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| author | OpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com> | 2019-09-11 00:58:46 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-09-11 00:58:46 +0200 |
| commit | 7ac6ed3b4b27621e7aa15da335e65ffa601fb83e (patch) | |
| tree | 397083da135855ec39a94abd834fefc18079607a /pkg | |
| parent | 997c4b56ed2121726e966afe9a102ed16ba78f93 (diff) | |
| parent | c2284962c798a11f3c956ee237f27cfd3b0fcb21 (diff) | |
| download | podman-7ac6ed3b4b27621e7aa15da335e65ffa601fb83e.tar.gz podman-7ac6ed3b4b27621e7aa15da335e65ffa601fb83e.tar.bz2 podman-7ac6ed3b4b27621e7aa15da335e65ffa601fb83e.zip | |
Merge pull request #3581 from mheon/no_cgroups
Support running containers without CGroups
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/spec/createconfig.go | 4 | ||||
| -rw-r--r-- | pkg/spec/spec.go | 12 |
2 files changed, 16 insertions, 0 deletions
diff --git a/pkg/spec/createconfig.go b/pkg/spec/createconfig.go index 3f70e5935..c17172016 100644 --- a/pkg/spec/createconfig.go +++ b/pkg/spec/createconfig.go @@ -64,6 +64,7 @@ type CreateConfig struct { CidFile string ConmonPidFile string Cgroupns string + Cgroups string CgroupParent string // cgroup-parent Command []string // Full command that will be used UserCommand []string // User-entered command (or image CMD) @@ -206,6 +207,9 @@ func (c *CreateConfig) getContainerCreateOptions(runtime *libpod.Runtime, pod *l logrus.Debugf("adding container to pod %s", c.Pod) options = append(options, runtime.WithPod(pod)) } + if c.Cgroups == "disabled" { + options = append(options, libpod.WithNoCgroups()) + } if len(c.PortBindings) > 0 { portBindings, err = c.CreatePortBindings() if err != nil { diff --git a/pkg/spec/spec.go b/pkg/spec/spec.go index 44bbda885..38f9c7306 100644 --- a/pkg/spec/spec.go +++ b/pkg/spec/spec.go @@ -396,6 +396,18 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM } } + switch config.Cgroups { + case "disabled": + if addedResources { + return nil, errors.New("cannot specify resource limits when cgroups are disabled is specified") + } + configSpec.Linux.Resources = &spec.LinuxResources{} + case "enabled", "": + // Do nothing + default: + return nil, errors.New("unrecognized option for cgroups; supported are 'default' and 'disabled'") + } + // Add annotations if configSpec.Annotations == nil { configSpec.Annotations = make(map[string]string) |