE CREATED OWNER
93f1e7dbfe11c938782c2993628c895cf28e2274072c4a346a6002446c949b25 15806 running /run/docker/containerd/daemon/io.containerd.runtime.v1.linux/moby-plugins/93f1e7dbfe11c938782c2993628c895cf28e2274072c4a346a6002446c949b25 2018-02-08T21:40:08.621358213Z root 93f1e7dbfe11c938782c2993628c895cf28e2274072c4a346a6002446c949b25 15806 running /run/docker/containerd/daemon/io.containerd.runtime.v1.linux/moby-plugins/93f1e7dbfe11c938782c2993628c895cf28e2274072c4a346a6002446c949b25 2018-02-08T21:40:08.621358213Z root
@ -235,14 +235,14 @@ c5bb4b90941efcaccca999439ed06d6a6affdde7081bb34dc84126b57b3e793d 14984 r
``` ```
```console ```console
$ sudo docker-runc --root /var/run/docker/plugins/runtime-root/moby-plugins exec 93f1e7dbfe11c938782c2993628c895cf28e2274072c4a346a6002446c949b25 cat /var/log/plugin.log $ sudo runc --root /run/docker/runtime-runc/plugins.moby exec 93f1e7dbfe11c938782c2993628c895cf28e2274072c4a346a6002446c949b25 cat /var/log/plugin.log
``` ```
If the plugin has a built-in shell, then exec into the plugin can be done as If the plugin has a built-in shell, then exec into the plugin can be done as
follows: follows:
```console ```console
$ sudo docker-runc --root /var/run/docker/plugins/runtime-root/moby-plugins exec -t 93f1e7dbfe11c938782c2993628c895cf28e2274072c4a346a6002446c949b25 sh $ sudo runc --root /run/docker/runtime-runc/plugins.moby exec -t 93f1e7dbfe11c938782c2993628c895cf28e2274072c4a346a6002446c949b25 sh
``` ```
#### Using curl to debug plugin socket issues. #### Using curl to debug plugin socket issues.
@ -253,7 +253,6 @@ docker host to volume and network plugins using curl 7.47.0 to ensure that
the plugin is listening on the said socket. For a well functioning plugin, the plugin is listening on the said socket. For a well functioning plugin,
these basic requests should work. Note that plugin sockets are available on the host under `/var/run/docker/plugins/<pluginID>` these basic requests should work. Note that plugin sockets are available on the host under `/var/run/docker/plugins/<pluginID>`
```console ```console
$ curl -H "Content-Type: application/json" -XPOST -d '{}' --unix-socket /var/run/docker/plugins/e8a37ba56fc879c991f7d7921901723c64df6b42b87e6a0b055771ecf8477a6d/plugin.sock http:/VolumeDriver.List $ curl -H "Content-Type: application/json" -XPOST -d '{}' --unix-socket /var/run/docker/plugins/e8a37ba56fc879c991f7d7921901723c64df6b42b87e6a0b055771ecf8477a6d/plugin.sock http:/VolumeDriver.List