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-rw-r--r--libpod/container.go2
-rw-r--r--libpod/container_commit.go17
-rw-r--r--libpod/container_internal.go10
-rw-r--r--libpod/kube.go2
-rw-r--r--libpod/oci_linux.go53
-rw-r--r--libpod/runtime_ctr.go17
6 files changed, 74 insertions, 27 deletions
diff --git a/libpod/container.go b/libpod/container.go
index de4674222..4bf9a1ba9 100644
--- a/libpod/container.go
+++ b/libpod/container.go
@@ -614,7 +614,7 @@ func (c *Container) NewNetNS() bool {
func (c *Container) PortMappings() ([]ocicni.PortMapping, error) {
// First check if the container belongs to a network namespace (like a pod)
if len(c.config.NetNsCtr) > 0 {
- netNsCtr, err := c.runtime.LookupContainer(c.config.NetNsCtr)
+ netNsCtr, err := c.runtime.GetContainer(c.config.NetNsCtr)
if err != nil {
return nil, errors.Wrapf(err, "unable to lookup network namespace for container %s", c.ID())
}
diff --git a/libpod/container_commit.go b/libpod/container_commit.go
index 0604a550b..db67f7a30 100644
--- a/libpod/container_commit.go
+++ b/libpod/container_commit.go
@@ -20,10 +20,11 @@ import (
//libpod
type ContainerCommitOptions struct {
buildah.CommitOptions
- Pause bool
- Author string
- Message string
- Changes []string
+ Pause bool
+ IncludeVolumes bool
+ Author string
+ Message string
+ Changes []string
}
// ChangeCmds is the list of valid Changes commands to passed to the Commit call
@@ -113,9 +114,11 @@ func (c *Container) Commit(ctx context.Context, destImage string, options Contai
// User
importBuilder.SetUser(c.User())
// Volumes
- for _, v := range c.config.UserVolumes {
- if v != "" {
- importBuilder.AddVolume(v)
+ if options.IncludeVolumes {
+ for _, v := range c.config.UserVolumes {
+ if v != "" {
+ importBuilder.AddVolume(v)
+ }
}
}
// Workdir
diff --git a/libpod/container_internal.go b/libpod/container_internal.go
index 3c7319963..aa6448f4a 100644
--- a/libpod/container_internal.go
+++ b/libpod/container_internal.go
@@ -350,7 +350,7 @@ func (c *Container) teardownStorage() error {
artifacts := filepath.Join(c.config.StaticDir, artifactsDir)
if err := os.RemoveAll(artifacts); err != nil {
- return errors.Wrapf(err, "error removing artifacts %q", artifacts)
+ return errors.Wrapf(err, "error removing container %s artifacts %q", c.ID(), artifacts)
}
if err := c.cleanupStorage(); err != nil {
@@ -676,7 +676,7 @@ func (c *Container) getAllDependencies(visited map[string]*Container) error {
}
for _, depID := range depIDs {
if _, ok := visited[depID]; !ok {
- dep, err := c.runtime.state.LookupContainer(depID)
+ dep, err := c.runtime.state.Container(depID)
if err != nil {
return err
}
@@ -1113,13 +1113,13 @@ func (c *Container) cleanup(ctx context.Context) error {
// Remove healthcheck unit/timer file if it execs
if c.config.HealthCheckConfig != nil {
if err := c.removeTimer(); err != nil {
- logrus.Error(err)
+ logrus.Errorf("Error removing timer for container %s healthcheck: %v", c.ID(), err)
}
}
// Clean up network namespace, if present
if err := c.cleanupNetwork(); err != nil {
- lastError = err
+ lastError = errors.Wrapf(err, "error removing container %s network", c.ID())
}
// Unmount storage
@@ -1127,7 +1127,7 @@ func (c *Container) cleanup(ctx context.Context) error {
if lastError != nil {
logrus.Errorf("Error unmounting container %s storage: %v", c.ID(), err)
} else {
- lastError = err
+ lastError = errors.Wrapf(err, "error unmounting container %s storage", c.ID())
}
}
diff --git a/libpod/kube.go b/libpod/kube.go
index 484127870..260269b2e 100644
--- a/libpod/kube.go
+++ b/libpod/kube.go
@@ -69,7 +69,7 @@ func (p *Pod) getInfraContainer() (*Container, error) {
if err != nil {
return nil, err
}
- return p.runtime.LookupContainer(infraID)
+ return p.runtime.GetContainer(infraID)
}
// GenerateKubeServiceFromV1Pod creates a v1 service object from a v1 pod object
diff --git a/libpod/oci_linux.go b/libpod/oci_linux.go
index 8c0abad80..01f7c3649 100644
--- a/libpod/oci_linux.go
+++ b/libpod/oci_linux.go
@@ -3,15 +3,20 @@
package libpod
import (
+ "fmt"
"os"
"os/exec"
"path/filepath"
+ "runtime"
"strings"
"syscall"
"github.com/containerd/cgroups"
+ "github.com/containers/libpod/pkg/rootless"
"github.com/containers/libpod/utils"
+ pmount "github.com/containers/storage/pkg/mount"
spec "github.com/opencontainers/runtime-spec/specs-go"
+ "github.com/pkg/errors"
"github.com/sirupsen/logrus"
"golang.org/x/sys/unix"
)
@@ -91,6 +96,54 @@ func (r *OCIRuntime) createContainer(ctr *Container, cgroupParent string, restor
return err
}
}
+
+ // if we are running a non privileged container, be sure to umount some kernel paths so they are not
+ // bind mounted inside the container at all.
+ if !ctr.config.Privileged && !rootless.IsRootless() {
+ ch := make(chan error)
+ go func() {
+ runtime.LockOSThread()
+ err := func() error {
+ fd, err := os.Open(fmt.Sprintf("/proc/%d/task/%d/ns/mnt", os.Getpid(), unix.Gettid()))
+ if err != nil {
+ return err
+ }
+ defer fd.Close()
+
+ // create a new mountns on the current thread
+ if err = unix.Unshare(unix.CLONE_NEWNS); err != nil {
+ return err
+ }
+ defer unix.Setns(int(fd.Fd()), unix.CLONE_NEWNS)
+
+ // don't spread our mounts around. We are setting only /sys to be slave
+ // so that the cleanup process is still able to umount the storage and the
+ // changes are propagated to the host.
+ err = unix.Mount("/sys", "/sys", "none", unix.MS_REC|unix.MS_SLAVE, "")
+ if err != nil {
+ return errors.Wrapf(err, "cannot make /sys slave")
+ }
+
+ mounts, err := pmount.GetMounts()
+ if err != nil {
+ return err
+ }
+ for _, m := range mounts {
+ if !strings.HasPrefix(m.Mountpoint, "/sys/kernel") {
+ continue
+ }
+ err = unix.Unmount(m.Mountpoint, 0)
+ if err != nil {
+ return errors.Wrapf(err, "cannot unmount %s", m.Mountpoint)
+ }
+ }
+ return r.createOCIContainer(ctr, cgroupParent, restoreOptions)
+ }()
+ ch <- err
+ }()
+ err := <-ch
+ return err
+ }
}
return r.createOCIContainer(ctr, cgroupParent, restoreOptions)
}
diff --git a/libpod/runtime_ctr.go b/libpod/runtime_ctr.go
index 800b42851..48c254c0f 100644
--- a/libpod/runtime_ctr.go
+++ b/libpod/runtime_ctr.go
@@ -372,7 +372,7 @@ func (r *Runtime) removeContainer(ctx context.Context, c *Container, force bool,
// Clean up network namespace, cgroups, mounts
if err := c.cleanup(ctx); err != nil {
if cleanupErr == nil {
- cleanupErr = err
+ cleanupErr = errors.Wrapf(err, "error cleaning up container %s", c.ID())
} else {
logrus.Errorf("cleanup network, cgroups, mounts: %v", err)
}
@@ -404,12 +404,14 @@ func (r *Runtime) removeContainer(ctx context.Context, c *Container, force bool,
// Deallocate the container's lock
if err := c.lock.Free(); err != nil {
if cleanupErr == nil {
- cleanupErr = err
+ cleanupErr = errors.Wrapf(err, "error freeing lock for container %s", c.ID())
} else {
logrus.Errorf("free container lock: %v", err)
}
}
+ c.newContainerEvent(events.Remove)
+
if !removeVolume {
return cleanupErr
}
@@ -425,7 +427,6 @@ func (r *Runtime) removeContainer(ctx context.Context, c *Container, force bool,
}
}
- c.newContainerEvent(events.Remove)
return cleanupErr
}
@@ -547,16 +548,6 @@ func (r *Runtime) GetLatestContainer() (*Container, error) {
return ctrs[lastCreatedIndex], nil
}
-// Export is the libpod portion of exporting a container to a tar file
-func (r *Runtime) Export(name string, path string) error {
- ctr, err := r.LookupContainer(name)
- if err != nil {
- return err
- }
- return ctr.Export(path)
-
-}
-
// RemoveContainersFromStorage attempt to remove containers from storage that do not exist in libpod database
func (r *Runtime) RemoveContainersFromStorage(ctrs []string) {
for _, i := range ctrs {