Merge pull request #1254 from mheon/systemd_cgroups_default

Switch default CGroup manager to systemd

Makefile

@@ -148,10 +148,10 @@ dbuild: libpodimage
 	docker run --name=${LIBPOD_INSTANCE} --privileged ${LIBPOD_IMAGE} -v ${PWD}:/go/src/${PROJECT} --rm ${ENTRYPOINT} make binaries
 
 test: libpodimage
-	docker run -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e TRAVIS -t --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} ${ENTRYPOINT} make clean all localunit localintegration
+	docker run -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e CGROUP_MANAGER=cgroupfs -e TRAVIS -t --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} ${ENTRYPOINT} make clean all localunit localintegration
 
 integration: libpodimage
-	docker run -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e TRAVIS -t --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} ${ENTRYPOINT} make clean all localintegration
+	docker run -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e CGROUP_MANAGER=cgroupfs -e TRAVIS -t --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} ${ENTRYPOINT} make clean all localintegration
 
 integration.fedora:
 	DIST=Fedora sh .papr_prepare.sh
@@ -160,10 +160,10 @@ integration.centos:
 	DIST=CentOS sh .papr_prepare.sh
 
 shell: libpodimage
-	docker run --tmpfs -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e TRAVIS -it --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} ${ENTRYPOINT} sh
+	docker run --tmpfs -e STORAGE_OPTIONS="--storage-driver=vfs" -e CGROUP_MANAGER=cgroupfs -e TESTFLAGS -e TRAVIS -it --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} ${ENTRYPOINT} sh
 
 testunit: libpodimage
-	docker run -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e TRAVIS -t --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} ${ENTRYPOINT} make localunit
+	docker run -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e CGROUP_MANAGER=cgroupfs -e TRAVIS -t --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} ${ENTRYPOINT} make localunit
 
 localunit: varlink_generate
 	$(GO) test -tags "$(BUILDTAGS)" -cover $(PACKAGES)

contrib/python/podman/test/podman_testcase.py

@@ -39,6 +39,7 @@ class PodmanTestCase(unittest.TestCase):
         tmpdir = os.environ.get('TMPDIR', '/tmp')
         podman_args = [
             '--storage-driver=vfs',
+            '--cgroup-manager=cgroupfs',
             '--root={}/crio'.format(tmpdir),
             '--runroot={}/crio-run'.format(tmpdir),
             '--cni-config-dir={}/cni/net.d'.format(tmpdir),

contrib/python/podman/test/test_runner.sh

@@ -111,6 +111,7 @@ PODMAN_ARGS="--storage-driver=vfs \
   --root=${TMPDIR}/crio \
   --runroot=${TMPDIR}/crio-run \
   --cni-config-dir=$CNI_CONFIG_PATH \
+  --cgroup-manager=cgroupfs \
   "
 if [[ -n $VERBOSE ]]; then
   PODMAN_ARGS="$PODMAN_ARGS --log-level=$LOG_LEVEL"

libpod.conf

@@ -30,7 +30,7 @@ conmon_env_vars = [
 ]
 
 # CGroup Manager - valid values are "systemd" and "cgroupfs"
-cgroup_manager = "cgroupfs"
+cgroup_manager = "systemd"
 
 # Directory for persistent libpod files (database, etc)
 # By default, this will be configured relative to where containers/storage

libpod/runtime.go

@@ -178,7 +178,7 @@ var (
 		ConmonEnvVars: []string{
 			"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
 		},
-		CgroupManager: CgroupfsCgroupsManager,
+		CgroupManager: SystemdCgroupsManager,
 		HooksDir:      hooks.DefaultDir,
 		StaticDir:     filepath.Join(storage.DefaultStoreOptions.GraphRoot, "libpod"),
 		TmpDir:        "",

test/e2e/libpod_suite_test.go

@@ -29,6 +29,7 @@ var (
 	CNI_CONFIG_DIR     string
 	RUNC_BINARY        string
 	INTEGRATION_ROOT   string
+	CGROUP_MANAGER     = "systemd"
 	STORAGE_OPTIONS    = "--storage-driver vfs"
 	ARTIFACT_DIR       = "/tmp/.artifacts"
 	CACHE_IMAGES       = []string{ALPINE, BB, fedoraMinimal, nginx, redis, registry}
@@ -60,6 +61,7 @@ type PodmanTest struct {
 	SignaturePolicyPath string
 	ArtifactPath        string
 	TempDir             string
+	CgroupManager       string
 }
 
 // HostOS is a simple struct for the test os
@@ -141,6 +143,10 @@ func PodmanCreate(tempDir string) PodmanTest {
 	if os.Getenv("STORAGE_OPTIONS") != "" {
 		storageOptions = os.Getenv("STORAGE_OPTIONS")
 	}
+	cgroupManager := CGROUP_MANAGER
+	if os.Getenv("CGROUP_MANAGER") != "" {
+		cgroupManager = os.Getenv("CGROUP_MANAGER")
+	}
 
 	runCBinary := "/usr/bin/runc"
 	CNIConfigDir := "/etc/cni/net.d"
@@ -156,6 +162,7 @@ func PodmanCreate(tempDir string) PodmanTest {
 		SignaturePolicyPath: filepath.Join(INTEGRATION_ROOT, "test/policy.json"),
 		ArtifactPath:        ARTIFACT_DIR,
 		TempDir:             tempDir,
+		CgroupManager:       cgroupManager,
 	}
 
 	// Setup registries.conf ENV variable
@@ -165,8 +172,8 @@ func PodmanCreate(tempDir string) PodmanTest {
 
 //MakeOptions assembles all the podman main options
 func (p *PodmanTest) MakeOptions() []string {
-	return strings.Split(fmt.Sprintf("--root %s --runroot %s --runtime %s --conmon %s --cni-config-dir %s",
+	return strings.Split(fmt.Sprintf("--root %s --runroot %s --runtime %s --conmon %s --cni-config-dir %s --cgroup-manager %s",
-		p.CrioRoot, p.RunRoot, p.RunCBinary, p.ConmonBinary, p.CNIConfigDir), " ")
+		p.CrioRoot, p.RunRoot, p.RunCBinary, p.ConmonBinary, p.CNIConfigDir, p.CgroupManager), " ")
 }
 
 // Podman is the exec call to podman on the filesystem, uid and gid the credentials to use