diff options
Diffstat (limited to 'libpod')
-rw-r--r-- | libpod/boltdb_state_internal.go | 9 | ||||
-rw-r--r-- | libpod/container.go | 13 | ||||
-rw-r--r-- | libpod/container_api.go | 2 | ||||
-rw-r--r-- | libpod/container_config.go | 2 | ||||
-rw-r--r-- | libpod/container_inspect.go | 15 | ||||
-rw-r--r-- | libpod/container_internal.go | 19 | ||||
-rw-r--r-- | libpod/container_internal_linux.go | 52 | ||||
-rw-r--r-- | libpod/container_validate.go | 10 | ||||
-rw-r--r-- | libpod/define/errors.go | 9 | ||||
-rw-r--r-- | libpod/define/podstate.go | 7 | ||||
-rw-r--r-- | libpod/image/utils.go | 3 | ||||
-rw-r--r-- | libpod/options.go | 19 | ||||
-rw-r--r-- | libpod/pod_api.go | 2 | ||||
-rw-r--r-- | libpod/pod_status.go | 8 | ||||
-rw-r--r-- | libpod/runtime_pod_infra_linux.go | 1 |
15 files changed, 152 insertions, 19 deletions
diff --git a/libpod/boltdb_state_internal.go b/libpod/boltdb_state_internal.go index e195ca314..2f485318c 100644 --- a/libpod/boltdb_state_internal.go +++ b/libpod/boltdb_state_internal.go @@ -3,6 +3,7 @@ package libpod import ( "bytes" "os" + "path/filepath" "runtime" "strings" @@ -104,25 +105,25 @@ func checkRuntimeConfig(db *bolt.DB, rt *Runtime) error { }, { "libpod root directory (staticdir)", - rt.config.Engine.StaticDir, + filepath.Clean(rt.config.Engine.StaticDir), staticDirKey, "", }, { "libpod temporary files directory (tmpdir)", - rt.config.Engine.TmpDir, + filepath.Clean(rt.config.Engine.TmpDir), tmpDirKey, "", }, { "storage temporary directory (runroot)", - rt.StorageConfig().RunRoot, + filepath.Clean(rt.StorageConfig().RunRoot), runRootKey, storeOpts.RunRoot, }, { "storage graph root directory (graphroot)", - rt.StorageConfig().GraphRoot, + filepath.Clean(rt.StorageConfig().GraphRoot), graphRootKey, storeOpts.GraphRoot, }, diff --git a/libpod/container.go b/libpod/container.go index 01419500e..ea5a6e09c 100644 --- a/libpod/container.go +++ b/libpod/container.go @@ -235,6 +235,19 @@ type ContainerOverlayVolume struct { Source string `json:"source,omitempty"` } +// ContainerImageVolume is a volume based on a container image. The container +// image is first mounted on the host and is then bind-mounted into the +// container. +type ContainerImageVolume struct { + // Source is the source of the image volume. The image can be referred + // to by name and by ID. + Source string `json:"source"` + // Dest is the absolute path of the mount in the container. + Dest string `json:"dest"` + // ReadWrite sets the volume writable. + ReadWrite bool `json:"rw"` +} + // Config accessors // Unlocked diff --git a/libpod/container_api.go b/libpod/container_api.go index aef37dd59..a9808a30e 100644 --- a/libpod/container_api.go +++ b/libpod/container_api.go @@ -249,7 +249,7 @@ func (c *Container) Attach(streams *define.AttachStreams, keys string, resize <- // attaching, and I really do not want to do that right now. // Send a SIGWINCH after attach succeeds so that most programs will // redraw the screen for the new attach session. - attachRdy := make(chan bool) + attachRdy := make(chan bool, 1) if c.config.Spec.Process != nil && c.config.Spec.Process.Terminal { go func() { <-attachRdy diff --git a/libpod/container_config.go b/libpod/container_config.go index e264da4da..0006613bc 100644 --- a/libpod/container_config.go +++ b/libpod/container_config.go @@ -134,6 +134,8 @@ type ContainerRootFSConfig struct { NamedVolumes []*ContainerNamedVolume `json:"namedVolumes,omitempty"` // OverlayVolumes lists the overlay volumes to mount into the container. OverlayVolumes []*ContainerOverlayVolume `json:"overlayVolumes,omitempty"` + // ImageVolumes lists the image volumes to mount into the container. + ImageVolumes []*ContainerImageVolume `json:"imageVolumes,omitempty"` // CreateWorkingDir indicates that Libpod should create the container's // working directory if it does not exist. Some OCI runtimes do this by // default, but others do not. diff --git a/libpod/container_inspect.go b/libpod/container_inspect.go index b8bce1272..162f70326 100644 --- a/libpod/container_inspect.go +++ b/libpod/container_inspect.go @@ -90,7 +90,7 @@ func (c *Container) getContainerInspectData(size bool, driverData *driver.Data) } namedVolumes, mounts := c.sortUserVolumes(ctrSpec) - inspectMounts, err := c.getInspectMounts(namedVolumes, mounts) + inspectMounts, err := c.getInspectMounts(namedVolumes, c.config.ImageVolumes, mounts) if err != nil { return nil, err } @@ -192,7 +192,7 @@ func (c *Container) getContainerInspectData(size bool, driverData *driver.Data) // Get inspect-formatted mounts list. // Only includes user-specified mounts. Only includes bind mounts and named // volumes, not tmpfs volumes. -func (c *Container) getInspectMounts(namedVolumes []*ContainerNamedVolume, mounts []spec.Mount) ([]define.InspectMount, error) { +func (c *Container) getInspectMounts(namedVolumes []*ContainerNamedVolume, imageVolumes []*ContainerImageVolume, mounts []spec.Mount) ([]define.InspectMount, error) { inspectMounts := []define.InspectMount{} // No mounts, return early @@ -219,6 +219,17 @@ func (c *Container) getInspectMounts(namedVolumes []*ContainerNamedVolume, mount inspectMounts = append(inspectMounts, mountStruct) } + + for _, volume := range imageVolumes { + mountStruct := define.InspectMount{} + mountStruct.Type = "image" + mountStruct.Destination = volume.Dest + mountStruct.Source = volume.Source + mountStruct.RW = volume.ReadWrite + + inspectMounts = append(inspectMounts, mountStruct) + } + for _, mount := range mounts { // It's a mount. // Is it a tmpfs? If so, discard. diff --git a/libpod/container_internal.go b/libpod/container_internal.go index 4ae571de6..cafe70b80 100644 --- a/libpod/container_internal.go +++ b/libpod/container_internal.go @@ -1734,6 +1734,25 @@ func (c *Container) cleanup(ctx context.Context) error { } } + // Unmount image volumes + for _, v := range c.config.ImageVolumes { + img, err := c.runtime.ImageRuntime().NewFromLocal(v.Source) + if err != nil { + if lastError == nil { + lastError = err + continue + } + logrus.Errorf("error unmounting image volume %q:%q :%v", v.Source, v.Dest, err) + } + if err := img.Unmount(false); err != nil { + if lastError == nil { + lastError = err + continue + } + logrus.Errorf("error unmounting image volume %q:%q :%v", v.Source, v.Dest, err) + } + } + return lastError } diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go index a1b4334fb..043924166 100644 --- a/libpod/container_internal_linux.go +++ b/libpod/container_internal_linux.go @@ -39,6 +39,7 @@ import ( "github.com/containers/storage/pkg/idtools" securejoin "github.com/cyphar/filepath-securejoin" runcuser "github.com/opencontainers/runc/libcontainer/user" + "github.com/opencontainers/runtime-spec/specs-go" spec "github.com/opencontainers/runtime-spec/specs-go" "github.com/opencontainers/runtime-tools/generate" "github.com/opencontainers/selinux/go-selinux/label" @@ -368,6 +369,35 @@ func (c *Container) generateSpec(ctx context.Context) (*spec.Spec, error) { g.AddMount(overlayMount) } + // Add image volumes as overlay mounts + for _, volume := range c.config.ImageVolumes { + // Mount the specified image. + img, err := c.runtime.ImageRuntime().NewFromLocal(volume.Source) + if err != nil { + return nil, errors.Wrapf(err, "error creating image volume %q:%q", volume.Source, volume.Dest) + } + mountPoint, err := img.Mount(nil, "") + if err != nil { + return nil, errors.Wrapf(err, "error mounting image volume %q:%q", volume.Source, volume.Dest) + } + + contentDir, err := overlay.TempDir(c.config.StaticDir, c.RootUID(), c.RootGID()) + if err != nil { + return nil, errors.Wrapf(err, "failed to create TempDir in the %s directory", c.config.StaticDir) + } + + var overlayMount specs.Mount + if volume.ReadWrite { + overlayMount, err = overlay.Mount(contentDir, mountPoint, volume.Dest, c.RootUID(), c.RootGID(), c.runtime.store.GraphOptions()) + } else { + overlayMount, err = overlay.MountReadOnly(contentDir, mountPoint, volume.Dest, c.RootUID(), c.RootGID(), c.runtime.store.GraphOptions()) + } + if err != nil { + return nil, errors.Wrapf(err, "creating overlay mount for image %q failed", volume.Source) + } + g.AddMount(overlayMount) + } + hasHomeSet := false for _, s := range c.config.Spec.Process.Env { if strings.HasPrefix(s, "HOME=") { @@ -668,11 +698,31 @@ func (c *Container) setupSystemd(mounts []spec.Mount, g generate.Generator) erro } g.AddMount(systemdMnt) } else { + mountOptions := []string{"bind", "rprivate"} + + var statfs unix.Statfs_t + if err := unix.Statfs("/sys/fs/cgroup/systemd", &statfs); err != nil { + mountOptions = append(mountOptions, "nodev", "noexec", "nosuid") + } else { + if statfs.Flags&unix.MS_NODEV == unix.MS_NODEV { + mountOptions = append(mountOptions, "nodev") + } + if statfs.Flags&unix.MS_NOEXEC == unix.MS_NOEXEC { + mountOptions = append(mountOptions, "noexec") + } + if statfs.Flags&unix.MS_NOSUID == unix.MS_NOSUID { + mountOptions = append(mountOptions, "nosuid") + } + if statfs.Flags&unix.MS_RDONLY == unix.MS_RDONLY { + mountOptions = append(mountOptions, "ro") + } + } + systemdMnt := spec.Mount{ Destination: "/sys/fs/cgroup/systemd", Type: "bind", Source: "/sys/fs/cgroup/systemd", - Options: []string{"bind", "nodev", "noexec", "nosuid", "rprivate"}, + Options: mountOptions, } g.AddMount(systemdMnt) g.AddLinuxMaskedPaths("/sys/fs/cgroup/systemd/release_agent") diff --git a/libpod/container_validate.go b/libpod/container_validate.go index b78168cd1..68cc095b7 100644 --- a/libpod/container_validate.go +++ b/libpod/container_validate.go @@ -88,7 +88,7 @@ func (c *Container) validate() error { return errors.Wrapf(define.ErrInvalidArg, "cannot add to /etc/hosts if using image's /etc/hosts") } - // Check named volume and overlay volumes destination conflits + // Check named volume, overlay volume and image volume destination conflits destinations := make(map[string]bool) for _, vol := range c.config.NamedVolumes { // Don't check if they already exist. @@ -106,6 +106,14 @@ func (c *Container) validate() error { } destinations[vol.Dest] = true } + for _, vol := range c.config.ImageVolumes { + // Don't check if they already exist. + // If they don't we will automatically create them. + if _, ok := destinations[vol.Dest]; ok { + return errors.Wrapf(define.ErrInvalidArg, "two volumes found with destination %s", vol.Dest) + } + destinations[vol.Dest] = true + } return nil } diff --git a/libpod/define/errors.go b/libpod/define/errors.go index 627928ef7..1b21cd1ce 100644 --- a/libpod/define/errors.go +++ b/libpod/define/errors.go @@ -14,6 +14,9 @@ var ( // ErrNoSuchImage indicates the requested image does not exist ErrNoSuchImage = errors.New("no such image") + // ErrMultipleImages found multiple name and tag matches + ErrMultipleImages = errors.New("found multiple name and tag matches") + // ErrNoSuchTag indicates the requested image tag does not exist ErrNoSuchTag = errors.New("no such tag") @@ -138,15 +141,15 @@ var ( // ErrOCIRuntimePermissionDenied indicates the OCI runtime attempted to invoke a command that returned // a permission denied error - ErrOCIRuntimePermissionDenied = errors.New("OCI runtime permission denied error") + ErrOCIRuntimePermissionDenied = errors.New("OCI permission denied") // ErrOCIRuntimeNotFound indicates the OCI runtime attempted to invoke a command // that was not found - ErrOCIRuntimeNotFound = errors.New("OCI runtime command not found error") + ErrOCIRuntimeNotFound = errors.New("OCI not found") // ErrOCIRuntimeUnavailable indicates that the OCI runtime associated to a container // could not be found in the configuration - ErrOCIRuntimeUnavailable = errors.New("OCI runtime not available in the current configuration") + ErrOCIRuntimeUnavailable = errors.New("OCI unavailable") // ErrConmonOutdated indicates the version of conmon found (whether via the configuration or $PATH) // is out of date for the current podman version diff --git a/libpod/define/podstate.go b/libpod/define/podstate.go index 2b59aabfb..e02671972 100644 --- a/libpod/define/podstate.go +++ b/libpod/define/podstate.go @@ -10,9 +10,12 @@ const ( PodStateExited = "Exited" // PodStatePaused indicates the pod has been paused PodStatePaused = "Paused" - // PodStateRunning indicates that one or more of the containers in - // the pod is running + // PodStateRunning indicates that all of the containers in the pod are + // running. PodStateRunning = "Running" + // PodStateDegraded indicates that at least one, but not all, of the + // containers in the pod are running. + PodStateDegraded = "Degraded" // PodStateStopped indicates all of the containers belonging to the pod // are stopped. PodStateStopped = "Stopped" diff --git a/libpod/image/utils.go b/libpod/image/utils.go index 2538f429b..7429a7f10 100644 --- a/libpod/image/utils.go +++ b/libpod/image/utils.go @@ -11,6 +11,7 @@ import ( "github.com/containers/image/v5/docker/reference" "github.com/containers/image/v5/signature" "github.com/containers/image/v5/types" + "github.com/containers/podman/v2/libpod/define" "github.com/containers/storage" "github.com/pkg/errors" ) @@ -42,7 +43,7 @@ func findImageInRepotags(search imageParts, images []*Image) (*storage.Image, er if len(results) == 0 { return &storage.Image{}, errors.Errorf("unable to find a name and tag match for %s in repotags", searchName) } else if len(results) > 1 { - return &storage.Image{}, errors.Errorf("found multiple name and tag matches for %s in repotags", searchName) + return &storage.Image{}, errors.Wrapf(define.ErrMultipleImages, searchName) } return results[0], nil } diff --git a/libpod/options.go b/libpod/options.go index 1ffb78da9..5d1ce8755 100644 --- a/libpod/options.go +++ b/libpod/options.go @@ -1439,6 +1439,25 @@ func WithOverlayVolumes(volumes []*ContainerOverlayVolume) CtrCreateOption { } } +// WithImageVolumes adds the given image volumes to the container. +func WithImageVolumes(volumes []*ContainerImageVolume) CtrCreateOption { + return func(ctr *Container) error { + if ctr.valid { + return define.ErrCtrFinalized + } + + for _, vol := range volumes { + ctr.config.ImageVolumes = append(ctr.config.ImageVolumes, &ContainerImageVolume{ + Dest: vol.Dest, + Source: vol.Source, + ReadWrite: vol.ReadWrite, + }) + } + + return nil + } +} + // WithHealthCheck adds the healthcheck to the container config func WithHealthCheck(healthCheck *manifest.Schema2HealthConfig) CtrCreateOption { return func(ctr *Container) error { diff --git a/libpod/pod_api.go b/libpod/pod_api.go index f2ddba9c9..87ac5c07a 100644 --- a/libpod/pod_api.go +++ b/libpod/pod_api.go @@ -506,7 +506,7 @@ func (p *Pod) Inspect() (*define.InspectPodData, error) { }) ctrStatuses[c.ID()] = c.state.State } - podState, err := CreatePodStatusResults(ctrStatuses) + podState, err := createPodStatusResults(ctrStatuses) if err != nil { return nil, err } diff --git a/libpod/pod_status.go b/libpod/pod_status.go index f4ccf308a..668d45ec7 100644 --- a/libpod/pod_status.go +++ b/libpod/pod_status.go @@ -10,10 +10,10 @@ func (p *Pod) GetPodStatus() (string, error) { if err != nil { return define.PodStateErrored, err } - return CreatePodStatusResults(ctrStatuses) + return createPodStatusResults(ctrStatuses) } -func CreatePodStatusResults(ctrStatuses map[string]define.ContainerStatus) (string, error) { +func createPodStatusResults(ctrStatuses map[string]define.ContainerStatus) (string, error) { ctrNum := len(ctrStatuses) if ctrNum == 0 { return define.PodStateCreated, nil @@ -43,8 +43,10 @@ func CreatePodStatusResults(ctrStatuses map[string]define.ContainerStatus) (stri } switch { - case statuses[define.PodStateRunning] > 0: + case statuses[define.PodStateRunning] == ctrNum: return define.PodStateRunning, nil + case statuses[define.PodStateRunning] > 0: + return define.PodStateDegraded, nil case statuses[define.PodStatePaused] == ctrNum: return define.PodStatePaused, nil case statuses[define.PodStateStopped] == ctrNum: diff --git a/libpod/runtime_pod_infra_linux.go b/libpod/runtime_pod_infra_linux.go index 7f58e86d8..76419587a 100644 --- a/libpod/runtime_pod_infra_linux.go +++ b/libpod/runtime_pod_infra_linux.go @@ -131,6 +131,7 @@ func (r *Runtime) makeInfraContainer(ctx context.Context, p *Pod, imgName, rawIm logrus.Debugf("Using %q as infra container entrypoint", entryCmd) + g.RemoveMount("/dev/shm") if isRootless { g.RemoveMount("/dev/pts") devPts := spec.Mount{ |