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package libpod
import (
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"strconv"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/pkg/api/handlers"
"github.com/containers/libpod/pkg/api/handlers/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)
_, 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
}
utils.WriteResponse(w, http.StatusNoContent, "")
}
func ImageTree(w http.ResponseWriter, r *http.Request) {
// tree is a bit of a mess ... logic is in adapter and therefore not callable from here. needs rework
// name := utils.GetName(r)
// _, layerInfoMap, _, err := s.Runtime.Tree(name)
// if err != nil {
// Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to find image information for %q", name))
// return
// }
// it is not clear to me how to deal with this given all the processing of the image
// is in main. we need to discuss how that really should be and return something useful.
handlers.UnsupportedHandler(w, r)
}
func GetImage(w http.ResponseWriter, r *http.Request) {
name := utils.GetName(r)
newImage, err := handlers.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([]*handlers.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.CreatedTime = img.Created()
is.ReadOnly = img.IsReadOnly()
summaries[j] = is
}
utils.WriteResponse(w, http.StatusOK, summaries)
}
func PruneImages(w http.ResponseWriter, r *http.Request) {
var (
all bool
err error
)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
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 {
all, err = strconv.ParseBool(query.Filters["all"][0])
if err != nil {
utils.InternalServerError(w, err)
return
}
for k, v := range query.Filters {
libpodFilters = append(libpodFilters, fmt.Sprintf("%s=%s", k, v[0]))
}
}
cids, err := runtime.ImageRuntime().PruneImages(r.Context(), all, libpodFilters)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
return
}
utils.WriteResponse(w, http.StatusOK, cids)
}
func ExportImage(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
Compress bool `schema:"compress"`
Format string `schema:"format"`
}{
// 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
}
if len(query.Format) < 1 {
utils.InternalServerError(w, errors.New("format parameter cannot be empty."))
return
}
tmpfile, err := ioutil.TempFile("", "api.tar")
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile"))
return
}
if err := tmpfile.Close(); err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to close tempfile"))
return
}
name := utils.GetName(r)
newImage, err := runtime.ImageRuntime().NewFromLocal(name)
if err != nil {
utils.ImageNotFound(w, name, err)
return
}
if err := newImage.Save(r.Context(), name, query.Format, tmpfile.Name(), []string{}, false, query.Compress); err != nil {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err)
return
}
rdr, err := os.Open(tmpfile.Name())
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to read the exported tarfile"))
return
}
defer rdr.Close()
defer os.Remove(tmpfile.Name())
utils.WriteResponse(w, http.StatusOK, rdr)
}
func ImportImage(w http.ResponseWriter, r *http.Request) {
// TODO this is basically wrong
decoder := r.Context().Value("decoder").(*schema.Decoder)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
query := struct {
Changes map[string]string `json:"changes"`
Message string `json:"message"`
Quiet bool `json:"quiet"`
}{
// 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 := handlers.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, "")
//id, err := runtime.Import(r.Context())
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),
})
}
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