Merge pull request #446 from vieux/rmi

add docker rmi

Godeps/Godeps.json

@@ -60,7 +60,7 @@
 		},
 		{
 			"ImportPath": "github.com/samalba/dockerclient",
-			"Rev": "0fdc3ca0e58365801f1212900def9c7c60bbe2c7"
+			"Rev": "0689bcd74173c6abd6394b7ad435df46b0df26f8"
 		},
 		{
 			"ImportPath": "github.com/samuel/go-zookeeper/zk",

Godeps/_workspace/src/github.com/samalba/dockerclient/dockerclient.go

@@ -333,10 +333,17 @@ func (client *DockerClient) ListImages() ([]*Image, error) {
 	return images, nil
 }
 
-func (client *DockerClient) RemoveImage(name string) error {
+func (client *DockerClient) RemoveImage(name string) ([]*ImageDelete, error) {
 	uri := fmt.Sprintf("/%s/images/%s", APIVersion, name)
-	_, err := client.doRequest("DELETE", uri, nil, nil)
-	return err
+	data, err := client.doRequest("DELETE", uri, nil, nil)
+	if err != nil {
+		return nil, err
+	}
+	var imageDelete []*ImageDelete
+	if err := json.Unmarshal(data, &imageDelete); err != nil {
+		return nil, err
+	}
+	return imageDelete, nil
 }
 
 func (client *DockerClient) PauseContainer(id string) error {

Godeps/_workspace/src/github.com/samalba/dockerclient/interface.go

@@ -23,7 +23,7 @@ type Client interface {
 	PullImage(name string, auth *AuthConfig) error
 	RemoveContainer(id string, force, volumes bool) error
 	ListImages() ([]*Image, error)
-	RemoveImage(name string) error
+	RemoveImage(name string) ([]*ImageDelete, error)
 	PauseContainer(name string) error
 	UnpauseContainer(name string) error
 }

Godeps/_workspace/src/github.com/samalba/dockerclient/mockclient/mock.go

@@ -88,9 +88,9 @@ func (client *MockClient) ListImages() ([]*dockerclient.Image, error) {
 	return args.Get(0).([]*dockerclient.Image), args.Error(1)
 }
 
-func (client *MockClient) RemoveImage(name string) error {
+func (client *MockClient) RemoveImage(name string) ([]*dockerclient.ImageDelete, error) {
 	args := client.Mock.Called(name)
-	return args.Error(0)
+	return args.Get(0).([]*dockerclient.ImageDelete), args.Error(1)
 }
 
 func (client *MockClient) PauseContainer(name string) error {

Godeps/_workspace/src/github.com/samalba/dockerclient/types.go

@@ -166,3 +166,8 @@ type Info struct {
 	Name            string
 	Labels          []string
 }
+
+type ImageDelete struct {
+	Deleted  string
+	Untagged string
+}

api/README.md

@@ -22,8 +22,6 @@ POST "/images/create" (pull implemented)
 POST "/images/load"
 POST "/images/{name:.*}/push"
 POST "/images/{name:.*}/tag"
-
-DELETE "/images/{name:.*}"
 ```
 
 ## Endpoints which behave differently

api/api.go

@@ -330,6 +330,46 @@ func postContainersExec(c *context, w http.ResponseWriter, r *http.Request) {
 	w.Write(data)
 }
 
+// DELETE /images/{name:.*}
+func deleteImages(c *context, w http.ResponseWriter, r *http.Request) {
+	if err := r.ParseForm(); err != nil {
+		httpError(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	var name = mux.Vars(r)["name"]
+
+	matchedImages := []*cluster.Image{}
+	for _, image := range c.cluster.Images() {
+		if image.Match(name) {
+			matchedImages = append(matchedImages, image)
+		}
+	}
+
+	if len(matchedImages) == 0 {
+		httpError(w, fmt.Sprintf("No such image %s", name), http.StatusNotFound)
+		return
+	}
+
+	out := []*dockerclient.ImageDelete{}
+	errs := []string{}
+	for _, image := range matchedImages {
+		content, err := c.cluster.RemoveImage(image)
+		if err != nil {
+			errs = append(errs, fmt.Sprintf("%s: %s", image.Node.Name(), err.Error()))
+			continue
+		}
+		out = append(out, content...)
+	}
+
+	if len(errs) != 0 {
+		httpError(w, strings.Join(errs, ""), http.StatusInternalServerError)
+	} else {
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(NewWriteFlusher(w)).Encode(out)
+	}
+
+}
+
 // GET /_ping
 func ping(c *context, w http.ResponseWriter, r *http.Request) {
 	w.Write([]byte{'O', 'K'})
@@ -467,7 +507,7 @@ func createRouter(c *context, enableCors bool) *mux.Router {
 		},
 		"DELETE": {
 			"/containers/{name:.*}": deleteContainers,
-			"/images/{name:.*}":     notImplementedHandler,
+			"/images/{name:.*}":     deleteImages,
 		},
 		"OPTIONS": {
 			"": optionsHandler,

cluster/cluster.go

@@ -15,6 +15,9 @@ type Cluster interface {
 	// Return one image matching `IdOrName`
 	Image(IdOrName string) *Image
 
+	// Remove an image from the cluster
+	RemoveImage(image *Image) ([]*dockerclient.ImageDelete, error)
+
 	// Return all containers
 	Containers() []*Container
 

cluster/image.go

@@ -1,9 +1,27 @@
 package cluster
 
-import "github.com/samalba/dockerclient"
+import (
+	"strings"
+
+	"github.com/samalba/dockerclient"
+)
 
 type Image struct {
 	dockerclient.Image
 
 	Node Node
 }
+
+func (image *Image) Match(IdOrName string) bool {
+	size := len(IdOrName)
+
+	if image.Id == IdOrName || (size > 2 && strings.HasPrefix(image.Id, IdOrName)) {
+		return true
+	}
+	for _, repoTag := range image.RepoTags {
+		if repoTag == IdOrName || (size > 2 && strings.HasPrefix(repoTag, IdOrName)) {
+			return true
+		}
+	}
+	return false
+}

cluster/swarm/cluster.go

@@ -173,7 +173,7 @@ func (c *Cluster) getNode(addr string) *node {
 	return nil
 }
 
-// Containers returns all the images in the cluster.
+// Images returns all the images in the cluster.
 func (c *Cluster) Images() []*cluster.Image {
 	c.RLock()
 	defer c.RUnlock()
@@ -204,6 +204,16 @@ func (c *Cluster) Image(IdOrName string) *cluster.Image {
 	return nil
 }
 
+// RemoveImage removes an image from the cluster
+func (c *Cluster) RemoveImage(image *cluster.Image) ([]*dockerclient.ImageDelete, error) {
+	c.Lock()
+	defer c.Unlock()
+	if n, ok := image.Node.(*node); ok {
+		return n.removeImage(image)
+	}
+	return nil, nil
+}
+
 func (c *Cluster) Pull(name string, callback func(what, status string)) {
 	size := len(c.nodes)
 	done := make(chan bool, size)

cluster/swarm/node.go

@@ -163,6 +163,11 @@ func (n *node) updateSpecs() error {
 	return nil
 }
 
+// Delete an image from the node.
+func (n *node) removeImage(image *cluster.Image) ([]*dockerclient.ImageDelete, error) {
+	return n.client.RemoveImage(image.Id)
+}
+
 // Refresh the list of images on the node.
 func (n *node) refreshImages() error {
 	images, err := n.client.ListImages()
@@ -459,9 +464,11 @@ func (n *node) Container(IdOrName string) *cluster.Container {
 	return nil
 }
 
+// Images returns all the images in the node
 func (n *node) Images() []*cluster.Image {
 	images := []*cluster.Image{}
 	n.RLock()
+
 	for _, image := range n.images {
 		images = append(images, image)
 	}
@@ -474,16 +481,10 @@ func (n *node) Image(IdOrName string) *cluster.Image {
 	n.RLock()
 	defer n.RUnlock()
 
-	size := len(IdOrName)
-	for _, image := range n.Images() {
-		if image.Id == IdOrName || (size > 2 && strings.HasPrefix(image.Id, IdOrName)) {
+	for _, image := range n.images {
+		if image.Match(IdOrName) {
 			return image
 		}
-		for _, t := range image.RepoTags {
-			if t == IdOrName || (size > 2 && strings.HasPrefix(t, IdOrName)) {
-				return image
-			}
-		}
 	}
 	return nil
 }