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| author | Paul Holzinger <paul.holzinger@web.de> | 2020-09-20 19:43:19 +0200 |
|---|---|---|
| committer | Paul Holzinger <paul.holzinger@web.de> | 2020-09-20 22:49:09 +0200 |
| commit | 44d7270a34a0c3578d00858440f2adb53b83ef5e (patch) | |
| tree | 938e1da3637fb32ef81b8be782f85792951b5cdb /docs/source/markdown/podman-run.1.md | |
| parent | 852943516606f32ccc2406f41bcf3df42d7c622c (diff) | |
| download | podman-44d7270a34a0c3578d00858440f2adb53b83ef5e.tar.gz podman-44d7270a34a0c3578d00858440f2adb53b83ef5e.tar.bz2 podman-44d7270a34a0c3578d00858440f2adb53b83ef5e.zip | |
Fix incorrect parsing of create/run --volumes-from
Add a bunch of tests to ensure that --volumes-from
works as expected.
Also align the podman create and run man page.
Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
Diffstat (limited to 'docs/source/markdown/podman-run.1.md')
| -rw-r--r-- | docs/source/markdown/podman-run.1.md | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md index 1a7b36a5e..47aa8827f 100644 --- a/docs/source/markdown/podman-run.1.md +++ b/docs/source/markdown/podman-run.1.md @@ -1100,7 +1100,7 @@ will convert /foo into a shared mount point. Alternatively, one can directly change propagation properties of source mount. Say, if _/_ is source mount for _/foo_, then use **mount --make-shared /** to convert _/_ into a shared mount. -**--volumes-from**[=*container-id*[:*options*]] +**--volumes-from**[=*CONTAINER*[:*OPTIONS*]] Mount volumes from the specified container(s). Used to share volumes between containers. The *options* is a comma delimited list with the following available elements: @@ -1108,19 +1108,23 @@ containers. The *options* is a comma delimited list with the following available * **rw**|**ro** * **z** -You can share volumes even if the source container is not running. +Mounts already mounted volumes from a source container onto another +container. You must supply the source's container-id or container-name. +To share a volume, use the --volumes-from option when running +the target container. You can share volumes even if the source container +is not running. By default, Podman mounts the volumes in the same mode (read-write or read-only) as it is mounted in the source container. -You can change this by adding a **ro** or **rw** _option_. +You can change this by adding a `ro` or `rw` _option_. Labeling systems like SELinux require that proper labels are placed on volume content mounted into a container. Without a label, the security system might prevent the processes running inside the container from using the content. By default, Podman does not change the labels set by the OS. -To change a label in the container context, you can add **z** to the volume mount. -This suffix tells Podman to relabel file objects on the shared volumes. The **z** +To change a label in the container context, you can add `z` to the volume mount. +This suffix tells Podman to relabel file objects on the shared volumes. The `z` option tells Podman that two containers share the volume content. As a result, podman labels the content with a shared content label. Shared volume labels allow all containers to read/write content. |