Files
Daniel J Walsh cf51c7ed9f Allow podman push to push manifest lists
When doing a podman images, manifests lists look just like images, so
it is logical that users would assume that they can just podman push them
to a registry.  The problem is we throw out weird errors when this happens
and users need to somehow figure out this is a manifest list rather then
an image, and frankly the user will not understand the difference.

This PR will make podman push just do the right thing, by failing over and
attempting to push the manifest if it fails to push the image.

Fix up handling of manifest push

Protocol should bring back a digest string, which can either be
printed or stored in a file.

We should not reimplement the manifest push setup code in the tunnel
code but take advantage of the api path, to make sure remote and local
work the same way.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2021-01-15 13:24:34 -05:00

741 lines
24 KiB
Go

package libpod
import (
"context"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"strconv"
"strings"
"github.com/containers/buildah"
"github.com/containers/image/v5/manifest"
"github.com/containers/image/v5/types"
"github.com/containers/podman/v2/libpod"
"github.com/containers/podman/v2/libpod/define"
"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/auth"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/pkg/domain/infra/abi"
"github.com/containers/podman/v2/pkg/errorhandling"
utils2 "github.com/containers/podman/v2/utils"
"github.com/gorilla/schema"
"github.com/pkg/errors"
)
// Commit
// author string
// "container"
// repo string
// tag string
// message
// pause bool
// changes []string
// create
func ImageExists(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
name := utils.GetName(r)
ir := abi.ImageEngine{Libpod: runtime}
report, err := ir.Exists(r.Context(), name)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusNotFound, errors.Wrapf(err, "failed to find image %s", name))
return
}
if !report.Value {
utils.Error(w, "Something went wrong.", http.StatusNotFound, errors.Errorf("failed to find image %s", name))
return
}
utils.WriteResponse(w, http.StatusNoContent, "")
}
func ImageTree(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
name := utils.GetName(r)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
WhatRequires bool `schema:"whatrequires"`
}{
WhatRequires: false,
}
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
}
ir := abi.ImageEngine{Libpod: runtime}
options := entities.ImageTreeOptions{WhatRequires: query.WhatRequires}
report, err := ir.Tree(r.Context(), name, options)
if err != nil {
if errors.Cause(err) == define.ErrNoSuchImage {
utils.Error(w, "Something went wrong.", http.StatusNotFound, errors.Wrapf(err, "failed to find image %s", name))
return
}
utils.Error(w, "Server error", http.StatusInternalServerError, errors.Wrapf(err, "failed to generate image tree for %s", name))
return
}
utils.WriteResponse(w, http.StatusOK, report)
}
func GetImage(w http.ResponseWriter, r *http.Request) {
name := utils.GetName(r)
newImage, err := utils.GetImage(r, name)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusNotFound, errors.Wrapf(err, "failed to find image %s", name))
return
}
inspect, err := newImage.Inspect(r.Context())
if err != nil {
utils.Error(w, "Server error", http.StatusInternalServerError, errors.Wrapf(err, "failed in inspect image %s", inspect.ID))
return
}
utils.WriteResponse(w, http.StatusOK, inspect)
}
func GetImages(w http.ResponseWriter, r *http.Request) {
images, err := utils.GetImages(w, r)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Failed get images"))
return
}
var summaries = make([]*entities.ImageSummary, len(images))
for j, img := range images {
is, err := handlers.ImageToImageSummary(img)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Failed transform image summaries"))
return
}
// libpod has additional fields that we need to populate.
is.ReadOnly = img.IsReadOnly()
summaries[j] = is
}
utils.WriteResponse(w, http.StatusOK, summaries)
}
func PruneImages(w http.ResponseWriter, r *http.Request) {
var (
err error
)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
All bool `schema:"all"`
Filters map[string][]string `schema:"filters"`
}{
// override any golang type defaults
}
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
}
var libpodFilters = []string{}
if _, found := r.URL.Query()["filters"]; found {
dangling := query.Filters["all"]
if len(dangling) > 0 {
query.All, err = strconv.ParseBool(query.Filters["all"][0])
if err != nil {
utils.InternalServerError(w, err)
return
}
}
// dangling is special and not implemented in the libpod side of things
delete(query.Filters, "dangling")
for k, v := range query.Filters {
libpodFilters = append(libpodFilters, fmt.Sprintf("%s=%s", k, v[0]))
}
}
imagePruneReports, err := runtime.ImageRuntime().PruneImages(r.Context(), query.All, libpodFilters)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
return
}
utils.WriteResponse(w, http.StatusOK, imagePruneReports)
}
func ExportImage(w http.ResponseWriter, r *http.Request) {
var (
output string
)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
Compress bool `schema:"compress"`
Format string `schema:"format"`
}{
Format: define.OCIArchive,
}
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
}
name := utils.GetName(r)
newImage, err := runtime.ImageRuntime().NewFromLocal(name)
if err != nil {
utils.ImageNotFound(w, name, err)
return
}
switch query.Format {
case define.OCIArchive, define.V2s2Archive:
tmpfile, err := ioutil.TempFile("", "api.tar")
if err != nil {
utils.Error(w, "unable to create tmpfile", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile"))
return
}
output = tmpfile.Name()
if err := tmpfile.Close(); err != nil {
utils.Error(w, "unable to close tmpfile", http.StatusInternalServerError, errors.Wrap(err, "unable to close tempfile"))
return
}
case define.OCIManifestDir, define.V2s2ManifestDir:
tmpdir, err := ioutil.TempDir("", "save")
if err != nil {
utils.Error(w, "unable to create tmpdir", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempdir"))
return
}
output = tmpdir
default:
utils.Error(w, "unknown format", http.StatusInternalServerError, errors.Errorf("unknown format %q", query.Format))
return
}
if err := newImage.Save(r.Context(), name, query.Format, output, []string{}, false, query.Compress, true); err != nil {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err)
return
}
defer os.RemoveAll(output)
// if dir format, we need to tar it
if query.Format == "oci-dir" || query.Format == "docker-dir" {
rdr, err := utils2.Tar(output)
if err != nil {
utils.InternalServerError(w, err)
return
}
defer rdr.Close()
utils.WriteResponse(w, http.StatusOK, rdr)
return
}
rdr, err := os.Open(output)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to read the exported tarfile"))
return
}
defer rdr.Close()
utils.WriteResponse(w, http.StatusOK, rdr)
}
func ExportImages(w http.ResponseWriter, r *http.Request) {
var (
output string
)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
Compress bool `schema:"compress"`
Format string `schema:"format"`
References []string `schema:"references"`
}{
Format: define.OCIArchive,
}
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
}
// References are mandatory!
if len(query.References) == 0 {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
errors.New("No references"))
return
}
// Format is mandatory! Currently, we only support multi-image docker
// archives.
if len(query.References) > 1 && query.Format != define.V2s2Archive {
utils.Error(w, "unsupported format", http.StatusInternalServerError, errors.Errorf("multi-image archives must use format of %s", define.V2s2Archive))
return
}
switch query.Format {
case define.V2s2Archive, define.OCIArchive:
tmpfile, err := ioutil.TempFile("", "api.tar")
if err != nil {
utils.Error(w, "unable to create tmpfile", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile"))
return
}
output = tmpfile.Name()
if err := tmpfile.Close(); err != nil {
utils.Error(w, "unable to close tmpfile", http.StatusInternalServerError, errors.Wrap(err, "unable to close tempfile"))
return
}
case define.OCIManifestDir, define.V2s2ManifestDir:
tmpdir, err := ioutil.TempDir("", "save")
if err != nil {
utils.Error(w, "unable to create tmpdir", http.StatusInternalServerError, errors.Wrap(err, "unable to create tmpdir"))
return
}
output = tmpdir
default:
utils.Error(w, "unsupported format", http.StatusInternalServerError, errors.Errorf("unsupported format %q", query.Format))
return
}
defer os.RemoveAll(output)
// Use the ABI image engine to share as much code as possible.
opts := entities.ImageSaveOptions{
Compress: query.Compress,
Format: query.Format,
MultiImageArchive: len(query.References) > 1,
Output: output,
RemoveSignatures: true,
}
imageEngine := abi.ImageEngine{Libpod: runtime}
if err := imageEngine.Save(r.Context(), query.References[0], query.References[1:], opts); err != nil {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err)
return
}
rdr, err := os.Open(output)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to read the exported tarfile"))
return
}
defer rdr.Close()
utils.WriteResponse(w, http.StatusOK, rdr)
}
func ImagesLoad(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"`
}{
// Add defaults here once needed.
}
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
}
tmpfile, err := ioutil.TempFile("", "libpod-images-load.tar")
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile"))
return
}
defer os.Remove(tmpfile.Name())
defer tmpfile.Close()
if _, err := io.Copy(tmpfile, r.Body); err != nil && err != io.EOF {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to write archive to temporary file"))
return
}
tmpfile.Close()
loadedImage, err := runtime.LoadImage(context.Background(), tmpfile.Name(), os.Stderr, "")
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to load image"))
return
}
utils.WriteResponse(w, http.StatusOK, entities.ImageLoadReport{Names: strings.Split(loadedImage, ",")})
}
func ImagesImport(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
Changes []string `schema:"changes"`
Message string `schema:"message"`
Reference string `schema:"reference"`
URL string `schema:"URL"`
}{
// Add defaults here once needed.
}
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
}
// Check if we need to load the image from a URL or from the request's body.
source := query.URL
if len(query.URL) == 0 {
tmpfile, err := ioutil.TempFile("", "libpod-images-import.tar")
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile"))
return
}
defer os.Remove(tmpfile.Name())
defer tmpfile.Close()
if _, err := io.Copy(tmpfile, r.Body); err != nil && err != io.EOF {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to write archive to temporary file"))
return
}
tmpfile.Close()
source = tmpfile.Name()
}
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
}
utils.WriteResponse(w, http.StatusOK, entities.ImageImportReport{Id: importedImage})
}
// 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)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
query := struct {
Destination string `schema:"destination"`
TLSVerify bool `schema:"tlsVerify"`
Format string `schema:"format"`
All bool `schema:"all"`
}{
// This is where you can override the golang default value for one of fields
}
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
}
source := strings.TrimSuffix(utils.GetName(r), "/push") // GetName returns the entire path
if _, err := utils.ParseStorageReference(source); err != nil {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err)
return
}
destination := query.Destination
if destination == "" {
destination = source
}
if _, err := utils.ParseDockerReference(destination); err != nil {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err)
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)
var username, password string
if authconf != nil {
username = authconf.Username
password = authconf.Password
}
options := entities.ImagePushOptions{
Authfile: authfile,
Username: username,
Password: password,
Format: query.Format,
All: query.All,
}
if _, found := r.URL.Query()["tlsVerify"]; found {
options.SkipTLSVerify = types.NewOptionalBool(!query.TLSVerify)
}
imageEngine := abi.ImageEngine{Libpod: runtime}
if err := imageEngine.Push(context.Background(), source, destination, options); err != nil {
utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "error pushing image %q", destination))
return
}
utils.WriteResponse(w, http.StatusOK, "")
}
func CommitContainer(w http.ResponseWriter, r *http.Request) {
var (
destImage string
mimeType string
)
decoder := r.Context().Value("decoder").(*schema.Decoder)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
query := struct {
Author string `schema:"author"`
Changes []string `schema:"changes"`
Comment string `schema:"comment"`
Container string `schema:"container"`
Format string `schema:"format"`
Pause bool `schema:"pause"`
Repo string `schema:"repo"`
Tag string `schema:"tag"`
}{
Format: "oci",
}
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
}
rtc, err := runtime.GetConfig()
if err != nil {
utils.Error(w, "failed to get runtime config", http.StatusInternalServerError, errors.Wrap(err, "failed to get runtime config"))
return
}
sc := image.GetSystemContext(rtc.Engine.SignaturePolicyPath, "", false)
tag := "latest"
options := libpod.ContainerCommitOptions{
Pause: true,
}
switch query.Format {
case "oci":
mimeType = buildah.OCIv1ImageManifest
if len(query.Comment) > 0 {
utils.InternalServerError(w, errors.New("messages are only compatible with the docker image format (-f docker)"))
return
}
case "docker":
mimeType = manifest.DockerV2Schema2MediaType
default:
utils.InternalServerError(w, errors.Errorf("unrecognized image format %q", query.Format))
return
}
options.CommitOptions = buildah.CommitOptions{
SignaturePolicyPath: rtc.Engine.SignaturePolicyPath,
ReportWriter: os.Stderr,
SystemContext: sc,
PreferredManifestType: mimeType,
}
if len(query.Tag) > 0 {
tag = query.Tag
}
options.Message = query.Comment
options.Author = query.Author
options.Pause = query.Pause
options.Changes = query.Changes
ctr, err := runtime.LookupContainer(query.Container)
if err != nil {
utils.Error(w, "failed to lookup container", http.StatusNotFound, err)
return
}
if len(query.Repo) > 0 {
destImage = fmt.Sprintf("%s:%s", query.Repo, tag)
}
commitImage, err := ctr.Commit(r.Context(), destImage, options)
if err != nil && !strings.Contains(err.Error(), "is not running") {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "CommitFailure"))
return
}
utils.WriteResponse(w, http.StatusOK, handlers.IDResponse{ID: commitImage.ID()}) // nolint
}
func UntagImage(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
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))
}
// 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, "")
}
func SearchImages(w http.ResponseWriter, r *http.Request) {
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
Term string `json:"term"`
Limit int `json:"limit"`
NoTrunc bool `json:"noTrunc"`
Filters map[string][]string `json:"filters"`
TLSVerify bool `json:"tlsVerify"`
ListTags bool `json:"listTags"`
}{
// This is where you can override the golang default value for one of fields
}
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
}
filter := image.SearchFilter{}
if len(query.Filters) > 0 {
if len(query.Filters["stars"]) > 0 {
stars, err := strconv.Atoi(query.Filters["stars"][0])
if err != nil {
utils.InternalServerError(w, err)
return
}
filter.Stars = stars
}
if len(query.Filters["is-official"]) > 0 {
isOfficial, err := strconv.ParseBool(query.Filters["is-official"][0])
if err != nil {
utils.InternalServerError(w, err)
return
}
filter.IsOfficial = types.NewOptionalBool(isOfficial)
}
if len(query.Filters["is-automated"]) > 0 {
isAutomated, err := strconv.ParseBool(query.Filters["is-automated"][0])
if err != nil {
utils.InternalServerError(w, err)
return
}
filter.IsAutomated = types.NewOptionalBool(isAutomated)
}
}
options := image.SearchOptions{
Limit: query.Limit,
NoTrunc: query.NoTrunc,
ListTags: query.ListTags,
Filter: filter,
}
if _, found := r.URL.Query()["tlsVerify"]; found {
options.InsecureSkipTLSVerify = types.NewOptionalBool(!query.TLSVerify)
}
_, 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)
options.Authfile = authfile
searchResults, err := image.SearchImages(query.Term, options)
if err != nil {
utils.BadRequest(w, "term", query.Term, err)
return
}
// Convert from image.SearchResults to entities.ImageSearchReport. We don't
// want to leak any low-level packages into the remote client, which
// requires converting.
reports := make([]entities.ImageSearchReport, len(searchResults))
for i := range searchResults {
reports[i].Index = searchResults[i].Index
reports[i].Name = searchResults[i].Name
reports[i].Description = searchResults[i].Description
reports[i].Stars = searchResults[i].Stars
reports[i].Official = searchResults[i].Official
reports[i].Automated = searchResults[i].Automated
reports[i].Tag = searchResults[i].Tag
}
utils.WriteResponse(w, http.StatusOK, reports)
}
// ImagesBatchRemove is the endpoint for batch image removal.
func ImagesBatchRemove(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
All bool `schema:"all"`
Force bool `schema:"force"`
Images []string `schema:"images"`
}{}
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
}
opts := entities.ImageRemoveOptions{All: query.All, Force: query.Force}
imageEngine := abi.ImageEngine{Libpod: runtime}
rmReport, rmErrors := imageEngine.Remove(r.Context(), query.Images, opts)
strErrs := errorhandling.ErrorsToStrings(rmErrors)
report := handlers.LibpodImagesRemoveReport{ImageRemoveReport: *rmReport, Errors: strErrs}
utils.WriteResponse(w, http.StatusOK, report)
}
// ImagesRemove is the endpoint for removing one image.
func ImagesRemove(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
Force bool `schema:"force"`
}{
Force: false,
}
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
}
opts := entities.ImageRemoveOptions{Force: query.Force}
imageEngine := abi.ImageEngine{Libpod: runtime}
rmReport, rmErrors := imageEngine.Remove(r.Context(), []string{utils.GetName(r)}, opts)
// In contrast to batch-removal, where we're only setting the exit
// code, we need to have another closer look at the errors here and set
// the appropriate http status code.
switch rmReport.ExitCode {
case 0:
report := handlers.LibpodImagesRemoveReport{ImageRemoveReport: *rmReport, Errors: []string{}}
utils.WriteResponse(w, http.StatusOK, report)
case 1:
// 404 - no such image
utils.Error(w, "error removing image", http.StatusNotFound, errorhandling.JoinErrors(rmErrors))
case 2:
// 409 - conflict error (in use by containers)
utils.Error(w, "error removing image", http.StatusConflict, errorhandling.JoinErrors(rmErrors))
default:
// 500 - internal error
utils.Error(w, "failed to remove image", http.StatusInternalServerError, errorhandling.JoinErrors(rmErrors))
}
}