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podman
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libpod: pods do not use cgroups if --cgroups=disabled 

do not attempt to use cgroups with pods if the cgroups are disabled.
A similar check is already in place for containers.

Closes: https://github.com/containers/podman/issues/13411

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2022-03-03 13:23:07 +01:00
parent 7877b02aac
commit a901c919ab
No known key found for this signature in database
GPG Key ID: 67E38F7A8BA21772
2 changed files with 42 additions and 34 deletions
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3
libpod/runtime_pod_linux.go
View File

@ -1,3 +1,4 @@
//go:build linux
// +build linux
package libpod
@ -59,6 +60,7 @@ func (r *Runtime) NewPod(ctx context.Context, p specgen.PodSpecGenerator, option
pod.valid = true
// Check Cgroup parent sanity, and set it if it was not set
if r.config.Cgroups() != "disabled" {
switch r.config.Engine.CgroupManager {
case config.CgroupfsCgroupsManager:
canUseCgroup := !rootless.IsRootless() || isRootlessCgroupSet(pod.config.CgroupParent)
@ -104,6 +106,7 @@ func (r *Runtime) NewPod(ctx context.Context, p specgen.PodSpecGenerator, option
default:
return nil, errors.Wrapf(define.ErrInvalidArg, "unsupported Cgroup manager: %s - cannot validate cgroup parent", r.config.Engine.CgroupManager)
}
}
if pod.config.UsePodCgroup {
logrus.Debugf("Got pod cgroup as %s", pod.state.CgroupPath)

5
test/e2e/containers_conf_test.go
View File

@ -562,6 +562,11 @@ var _ = Describe("Verify podman containers.conf usage", func() {
inspect = podmanTest.Podman([]string{"inspect", "--format", "{{ .HostConfig.Cgroups }}", result.OutputToString()})
inspect.WaitWithDefaultTimeout()
Expect(inspect.OutputToString()).To(Equal("disabled"))
// Check we can also create a pod when cgroups=disabled
result = podmanTest.Podman([]string{"pod", "create"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
})
It("podman containers.conf runtime", func() {