diff options
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/bindings/manifests/manifests.go | 21 | ||||
-rw-r--r-- | pkg/bindings/test/manifests_test.go | 20 | ||||
-rw-r--r-- | pkg/domain/entities/engine.go | 9 | ||||
-rw-r--r-- | pkg/domain/entities/engine_container.go | 1 | ||||
-rw-r--r-- | pkg/domain/entities/engine_image.go | 1 | ||||
-rw-r--r-- | pkg/domain/entities/engine_system.go | 14 | ||||
-rw-r--r-- | pkg/domain/entities/manifest.go | 10 | ||||
-rw-r--r-- | pkg/domain/entities/system.go | 57 | ||||
-rw-r--r-- | pkg/domain/infra/abi/manifest.go | 39 | ||||
-rw-r--r-- | pkg/domain/infra/abi/runtime.go | 5 | ||||
-rw-r--r-- | pkg/domain/infra/abi/system.go | 177 | ||||
-rw-r--r-- | pkg/domain/infra/runtime_abi.go | 31 | ||||
-rw-r--r-- | pkg/domain/infra/runtime_abi_unsupported.go | 14 | ||||
-rw-r--r-- | pkg/domain/infra/runtime_image_proxy.go | 21 | ||||
-rw-r--r-- | pkg/domain/infra/runtime_proxy.go | 8 | ||||
-rw-r--r-- | pkg/domain/infra/tunnel/manifest.go | 29 | ||||
-rw-r--r-- | pkg/domain/infra/tunnel/system.go | 6 |
17 files changed, 439 insertions, 24 deletions
diff --git a/pkg/bindings/manifests/manifests.go b/pkg/bindings/manifests/manifests.go index a8d1e6ca3..b85169410 100644 --- a/pkg/bindings/manifests/manifests.go +++ b/pkg/bindings/manifests/manifests.go @@ -124,3 +124,24 @@ func Push(ctx context.Context, name string, destination *string, all *bool) (str } return idr.ID, response.Process(&idr) } + +// Annotate updates the image configuration of a given manifest list +func Annotate(ctx context.Context, name, digest string, options image.ManifestAnnotateOpts) (string, error) { + var idr handlers.IDResponse + conn, err := bindings.GetClient(ctx) + if err != nil { + return "", err + } + params := url.Values{} + params.Set("digest", digest) + optionsString, err := jsoniter.MarshalToString(options) + if err != nil { + return "", err + } + stringReader := strings.NewReader(optionsString) + response, err := conn.DoRequest(stringReader, http.MethodPost, "/manifests/%s/annotate", params, name) + if err != nil { + return "", err + } + return idr.ID, response.Process(&idr) +} diff --git a/pkg/bindings/test/manifests_test.go b/pkg/bindings/test/manifests_test.go index 4987dfe5b..ddb75865c 100644 --- a/pkg/bindings/test/manifests_test.go +++ b/pkg/bindings/test/manifests_test.go @@ -118,6 +118,26 @@ var _ = Describe("Podman containers ", func() { Expect(len(data.Manifests)).To(BeZero()) }) + It("annotate manifest", func() { + id, err := manifests.Create(bt.conn, []string{"quay.io/libpod/foobar:latest"}, []string{}, nil) + Expect(err).To(BeNil()) + opts := image.ManifestAddOpts{Images: []string{"docker.io/library/alpine:latest"}} + + _, err = manifests.Add(bt.conn, id, opts) + Expect(err).To(BeNil()) + data, err := manifests.Inspect(bt.conn, id) + Expect(err).To(BeNil()) + Expect(len(data.Manifests)).To(BeNumerically("==", 1)) + digest := data.Manifests[0].Digest.String() + annoOpts := image.ManifestAnnotateOpts{OS: "foo"} + _, err = manifests.Annotate(bt.conn, id, digest, annoOpts) + Expect(err).To(BeNil()) + list, err := manifests.Inspect(bt.conn, id) + Expect(err).To(BeNil()) + Expect(len(list.Manifests)).To(BeNumerically("==", 1)) + Expect(list.Manifests[0].Platform.OS).To(Equal("foo")) + }) + It("push manifest", func() { Skip("TODO") }) diff --git a/pkg/domain/entities/engine.go b/pkg/domain/entities/engine.go index f45218d14..265c9f36f 100644 --- a/pkg/domain/entities/engine.go +++ b/pkg/domain/entities/engine.go @@ -12,9 +12,18 @@ import ( // EngineMode is the connection type podman is using to access libpod type EngineMode string +// EngineSetup calls out whether a "normal" or specialized engine should be created +type EngineSetup string + const ( ABIMode = EngineMode("abi") TunnelMode = EngineMode("tunnel") + + MigrateMode = EngineSetup("migrate") + NoFDsMode = EngineSetup("disablefds") + NormalMode = EngineSetup("normal") + RenumberMode = EngineSetup("renumber") + ResetMode = EngineSetup("reset") ) // Convert EngineMode to String diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go index 2183cbdf3..2e4e486b5 100644 --- a/pkg/domain/entities/engine_container.go +++ b/pkg/domain/entities/engine_container.go @@ -66,6 +66,7 @@ type ContainerEngine interface { PodUnpause(ctx context.Context, namesOrIds []string, options PodunpauseOptions) ([]*PodUnpauseReport, error) SetupRootless(ctx context.Context, cmd *cobra.Command) error Shutdown(ctx context.Context) + SystemDf(ctx context.Context, options SystemDfOptions) (*SystemDfReport, error) VarlinkService(ctx context.Context, opts ServiceOptions) error VolumeCreate(ctx context.Context, opts VolumeCreateOptions) (*IdOrNameResponse, error) VolumeInspect(ctx context.Context, namesOrIds []string, opts VolumeInspectOptions) ([]*VolumeInspectReport, error) diff --git a/pkg/domain/entities/engine_image.go b/pkg/domain/entities/engine_image.go index 45686ec79..c46ba815a 100644 --- a/pkg/domain/entities/engine_image.go +++ b/pkg/domain/entities/engine_image.go @@ -29,4 +29,5 @@ type ImageEngine interface { ManifestCreate(ctx context.Context, names, images []string, opts ManifestCreateOptions) (string, error) ManifestInspect(ctx context.Context, name string) ([]byte, error) ManifestAdd(ctx context.Context, opts ManifestAddOptions) (string, error) + ManifestAnnotate(ctx context.Context, names []string, opts ManifestAnnotateOptions) (string, error) } diff --git a/pkg/domain/entities/engine_system.go b/pkg/domain/entities/engine_system.go new file mode 100644 index 000000000..e2000f5cb --- /dev/null +++ b/pkg/domain/entities/engine_system.go @@ -0,0 +1,14 @@ +package entities + +import ( + "context" + + "github.com/spf13/pflag" +) + +type SystemEngine interface { + Renumber(ctx context.Context, flags *pflag.FlagSet, config *PodmanConfig) error + Migrate(ctx context.Context, flags *pflag.FlagSet, config *PodmanConfig, options SystemMigrateOptions) error + Reset(ctx context.Context, options SystemResetOptions) error + Shutdown(ctx context.Context) +} diff --git a/pkg/domain/entities/manifest.go b/pkg/domain/entities/manifest.go index 7316735b0..d92b1dc9b 100644 --- a/pkg/domain/entities/manifest.go +++ b/pkg/domain/entities/manifest.go @@ -14,3 +14,13 @@ type ManifestAddOptions struct { OSVersion string `json:"os_version" schema:"os_version"` Variant string `json:"variant" schema:"variant"` } + +type ManifestAnnotateOptions struct { + Annotation []string `json:"annotation"` + Arch string `json:"arch" schema:"arch"` + Features []string `json:"features" schema:"features"` + OS string `json:"os" schema:"os"` + OSFeatures []string `json:"os_features" schema:"os_features"` + OSVersion string `json:"os_version" schema:"os_version"` + Variant string `json:"variant" schema:"variant"` +} diff --git a/pkg/domain/entities/system.go b/pkg/domain/entities/system.go index de93a382f..c62f40025 100644 --- a/pkg/domain/entities/system.go +++ b/pkg/domain/entities/system.go @@ -26,3 +26,60 @@ type SystemPruneReport struct { *ImagePruneReport VolumePruneReport []*VolumePruneReport } + +// SystemMigrateOptions describes the options needed for the +// cli to migrate runtimes of containers +type SystemMigrateOptions struct { + NewRuntime string +} + +// SystemDfOptions describes the options for getting df information +type SystemDfOptions struct { + Format string + Verbose bool +} + +// SystemDfReport describes the response for df information +type SystemDfReport struct { + Images []*SystemDfImageReport + Containers []*SystemDfContainerReport + Volumes []*SystemDfVolumeReport +} + +// SystemDfImageReport describes an image for use with df +type SystemDfImageReport struct { + Repository string + Tag string + ImageID string + Created time.Time + Size int64 + SharedSize int64 + UniqueSize int64 + Containers int +} + +// SystemDfContainerReport describes a container for use with df +type SystemDfContainerReport struct { + ContainerID string + Image string + Command []string + LocalVolumes int + Size int64 + RWSize int64 + Created time.Time + Status string + Names string +} + +// SystemDfVolumeReport describes a volume and its size +type SystemDfVolumeReport struct { + VolumeName string + Links int + Size int64 +} + +// SystemResetOptions describes the options for resetting your +// container runtime storage, etc +type SystemResetOptions struct { + Force bool +} diff --git a/pkg/domain/infra/abi/manifest.go b/pkg/domain/infra/abi/manifest.go index 88331f96c..812507f0a 100644 --- a/pkg/domain/infra/abi/manifest.go +++ b/pkg/domain/infra/abi/manifest.go @@ -14,6 +14,7 @@ import ( libpodImage "github.com/containers/libpod/libpod/image" "github.com/containers/libpod/pkg/domain/entities" "github.com/containers/libpod/pkg/util" + "github.com/opencontainers/go-digest" "github.com/pkg/errors" ) @@ -71,7 +72,7 @@ func (ir *ImageEngine) ManifestAdd(ctx context.Context, opts entities.ManifestAd } listImage, err := ir.Libpod.ImageRuntime().NewFromLocal(listImageSpec) if err != nil { - return "", errors.Wrapf(err, "error retriving local image from image name %s", listImageSpec) + return "", errors.Wrapf(err, "error retrieving local image from image name %s", listImageSpec) } manifestAddOpts := libpodImage.ManifestAddOpts{ @@ -100,3 +101,39 @@ func (ir *ImageEngine) ManifestAdd(ctx context.Context, opts entities.ManifestAd } return listID, nil } + +// ManifestAnnotate updates an entry of the manifest list +func (ir *ImageEngine) ManifestAnnotate(ctx context.Context, names []string, opts entities.ManifestAnnotateOptions) (string, error) { + listImage, err := ir.Libpod.ImageRuntime().NewFromLocal(names[0]) + if err != nil { + return "", errors.Wrapf(err, "error retreiving local image from image name %s", names[0]) + } + digest, err := digest.Parse(names[1]) + if err != nil { + return "", errors.Errorf(`invalid image digest "%s": %v`, names[1], err) + } + manifestAnnotateOpts := libpodImage.ManifestAnnotateOpts{ + Arch: opts.Arch, + Features: opts.Features, + OS: opts.OS, + OSFeatures: opts.OSFeatures, + OSVersion: opts.OSVersion, + Variant: opts.Variant, + } + if len(opts.Annotation) > 0 { + annotations := make(map[string]string) + for _, annotationSpec := range opts.Annotation { + spec := strings.SplitN(annotationSpec, "=", 2) + if len(spec) != 2 { + return "", errors.Errorf("no value given for annotation %q", spec[0]) + } + annotations[spec[0]] = spec[1] + } + manifestAnnotateOpts.Annotation = annotations + } + updatedListID, err := listImage.AnnotateManifest(*ir.Libpod.SystemContext(), digest, manifestAnnotateOpts) + if err == nil { + return fmt.Sprintf("%s: %s", updatedListID, digest.String()), nil + } + return "", err +} diff --git a/pkg/domain/infra/abi/runtime.go b/pkg/domain/infra/abi/runtime.go index fba422d8e..b9020e9a5 100644 --- a/pkg/domain/infra/abi/runtime.go +++ b/pkg/domain/infra/abi/runtime.go @@ -16,4 +16,9 @@ type ContainerEngine struct { Libpod *libpod.Runtime } +// Container-related runtime linked against libpod library +type SystemEngine struct { + Libpod *libpod.Runtime +} + var shutdownSync sync.Once diff --git a/pkg/domain/infra/abi/system.go b/pkg/domain/infra/abi/system.go index ab1b282d8..692fcfa0f 100644 --- a/pkg/domain/infra/abi/system.go +++ b/pkg/domain/infra/abi/system.go @@ -5,6 +5,7 @@ import ( "fmt" "io/ioutil" "os" + "path/filepath" "strconv" "syscall" @@ -18,9 +19,11 @@ import ( iopodmanAPI "github.com/containers/libpod/pkg/varlinkapi" "github.com/containers/libpod/utils" "github.com/containers/libpod/version" + "github.com/docker/distribution/reference" "github.com/pkg/errors" "github.com/sirupsen/logrus" "github.com/spf13/cobra" + "github.com/spf13/pflag" "github.com/varlink/go/varlink" ) @@ -213,3 +216,177 @@ func (ic *ContainerEngine) SystemPrune(ctx context.Context, options entities.Sys } return systemPruneReport, nil } + +func (ic *ContainerEngine) SystemDf(ctx context.Context, options entities.SystemDfOptions) (*entities.SystemDfReport, error) { + var ( + dfImages []*entities.SystemDfImageReport + dfContainers []*entities.SystemDfContainerReport + dfVolumes []*entities.SystemDfVolumeReport + runningContainers []string + ) + + // Get Images and iterate them + imgs, err := ic.Libpod.ImageRuntime().GetImages() + if err != nil { + return nil, err + } + for _, i := range imgs { + var sharedSize uint64 + cons, err := i.Containers() + if err != nil { + return nil, err + } + imageSize, err := i.Size(ctx) + if err != nil { + return nil, err + } + uniqueSize := *imageSize + + parent, err := i.GetParent(ctx) + if err != nil { + return nil, err + } + if parent != nil { + parentSize, err := parent.Size(ctx) + if err != nil { + return nil, err + } + uniqueSize = *parentSize - *imageSize + sharedSize = *imageSize - uniqueSize + } + var name, repository, tag string + for _, n := range i.Names() { + if len(n) > 0 { + name = n + break + } + } + + named, err := reference.ParseNormalizedNamed(name) + if err != nil { + return nil, err + } + repository = named.Name() + if tagged, isTagged := named.(reference.NamedTagged); isTagged { + tag = tagged.Tag() + } + + report := entities.SystemDfImageReport{ + Repository: repository, + Tag: tag, + ImageID: i.ID(), + Created: i.Created(), + Size: int64(*imageSize), + SharedSize: int64(sharedSize), + UniqueSize: int64(uniqueSize), + Containers: len(cons), + } + dfImages = append(dfImages, &report) + } + + // GetContainers and iterate them + cons, err := ic.Libpod.GetAllContainers() + if err != nil { + return nil, err + } + for _, c := range cons { + iid, _ := c.Image() + conSize, err := c.RootFsSize() + if err != nil { + return nil, err + } + state, err := c.State() + if err != nil { + return nil, err + } + rwsize, err := c.RWSize() + if err != nil { + return nil, err + } + report := entities.SystemDfContainerReport{ + ContainerID: c.ID(), + Image: iid, + Command: c.Command(), + LocalVolumes: len(c.UserVolumes()), + RWSize: rwsize, + Size: conSize, + Created: c.CreatedTime(), + Status: state.String(), + Names: c.Name(), + } + dfContainers = append(dfContainers, &report) + } + + // Get volumes and iterate them + vols, err := ic.Libpod.GetAllVolumes() + if err != nil { + return nil, err + } + + running, err := ic.Libpod.GetRunningContainers() + if err != nil { + return nil, err + } + for _, c := range running { + runningContainers = append(runningContainers, c.ID()) + } + + for _, v := range vols { + var consInUse int + volSize, err := sizeOfPath(v.MountPoint()) + if err != nil { + return nil, err + } + inUse, err := v.VolumesInUse() + if err != nil { + return nil, err + } + for _, viu := range inUse { + if util.StringInSlice(viu, runningContainers) { + consInUse += 1 + } + } + report := entities.SystemDfVolumeReport{ + VolumeName: v.Name(), + Links: consInUse, + Size: volSize, + } + dfVolumes = append(dfVolumes, &report) + } + return &entities.SystemDfReport{ + Images: dfImages, + Containers: dfContainers, + Volumes: dfVolumes, + }, nil +} + +// sizeOfPath determines the file usage of a given path. it was called volumeSize in v1 +// and now is made to be generic and take a path instead of a libpod volume +func sizeOfPath(path string) (int64, error) { + var size int64 + err := filepath.Walk(path, func(path string, info os.FileInfo, err error) error { + if err == nil && !info.IsDir() { + size += info.Size() + } + return err + }) + return size, err +} + +func (se *SystemEngine) Reset(ctx context.Context, options entities.SystemResetOptions) error { + return se.Libpod.Reset(ctx) +} + +func (se *SystemEngine) Renumber(ctx context.Context, flags *pflag.FlagSet, config *entities.PodmanConfig) error { + return nil +} + +func (s SystemEngine) Migrate(ctx context.Context, flags *pflag.FlagSet, config *entities.PodmanConfig, options entities.SystemMigrateOptions) error { + return nil +} + +func (s SystemEngine) Shutdown(ctx context.Context) { + if err := s.Libpod.Shutdown(false); err != nil { + logrus.Error(err) + } +} diff --git a/pkg/domain/infra/runtime_abi.go b/pkg/domain/infra/runtime_abi.go index 7aa6986a7..67c1cd534 100644 --- a/pkg/domain/infra/runtime_abi.go +++ b/pkg/domain/infra/runtime_abi.go @@ -6,8 +6,10 @@ import ( "context" "fmt" + "github.com/containers/libpod/libpod" "github.com/containers/libpod/pkg/bindings" "github.com/containers/libpod/pkg/domain/entities" + "github.com/containers/libpod/pkg/domain/infra/abi" "github.com/containers/libpod/pkg/domain/infra/tunnel" ) @@ -36,3 +38,32 @@ func NewImageEngine(facts *entities.PodmanConfig) (entities.ImageEngine, error) } return nil, fmt.Errorf("runtime mode '%v' is not supported", facts.EngineMode) } + +// NewSystemEngine factory provides a libpod runtime for specialized system operations +func NewSystemEngine(setup entities.EngineSetup, facts *entities.PodmanConfig) (entities.SystemEngine, error) { + switch facts.EngineMode { + case entities.ABIMode: + var r *libpod.Runtime + var err error + switch setup { + case entities.NormalMode: + r, err = GetRuntime(context.Background(), facts.FlagSet, facts) + case entities.RenumberMode: + r, err = GetRuntimeRenumber(context.Background(), facts.FlagSet, facts) + case entities.ResetMode: + r, err = GetRuntimeRenumber(context.Background(), facts.FlagSet, facts) + case entities.MigrateMode: + name, flagErr := facts.FlagSet.GetString("new-runtime") + if flagErr != nil { + return nil, flagErr + } + r, err = GetRuntimeMigrate(context.Background(), facts.FlagSet, facts, name) + case entities.NoFDsMode: + r, err = GetRuntimeDisableFDs(context.Background(), facts.FlagSet, facts) + } + return &abi.SystemEngine{Libpod: r}, err + case entities.TunnelMode: + return nil, fmt.Errorf("tunnel system runtime not supported") + } + return nil, fmt.Errorf("runtime mode '%v' is not supported", facts.EngineMode) +} diff --git a/pkg/domain/infra/runtime_abi_unsupported.go b/pkg/domain/infra/runtime_abi_unsupported.go new file mode 100644 index 000000000..c4e25e990 --- /dev/null +++ b/pkg/domain/infra/runtime_abi_unsupported.go @@ -0,0 +1,14 @@ +// +build !ABISupport + +package infra + +import ( + "errors" + + "github.com/containers/libpod/pkg/domain/entities" +) + +// NewSystemEngine factory provides a libpod runtime for specialized system operations +func NewSystemEngine(setup entities.EngineSetup, facts *entities.PodmanConfig) (entities.SystemEngine, error) { + return nil, errors.New("not implemented") +} diff --git a/pkg/domain/infra/runtime_image_proxy.go b/pkg/domain/infra/runtime_image_proxy.go deleted file mode 100644 index ea5d0e6f2..000000000 --- a/pkg/domain/infra/runtime_image_proxy.go +++ /dev/null @@ -1,21 +0,0 @@ -// +build ABISupport - -package infra - -import ( - "context" - - "github.com/containers/libpod/pkg/domain/entities" - "github.com/containers/libpod/pkg/domain/infra/abi" - "github.com/spf13/pflag" -) - -// ContainerEngine Image Proxy will be EOL'ed after podman is separated from libpod repo - -func NewLibpodImageRuntime(flags *pflag.FlagSet, opts *entities.PodmanConfig) (entities.ImageEngine, error) { - r, err := GetRuntime(context.Background(), flags, opts) - if err != nil { - return nil, err - } - return &abi.ImageEngine{Libpod: r}, nil -} diff --git a/pkg/domain/infra/runtime_proxy.go b/pkg/domain/infra/runtime_proxy.go index 41193fd89..e7002e20f 100644 --- a/pkg/domain/infra/runtime_proxy.go +++ b/pkg/domain/infra/runtime_proxy.go @@ -19,3 +19,11 @@ func NewLibpodRuntime(flags *flag.FlagSet, opts *entities.PodmanConfig) (entitie } return &abi.ContainerEngine{Libpod: r}, nil } + +func NewLibpodImageRuntime(flags *flag.FlagSet, opts *entities.PodmanConfig) (entities.ImageEngine, error) { + r, err := GetRuntime(context.Background(), flags, opts) + if err != nil { + return nil, err + } + return &abi.ImageEngine{Libpod: r}, nil +} diff --git a/pkg/domain/infra/tunnel/manifest.go b/pkg/domain/infra/tunnel/manifest.go index 18b400533..3d3196019 100644 --- a/pkg/domain/infra/tunnel/manifest.go +++ b/pkg/domain/infra/tunnel/manifest.go @@ -3,6 +3,7 @@ package tunnel import ( "context" "encoding/json" + "fmt" "strings" "github.com/containers/libpod/libpod/image" @@ -62,3 +63,31 @@ func (ir *ImageEngine) ManifestAdd(ctx context.Context, opts entities.ManifestAd } return listID, nil } + +// ManifestAnnotate updates an entry of the manifest list +func (ir *ImageEngine) ManifestAnnotate(ctx context.Context, names []string, opts entities.ManifestAnnotateOptions) (string, error) { + manifestAnnotateOpts := image.ManifestAnnotateOpts{ + Arch: opts.Arch, + Features: opts.Features, + OS: opts.OS, + OSFeatures: opts.OSFeatures, + OSVersion: opts.OSVersion, + Variant: opts.Variant, + } + if len(opts.Annotation) > 0 { + annotations := make(map[string]string) + for _, annotationSpec := range opts.Annotation { + spec := strings.SplitN(annotationSpec, "=", 2) + if len(spec) != 2 { + return "", errors.Errorf("no value given for annotation %q", spec[0]) + } + annotations[spec[0]] = spec[1] + } + manifestAnnotateOpts.Annotation = annotations + } + updatedListID, err := manifests.Annotate(ctx, names[0], names[1], manifestAnnotateOpts) + if err != nil { + return updatedListID, errors.Wrapf(err, "error annotating %s of manifest list %s", names[1], names[0]) + } + return fmt.Sprintf("%s :%s", updatedListID, names[1]), nil +} diff --git a/pkg/domain/infra/tunnel/system.go b/pkg/domain/infra/tunnel/system.go index 18cb6c75a..448fbed1f 100644 --- a/pkg/domain/infra/tunnel/system.go +++ b/pkg/domain/infra/tunnel/system.go @@ -3,7 +3,6 @@ package tunnel import ( "context" "errors" - "fmt" "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/pkg/bindings/system" @@ -25,6 +24,9 @@ func (ic *ContainerEngine) SetupRootless(_ context.Context, cmd *cobra.Command) // SystemPrune prunes unused data from the system. func (ic *ContainerEngine) SystemPrune(ctx context.Context, options entities.SystemPruneOptions) (*entities.SystemPruneReport, error) { - fmt.Println("in tunnel") return system.Prune(ic.ClientCxt, &options.All, &options.Volume) } + +func (ic *ContainerEngine) SystemDf(ctx context.Context, options entities.SystemDfOptions) (*entities.SystemDfReport, error) { + panic(errors.New("system df is not supported on remote clients")) +} |