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-rw-r--r--pkg/api/handlers/libpod/containers_stats.go72
-rw-r--r--pkg/api/handlers/libpod/images.go173
-rw-r--r--pkg/api/handlers/libpod/images_pull.go202
-rw-r--r--pkg/api/handlers/libpod/manifests.go17
-rw-r--r--pkg/api/handlers/libpod/networks.go4
-rw-r--r--pkg/api/handlers/libpod/play.go4
6 files changed, 323 insertions, 149 deletions
diff --git a/pkg/api/handlers/libpod/containers_stats.go b/pkg/api/handlers/libpod/containers_stats.go
new file mode 100644
index 000000000..4d5abe118
--- /dev/null
+++ b/pkg/api/handlers/libpod/containers_stats.go
@@ -0,0 +1,72 @@
+package libpod
+
+import (
+ "encoding/json"
+ "net/http"
+ "time"
+
+ "github.com/containers/podman/v2/libpod"
+ "github.com/containers/podman/v2/pkg/api/handlers/utils"
+ "github.com/containers/podman/v2/pkg/domain/entities"
+ "github.com/containers/podman/v2/pkg/domain/infra/abi"
+ "github.com/gorilla/schema"
+ "github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
+)
+
+const DefaultStatsPeriod = 5 * time.Second
+
+func StatsContainer(w http.ResponseWriter, r *http.Request) {
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+
+ query := struct {
+ Containers []string `schema:"containers"`
+ Stream bool `schema:"stream"`
+ }{
+ Stream: true,
+ }
+ if err := decoder.Decode(&query, r.URL.Query()); err != nil {
+ utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String()))
+ return
+ }
+
+ // Reduce code duplication and use the local/abi implementation of
+ // container stats.
+ containerEngine := abi.ContainerEngine{Libpod: runtime}
+
+ statsOptions := entities.ContainerStatsOptions{
+ Stream: query.Stream,
+ }
+
+ // Stats will stop if the connection is closed.
+ statsChan, err := containerEngine.ContainerStats(r.Context(), query.Containers, statsOptions)
+ if err != nil {
+ utils.InternalServerError(w, err)
+ return
+ }
+
+ // Write header and content type.
+ w.WriteHeader(http.StatusOK)
+ w.Header().Add("Content-Type", "application/json")
+ if flusher, ok := w.(http.Flusher); ok {
+ flusher.Flush()
+ }
+
+ // Setup JSON encoder for streaming.
+ coder := json.NewEncoder(w)
+ coder.SetEscapeHTML(true)
+
+ for stats := range statsChan {
+ if err := coder.Encode(stats); err != nil {
+ // Note: even when streaming, the stats goroutine will
+ // be notified (and stop) as the connection will be
+ // closed.
+ logrus.Errorf("Unable to encode stats: %v", err)
+ return
+ }
+ if flusher, ok := w.(http.Flusher); ok {
+ flusher.Flush()
+ }
+ }
+}
diff --git a/pkg/api/handlers/libpod/images.go b/pkg/api/handlers/libpod/images.go
index 85f7903dc..3054922c2 100644
--- a/pkg/api/handlers/libpod/images.go
+++ b/pkg/api/handlers/libpod/images.go
@@ -11,8 +11,6 @@ import (
"strings"
"github.com/containers/buildah"
- "github.com/containers/image/v5/docker"
- "github.com/containers/image/v5/docker/reference"
"github.com/containers/image/v5/manifest"
"github.com/containers/image/v5/types"
"github.com/containers/podman/v2/libpod"
@@ -25,7 +23,6 @@ import (
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/pkg/domain/infra/abi"
"github.com/containers/podman/v2/pkg/errorhandling"
- "github.com/containers/podman/v2/pkg/util"
utils2 "github.com/containers/podman/v2/utils"
"github.com/gorilla/schema"
"github.com/pkg/errors"
@@ -391,7 +388,7 @@ func ImagesImport(w http.ResponseWriter, r *http.Request) {
tmpfile.Close()
source = tmpfile.Name()
}
- importedImage, err := runtime.Import(context.Background(), source, query.Reference, query.Changes, query.Message, true)
+ importedImage, err := runtime.Import(context.Background(), source, query.Reference, "", query.Changes, query.Message, true)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to import image"))
return
@@ -400,123 +397,6 @@ func ImagesImport(w http.ResponseWriter, r *http.Request) {
utils.WriteResponse(w, http.StatusOK, entities.ImageImportReport{Id: importedImage})
}
-// ImagesPull is the v2 libpod endpoint for pulling images. Note that the
-// mandatory `reference` must be a reference to a registry (i.e., of docker
-// transport or be normalized to one). Other transports are rejected as they
-// do not make sense in a remote context.
-func ImagesPull(w http.ResponseWriter, r *http.Request) {
- runtime := r.Context().Value("runtime").(*libpod.Runtime)
- decoder := r.Context().Value("decoder").(*schema.Decoder)
- query := struct {
- Reference string `schema:"reference"`
- OverrideOS string `schema:"overrideOS"`
- OverrideArch string `schema:"overrideArch"`
- OverrideVariant string `schema:"overrideVariant"`
- TLSVerify bool `schema:"tlsVerify"`
- AllTags bool `schema:"allTags"`
- }{
- TLSVerify: true,
- }
-
- if err := decoder.Decode(&query, r.URL.Query()); err != nil {
- utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
- errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
- return
- }
-
- if len(query.Reference) == 0 {
- utils.InternalServerError(w, errors.New("reference parameter cannot be empty"))
- return
- }
-
- imageRef, err := utils.ParseDockerReference(query.Reference)
- if err != nil {
- utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
- errors.Wrapf(err, "image destination %q is not a docker-transport reference", query.Reference))
- return
- }
-
- // Trim the docker-transport prefix.
- rawImage := strings.TrimPrefix(query.Reference, fmt.Sprintf("%s://", docker.Transport.Name()))
-
- // all-tags doesn't work with a tagged reference, so let's check early
- namedRef, err := reference.Parse(rawImage)
- if err != nil {
- utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
- errors.Wrapf(err, "error parsing reference %q", rawImage))
- return
- }
- if _, isTagged := namedRef.(reference.Tagged); isTagged && query.AllTags {
- utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
- errors.Errorf("reference %q must not have a tag for all-tags", rawImage))
- return
- }
-
- authConf, authfile, err := auth.GetCredentials(r)
- if err != nil {
- utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse %q header for %s", auth.XRegistryAuthHeader, r.URL.String()))
- return
- }
- defer auth.RemoveAuthfile(authfile)
-
- // Setup the registry options
- dockerRegistryOptions := image.DockerRegistryOptions{
- DockerRegistryCreds: authConf,
- OSChoice: query.OverrideOS,
- ArchitectureChoice: query.OverrideArch,
- VariantChoice: query.OverrideVariant,
- }
- if _, found := r.URL.Query()["tlsVerify"]; found {
- dockerRegistryOptions.DockerInsecureSkipTLSVerify = types.NewOptionalBool(!query.TLSVerify)
- }
-
- sys := runtime.SystemContext()
- if sys == nil {
- sys = image.GetSystemContext("", authfile, false)
- }
- dockerRegistryOptions.DockerCertPath = sys.DockerCertPath
- sys.DockerAuthConfig = authConf
-
- // Prepare the images we want to pull
- imagesToPull := []string{}
- res := []handlers.LibpodImagesPullReport{}
- imageName := namedRef.String()
-
- if !query.AllTags {
- imagesToPull = append(imagesToPull, imageName)
- } else {
- tags, err := docker.GetRepositoryTags(context.Background(), sys, imageRef)
- if err != nil {
- utils.InternalServerError(w, errors.Wrap(err, "error getting repository tags"))
- return
- }
- for _, tag := range tags {
- imagesToPull = append(imagesToPull, fmt.Sprintf("%s:%s", imageName, tag))
- }
- }
-
- // Finally pull the images
- for _, img := range imagesToPull {
- newImage, err := runtime.ImageRuntime().New(
- context.Background(),
- img,
- "",
- authfile,
- os.Stderr,
- &dockerRegistryOptions,
- image.SigningOptions{},
- nil,
- util.PullImageAlways)
- if err != nil {
- utils.InternalServerError(w, err)
- return
- }
- res = append(res, handlers.LibpodImagesPullReport{ID: newImage.ID()})
- }
-
- utils.WriteResponse(w, http.StatusOK, res)
-}
-
// PushImage is the handler for the compat http endpoint for pushing images.
func PushImage(w http.ResponseWriter, r *http.Request) {
decoder := r.Context().Value("decoder").(*schema.Decoder)
@@ -558,9 +438,9 @@ func PushImage(w http.ResponseWriter, r *http.Request) {
return
}
- authConf, authfile, err := auth.GetCredentials(r)
+ authConf, authfile, key, err := auth.GetCredentials(r)
if err != nil {
- utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse %q header for %s", auth.XRegistryAuthHeader, r.URL.String()))
+ utils.Error(w, "Failed to retrieve repository credentials", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse %q header for %s", key, r.URL.String()))
return
}
defer auth.RemoveAuthfile(authfile)
@@ -680,24 +560,41 @@ func CommitContainer(w http.ResponseWriter, r *http.Request) {
func UntagImage(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
- name := utils.GetName(r)
- newImage, err := runtime.ImageRuntime().NewFromLocal(name)
- if err != nil {
- utils.ImageNotFound(w, name, errors.Wrapf(err, "Failed to find image %s", name))
- return
- }
- tag := "latest"
- if len(r.Form.Get("tag")) > 0 {
- tag = r.Form.Get("tag")
- }
- if len(r.Form.Get("repo")) < 1 {
+ tags := []string{} // Note: if empty, all tags will be removed from the image.
+ repo := r.Form.Get("repo")
+ tag := r.Form.Get("tag")
+
+ // Do the parameter dance.
+ switch {
+ // If tag is set, repo must be as well.
+ case len(repo) == 0 && len(tag) > 0:
utils.Error(w, "repo tag is required", http.StatusBadRequest, errors.New("repo parameter is required to tag an image"))
return
+
+ case len(repo) == 0:
+ break
+
+ // If repo is specified, we need to add that to the tags.
+ default:
+ if len(tag) == 0 {
+ // Normalize tag to "latest" if empty.
+ tag = "latest"
+ }
+ tags = append(tags, fmt.Sprintf("%s:%s", repo, tag))
}
- repo := r.Form.Get("repo")
- tagName := fmt.Sprintf("%s:%s", repo, tag)
- if err := newImage.UntagImage(tagName); err != nil {
- utils.Error(w, "failed to untag", http.StatusInternalServerError, err)
+
+ // Now use the ABI implementation to prevent us from having duplicate
+ // code.
+ opts := entities.ImageUntagOptions{}
+ imageEngine := abi.ImageEngine{Libpod: runtime}
+
+ name := utils.GetName(r)
+ if err := imageEngine.Untag(r.Context(), name, tags, opts); err != nil {
+ if errors.Cause(err) == define.ErrNoSuchImage {
+ utils.ImageNotFound(w, name, errors.Wrapf(err, "Failed to find image %s", name))
+ } else {
+ utils.Error(w, "failed to untag", http.StatusInternalServerError, err)
+ }
return
}
utils.WriteResponse(w, http.StatusCreated, "")
diff --git a/pkg/api/handlers/libpod/images_pull.go b/pkg/api/handlers/libpod/images_pull.go
new file mode 100644
index 000000000..791ef7a48
--- /dev/null
+++ b/pkg/api/handlers/libpod/images_pull.go
@@ -0,0 +1,202 @@
+package libpod
+
+import (
+ "context"
+ "encoding/json"
+ "fmt"
+ "net/http"
+ "strings"
+
+ "github.com/containers/image/v5/docker"
+ "github.com/containers/image/v5/docker/reference"
+ "github.com/containers/image/v5/types"
+ "github.com/containers/podman/v2/libpod"
+ "github.com/containers/podman/v2/libpod/image"
+ "github.com/containers/podman/v2/pkg/api/handlers/utils"
+ "github.com/containers/podman/v2/pkg/auth"
+ "github.com/containers/podman/v2/pkg/channel"
+ "github.com/containers/podman/v2/pkg/domain/entities"
+ "github.com/containers/podman/v2/pkg/util"
+ "github.com/gorilla/schema"
+ "github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
+)
+
+// ImagesPull is the v2 libpod endpoint for pulling images. Note that the
+// mandatory `reference` must be a reference to a registry (i.e., of docker
+// transport or be normalized to one). Other transports are rejected as they
+// do not make sense in a remote context.
+func ImagesPull(w http.ResponseWriter, r *http.Request) {
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+ query := struct {
+ Reference string `schema:"reference"`
+ OverrideOS string `schema:"overrideOS"`
+ OverrideArch string `schema:"overrideArch"`
+ OverrideVariant string `schema:"overrideVariant"`
+ TLSVerify bool `schema:"tlsVerify"`
+ AllTags bool `schema:"allTags"`
+ }{
+ TLSVerify: true,
+ }
+
+ if err := decoder.Decode(&query, r.URL.Query()); err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
+ return
+ }
+
+ if len(query.Reference) == 0 {
+ utils.InternalServerError(w, errors.New("reference parameter cannot be empty"))
+ return
+ }
+
+ imageRef, err := utils.ParseDockerReference(query.Reference)
+ if err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(err, "image destination %q is not a docker-transport reference", query.Reference))
+ return
+ }
+
+ // Trim the docker-transport prefix.
+ rawImage := strings.TrimPrefix(query.Reference, fmt.Sprintf("%s://", docker.Transport.Name()))
+
+ // all-tags doesn't work with a tagged reference, so let's check early
+ namedRef, err := reference.Parse(rawImage)
+ if err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(err, "error parsing reference %q", rawImage))
+ return
+ }
+ if _, isTagged := namedRef.(reference.Tagged); isTagged && query.AllTags {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Errorf("reference %q must not have a tag for all-tags", rawImage))
+ return
+ }
+
+ authConf, authfile, key, err := auth.GetCredentials(r)
+ if err != nil {
+ utils.Error(w, "Failed to retrieve repository credentials", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse %q header for %s", key, r.URL.String()))
+ return
+ }
+ defer auth.RemoveAuthfile(authfile)
+
+ // Setup the registry options
+ dockerRegistryOptions := image.DockerRegistryOptions{
+ DockerRegistryCreds: authConf,
+ OSChoice: query.OverrideOS,
+ ArchitectureChoice: query.OverrideArch,
+ VariantChoice: query.OverrideVariant,
+ }
+ if _, found := r.URL.Query()["tlsVerify"]; found {
+ dockerRegistryOptions.DockerInsecureSkipTLSVerify = types.NewOptionalBool(!query.TLSVerify)
+ }
+
+ sys := runtime.SystemContext()
+ if sys == nil {
+ sys = image.GetSystemContext("", authfile, false)
+ }
+ dockerRegistryOptions.DockerCertPath = sys.DockerCertPath
+ sys.DockerAuthConfig = authConf
+
+ // Prepare the images we want to pull
+ imagesToPull := []string{}
+ imageName := namedRef.String()
+
+ if !query.AllTags {
+ imagesToPull = append(imagesToPull, imageName)
+ } else {
+ tags, err := docker.GetRepositoryTags(context.Background(), sys, imageRef)
+ if err != nil {
+ utils.InternalServerError(w, errors.Wrap(err, "error getting repository tags"))
+ return
+ }
+ for _, tag := range tags {
+ imagesToPull = append(imagesToPull, fmt.Sprintf("%s:%s", imageName, tag))
+ }
+ }
+
+ writer := channel.NewWriter(make(chan []byte, 1))
+ defer writer.Close()
+
+ stderr := channel.NewWriter(make(chan []byte, 1))
+ defer stderr.Close()
+
+ images := make([]string, 0, len(imagesToPull))
+ runCtx, cancel := context.WithCancel(context.Background())
+ go func(imgs []string) {
+ defer cancel()
+ // Finally pull the images
+ for _, img := range imgs {
+ newImage, err := runtime.ImageRuntime().New(
+ runCtx,
+ img,
+ "",
+ authfile,
+ writer,
+ &dockerRegistryOptions,
+ image.SigningOptions{},
+ nil,
+ util.PullImageAlways)
+ if err != nil {
+ stderr.Write([]byte(err.Error() + "\n"))
+ } else {
+ images = append(images, newImage.ID())
+ }
+ }
+ }(imagesToPull)
+
+ flush := func() {
+ if flusher, ok := w.(http.Flusher); ok {
+ flusher.Flush()
+ }
+ }
+
+ w.WriteHeader(http.StatusOK)
+ w.Header().Add("Content-Type", "application/json")
+ flush()
+
+ enc := json.NewEncoder(w)
+ enc.SetEscapeHTML(true)
+ var failed bool
+loop: // break out of for/select infinite loop
+ for {
+ var report entities.ImagePullReport
+ select {
+ case e := <-writer.Chan():
+ report.Stream = string(e)
+ if err := enc.Encode(report); err != nil {
+ stderr.Write([]byte(err.Error()))
+ }
+ flush()
+ case e := <-stderr.Chan():
+ failed = true
+ report.Error = string(e)
+ if err := enc.Encode(report); err != nil {
+ logrus.Warnf("Failed to json encode error %q", err.Error())
+ }
+ flush()
+ case <-runCtx.Done():
+ if !failed {
+ // Send all image id's pulled in 'images' stanza
+ report.Images = images
+ if err := enc.Encode(report); err != nil {
+ logrus.Warnf("Failed to json encode error %q", err.Error())
+ }
+
+ report.Images = nil
+ // Pull last ID from list and publish in 'id' stanza. This maintains previous API contract
+ report.ID = images[len(images)-1]
+ if err := enc.Encode(report); err != nil {
+ logrus.Warnf("Failed to json encode error %q", err.Error())
+ }
+
+ flush()
+ }
+ break loop // break out of for/select infinite loop
+ case <-r.Context().Done():
+ // Client has closed connection
+ break loop // break out of for/select infinite loop
+ }
+ }
+}
diff --git a/pkg/api/handlers/libpod/manifests.go b/pkg/api/handlers/libpod/manifests.go
index 8e65248e2..2031dd42f 100644
--- a/pkg/api/handlers/libpod/manifests.go
+++ b/pkg/api/handlers/libpod/manifests.go
@@ -6,11 +6,13 @@ import (
"github.com/containers/buildah/manifests"
copy2 "github.com/containers/image/v5/copy"
+ "github.com/containers/image/v5/manifest"
"github.com/containers/image/v5/transports/alltransports"
"github.com/containers/podman/v2/libpod"
"github.com/containers/podman/v2/libpod/image"
"github.com/containers/podman/v2/pkg/api/handlers"
"github.com/containers/podman/v2/pkg/api/handlers/utils"
+ "github.com/containers/podman/v2/pkg/domain/infra/abi"
"github.com/gorilla/schema"
"github.com/opencontainers/go-digest"
"github.com/pkg/errors"
@@ -48,17 +50,18 @@ func ManifestCreate(w http.ResponseWriter, r *http.Request) {
func ManifestInspect(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
name := utils.GetName(r)
- newImage, err := runtime.ImageRuntime().NewFromLocal(name)
- if err != nil {
- utils.ImageNotFound(w, name, err)
+ imageEngine := abi.ImageEngine{Libpod: runtime}
+ inspectReport, inspectError := imageEngine.ManifestInspect(r.Context(), name)
+ if inspectError != nil {
+ utils.Error(w, "Something went wrong.", http.StatusNotFound, inspectError)
return
}
- data, err := newImage.InspectManifest()
- if err != nil {
- utils.InternalServerError(w, err)
+ var list manifest.Schema2List
+ if err := json.Unmarshal(inspectReport, &list); err != nil {
+ utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Unmarshal()"))
return
}
- utils.WriteResponse(w, http.StatusOK, data)
+ utils.WriteResponse(w, http.StatusOK, &list)
}
func ManifestAdd(w http.ResponseWriter, r *http.Request) {
diff --git a/pkg/api/handlers/libpod/networks.go b/pkg/api/handlers/libpod/networks.go
index dfece2a4e..b3c4840b8 100644
--- a/pkg/api/handlers/libpod/networks.go
+++ b/pkg/api/handlers/libpod/networks.go
@@ -92,8 +92,8 @@ func RemoveNetwork(w http.ResponseWriter, r *http.Request) {
}
if reports[0].Err != nil {
// If the network cannot be found, we return a 404.
- if errors.Cause(err) == define.ErrNoSuchNetwork {
- utils.Error(w, "Something went wrong", http.StatusNotFound, err)
+ if errors.Cause(reports[0].Err) == define.ErrNoSuchNetwork {
+ utils.Error(w, "Something went wrong", http.StatusNotFound, reports[0].Err)
return
}
}
diff --git a/pkg/api/handlers/libpod/play.go b/pkg/api/handlers/libpod/play.go
index 59f78da8c..2296e170a 100644
--- a/pkg/api/handlers/libpod/play.go
+++ b/pkg/api/handlers/libpod/play.go
@@ -48,9 +48,9 @@ func PlayKube(w http.ResponseWriter, r *http.Request) {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "error closing temporary file"))
return
}
- authConf, authfile, err := auth.GetCredentials(r)
+ authConf, authfile, key, err := auth.GetCredentials(r)
if err != nil {
- utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse %q header for %s", auth.XRegistryAuthHeader, r.URL.String()))
+ utils.Error(w, "Failed to retrieve repository credentials", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse %q header for %s", key, r.URL.String()))
return
}
defer auth.RemoveAuthfile(authfile)