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Docs: Update volume creation section

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Signed-off-by: Chris Evich <chris_gitlab@icuc.me>
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Chris Evich
2022-12-05 08:15:37 -05:00
parent d36e05d452
commit 75bdc3196f
1 changed files with 20 additions and 15 deletions
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README.md
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@@ -27,21 +27,20 @@ lacks this feature, Several labels are set on the image to support
easy registration and execution of a runner container using a special easy registration and execution of a runner container using a special
bash command. See the examples below for more information. bash command. See the examples below for more information.
#### [Volume Ownership Bug](https://github.com/containers/podman/issues/16576) #### [Volume setup]
Some versions of podman contain a bug where named local volumes aren't owned Since podman inside the container runs as user `podman`, the volumes
by the namespaced user within a rootless container (i.e. the 'podman' user). used by it need to be pre-created with ownership information. While,
Since the `podman` user/group inside the `pipglr` container is known, it's we're at it, might as well add the performance-improving `noatime`,
possible to manually setup ownership ahead of time. This should be be done option as well.
once, prior to registering your runners:
```bash ```bash
$ for VOLUME in pipglr-podman-root pipglr-config pipglr-podman-cache; do \ $ VOLOPTS="o=uid=1000,gid=1000,noatime"; \
for VOLUME in pipglr-podman-root pipglr-config pipglr-podman-cache; do \
podman volume create --opt $VOLOPTS $VOLUME || true ; \
VOLPTH=$(podman unshare podman volume mount $VOLUME) VOLPTH=$(podman unshare podman volume mount $VOLUME)
podman volume create $VOLUME; \ podman unshare chown -c -R 1000:1000 $VOLPTH && \
podman unshare chown -R 1000:1000 $VOLPTH && \ podman unshare chmod -c 02770 $VOLPTH && \
podman unshare chmod 02770 $VOLPTH && \
podman unshare ls -land $VOLPTH ; \
podman unshare podman volume unmount $VOLUME ; \ podman unshare podman volume unmount $VOLUME ; \
done done
``` ```
@@ -49,7 +48,7 @@ $ for VOLUME in pipglr-podman-root pipglr-config pipglr-podman-cache; do \
If you get `podman system service` startup permission-denied errors, or If you get `podman system service` startup permission-denied errors, or
errors from gitlab-runner, unable to connect to the podman socket, this is errors from gitlab-runner, unable to connect to the podman socket, this is
likely the cause. You can fix it after-the-fact using the same commands likely the cause. You can fix it after-the-fact using the same commands
above. additionally target `./*`. above.
#### Runner registration #### Runner registration
@@ -112,6 +111,12 @@ For example, to display the config:
$ podman unshare cat $(podman unshare podman volume mount pipglr-config)/config.toml $ podman unshare cat $(podman unshare podman volume mount pipglr-config)/config.toml
``` ```
Edit the config with your favorite `$EDITOR`:
```bash
$ podman unshare $EDITOR $(podman unshare podman volume mount pipglr-config)/config.toml
```
#### Debugging #### Debugging
The first thing to check is the container output: The first thing to check is the container output:
@@ -120,9 +125,9 @@ The first thing to check is the container output:
$ podman logs --since 0 pipglr $ podman logs --since 0 pipglr
``` ```
Before starting the runner, you may `export PODMAN_RUNNER_DEBUG=debug` to enable Next, try running pipglr after an `export PODMAN_RUNNER_DEBUG=debug` to enable
debugging on the inner-podman. Whereas `export LOG_LEVEL=debug` can be used to debugging on the inner-podman. If more runner detail is needed, you can instead/additionally
debug the gitlab-runner itself. set `export LOG_LEVEL=debug` to debug the gitlab-runner itself.
## Building ## Building