The cgroup.Stat() operation is not atomic, so it's possible that the
cgroup is removed during the Stat() call. Catch specific errors that
can occur when the cgroup is missing and validate the existence of the
cgroup path.
If the cgroup is not found, return a more specific error indicating
that the container has been removed.
Closes: https://github.com/containers/podman/issues/23789
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Moving from Go module v4 to v5 prepares us for public releases.
Move done using gomove [1] as with the v3 and v4 moves.
[1] https://github.com/KSubedi/gomove
Signed-off-by: Matt Heon <mheon@redhat.com>
This mirrors how the Docker API handles things, allowing us to be
more compatible with Docker and more verbose on the Libpod API.
Stats are given as per network interface in the container, but
still aggregated for `podman stats` and `podman pod stats`
display (so the CLI does not change, only the Libpod and Compat
APIs).
Signed-off-by: Matt Heon <mheon@redhat.com>
b25b330306782019d7aaf7618cd4598a9ae87250 introduced this behaviour.
It was fine at the time because we didn't support "container update",
so the limit could not be changed at runtime. Since it is not
possible to change the memory limit at runtime, read the limit as
reported from the cgroup.
https://github.com/containers/crun/pull/1217 is required for crun.
Closes: https://github.com/containers/podman/issues/18621
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Fix swapped NetInput and NetOutput container stats. This resulted
in `podman stats` showing outgoing traffic as NetInput and incoming
traffic as NetOutput. This change might be visible or cause problems
for users who are actively relying on those stats for monitoring reasons.
[NO NEW TEST NEEDED]
Signed-off-by: Ingo Becker <ingo@orgizm.net>
This gets c.config.Spec.Linux.Resources, with some nil checks.
Using this means less open coding of the nil-checks, but also the
existing user of this field in moveConmonToCgroupAndSignal() was
using ctr.Spec().Linux.Resources instead, and the Spec() call
is very expensive.
[NO NEW TESTS NEEDED] Just minor performance effects
Signed-off-by: Alexander Larsson <alexl@redhat.com>
