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Diffstat (limited to 'libpod/runtime_pod_linux.go')
-rw-r--r--libpod/runtime_pod_linux.go52
1 files changed, 33 insertions, 19 deletions
diff --git a/libpod/runtime_pod_linux.go b/libpod/runtime_pod_linux.go
index 124d0daf8..d667d3a25 100644
--- a/libpod/runtime_pod_linux.go
+++ b/libpod/runtime_pod_linux.go
@@ -9,20 +9,22 @@ import (
"path/filepath"
"strings"
- "github.com/containerd/cgroups"
+ "github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/libpod/events"
+ "github.com/containers/libpod/pkg/cgroups"
+ "github.com/containers/libpod/pkg/rootless"
spec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
// NewPod makes a new, empty pod
-func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (*Pod, error) {
+func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (_ *Pod, Err error) {
r.lock.Lock()
defer r.lock.Unlock()
if !r.valid {
- return nil, ErrRuntimeStopped
+ return nil, define.ErrRuntimeStopped
}
pod, err := newPod(r)
@@ -58,6 +60,14 @@ func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (*Pod,
pod.lock = lock
pod.config.LockID = pod.lock.ID()
+ defer func() {
+ if Err != nil {
+ if err := pod.lock.Free(); err != nil {
+ logrus.Errorf("Error freeing pod lock after failed creation: %v", err)
+ }
+ }
+ }()
+
pod.valid = true
// Check CGroup parent sanity, and set it if it was not set
@@ -66,7 +76,7 @@ func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (*Pod,
if pod.config.CgroupParent == "" {
pod.config.CgroupParent = CgroupfsDefaultCgroupParent
} else if strings.HasSuffix(path.Base(pod.config.CgroupParent), ".slice") {
- return nil, errors.Wrapf(ErrInvalidArg, "systemd slice received as cgroup parent when using cgroupfs")
+ return nil, errors.Wrapf(define.ErrInvalidArg, "systemd slice received as cgroup parent when using cgroupfs")
}
// If we are set to use pod cgroups, set the cgroup parent that
// all containers in the pod will share
@@ -77,9 +87,13 @@ func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (*Pod,
}
case SystemdCgroupsManager:
if pod.config.CgroupParent == "" {
- pod.config.CgroupParent = SystemdDefaultCgroupParent
+ if rootless.IsRootless() {
+ pod.config.CgroupParent = SystemdDefaultRootlessCgroupParent
+ } else {
+ pod.config.CgroupParent = SystemdDefaultCgroupParent
+ }
} else if len(pod.config.CgroupParent) < 6 || !strings.HasSuffix(path.Base(pod.config.CgroupParent), ".slice") {
- return nil, errors.Wrapf(ErrInvalidArg, "did not receive systemd slice as cgroup parent when using systemd to manage cgroups")
+ return nil, errors.Wrapf(define.ErrInvalidArg, "did not receive systemd slice as cgroup parent when using systemd to manage cgroups")
}
// If we are set to use pod cgroups, set the cgroup parent that
// all containers in the pod will share
@@ -91,7 +105,7 @@ func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (*Pod,
pod.state.CgroupPath = cgroupPath
}
default:
- return nil, errors.Wrapf(ErrInvalidArg, "unsupported CGroup manager: %s - cannot validate cgroup parent", r.config.CgroupManager)
+ return nil, errors.Wrapf(define.ErrInvalidArg, "unsupported CGroup manager: %s - cannot validate cgroup parent", r.config.CgroupManager)
}
if pod.config.UsePodCgroup {
@@ -107,15 +121,17 @@ func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (*Pod,
if err := r.state.AddPod(pod); err != nil {
return nil, errors.Wrapf(err, "error adding pod to state")
}
+ defer func() {
+ if Err != nil {
+ if err := r.removePod(ctx, pod, true, true); err != nil {
+ logrus.Errorf("Error removing pod after pause container creation failure: %v", err)
+ }
+ }
+ }()
if pod.HasInfraContainer() {
ctr, err := r.createInfraContainer(ctx, pod)
if err != nil {
- // Tear down pod, as it is assumed a the pod will contain
- // a pause container, and it does not.
- if err2 := r.removePod(ctx, pod, true, true); err2 != nil {
- logrus.Errorf("Error removing pod after pause container creation failure: %v", err2)
- }
return nil, errors.Wrapf(err, "error adding Infra Container")
}
pod.state.InfraContainerID = ctr.ID()
@@ -146,7 +162,7 @@ func (r *Runtime) removePod(ctx context.Context, p *Pod, removeCtrs, force bool)
force = true
}
if !removeCtrs && numCtrs > 0 {
- return errors.Wrapf(ErrCtrExists, "pod %s contains containers and cannot be removed", p.ID())
+ return errors.Wrapf(define.ErrCtrExists, "pod %s contains containers and cannot be removed", p.ID())
}
// Go through and lock all containers so we can operate on them all at
@@ -182,9 +198,8 @@ func (r *Runtime) removePod(ctx context.Context, p *Pod, removeCtrs, force bool)
// would prevent removing the CGroups.
if p.runtime.config.CgroupManager == CgroupfsCgroupsManager {
// Get the conmon CGroup
- v1CGroups := GetV1CGroups(getExcludedCGroups())
conmonCgroupPath := filepath.Join(p.state.CgroupPath, "conmon")
- conmonCgroup, err := cgroups.Load(v1CGroups, cgroups.StaticPath(conmonCgroupPath))
+ conmonCgroup, err := cgroups.Load(conmonCgroupPath)
if err != nil && err != cgroups.ErrCgroupDeleted {
if removalErr == nil {
removalErr = errors.Wrapf(err, "error retrieving pod %s conmon cgroup %s", p.ID(), conmonCgroupPath)
@@ -249,9 +264,8 @@ func (r *Runtime) removePod(ctx context.Context, p *Pod, removeCtrs, force bool)
// Make sure the conmon cgroup is deleted first
// Since the pod is almost gone, don't bother failing
// hard - instead, just log errors.
- v1CGroups := GetV1CGroups(getExcludedCGroups())
conmonCgroupPath := filepath.Join(p.state.CgroupPath, "conmon")
- conmonCgroup, err := cgroups.Load(v1CGroups, cgroups.StaticPath(conmonCgroupPath))
+ conmonCgroup, err := cgroups.Load(conmonCgroupPath)
if err != nil && err != cgroups.ErrCgroupDeleted {
if removalErr == nil {
removalErr = errors.Wrapf(err, "error retrieving pod %s conmon cgroup", p.ID())
@@ -268,7 +282,7 @@ func (r *Runtime) removePod(ctx context.Context, p *Pod, removeCtrs, force bool)
}
}
}
- cgroup, err := cgroups.Load(v1CGroups, cgroups.StaticPath(p.state.CgroupPath))
+ cgroup, err := cgroups.Load(p.state.CgroupPath)
if err != nil && err != cgroups.ErrCgroupDeleted {
if removalErr == nil {
removalErr = errors.Wrapf(err, "error retrieving pod %s cgroup", p.ID())
@@ -290,7 +304,7 @@ func (r *Runtime) removePod(ctx context.Context, p *Pod, removeCtrs, force bool)
// keep going so we make sure to evict the pod before
// ending up with an inconsistent state.
if removalErr == nil {
- removalErr = errors.Wrapf(ErrInternal, "unrecognized cgroup manager %s when removing pod %s cgroups", p.runtime.config.CgroupManager, p.ID())
+ removalErr = errors.Wrapf(define.ErrInternal, "unrecognized cgroup manager %s when removing pod %s cgroups", p.runtime.config.CgroupManager, p.ID())
} else {
logrus.Errorf("Unknown cgroups manager %s specified - cannot remove pod %s cgroup", p.runtime.config.CgroupManager, p.ID())
}