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-rw-r--r--cmd/podmanV2/Makefile2
-rw-r--r--cmd/podmanV2/containers/export.go57
-rw-r--r--cmd/podmanV2/images/load.go61
-rw-r--r--cmd/podmanV2/main.go6
-rw-r--r--libpod/image/image.go6
-rw-r--r--libpod/image/image_test.go2
-rw-r--r--pkg/api/handlers/compat/containers_export.go42
-rw-r--r--pkg/api/handlers/libpod/images.go2
-rw-r--r--pkg/api/handlers/swagger.go2
-rw-r--r--pkg/api/server/register_containers.go45
-rw-r--r--pkg/bindings/containers/containers.go20
-rw-r--r--pkg/bindings/images/images.go10
-rw-r--r--pkg/bindings/test/images_test.go4
-rw-r--r--pkg/domain/entities/containers.go4
-rw-r--r--pkg/domain/entities/engine_container.go1
-rw-r--r--pkg/domain/entities/engine_image.go1
-rw-r--r--pkg/domain/entities/images.go12
-rw-r--r--pkg/domain/infra/abi/containers.go8
-rw-r--r--pkg/domain/infra/abi/images.go21
-rw-r--r--pkg/domain/infra/tunnel/containers.go16
-rw-r--r--pkg/domain/infra/tunnel/images.go10
21 files changed, 318 insertions, 14 deletions
diff --git a/cmd/podmanV2/Makefile b/cmd/podmanV2/Makefile
index 147a78d9c..f2f7bd73c 100644
--- a/cmd/podmanV2/Makefile
+++ b/cmd/podmanV2/Makefile
@@ -1,2 +1,2 @@
all:
- GO111MODULE=off go build -tags 'ABISupport'
+ GO111MODULE=off go build -tags 'ABISupport systemd'
diff --git a/cmd/podmanV2/containers/export.go b/cmd/podmanV2/containers/export.go
new file mode 100644
index 000000000..b93b60878
--- /dev/null
+++ b/cmd/podmanV2/containers/export.go
@@ -0,0 +1,57 @@
+package containers
+
+import (
+ "context"
+ "os"
+
+ "github.com/containers/libpod/cmd/podmanV2/parse"
+ "github.com/containers/libpod/cmd/podmanV2/registry"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/pkg/errors"
+ "github.com/spf13/cobra"
+ "golang.org/x/crypto/ssh/terminal"
+)
+
+var (
+ exportDescription = "Exports container's filesystem contents as a tar archive" +
+ " and saves it on the local machine."
+
+ exportCommand = &cobra.Command{
+ Use: "export [flags] CONTAINER",
+ Short: "Export container's filesystem contents as a tar archive",
+ Long: exportDescription,
+ PersistentPreRunE: preRunE,
+ RunE: export,
+ Args: cobra.ExactArgs(1),
+ Example: `podman export ctrID > myCtr.tar
+ podman export --output="myCtr.tar" ctrID`,
+ }
+)
+
+var (
+ exportOpts entities.ContainerExportOptions
+)
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: exportCommand,
+ })
+ exportCommand.SetHelpTemplate(registry.HelpTemplate())
+ exportCommand.SetUsageTemplate(registry.UsageTemplate())
+ flags := exportCommand.Flags()
+ flags.StringVarP(&exportOpts.Output, "output", "o", "", "Write to a specified file (default: stdout, which must be redirected)")
+}
+
+func export(cmd *cobra.Command, args []string) error {
+ if len(exportOpts.Output) == 0 {
+ file := os.Stdout
+ if terminal.IsTerminal(int(file.Fd())) {
+ return errors.Errorf("refusing to export to terminal. Use -o flag or redirect")
+ }
+ exportOpts.Output = "/dev/stdout"
+ } else if err := parse.ValidateFileName(exportOpts.Output); err != nil {
+ return err
+ }
+ return registry.ContainerEngine().ContainerExport(context.Background(), args[0], exportOpts)
+}
diff --git a/cmd/podmanV2/images/load.go b/cmd/podmanV2/images/load.go
new file mode 100644
index 000000000..f60dc4908
--- /dev/null
+++ b/cmd/podmanV2/images/load.go
@@ -0,0 +1,61 @@
+package images
+
+import (
+ "context"
+ "fmt"
+
+ "github.com/containers/libpod/cmd/podmanV2/registry"
+ "github.com/containers/libpod/libpod/image"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/spf13/cobra"
+)
+
+var (
+ loadDescription = "Loads an image from a locally stored archive (tar file) into container storage."
+ loadCommand = &cobra.Command{
+ Use: "load [flags] [NAME[:TAG]]",
+ Short: "Load an image from container archive",
+ Long: loadDescription,
+ RunE: load,
+ Args: cobra.MaximumNArgs(1),
+ PersistentPreRunE: preRunE,
+ }
+)
+
+var (
+ loadOpts entities.ImageLoadOptions
+)
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: loadCommand,
+ })
+
+ loadCommand.SetHelpTemplate(registry.HelpTemplate())
+ loadCommand.SetUsageTemplate(registry.UsageTemplate())
+ flags := loadCommand.Flags()
+ flags.StringVarP(&loadOpts.Input, "input", "i", "", "Read from specified archive file (default: stdin)")
+ flags.BoolVarP(&loadOpts.Quiet, "quiet", "q", false, "Suppress the output")
+ flags.StringVar(&loadOpts.SignaturePolicy, "signature-policy", "", "Pathname of signature policy file")
+ if registry.IsRemote() {
+ _ = flags.MarkHidden("signature-policy")
+ }
+
+}
+
+func load(cmd *cobra.Command, args []string) error {
+ if len(args) > 0 {
+ repo, err := image.NormalizedTag(args[0])
+ if err != nil {
+ return err
+ }
+ loadOpts.Name = repo.Name()
+ }
+ response, err := registry.ImageEngine().Load(context.Background(), loadOpts)
+ if err != nil {
+ return err
+ }
+ fmt.Println("Loaded image: " + response.Name)
+ return nil
+}
diff --git a/cmd/podmanV2/main.go b/cmd/podmanV2/main.go
index e4daabb66..6781a7f06 100644
--- a/cmd/podmanV2/main.go
+++ b/cmd/podmanV2/main.go
@@ -15,6 +15,7 @@ import (
_ "github.com/containers/libpod/cmd/podmanV2/volumes"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/pkg/domain/entities"
+ "github.com/containers/storage/pkg/reexec"
"github.com/sirupsen/logrus"
)
@@ -45,6 +46,11 @@ func init() {
}
func main() {
+ if reexec.Init() {
+ // We were invoked with a different argv[0] indicating that we
+ // had a specific job to do as a subprocess, and it's done.
+ return
+ }
for _, c := range registry.Commands {
if Contains(registry.EngineOptions.EngineMode, c.Mode) {
parent := rootCmd
diff --git a/libpod/image/image.go b/libpod/image/image.go
index 5f914ed79..80cc6f15a 100644
--- a/libpod/image/image.go
+++ b/libpod/image/image.go
@@ -512,8 +512,8 @@ func getImageDigest(ctx context.Context, src types.ImageReference, sc *types.Sys
return "@" + imageDigest.Hex(), nil
}
-// normalizedTag returns the canonical version of tag for use in Image.Names()
-func normalizedTag(tag string) (reference.Named, error) {
+// NormalizedTag returns the canonical version of tag for use in Image.Names()
+func NormalizedTag(tag string) (reference.Named, error) {
decomposedTag, err := decompose(tag)
if err != nil {
return nil, err
@@ -541,7 +541,7 @@ func (i *Image) TagImage(tag string) error {
if err := i.reloadImage(); err != nil {
return err
}
- ref, err := normalizedTag(tag)
+ ref, err := NormalizedTag(tag)
if err != nil {
return err
}
diff --git a/libpod/image/image_test.go b/libpod/image/image_test.go
index 19f7eee1e..3cd368cdc 100644
--- a/libpod/image/image_test.go
+++ b/libpod/image/image_test.go
@@ -292,7 +292,7 @@ func TestNormalizedTag(t *testing.T) {
{"ns/busybox:latest", "localhost/ns/busybox:latest"}, // Unqualified with a dot-less namespace
{"docker.io/busybox:latest", "docker.io/library/busybox:latest"}, // docker.io without /library/
} {
- res, err := normalizedTag(c.input)
+ res, err := NormalizedTag(c.input)
if c.expected == "" {
assert.Error(t, err, c.input)
} else {
diff --git a/pkg/api/handlers/compat/containers_export.go b/pkg/api/handlers/compat/containers_export.go
new file mode 100644
index 000000000..37b9fbf2b
--- /dev/null
+++ b/pkg/api/handlers/compat/containers_export.go
@@ -0,0 +1,42 @@
+package compat
+
+import (
+ "io/ioutil"
+ "net/http"
+ "os"
+
+ "github.com/containers/libpod/libpod"
+ "github.com/containers/libpod/pkg/api/handlers/utils"
+ "github.com/pkg/errors"
+)
+
+func ExportContainer(w http.ResponseWriter, r *http.Request) {
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ name := utils.GetName(r)
+ con, err := runtime.LookupContainer(name)
+ if err != nil {
+ utils.ContainerNotFound(w, name, err)
+ return
+ }
+ tmpfile, err := ioutil.TempFile("", "api.tar")
+ if err != nil {
+ utils.Error(w, "unable to create tarball tempfile", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile"))
+ return
+ }
+ defer os.Remove(tmpfile.Name())
+ if err := tmpfile.Close(); err != nil {
+ utils.Error(w, "unable to close tempfile", http.StatusInternalServerError, errors.Wrap(err, "unable to close tempfile"))
+ return
+ }
+ if err := con.Export(tmpfile.Name()); err != nil {
+ utils.Error(w, "failed to save the image", http.StatusInternalServerError, errors.Wrap(err, "failed to save image"))
+ return
+ }
+ rdr, err := os.Open(tmpfile.Name())
+ if err != nil {
+ utils.Error(w, "failed to read temp tarball", http.StatusInternalServerError, errors.Wrap(err, "failed to read the exported tarfile"))
+ return
+ }
+ defer rdr.Close()
+ utils.WriteResponse(w, http.StatusOK, rdr)
+}
diff --git a/pkg/api/handlers/libpod/images.go b/pkg/api/handlers/libpod/images.go
index bc227d9a1..19c6102be 100644
--- a/pkg/api/handlers/libpod/images.go
+++ b/pkg/api/handlers/libpod/images.go
@@ -254,7 +254,7 @@ func ImagesLoad(w http.ResponseWriter, r *http.Request) {
return
}
}
- utils.WriteResponse(w, http.StatusOK, handlers.LibpodImagesLoadReport{ID: loadedImage})
+ utils.WriteResponse(w, http.StatusOK, entities.ImageLoadReport{Name: loadedImage})
}
func ImagesImport(w http.ResponseWriter, r *http.Request) {
diff --git a/pkg/api/handlers/swagger.go b/pkg/api/handlers/swagger.go
index 52763a050..12de3a3bd 100644
--- a/pkg/api/handlers/swagger.go
+++ b/pkg/api/handlers/swagger.go
@@ -31,7 +31,7 @@ type swagImageInspect struct {
// swagger:response DocsLibpodImagesLoadResponse
type swagLibpodImagesLoadResponse struct {
// in:body
- Body []LibpodImagesLoadReport
+ Body entities.ImageLoadReport
}
// Import response
diff --git a/pkg/api/server/register_containers.go b/pkg/api/server/register_containers.go
index 08834ff01..145c054c0 100644
--- a/pkg/api/server/register_containers.go
+++ b/pkg/api/server/register_containers.go
@@ -587,6 +587,29 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error {
r.HandleFunc(VersionedPath("/containers/{name}/resize"), s.APIHandler(compat.ResizeContainer)).Methods(http.MethodPost)
// Added non version path to URI to support docker non versioned paths
r.HandleFunc("/containers/{name}/resize", s.APIHandler(compat.ResizeContainer)).Methods(http.MethodPost)
+ // swagger:operation GET /containers/{name}/export compat exportContainer
+ // ---
+ // tags:
+ // - containers (compat)
+ // summary: Export a container
+ // description: Export the contents of a container as a tarball.
+ // parameters:
+ // - in: path
+ // name: name
+ // type: string
+ // required: true
+ // description: the name or ID of the container
+ // produces:
+ // - application/json
+ // responses:
+ // 200:
+ // description: tarball is returned in body
+ // 404:
+ // $ref: "#/responses/NoSuchContainer"
+ // 500:
+ // $ref: "#/responses/InternalError"
+ r.HandleFunc(VersionedPath("/containers/{name}/export"), s.APIHandler(compat.ExportContainer)).Methods(http.MethodGet)
+ r.HandleFunc("/containers/{name}/export", s.APIHandler(compat.ExportContainer)).Methods(http.MethodGet)
/*
libpod endpoints
@@ -1237,5 +1260,27 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error {
// 500:
// $ref: "#/responses/InternalError"
r.HandleFunc(VersionedPath("/libpod/containers/{name}/resize"), s.APIHandler(compat.ResizeContainer)).Methods(http.MethodPost)
+ // swagger:operation GET /libpod/containers/{name}/export libpod libpodExportContainer
+ // ---
+ // tags:
+ // - containers
+ // summary: Export a container
+ // description: Export the contents of a container as a tarball.
+ // parameters:
+ // - in: path
+ // name: name
+ // type: string
+ // required: true
+ // description: the name or ID of the container
+ // produces:
+ // - application/json
+ // responses:
+ // 200:
+ // description: tarball is returned in body
+ // 404:
+ // $ref: "#/responses/NoSuchContainer"
+ // 500:
+ // $ref: "#/responses/InternalError"
+ r.HandleFunc(VersionedPath("/libpod/containers/{name}/export"), s.APIHandler(compat.ExportContainer)).Methods(http.MethodGet)
return nil
}
diff --git a/pkg/bindings/containers/containers.go b/pkg/bindings/containers/containers.go
index bad1294f4..49a2dfd58 100644
--- a/pkg/bindings/containers/containers.go
+++ b/pkg/bindings/containers/containers.go
@@ -2,6 +2,7 @@ package containers
import (
"context"
+ "io"
"net/http"
"net/url"
"strconv"
@@ -296,3 +297,22 @@ func Stop(ctx context.Context, nameOrID string, timeout *uint) error {
}
return response.Process(nil)
}
+
+// Export creates a tarball of the given name or ID of a container. It
+// requires an io.Writer be provided to write the tarball.
+func Export(ctx context.Context, nameOrID string, w io.Writer) error {
+ params := url.Values{}
+ conn, err := bindings.GetClient(ctx)
+ if err != nil {
+ return err
+ }
+ response, err := conn.DoRequest(nil, http.MethodGet, "/containers/%s/export", params, nameOrID)
+ if err != nil {
+ return err
+ }
+ if response.StatusCode/100 == 2 {
+ _, err = io.Copy(w, response.Body)
+ return err
+ }
+ return response.Process(nil)
+}
diff --git a/pkg/bindings/images/images.go b/pkg/bindings/images/images.go
index ddc67bebc..6c739494b 100644
--- a/pkg/bindings/images/images.go
+++ b/pkg/bindings/images/images.go
@@ -91,11 +91,11 @@ func History(ctx context.Context, nameOrID string) ([]*handlers.HistoryResponse,
return history, response.Process(&history)
}
-func Load(ctx context.Context, r io.Reader, name *string) (string, error) {
- var id handlers.IDResponse
+func Load(ctx context.Context, r io.Reader, name *string) (*entities.ImageLoadReport, error) {
+ var report entities.ImageLoadReport
conn, err := bindings.GetClient(ctx)
if err != nil {
- return "", err
+ return nil, err
}
params := url.Values{}
if name != nil {
@@ -103,9 +103,9 @@ func Load(ctx context.Context, r io.Reader, name *string) (string, error) {
}
response, err := conn.DoRequest(r, http.MethodPost, "/images/load", params)
if err != nil {
- return "", err
+ return nil, err
}
- return id.ID, response.Process(&id)
+ return &report, response.Process(&report)
}
// Remove deletes an image from local storage. The optional force parameter will forcibly remove
diff --git a/pkg/bindings/test/images_test.go b/pkg/bindings/test/images_test.go
index dc01a793b..992720196 100644
--- a/pkg/bindings/test/images_test.go
+++ b/pkg/bindings/test/images_test.go
@@ -219,7 +219,7 @@ var _ = Describe("Podman images", func() {
Expect(err).To(BeNil())
names, err := images.Load(bt.conn, f, nil)
Expect(err).To(BeNil())
- Expect(names).To(Equal(alpine.name))
+ Expect(names.Name).To(Equal(alpine.name))
exists, err = images.Exists(bt.conn, alpine.name)
Expect(err).To(BeNil())
Expect(exists).To(BeTrue())
@@ -235,7 +235,7 @@ var _ = Describe("Podman images", func() {
newName := "quay.io/newname:fizzle"
names, err = images.Load(bt.conn, f, &newName)
Expect(err).To(BeNil())
- Expect(names).To(Equal(alpine.name))
+ Expect(names.Name).To(Equal(alpine.name))
exists, err = images.Exists(bt.conn, newName)
Expect(err).To(BeNil())
Expect(exists).To(BeTrue())
diff --git a/pkg/domain/entities/containers.go b/pkg/domain/entities/containers.go
index b7f1cd812..d51124f55 100644
--- a/pkg/domain/entities/containers.go
+++ b/pkg/domain/entities/containers.go
@@ -117,3 +117,7 @@ type CommitOptions struct {
type CommitReport struct {
Id string
}
+
+type ContainerExportOptions struct {
+ Output string
+}
diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go
index c5f46ccfc..a122857cd 100644
--- a/pkg/domain/entities/engine_container.go
+++ b/pkg/domain/entities/engine_container.go
@@ -10,6 +10,7 @@ type ContainerEngine interface {
ContainerCommit(ctx context.Context, nameOrId string, options CommitOptions) (*CommitReport, error)
ContainerExists(ctx context.Context, nameOrId string) (*BoolReport, error)
ContainerInspect(ctx context.Context, namesOrIds []string, options InspectOptions) ([]*ContainerInspectReport, error)
+ ContainerExport(ctx context.Context, nameOrId string, options ContainerExportOptions) error
ContainerKill(ctx context.Context, namesOrIds []string, options KillOptions) ([]*KillReport, error)
ContainerPause(ctx context.Context, namesOrIds []string, options PauseUnPauseOptions) ([]*PauseUnpauseReport, error)
ContainerRestart(ctx context.Context, namesOrIds []string, options RestartOptions) ([]*RestartReport, error)
diff --git a/pkg/domain/entities/engine_image.go b/pkg/domain/entities/engine_image.go
index 2ca48e795..4cc2a67b9 100644
--- a/pkg/domain/entities/engine_image.go
+++ b/pkg/domain/entities/engine_image.go
@@ -14,4 +14,5 @@ type ImageEngine interface {
Pull(ctx context.Context, rawImage string, opts ImagePullOptions) (*ImagePullReport, error)
Tag(ctx context.Context, nameOrId string, tags []string, options ImageTagOptions) error
Untag(ctx context.Context, nameOrId string, tags []string, options ImageUntagOptions) error
+ Load(ctx context.Context, opts ImageLoadOptions) (*ImageLoadReport, error)
}
diff --git a/pkg/domain/entities/images.go b/pkg/domain/entities/images.go
index 20682b05b..a6c7baebd 100644
--- a/pkg/domain/entities/images.go
+++ b/pkg/domain/entities/images.go
@@ -172,3 +172,15 @@ type ImageInspectReport struct {
Images []*ImageData
Errors map[string]error
}
+
+type ImageLoadOptions struct {
+ Name string
+ Tag string
+ Input string
+ Quiet bool
+ SignaturePolicy string
+}
+
+type ImageLoadReport struct {
+ Name string
+}
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index 172c7d1a3..d4c5ac311 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -325,3 +325,11 @@ func (ic *ContainerEngine) ContainerCommit(ctx context.Context, nameOrId string,
}
return &entities.CommitReport{Id: newImage.ID()}, nil
}
+
+func (ic *ContainerEngine) ContainerExport(ctx context.Context, nameOrId string, options entities.ContainerExportOptions) error {
+ ctr, err := ic.Libpod.LookupContainer(nameOrId)
+ if err != nil {
+ return err
+ }
+ return ctr.Export(options.Output)
+}
diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go
index 5a7acb2f7..c3a2bb288 100644
--- a/pkg/domain/infra/abi/images.go
+++ b/pkg/domain/infra/abi/images.go
@@ -315,3 +315,24 @@ func (ir *ImageEngine) Untag(ctx context.Context, nameOrId string, tags []string
}
return nil
}
+
+func (ir *ImageEngine) Load(ctx context.Context, opts entities.ImageLoadOptions) (*entities.ImageLoadReport, error) {
+ var (
+ writer io.Writer
+ )
+ if !opts.Quiet {
+ writer = os.Stderr
+ }
+ name, err := ir.Libpod.LoadImage(ctx, opts.Name, opts.Input, writer, opts.SignaturePolicy)
+ if err != nil {
+ return nil, err
+ }
+ newImage, err := ir.Libpod.ImageRuntime().NewFromLocal(name)
+ if err != nil {
+ return nil, errors.Wrap(err, "image loaded but no additional tags were created")
+ }
+ if err := newImage.TagImage(opts.Name); err != nil {
+ return nil, errors.Wrapf(err, "error adding %q to image %q", opts.Name, newImage.InputName)
+ }
+ return &entities.ImageLoadReport{Name: name}, nil
+}
diff --git a/pkg/domain/infra/tunnel/containers.go b/pkg/domain/infra/tunnel/containers.go
index c1bade4ba..8885ae7c7 100644
--- a/pkg/domain/infra/tunnel/containers.go
+++ b/pkg/domain/infra/tunnel/containers.go
@@ -2,6 +2,8 @@ package tunnel
import (
"context"
+ "io"
+ "os"
"github.com/containers/image/v5/docker/reference"
@@ -210,3 +212,17 @@ func (ic *ContainerEngine) ContainerCommit(ctx context.Context, nameOrId string,
}
return &entities.CommitReport{Id: response.ID}, nil
}
+
+func (ic *ContainerEngine) ContainerExport(ctx context.Context, nameOrId string, options entities.ContainerExportOptions) error {
+ var (
+ err error
+ w io.Writer
+ )
+ if len(options.Output) > 0 {
+ w, err = os.Create(options.Output)
+ if err != nil {
+ return err
+ }
+ }
+ return containers.Export(ic.ClientCxt, nameOrId, w)
+}
diff --git a/pkg/domain/infra/tunnel/images.go b/pkg/domain/infra/tunnel/images.go
index 6a8b9be37..a4a0fccaf 100644
--- a/pkg/domain/infra/tunnel/images.go
+++ b/pkg/domain/infra/tunnel/images.go
@@ -2,6 +2,7 @@ package tunnel
import (
"context"
+ "os"
"github.com/containers/image/v5/docker/reference"
images "github.com/containers/libpod/pkg/bindings/images"
@@ -157,3 +158,12 @@ func (ir *ImageEngine) Inspect(_ context.Context, names []string, opts entities.
}
return &report, nil
}
+
+func (ir *ImageEngine) Load(ctx context.Context, opts entities.ImageLoadOptions) (*entities.ImageLoadReport, error) {
+ f, err := os.Open(opts.Input)
+ if err != nil {
+ return nil, err
+ }
+ defer f.Close()
+ return images.Load(ir.ClientCxt, f, &opts.Name)
+}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-02 08:35:54 +0000