docker plugin upgrade

内容説明	Upgrade an existing plugin
利用方法	`docker plugin upgrade [OPTIONS] PLUGIN [REMOTE]`

内容説明

Upgrades an existing plugin to the specified remote plugin image. If no remote is specified, Docker will re-pull the current image and use the updated version. All existing references to the plugin will continue to work. The plugin must be disabled before running the upgrade.

オプション

オプション	デフォルト	内容説明
`--disable-content-trust`	`true`	Skip image verification
`--grant-all-permissions`		Grant all permissions necessary to run the plugin
`--skip-remote-check`		Do not check if specified remote plugin matches existing plugin image

利用例

The following example installs vieus/sshfs plugin, uses it to create and use a volume, then upgrades the plugin.

$ docker plugin install vieux/sshfs DEBUG=1

Plugin "vieux/sshfs:next" is requesting the following privileges:
 - network: [host]
 - device: [/dev/fuse]
 - capabilities: [CAP_SYS_ADMIN]
Do you grant the above permissions? [y/N] y
vieux/sshfs:next

$ docker volume create -d vieux/sshfs:next -o sshcmd=root@1.2.3.4:/tmp/shared -o password=XXX sshvolume

sshvolume

$ docker run -it -v sshvolume:/data alpine sh -c "touch /data/hello"

$ docker plugin disable -f vieux/sshfs:next

viex/sshfs:next

# Here docker volume ls doesn't show 'sshfsvolume', since the plugin is disabled
$ docker volume ls

DRIVER              VOLUME NAME

$ docker plugin upgrade vieux/sshfs:next vieux/sshfs:next

Plugin "vieux/sshfs:next" is requesting the following privileges:
 - network: [host]
 - device: [/dev/fuse]
 - capabilities: [CAP_SYS_ADMIN]
Do you grant the above permissions? [y/N] y
Upgrade plugin vieux/sshfs:next to vieux/sshfs:next

$ docker plugin enable vieux/sshfs:next

viex/sshfs:next

$ docker volume ls

DRIVER              VOLUME NAME
viuex/sshfs:next    sshvolume

$ docker run -it -v sshvolume:/data alpine sh -c "ls /data"

hello