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Merge pull request #9754 from mheon/add_dep

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Add --requires flag to podman run/create
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OpenShift Merge Robot
2021-04-06 16:16:49 -04:00
committed by GitHub
parent b7dd714532 6acd265306
commit d83f49ef6b
17 changed files with 138 additions and 18 deletions
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27
docs/source/markdown/podman-create.1.md
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@ -781,6 +781,12 @@ If container is running in --read-only mode, then mount a read-write tmpfs on /r
If another container with the same name already exists, replace and remove it. The default is **false**.
#### **\-\-requires**=**container**
Specify one or more requirements.
A requirement is a dependency container that will be started before this container.
Containers can be specified by name or ID, with multiple containers being separated by commas.
#### **\-\-restart**=*policy*
Restart policy to follow when containers exit.
@ -1250,6 +1256,25 @@ $ podman create --tz=Asia/Shanghai alpine date
$ podman create --tz=US/Eastern alpine date
```
### Adding dependency containers
Podman will make sure the first container, container1, is running before the second container (container2) is started.
```
$ podman create --name container1 -t -i fedora bash
$ podman create --name container2 --requires container1 -t -i fedora bash
$ podman start --attach container2
```
Multiple containers can be required.
```
$ podman create --name container1 -t -i fedora bash
$ podman create --name container2 -t -i fedora bash
$ podman create --name container3 --requires container1,container2 -t -i fedora bash
$ podman start --attach container3
```
### Rootless Containers
Podman runs as a non root user on most systems. This feature requires that a new enough version of shadow-utils
@ -1297,7 +1322,7 @@ b
NOTE: Use the environment variable `TMPDIR` to change the temporary storage location of downloaded container images. Podman defaults to use `/var/tmp`.
## SEE ALSO
**podman**(1), **podman-secret**(1), **podman-save**(1), **podman-ps**(1), **podman-attach**(1), **podman-pod-create**(1), **podman-port**(1), **podman-kill**(1), **podman-stop**(1),
**podman**(1), **podman-secret**(1), **podman-save**(1), **podman-ps**(1), **podman-attach**(1), **podman-pod-create**(1), **podman-port**(1), **podman-start*(1), **podman-kill**(1), **podman-stop**(1),
**podman-generate-systemd**(1) **podman-rm**(1), **subgid**(5), **subuid**(5), **containers.conf**(5), **systemd.unit**(5), **setsebool**(8), **slirp4netns**(1), **fuse-overlayfs**(1), **proc**(5)**.
## HISTORY

26
docs/source/markdown/podman-run.1.md
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@ -825,6 +825,12 @@ If container is running in **\-\-read-only** mode, then mount a read-write tmpfs
If another container with the same name already exists, replace and remove it. The default is **false**.
#### **\-\-requires**=**container**
Specify one or more requirements.
A requirement is a dependency container that will be started before this container.
Containers can be specified by name or ID, with multiple containers being separated by commas.
#### **\-\-restart**=*policy*
Restart policy to follow when containers exit.
@ -1612,6 +1618,24 @@ $ podman run --tz=Asia/Shanghai alpine date
$ podman run --tz=US/Eastern alpine date
```
### Adding dependency containers
The first container, container1, is not started initially, but must be running before container2 will start.
The `podman run` command will start the container automatically before starting container2.
```
$ podman create --name container1 -t -i fedora bash
$ podman run --name container2 --requires container1 -t -i fedora bash
```
Multiple containers can be required.
```
$ podman create --name container1 -t -i fedora bash
$ podman create --name container2 -t -i fedora bash
$ podman run --name container3 --requires container1,container2 -t -i fedora bash
```
### Rootless Containers
Podman runs as a non root user on most systems. This feature requires that a new enough version of **shadow-utils**
@ -1657,7 +1681,7 @@ b
NOTE: Use the environment variable `TMPDIR` to change the temporary storage location of downloaded container images. Podman defaults to use `/var/tmp`.
## SEE ALSO
**podman**(1), **podman-save**(1), **podman-ps**(1), **podman-attach**(1), **podman-pod-create**(1), **podman-port**(1), **podman-kill**(1), **podman-stop**(1),
**podman**(1), **podman-save**(1), **podman-ps**(1), **podman-attach**(1), **podman-pod-create**(1), **podman-port**(1), **podman-start**(1), **podman-kill**(1), **podman-stop**(1),
**podman-generate-systemd**(1) **podman-rm**(1), **subgid**(5), **subuid**(5), **containers.conf**(5), **systemd.unit**(5), **setsebool**(8), **slirp4netns**(1), **fuse-overlayfs**(1), **proc**(5)**.
## HISTORY