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Support running `podman play kube` in systemd by exploiting the
previously added "service containers". During `play kube`, a service
container is started before all the pods and containers, and is stopped
last. The service container communicates its conmon PID via sdnotify.
Add a new systemd template to dispatch such k8s workloads. The argument
of the template is the path to the k8s file. Note that the path must be
escaped for systemd not to bark:
Let's assume we have a `top.yaml` file in the home directory:
```
$ escaped=$(systemd-escape ~/top.yaml)
$ systemctl --user start podman-play-kube@$escaped.service
```
Closes: https://issues.redhat.com/browse/RUN-1287
Signed-off-by: Valentin Rothberg <vrothberg@redhat.com>
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enable cgroup delegation when running as a systemd service so all the
available controllers are correctly detected.
Closes: https://github.com/containers/podman/issues/13710
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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* Replace https://github.com/containers/podman/blob/master
with https://github.com/containers/podman/blob/main
to match the new default branch "main". Previously
the default branch was "master". The substitutions were
made in the documentation but not the code.
Signed-off-by: Erik Sjölund <erik.sjolund@gmail.com>
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Replace `multi-user.target` with `default.target` across the code base.
It seems like the multi-user one is not available for (rootless) users
on F35 anymore is causing issues in all kinds of ways, for instance,
enabling the podman.service or generated systemd units.
Fixes: #12438
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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- change the type to forking to allow fork.
- add default.target for user systemd service
Signed-off-by: Easton Man <manyang.me@outlook.com>
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Don't hardcode /usr/bin/podman in unit files: instead, use
template files with a path replaced at install time.
Because 'make' can be invoked repeatedly, with different
PREFIX, do not leave the generated files behind in our
work directory: wipe them immediately after install.
To get this to work, fix a longstanding bug in podman.spec.in,
a PREFIX that should've been DESTDIR.
Side note: #7023 made contrib/systemd/user a symlink
to .../system but did not update paths in Makefile.
The unrelated-looking path change you see here is
a belated correction for that.
Fixes: #10787
Signed-off-by: Ed Santiago <santiago@redhat.com>
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Require the network to be online in all (generated) systemd units to
make sure that containers and Podman run only after the network has been
fully configured.
Fixes: #10655
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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This makes sure, that the podman auto-update is not executed exactly at midnight for the same time always.
If many things do the same and many services use this keyword and react at midnight, this can cause a lot of stress to a server.
Thus, this adds a 900s/15min delay.
As [the arch wiki says](https://wiki.archlinux.org/title/Systemd/Timers#Realtime_timer):
> Special event expressions like daily and weekly refer to specific start times and thus any timers sharing such calendar events will start simultaneously. Timers sharing start events can cause poor system performance if the timers' services compete for system resources. The RandomizedDelaySec option in the [Timer] section avoids this problem by randomly staggering the start time of each timer. See systemd.timer(5).
Signed-off-by: rugk <rugk+git@posteo.de>
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* Add podman-restart systemd unit file and add it to podman RPM package
* Fix podman start to filter all containers + unit test
Signed-off-by: Boaz Shuster <boaz.shuster.github@gmail.com>
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Extend the systemd auto-update service to prune images after an update
has run. As reported by a user [1], auto updates can over time cause
the disk to run out of space. With Edge being a target use case, we
need to make sure that systems can run without much supervision, so
let's make sure to run `podman image prune` to clean up dangling images.
[1] https://twitter.com/r_isc_y/status/1388981737011793921
Fixes: #10190
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Podman never notifies sytemd that it is ready to recieve connections
so systemd kills it after waiting 1.5 minutes. Changing to exec
should leave it running until podman exits or the service is stopped.
https://github.com/containers/podman/issues/8751
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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* Log endpoint calls at level Info
* Ensure API server started at level Info
Fixes #8390
Signed-off-by: Jhon Honce <jhonce@redhat.com>
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Signed-off-by: Vilgot Fredenberg <vilgot@fredenberg.xyz>
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Commit 2b6dd3fb4384 set the killmode of the podman.service to the
systemd default which ultimately lead to the problem that systemd
will kill *all* processes inside the unit's cgroup and hence kill
all containers whenever the service is stopped.
Fix it by setting the type to sdnotify and the killmode to process.
`podman system service` will send the necessary notify messages
when the NOTIFY_SOCKET is set and unset it right after to prevent
the backend and container runtimes from jumping in between and send
messages as well.
Fixes: #7294
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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podman.service is socket activated through podman.socket. It should not
have its own [Install] section, it does not make sense to systemctl
enable podman.service.
This leads to podman.service always running on a Debian system, as
Debian's policy is to enable/start running services by default.
We don't want a daemon :^)
Fixes: #7190
Reported-by: @martinpitt
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Set the type of the podman.service to simple. This will correctly
report the status of the service once it has started. As a oneshot
service, it does not transition from the startup state to running.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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podman-api(1) does not exist, so set the man page to
podman-system-service(1). Same for the .socket.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Do not hard-set the registries.conf to `/etc/containers/registries.conf`.
Podman (and other c/image users) already default to it. However,
ordinary non-root users should still be able to use the configs in their
home directories which is now possible.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Do not set the killmode to process as it only kills the main process and
leaves other processes untouched. Just remove the line and use the
default cgroup killmode which will kill all processes in the service's
cgroup.
Fixes: #7021
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Remove the stop timeout from the unit. As unit does not specify any
stop command, the timeout is effectively 0 and a NOOP.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Symlink the user to the system services in `contrib/systemd`.
There is no diference between the services, so we can reduce
redundancy while not breaking downstream packages which might
already be referencing `./contrib/systemd/user`.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Add support to auto-update containers running in systemd units as
generated with `podman generate systemd --new`.
`podman auto-update` looks up containers with a specified
"io.containers.autoupdate" label (i.e., the auto-update policy).
If the label is present and set to "image", Podman reaches out to the
corresponding registry to check if the image has been updated. We
consider an image to be 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 container. Note that the
restarting sequence relies on systemd.
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.
Note that this implementation of auto-updates relies on systemd and
requires a fully-qualified image reference to be used to create the
container. This enforcement is necessary to know which image to
actually check and pull. If we used an image ID, we would not know
which image to check/pull anymore.
Fixes: #3575
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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one more update
Signed-off-by: Brent Baude <bbaude@redhat.com>
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the paths and instructions for running the new api via systemd needed updates due to a change in the command.
Signed-off-by: Brent Baude <bbaude@redhat.com>
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Fixed issue where lint was not run on CI, so we missed to prevent regressions.
Signed-off-by: Sorin Sbarnea <ssbarnea@redhat.com>
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Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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* Add ReadMe, CLI and unit files to support socket activation, both for
system and rootless
Signed-off-by: Jhon Honce <jhonce@redhat.com>
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