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Added option to share kernel namespaces in libpod and podman

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A pause container is added to the pod if the user opts in. The default pause image and command can be overridden. Pause containers are ignored in ps unless the -a option is present. Pod inspect and pod ps show shared namespaces and pause container. A pause container can't be removed with podman rm, and a pod can be removed if it only has a pause container.

Signed-off-by: haircommander <pehunt@redhat.com>

Closes: #1187
Approved by: mheon
This commit is contained in:
haircommander
2018-07-27 13:58:50 -04:00
committed by Atomic Bot
parent 63dd200e7e
commit d5e690914d
41 changed files with 2575 additions and 391 deletions
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15
test/e2e/libpod_suite_test.go
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@ -32,7 +32,7 @@ var (
CGROUP_MANAGER = "systemd"
STORAGE_OPTIONS = "--storage-driver vfs"
ARTIFACT_DIR = "/tmp/.artifacts"
CACHE_IMAGES = []string{ALPINE, BB, fedoraMinimal, nginx, redis, registry}
CACHE_IMAGES = []string{ALPINE, BB, fedoraMinimal, nginx, redis, registry, pause}
RESTORE_IMAGES = []string{ALPINE, BB}
ALPINE = "docker.io/library/alpine:latest"
BB = "docker.io/library/busybox:latest"
@ -41,6 +41,7 @@ var (
nginx = "quay.io/baude/alpine_nginx:latest"
redis = "docker.io/library/redis:alpine"
registry = "docker.io/library/registry:2"
pause = "k8s.gcr.io/pause:3.1"
defaultWaitTimeout = 90
)
@ -422,6 +423,18 @@ func (p *PodmanTest) RestoreAllArtifacts() error {
return nil
}
// CreatePod creates a pod with no pause container
// it optionally takes a pod name
func (p *PodmanTest) CreatePod(name string) (*PodmanSession, int, string) {
var podmanArgs = []string{"pod", "create", "--pause=false", "--share", ""}
if name != "" {
podmanArgs = append(podmanArgs, "--name", name)
}
session := p.Podman(podmanArgs)
session.WaitWithDefaultTimeout()
return session, session.ExitCode(), session.OutputToString()
}
//RunTopContainer runs a simple container in the background that
// runs top. If the name passed != "", it will have a name
func (p *PodmanTest) RunTopContainer(name string) *PodmanSession {