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Diffstat (limited to 'docs/source/markdown/podman-auto-update.1.md')
| -rw-r--r-- | docs/source/markdown/podman-auto-update.1.md | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/docs/source/markdown/podman-auto-update.1.md b/docs/source/markdown/podman-auto-update.1.md index 93ad22f76..435a767c1 100644 --- a/docs/source/markdown/podman-auto-update.1.md +++ b/docs/source/markdown/podman-auto-update.1.md @@ -13,6 +13,8 @@ If the label is present and set to "image", Podman reaches out to the correspond An image is considered updated if the digest in the local storage is different than the one of the remote image. If an image must be updated, Podman pulls it down and restarts the systemd unit executing the container. +If "io.containers.autoupdate.authfile" label is present, Podman reaches out to corresponding authfile when pulling images. + At container-creation time, Podman looks up the "PODMAN_SYSTEMD_UNIT" environment variables and stores it verbatim in the container's label. This variable is now set by all systemd units generated by `podman-generate-systemd` and is set to `%n` (i.e., the name of systemd unit starting the container). This data is then being used in the auto-update sequence to instruct systemd (via DBUS) to restart the unit and hence to restart the container. @@ -21,11 +23,23 @@ Note that `podman auto-update` relies on systemd and requires a fully-qualified This enforcement is necessary to know which image to actually check and pull. If an image ID was used, Podman would not know which image to check/pull anymore. +## OPTIONS + +**--authfile**=*path* + +Path of the authentication file. Default is ${XDG\_RUNTIME\_DIR}/containers/auth.json, which is set using `podman login`. +If the authorization state is not found there, $HOME/.docker/config.json is checked, which is set using `docker login`. (Not available for remote commands) + +Note: You can also override the default path of the authentication file by setting the REGISTRY\_AUTH\_FILE +environment variable. `export REGISTRY_AUTH_FILE=path` + ## EXAMPLES ``` # Start a container -$ podman run -d busybox:latest top +$ podman run --label "io.containers.autoupdate=image" \ + --label "io.containers.autoupdate.autfile=/some/authfile.json" \ + -d busybox:latest top bc219740a210455fa27deacc96d50a9e20516492f1417507c13ce1533dbdcd9d # Generate a systemd unit for this container |