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Add a new service reaper package. Podman currently does not reap all
child processes. The slirp4netns and rootlesskit processes are not
reaped. The is not a problem for local podman since the podman process
dies before the other processes and then init will reap them for us.
However with podman system service it is possible that the podman
process is still alive after slirp died. In this case podman has to reap
it or the slirp process will be a zombie until the service is stopped.
The service reaper will listen in an extra goroutine on SIGCHLD. Once it
receives this signal it will try to reap all pids that were added with
`AddPID()`. While I would like to just reap all children this is not
possible because many parts of the code use `os/exec` with `cmd.Wait()`.
If we reap before `cmd.Wait()` things can break, so reaping everything
is not an option.
[NO TESTS NEEDED]
Fixes #9777
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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This change adds the entry `host.containers.internal` to the `/etc/hosts`
file within a new containers filesystem. The ip address is determined by
the containers networking configuration and points to the gateway address
for the containers networking namespace.
Closes #5651
Signed-off-by: Baron Lenardson <lenardson.baron@gmail.com>
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The source ip for the rootlesskit port forwarder was hardcoded to the
standard slirp4netns ip. This is incorrect since users can change the
subnet used by slirp4netns with `--network slirp4netns:cidr=10.5.0.0/24`.
The container interface ip is always the .100 in the subnet. Only when
the rootlesskit port forwarder child ip matches the container interface
ip the port forwarding will work.
Fixes #9828
Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
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This should make maintenance easier.
Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
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