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Diffstat (limited to 'libpod/runtime_ctr.go')
-rw-r--r--libpod/runtime_ctr.go82
1 files changed, 42 insertions, 40 deletions
diff --git a/libpod/runtime_ctr.go b/libpod/runtime_ctr.go
index a169d30f7..633d26fe1 100644
--- a/libpod/runtime_ctr.go
+++ b/libpod/runtime_ctr.go
@@ -8,20 +8,17 @@ import (
"strings"
"time"
+ config2 "github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/libpod/events"
"github.com/containers/libpod/pkg/rootless"
"github.com/containers/storage/pkg/stringid"
spec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/opencontainers/runtime-tools/generate"
- opentracing "github.com/opentracing/opentracing-go"
+ "github.com/opentracing/opentracing-go"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
-// CtrRemoveTimeout is the default number of seconds to wait after stopping a container
-// before sending the kill signal
-const CtrRemoveTimeout = 10
-
// Contains the public Runtime API for containers
// A CtrCreateOption is a functional option which alters the Container created
@@ -38,7 +35,7 @@ func (r *Runtime) NewContainer(ctx context.Context, rSpec *spec.Spec, options ..
r.lock.Lock()
defer r.lock.Unlock()
if !r.valid {
- return nil, ErrRuntimeStopped
+ return nil, config2.ErrRuntimeStopped
}
return r.newContainer(ctx, rSpec, options...)
}
@@ -48,7 +45,7 @@ func (r *Runtime) RestoreContainer(ctx context.Context, rSpec *spec.Spec, config
r.lock.Lock()
defer r.lock.Unlock()
if !r.valid {
- return nil, ErrRuntimeStopped
+ return nil, config2.ErrRuntimeStopped
}
ctr, err := r.initContainerVariables(rSpec, config)
@@ -60,7 +57,7 @@ func (r *Runtime) RestoreContainer(ctx context.Context, rSpec *spec.Spec, config
func (r *Runtime) initContainerVariables(rSpec *spec.Spec, config *ContainerConfig) (c *Container, err error) {
if rSpec == nil {
- return nil, errors.Wrapf(ErrInvalidArg, "must provide a valid runtime spec to create container")
+ return nil, errors.Wrapf(config2.ErrInvalidArg, "must provide a valid runtime spec to create container")
}
ctr := new(Container)
ctr.config = new(ContainerConfig)
@@ -93,7 +90,7 @@ func (r *Runtime) initContainerVariables(rSpec *spec.Spec, config *ContainerConf
ctr.state.BindMounts = make(map[string]string)
- ctr.config.StopTimeout = CtrRemoveTimeout
+ ctr.config.StopTimeout = config2.CtrRemoveTimeout
ctr.config.OCIRuntime = r.defaultOCIRuntime.name
@@ -136,8 +133,16 @@ func (r *Runtime) setupContainer(ctx context.Context, ctr *Container) (c *Contai
ctr.config.LockID = ctr.lock.ID()
logrus.Debugf("Allocated lock %d for container %s", ctr.lock.ID(), ctr.ID())
+ defer func() {
+ if err != nil {
+ if err2 := ctr.lock.Free(); err2 != nil {
+ logrus.Errorf("Error freeing lock for container after creation failed: %v", err2)
+ }
+ }
+ }()
+
ctr.valid = true
- ctr.state.State = ContainerStateConfigured
+ ctr.state.State = config2.ContainerStateConfigured
ctr.runtime = r
if ctr.config.OCIRuntime == "" {
@@ -145,7 +150,7 @@ func (r *Runtime) setupContainer(ctx context.Context, ctr *Container) (c *Contai
} else {
ociRuntime, ok := r.ociRuntimes[ctr.config.OCIRuntime]
if !ok {
- return nil, errors.Wrapf(ErrInvalidArg, "requested OCI runtime %s is not available", ctr.config.OCIRuntime)
+ return nil, errors.Wrapf(config2.ErrInvalidArg, "requested OCI runtime %s is not available", ctr.config.OCIRuntime)
}
ctr.ociRuntime = ociRuntime
}
@@ -178,14 +183,14 @@ func (r *Runtime) setupContainer(ctx context.Context, ctr *Container) (c *Contai
return nil, errors.Wrapf(err, "error retrieving pod %s cgroup", pod.ID())
}
if podCgroup == "" {
- return nil, errors.Wrapf(ErrInternal, "pod %s cgroup is not set", pod.ID())
+ return nil, errors.Wrapf(config2.ErrInternal, "pod %s cgroup is not set", pod.ID())
}
ctr.config.CgroupParent = podCgroup
} else {
ctr.config.CgroupParent = CgroupfsDefaultCgroupParent
}
} else if strings.HasSuffix(path.Base(ctr.config.CgroupParent), ".slice") {
- return nil, errors.Wrapf(ErrInvalidArg, "systemd slice received as cgroup parent when using cgroupfs")
+ return nil, errors.Wrapf(config2.ErrInvalidArg, "systemd slice received as cgroup parent when using cgroupfs")
}
case SystemdCgroupsManager:
if ctr.config.CgroupParent == "" {
@@ -195,14 +200,16 @@ func (r *Runtime) setupContainer(ctx context.Context, ctr *Container) (c *Contai
return nil, errors.Wrapf(err, "error retrieving pod %s cgroup", pod.ID())
}
ctr.config.CgroupParent = podCgroup
+ } else if rootless.IsRootless() {
+ ctr.config.CgroupParent = SystemdDefaultRootlessCgroupParent
} else {
ctr.config.CgroupParent = SystemdDefaultCgroupParent
}
} else if len(ctr.config.CgroupParent) < 6 || !strings.HasSuffix(path.Base(ctr.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(config2.ErrInvalidArg, "did not receive systemd slice as cgroup parent when using systemd to manage cgroups")
}
default:
- return nil, errors.Wrapf(ErrInvalidArg, "unsupported CGroup manager: %s - cannot validate cgroup parent", r.config.CgroupManager)
+ return nil, errors.Wrapf(config2.ErrInvalidArg, "unsupported CGroup manager: %s - cannot validate cgroup parent", r.config.CgroupManager)
}
if ctr.restoreFromCheckpoint {
@@ -242,7 +249,7 @@ func (r *Runtime) setupContainer(ctx context.Context, ctr *Container) (c *Contai
if err == nil {
// The volume exists, we're good
continue
- } else if errors.Cause(err) != ErrNoSuchVolume {
+ } else if errors.Cause(err) != config2.ErrNoSuchVolume {
return nil, errors.Wrapf(err, "error retrieving named volume %s for new container", vol.Name)
}
@@ -356,7 +363,7 @@ func (r *Runtime) removeContainer(ctx context.Context, c *Container, force bool,
}
if !r.valid {
- return ErrRuntimeStopped
+ return config2.ErrRuntimeStopped
}
// Update the container to get current state
@@ -372,7 +379,7 @@ func (r *Runtime) removeContainer(ctx context.Context, c *Container, force bool,
}
}
- if c.state.State == ContainerStatePaused {
+ if c.state.State == config2.ContainerStatePaused {
if err := c.ociRuntime.killContainer(c, 9); err != nil {
return err
}
@@ -386,7 +393,7 @@ func (r *Runtime) removeContainer(ctx context.Context, c *Container, force bool,
}
// Check that the container's in a good state to be removed
- if c.state.State == ContainerStateRunning {
+ if c.state.State == config2.ContainerStateRunning {
if err := c.ociRuntime.stopContainer(c, c.StopTimeout()); err != nil {
return errors.Wrapf(err, "cannot remove container %s as it could not be stopped", c.ID())
}
@@ -414,7 +421,7 @@ func (r *Runtime) removeContainer(ctx context.Context, c *Container, force bool,
}
if len(deps) != 0 {
depsStr := strings.Join(deps, ", ")
- return errors.Wrapf(ErrCtrExists, "container %s has dependent containers which must be removed before it: %s", c.ID(), depsStr)
+ return errors.Wrapf(config2.ErrCtrExists, "container %s has dependent containers which must be removed before it: %s", c.ID(), depsStr)
}
}
@@ -424,22 +431,17 @@ func (r *Runtime) removeContainer(ctx context.Context, c *Container, force bool,
// If we're removing the pod, the container will be evicted
// from the state elsewhere
if !removePod {
- if err := r.state.RemoveContainerFromPod(pod, c); err != nil {
- if cleanupErr == nil {
- cleanupErr = err
- } else {
- logrus.Errorf("removing container from pod: %v", err)
- }
- }
- }
- } else {
- if err := r.state.RemoveContainer(c); err != nil {
if cleanupErr == nil {
cleanupErr = err
} else {
- logrus.Errorf("removing container: %v", err)
+ logrus.Errorf("removing container from pod: %v", err)
}
}
+ } else {
+ if err := r.state.RemoveContainer(c); err != nil {
+ cleanupErr = err
+ }
+ logrus.Errorf("removing container: %v", err)
}
// Set container as invalid so it can no longer be used
@@ -466,8 +468,8 @@ func (r *Runtime) removeContainer(ctx context.Context, c *Container, force bool,
// Delete the container.
// Not needed in Configured and Exited states, where the container
// doesn't exist in the runtime
- if c.state.State != ContainerStateConfigured &&
- c.state.State != ContainerStateExited {
+ if c.state.State != config2.ContainerStateConfigured &&
+ c.state.State != config2.ContainerStateExited {
if err := c.delete(ctx); err != nil {
if cleanupErr == nil {
cleanupErr = err
@@ -497,7 +499,7 @@ func (r *Runtime) removeContainer(ctx context.Context, c *Container, force bool,
if !volume.IsCtrSpecific() {
continue
}
- if err := runtime.removeVolume(ctx, volume, false); err != nil && err != ErrNoSuchVolume && err != ErrVolumeBeingUsed {
+ if err := runtime.removeVolume(ctx, volume, false); err != nil && err != config2.ErrNoSuchVolume && err != config2.ErrVolumeBeingUsed {
logrus.Errorf("cleanup volume (%s): %v", v, err)
}
}
@@ -512,7 +514,7 @@ func (r *Runtime) GetContainer(id string) (*Container, error) {
defer r.lock.RUnlock()
if !r.valid {
- return nil, ErrRuntimeStopped
+ return nil, config2.ErrRuntimeStopped
}
return r.state.Container(id)
@@ -524,7 +526,7 @@ func (r *Runtime) HasContainer(id string) (bool, error) {
defer r.lock.RUnlock()
if !r.valid {
- return false, ErrRuntimeStopped
+ return false, config2.ErrRuntimeStopped
}
return r.state.HasContainer(id)
@@ -537,7 +539,7 @@ func (r *Runtime) LookupContainer(idOrName string) (*Container, error) {
defer r.lock.RUnlock()
if !r.valid {
- return nil, ErrRuntimeStopped
+ return nil, config2.ErrRuntimeStopped
}
return r.state.LookupContainer(idOrName)
}
@@ -551,7 +553,7 @@ func (r *Runtime) GetContainers(filters ...ContainerFilter) ([]*Container, error
defer r.lock.RUnlock()
if !r.valid {
- return nil, ErrRuntimeStopped
+ return nil, config2.ErrRuntimeStopped
}
ctrs, err := r.state.AllContainers()
@@ -584,7 +586,7 @@ func (r *Runtime) GetAllContainers() ([]*Container, error) {
func (r *Runtime) GetRunningContainers() ([]*Container, error) {
running := func(c *Container) bool {
state, _ := c.State()
- return state == ContainerStateRunning
+ return state == config2.ContainerStateRunning
}
return r.GetContainers(running)
}
@@ -612,7 +614,7 @@ func (r *Runtime) GetLatestContainer() (*Container, error) {
return nil, errors.Wrapf(err, "unable to find latest container")
}
if len(ctrs) == 0 {
- return nil, ErrNoSuchCtr
+ return nil, config2.ErrNoSuchCtr
}
for containerIndex, ctr := range ctrs {
createdTime := ctr.config.CreatedTime