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package handlers
import (
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"strconv"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/image"
"github.com/containers/libpod/pkg/api/handlers/utils"
"github.com/gorilla/mux"
"github.com/gorilla/schema"
"github.com/pkg/errors"
)
func HistoryImage(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
name := mux.Vars(r)["name"]
var allHistory []HistoryResponse
newImage, err := runtime.ImageRuntime().NewFromLocal(name)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusNotFound, errors.Wrapf(err, "Failed to find image %s", name))
return
}
history, err := newImage.History(r.Context())
if err != nil {
utils.InternalServerError(w, err)
return
}
for _, h := range history {
l := HistoryResponse{
ID: h.ID,
Created: h.Created.UnixNano(),
CreatedBy: h.CreatedBy,
Tags: h.Tags,
Size: h.Size,
Comment: h.Comment,
}
allHistory = append(allHistory, l)
}
utils.WriteResponse(w, http.StatusOK, allHistory)
}
func TagImage(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
// /v1.xx/images/(name)/tag
name := mux.Vars(r)["name"]
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 {
utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.New("repo parameter is required to tag an image"))
return
}
repo := r.Form.Get("repo")
tagName := fmt.Sprintf("%s:%s", repo, tag)
if err := newImage.TagImage(tagName); err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
return
}
utils.WriteResponse(w, http.StatusCreated, "")
}
func RemoveImage(w http.ResponseWriter, r *http.Request) {
decoder := r.Context().Value("decoder").(*schema.Decoder)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
query := struct {
noPrune bool
}{
// 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
}
muxVars := mux.Vars(r)
if _, found := muxVars["noprune"]; found {
if query.noPrune {
utils.UnSupportedParameter("noprune")
}
}
name := mux.Vars(r)["name"]
newImage, err := runtime.ImageRuntime().NewFromLocal(name)
if err != nil {
utils.ImageNotFound(w, name, errors.Wrapf(err, "Failed to find image %s", name))
return
}
force := false
if len(r.Form.Get("force")) > 0 {
force, err = strconv.ParseBool(r.Form.Get("force"))
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusBadRequest, err)
return
}
}
_, err = runtime.RemoveImage(r.Context(), newImage, force)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
return
}
// TODO
// This will need to be fixed for proper response, like Deleted: and Untagged:
m := make(map[string]string)
m["Deleted"] = newImage.ID()
foo := []map[string]string{}
foo = append(foo, m)
utils.WriteResponse(w, http.StatusOK, foo)
}
func GetImage(r *http.Request, name string) (*image.Image, error) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
return runtime.ImageRuntime().NewFromLocal(name)
}
func LoadImage(w http.ResponseWriter, r *http.Request) {
decoder := r.Context().Value("decoder").(*schema.Decoder)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
query := struct {
//quiet bool # quiet is currently unused
}{
// 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
}
var (
err error
writer io.Writer
)
f, err := ioutil.TempFile("", "api_load.tar")
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to create tempfile"))
return
}
if err := SaveFromBody(f, r); err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to write temporary file"))
return
}
id, err := runtime.LoadImage(r.Context(), "", f.Name(), writer, "")
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to load image"))
return
}
utils.WriteResponse(w, http.StatusOK, struct {
Stream string `json:"stream"`
}{
Stream: fmt.Sprintf("Loaded image: %s\n", id),
})
}
func SaveFromBody(f *os.File, r *http.Request) error { // nolint
if _, err := io.Copy(f, r.Body); err != nil {
return err
}
return f.Close()
}
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"`
Filters map[string][]string `json:"filters"`
}{
// 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
}
// TODO filters are a bit undefined here in terms of what exactly the input looks
// like. We need to understand that a bit more.
options := image.SearchOptions{
Filter: image.SearchFilter{},
Limit: query.Limit,
}
results, err := image.SearchImages(query.Term, options)
if err != nil {
utils.InternalServerError(w, err)
}
utils.WriteResponse(w, http.StatusOK, results)
}
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