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-rwxr-xr-xAPI.md18
-rw-r--r--cmd/podman/tree.go77
-rw-r--r--cmd/podman/varlink/io.podman.varlink10
-rw-r--r--libpod/image/image.go28
-rw-r--r--pkg/adapter/images.go34
-rw-r--r--pkg/adapter/images_remote.go32
-rw-r--r--pkg/adapter/runtime_remote.go7
-rw-r--r--pkg/varlinkapi/images.go38
8 files changed, 181 insertions, 63 deletions
diff --git a/API.md b/API.md
index f1c1b89cd..0accf5009 100755
--- a/API.md
+++ b/API.md
@@ -5,6 +5,8 @@ in the [API.md](https://github.com/containers/libpod/blob/master/API.md) file in
[func BuildImage(build: BuildInfo) MoreResponse](#BuildImage)
+[func BuildImageHierarchyMap(name: string) string](#BuildImageHierarchyMap)
+
[func Commit(name: string, image_name: string, changes: []string, author: string, message: string, pause: bool, manifestType: string) string](#Commit)
[func ContainerArtifacts(name: string, artifactName: string) string](#ContainerArtifacts)
@@ -57,6 +59,8 @@ in the [API.md](https://github.com/containers/libpod/blob/master/API.md) file in
[func GetInfo() PodmanInfo](#GetInfo)
+[func GetLayersMapWithImageInfo() string](#GetLayersMapWithImageInfo)
+
[func GetPod(name: string) ListPodData](#GetPod)
[func GetPodStats(name: string) string, ContainerStats](#GetPodStats)
@@ -259,6 +263,11 @@ method BuildImage(build: [BuildInfo](#BuildInfo)) [MoreResponse](#MoreResponse)<
BuildImage takes a [BuildInfo](#BuildInfo) structure and builds an image. At a minimum, you must provide the
'dockerfile' and 'tags' options in the BuildInfo structure. It will return a [MoreResponse](#MoreResponse) structure
that contains the build logs and resulting image ID.
+### <a name="BuildImageHierarchyMap"></a>func BuildImageHierarchyMap
+<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;">
+
+method BuildImageHierarchyMap(name: [string](https://godoc.org/builtin#string)) [string](https://godoc.org/builtin#string)</div>
+BuildImageHierarchyMap is for the development of Podman and should not be used.
### <a name="Commit"></a>func Commit
<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;">
@@ -396,7 +405,7 @@ $ varlink call -m unix:/run/podman/io.podman/io.podman.DeleteUnusedImages
<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;">
method Diff(name: [string](https://godoc.org/builtin#string)) [DiffInfo](#DiffInfo)</div>
-
+Diff returns a diff between libpod objects
### <a name="ExportContainer"></a>func ExportContainer
<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;">
@@ -520,6 +529,11 @@ If the image caGetImage returns be found, [ImageNotFound](#ImageNotFound) will b
method GetInfo() [PodmanInfo](#PodmanInfo)</div>
GetInfo returns a [PodmanInfo](#PodmanInfo) struct that describes podman and its host such as storage stats,
build information of Podman, and system-wide registries.
+### <a name="GetLayersMapWithImageInfo"></a>func GetLayersMapWithImageInfo
+<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;">
+
+method GetLayersMapWithImageInfo() [string](https://godoc.org/builtin#string)</div>
+GetLayersMapWithImageInfo is for the development of Podman and should not be used.
### <a name="GetPod"></a>func GetPod
<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;">
@@ -1507,6 +1521,8 @@ containers [int](https://godoc.org/builtin#int)
labels [map[string]](#map[string])
isParent [bool](https://godoc.org/builtin#bool)
+
+topLayer [string](https://godoc.org/builtin#string)
### <a name="ImageHistory"></a>type ImageHistory
ImageHistory describes the returned structure from ImageHistory.
diff --git a/cmd/podman/tree.go b/cmd/podman/tree.go
index c56e35aef..371e88495 100644
--- a/cmd/podman/tree.go
+++ b/cmd/podman/tree.go
@@ -5,9 +5,9 @@ import (
"fmt"
"github.com/containers/libpod/cmd/podman/cliconfig"
- "github.com/containers/libpod/cmd/podman/libpodruntime"
"github.com/containers/libpod/libpod/image"
- units "github.com/docker/go-units"
+ "github.com/containers/libpod/pkg/adapter"
+ "github.com/docker/go-units"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
@@ -41,16 +41,6 @@ func init() {
treeCommand.Flags().BoolVar(&treeCommand.WhatRequires, "whatrequires", false, "Show all child images and layers of the specified image")
}
-// infoImage keep information of Image along with all associated layers
-type infoImage struct {
- // id of image
- id string
- // tags of image
- tags []string
- // layers stores all layers of image.
- layers []image.LayerInfo
-}
-
func treeCmd(c *cliconfig.TreeValues) error {
args := c.InputArgs
if len(args) == 0 {
@@ -60,46 +50,33 @@ func treeCmd(c *cliconfig.TreeValues) error {
return errors.Errorf("you must provide at most 1 argument")
}
- runtime, err := libpodruntime.GetRuntime(&c.PodmanCommand)
+ runtime, err := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "error creating libpod runtime")
}
defer runtime.Shutdown(false)
-
- img, err := runtime.ImageRuntime().NewFromLocal(args[0])
+ imageInfo, layerInfoMap, img, err := runtime.Tree(c)
if err != nil {
return err
}
+ return printTree(imageInfo, layerInfoMap, img, c.WhatRequires)
+}
- // Fetch map of image-layers, which is used for printing output.
- layerInfoMap, err := image.GetLayersMapWithImageInfo(runtime.ImageRuntime())
- if err != nil {
- return errors.Wrapf(err, "error while retriving layers of image %q", img.InputName)
- }
-
- // Create an imageInfo and fill the image and layer info
- imageInfo := &infoImage{
- id: img.ID(),
- tags: img.Names(),
- }
-
+func printTree(imageInfo *image.InfoImage, layerInfoMap map[string]*image.LayerInfo, img *adapter.ContainerImage, whatRequires bool) error {
size, err := img.Size(context.Background())
if err != nil {
- return errors.Wrapf(err, "error while retriving image size")
+ return err
}
- fmt.Printf("Image ID: %s\n", imageInfo.id[:12])
- fmt.Printf("Tags:\t %s\n", imageInfo.tags)
+
+ fmt.Printf("Image ID: %s\n", imageInfo.ID[:12])
+ fmt.Printf("Tags:\t %s\n", imageInfo.Tags)
fmt.Printf("Size:\t %v\n", units.HumanSizeWithPrecision(float64(*size), 4))
fmt.Printf(fmt.Sprintf("Image Layers\n"))
- if !c.WhatRequires {
+ if !whatRequires {
// fill imageInfo with layers associated with image.
// the layers will be filled such that
// (Start)RootLayer->...intermediate Parent Layer(s)-> TopLayer(End)
- err := buildImageHierarchyMap(imageInfo, layerInfoMap, img.TopLayer())
- if err != nil {
- return err
- }
// Build output from imageInfo into buffer
printImageHierarchy(imageInfo)
@@ -108,30 +85,8 @@ func treeCmd(c *cliconfig.TreeValues) error {
// the layers will be filled such that
// (Start)TopLayer->...intermediate Child Layer(s)-> Child TopLayer(End)
// (Forks)... intermediate Child Layer(s) -> Child Top Layer(End)
- err := printImageChildren(layerInfoMap, img.TopLayer(), "", true)
- if err != nil {
- return err
- }
- }
-
- return nil
-}
-
-// Stores hierarchy of images such that all parent layers using which image is built are stored in imageInfo
-// Layers are added such that (Start)RootLayer->...intermediate Parent Layer(s)-> TopLayer(End)
-func buildImageHierarchyMap(imageInfo *infoImage, layerMap map[string]*image.LayerInfo, layerID string) error {
- if layerID == "" {
- return nil
- }
- ll, ok := layerMap[layerID]
- if !ok {
- return fmt.Errorf("lookup error: layerid %s not found", layerID)
+ return printImageChildren(layerInfoMap, img.TopLayer(), "", true)
}
- if err := buildImageHierarchyMap(imageInfo, layerMap, ll.ParentID); err != nil {
- return err
- }
-
- imageInfo.layers = append(imageInfo.layers, *ll)
return nil
}
@@ -175,14 +130,14 @@ func printImageChildren(layerMap map[string]*image.LayerInfo, layerID string, pr
}
// prints the layers info of image
-func printImageHierarchy(imageInfo *infoImage) {
- for count, l := range imageInfo.layers {
+func printImageHierarchy(imageInfo *image.InfoImage) {
+ for count, l := range imageInfo.Layers {
var tags string
intend := middleItem
if len(l.RepoTags) > 0 {
tags = fmt.Sprintf(" Top Layer of: %s", l.RepoTags)
}
- if count == len(imageInfo.layers)-1 {
+ if count == len(imageInfo.Layers)-1 {
intend = lastItem
}
fmt.Printf("%s ID: %s Size: %7v%s\n", intend, l.ID[:12], units.HumanSizeWithPrecision(float64(l.Size), 4), tags)
diff --git a/cmd/podman/varlink/io.podman.varlink b/cmd/podman/varlink/io.podman.varlink
index 2ff06a6f6..92fdcd20f 100644
--- a/cmd/podman/varlink/io.podman.varlink
+++ b/cmd/podman/varlink/io.podman.varlink
@@ -68,7 +68,8 @@ type Image (
virtualSize: int,
containers: int,
labels: [string]string,
- isParent: bool
+ isParent: bool,
+ topLayer: string
)
# ImageHistory describes the returned structure from ImageHistory.
@@ -1161,8 +1162,15 @@ method LoadImage(name: string, inputFile: string, quiet: bool, deleteFile: bool)
# GetEvents returns known libpod events filtered by the options provided.
method GetEvents(filter: []string, since: string, until: string) -> (events: Event)
+# Diff returns a diff between libpod objects
method Diff(name: string) -> (diffs: []DiffInfo)
+# GetLayersMapWithImageInfo is for the development of Podman and should not be used.
+method GetLayersMapWithImageInfo() -> (layerMap: string)
+
+# BuildImageHierarchyMap is for the development of Podman and should not be used.
+method BuildImageHierarchyMap(name: string) -> (imageInfo: string)
+
# ImageNotFound means the image could not be found by the provided name or ID in local storage.
error ImageNotFound (id: string, reason: string)
diff --git a/libpod/image/image.go b/libpod/image/image.go
index 4862bf1d6..cc056b816 100644
--- a/libpod/image/image.go
+++ b/libpod/image/image.go
@@ -68,6 +68,16 @@ type Runtime struct {
EventsLogFilePath string
}
+// InfoImage keep information of Image along with all associated layers
+type InfoImage struct {
+ // ID of image
+ ID string
+ // Tags of image
+ Tags []string
+ // Layers stores all layers of image.
+ Layers []LayerInfo
+}
+
// ErrRepoTagNotFound is the error returned when the image id given doesn't match a rep tag in store
var ErrRepoTagNotFound = errors.New("unable to match user input to any specific repotag")
@@ -1277,3 +1287,21 @@ func GetLayersMapWithImageInfo(imageruntime *Runtime) (map[string]*LayerInfo, er
}
return layerInfoMap, nil
}
+
+// BuildImageHierarchyMap stores hierarchy of images such that all parent layers using which image is built are stored in imageInfo
+// Layers are added such that (Start)RootLayer->...intermediate Parent Layer(s)-> TopLayer(End)
+func BuildImageHierarchyMap(imageInfo *InfoImage, layerMap map[string]*LayerInfo, layerID string) error {
+ if layerID == "" {
+ return nil
+ }
+ ll, ok := layerMap[layerID]
+ if !ok {
+ return fmt.Errorf("lookup error: layerid %s not found", layerID)
+ }
+ if err := BuildImageHierarchyMap(imageInfo, layerMap, ll.ParentID); err != nil {
+ return err
+ }
+
+ imageInfo.Layers = append(imageInfo.Layers, *ll)
+ return nil
+}
diff --git a/pkg/adapter/images.go b/pkg/adapter/images.go
new file mode 100644
index 000000000..c8ea1cdea
--- /dev/null
+++ b/pkg/adapter/images.go
@@ -0,0 +1,34 @@
+// +build !remoteclient
+
+package adapter
+
+import (
+ "github.com/containers/libpod/cmd/podman/cliconfig"
+ "github.com/containers/libpod/libpod/image"
+ "github.com/pkg/errors"
+)
+
+// Tree ...
+func (r *LocalRuntime) Tree(c *cliconfig.TreeValues) (*image.InfoImage, map[string]*image.LayerInfo, *ContainerImage, error) {
+ img, err := r.NewImageFromLocal(c.InputArgs[0])
+ if err != nil {
+ return nil, nil, nil, err
+ }
+
+ // Fetch map of image-layers, which is used for printing output.
+ layerInfoMap, err := image.GetLayersMapWithImageInfo(r.Runtime.ImageRuntime())
+ if err != nil {
+ return nil, nil, nil, errors.Wrapf(err, "error while retrieving layers of image %q", img.InputName)
+ }
+
+ // Create an imageInfo and fill the image and layer info
+ imageInfo := &image.InfoImage{
+ ID: img.ID(),
+ Tags: img.Names(),
+ }
+
+ if err := image.BuildImageHierarchyMap(imageInfo, layerInfoMap, img.TopLayer()); err != nil {
+ return nil, nil, nil, err
+ }
+ return imageInfo, layerInfoMap, img, nil
+}
diff --git a/pkg/adapter/images_remote.go b/pkg/adapter/images_remote.go
index e7b38dccc..722058d4a 100644
--- a/pkg/adapter/images_remote.go
+++ b/pkg/adapter/images_remote.go
@@ -6,8 +6,11 @@ import (
"context"
"encoding/json"
+ "github.com/containers/libpod/cmd/podman/cliconfig"
iopodman "github.com/containers/libpod/cmd/podman/varlink"
+ "github.com/containers/libpod/libpod/image"
"github.com/containers/libpod/pkg/inspect"
+ "github.com/pkg/errors"
)
// Inspect returns returns an ImageData struct from over a varlink connection
@@ -22,3 +25,32 @@ func (i *ContainerImage) Inspect(ctx context.Context) (*inspect.ImageData, error
}
return &data, nil
}
+
+// Tree ...
+func (r *LocalRuntime) Tree(c *cliconfig.TreeValues) (*image.InfoImage, map[string]*image.LayerInfo, *ContainerImage, error) {
+ layerInfoMap := make(map[string]*image.LayerInfo)
+ imageInfo := &image.InfoImage{}
+
+ img, err := r.NewImageFromLocal(c.InputArgs[0])
+ if err != nil {
+ return nil, nil, nil, err
+ }
+
+ reply, err := iopodman.GetLayersMapWithImageInfo().Call(r.Conn)
+ if err != nil {
+ return nil, nil, nil, errors.Wrap(err, "failed to obtain image layers")
+ }
+ if err := json.Unmarshal([]byte(reply), &layerInfoMap); err != nil {
+ return nil, nil, nil, errors.Wrap(err, "failed to unmarshal image layers")
+ }
+
+ reply, err = iopodman.BuildImageHierarchyMap().Call(r.Conn, c.InputArgs[0])
+ if err != nil {
+ return nil, nil, nil, errors.Wrap(err, "failed to get build image map")
+ }
+ if err := json.Unmarshal([]byte(reply), imageInfo); err != nil {
+ return nil, nil, nil, errors.Wrap(err, "failed to unmarshal build image map")
+ }
+
+ return imageInfo, layerInfoMap, img, nil
+}
diff --git a/pkg/adapter/runtime_remote.go b/pkg/adapter/runtime_remote.go
index 978c9ffd8..807a9ad8f 100644
--- a/pkg/adapter/runtime_remote.go
+++ b/pkg/adapter/runtime_remote.go
@@ -82,6 +82,7 @@ type remoteImage struct {
Digest digest.Digest
isParent bool
Runtime *LocalRuntime
+ TopLayer string
}
// Container ...
@@ -147,6 +148,7 @@ func imageInListToContainerImage(i iopodman.Image, name string, runtime *LocalRu
Names: i.RepoTags,
isParent: i.IsParent,
Runtime: runtime,
+ TopLayer: i.TopLayer,
}
return &ContainerImage{ri}, nil
}
@@ -280,6 +282,11 @@ func (ci *ContainerImage) Dangling() bool {
return len(ci.Names()) == 0
}
+// TopLayer returns an images top layer as a string
+func (ci *ContainerImage) TopLayer() string {
+ return ci.remoteImage.TopLayer
+}
+
// TagImage ...
func (ci *ContainerImage) TagImage(tag string) error {
_, err := iopodman.TagImage().Call(ci.Runtime.Conn, ci.ID(), tag)
diff --git a/pkg/varlinkapi/images.go b/pkg/varlinkapi/images.go
index 63d500204..8cd13e251 100644
--- a/pkg/varlinkapi/images.go
+++ b/pkg/varlinkapi/images.go
@@ -103,6 +103,7 @@ func (i *LibpodAPI) GetImage(call iopodman.VarlinkCall, id string) error {
VirtualSize: newImage.VirtualSize,
Containers: int64(len(containers)),
Labels: labels,
+ TopLayer: newImage.TopLayer(),
}
return call.ReplyGetImage(il)
}
@@ -923,3 +924,40 @@ func (i *LibpodAPI) Diff(call iopodman.VarlinkCall, name string) error {
}
return call.ReplyDiff(response)
}
+
+// GetLayersMapWithImageInfo is a development only endpoint to obtain layer information for an image.
+func (i *LibpodAPI) GetLayersMapWithImageInfo(call iopodman.VarlinkCall) error {
+ layerInfo, err := image.GetLayersMapWithImageInfo(i.Runtime.ImageRuntime())
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ b, err := json.Marshal(layerInfo)
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ return call.ReplyGetLayersMapWithImageInfo(string(b))
+}
+
+// BuildImageHierarchyMap ...
+func (i *LibpodAPI) BuildImageHierarchyMap(call iopodman.VarlinkCall, name string) error {
+ img, err := i.Runtime.ImageRuntime().NewFromLocal(name)
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ imageInfo := &image.InfoImage{
+ ID: img.ID(),
+ Tags: img.Names(),
+ }
+ layerInfo, err := image.GetLayersMapWithImageInfo(i.Runtime.ImageRuntime())
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ if err := image.BuildImageHierarchyMap(imageInfo, layerInfo, img.TopLayer()); err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ b, err := json.Marshal(imageInfo)
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ return call.ReplyBuildImageHierarchyMap(string(b))
+}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-24 17:53:40 +0000