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package libpod
import (
"encoding/json"
"net/http"
"net/url"
"github.com/containers/podman/v3/libpod"
"github.com/containers/podman/v3/libpod/define"
"github.com/containers/podman/v3/pkg/api/handlers/utils"
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/containers/podman/v3/pkg/domain/entities/reports"
"github.com/containers/podman/v3/pkg/domain/filters"
"github.com/containers/podman/v3/pkg/domain/infra/abi"
"github.com/containers/podman/v3/pkg/domain/infra/abi/parse"
"github.com/gorilla/schema"
"github.com/pkg/errors"
)
func CreateVolume(w http.ResponseWriter, r *http.Request) {
var (
volumeOptions []libpod.VolumeCreateOption
runtime = r.Context().Value("runtime").(*libpod.Runtime)
decoder = r.Context().Value("decoder").(*schema.Decoder)
)
query := struct {
}{
// override any golang type defaults
}
input := entities.VolumeCreateOptions{}
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
}
// decode params from body
if err := json.NewDecoder(r.Body).Decode(&input); err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Decode()"))
return
}
if len(input.Name) > 0 {
volumeOptions = append(volumeOptions, libpod.WithVolumeName(input.Name))
}
if len(input.Driver) > 0 {
volumeOptions = append(volumeOptions, libpod.WithVolumeDriver(input.Driver))
}
if len(input.Label) > 0 {
volumeOptions = append(volumeOptions, libpod.WithVolumeLabels(input.Label))
}
if len(input.Options) > 0 {
parsedOptions, err := parse.VolumeOptions(input.Options)
if err != nil {
utils.InternalServerError(w, err)
return
}
volumeOptions = append(volumeOptions, parsedOptions...)
}
vol, err := runtime.NewVolume(r.Context(), volumeOptions...)
if err != nil {
utils.InternalServerError(w, err)
return
}
inspectOut, err := vol.Inspect()
if err != nil {
utils.InternalServerError(w, err)
return
}
volResponse := entities.VolumeConfigResponse{
InspectVolumeData: *inspectOut,
}
utils.WriteResponse(w, http.StatusCreated, volResponse)
}
func InspectVolume(w http.ResponseWriter, r *http.Request) {
var (
runtime = r.Context().Value("runtime").(*libpod.Runtime)
)
name := utils.GetName(r)
vol, err := runtime.GetVolume(name)
if err != nil {
utils.VolumeNotFound(w, name, err)
return
}
inspectOut, err := vol.Inspect()
if err != nil {
utils.InternalServerError(w, err)
return
}
volResponse := entities.VolumeConfigResponse{
InspectVolumeData: *inspectOut,
}
utils.WriteResponse(w, http.StatusOK, volResponse)
}
func ListVolumes(w http.ResponseWriter, r *http.Request) {
var (
decoder = r.Context().Value("decoder").(*schema.Decoder)
runtime = r.Context().Value("runtime").(*libpod.Runtime)
)
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
}
volumeFilters, err := filters.GenerateVolumeFilters(query.Filters)
if err != nil {
utils.InternalServerError(w, err)
return
}
vols, err := runtime.Volumes(volumeFilters...)
if err != nil {
utils.InternalServerError(w, err)
return
}
volumeConfigs := make([]*entities.VolumeListReport, 0, len(vols))
for _, v := range vols {
inspectOut, err := v.Inspect()
if err != nil {
utils.InternalServerError(w, err)
return
}
config := entities.VolumeConfigResponse{
InspectVolumeData: *inspectOut,
}
volumeConfigs = append(volumeConfigs, &entities.VolumeListReport{VolumeConfigResponse: config})
}
utils.WriteResponse(w, http.StatusOK, volumeConfigs)
}
func PruneVolumes(w http.ResponseWriter, r *http.Request) {
reports, err := pruneVolumesHelper(r)
if err != nil {
utils.InternalServerError(w, err)
return
}
utils.WriteResponse(w, http.StatusOK, reports)
}
func pruneVolumesHelper(r *http.Request) ([]*reports.PruneReport, error) {
var (
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 {
return nil, err
}
f := (url.Values)(query.Filters)
filterFuncs, err := filters.GenerateVolumeFilters(f)
if err != nil {
return nil, err
}
reports, err := runtime.PruneVolumes(r.Context(), filterFuncs)
if err != nil {
return nil, err
}
return reports, nil
}
func RemoveVolume(w http.ResponseWriter, r *http.Request) {
var (
runtime = r.Context().Value("runtime").(*libpod.Runtime)
decoder = r.Context().Value("decoder").(*schema.Decoder)
)
query := struct {
Force bool `schema:"force"`
}{
// 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
}
name := utils.GetName(r)
vol, err := runtime.LookupVolume(name)
if err != nil {
utils.VolumeNotFound(w, name, err)
return
}
if err := runtime.RemoveVolume(r.Context(), vol, query.Force); err != nil {
if errors.Cause(err) == define.ErrVolumeBeingUsed {
utils.Error(w, "volumes being used", http.StatusConflict, err)
return
}
utils.InternalServerError(w, err)
return
}
utils.WriteResponse(w, http.StatusNoContent, "")
}
// ExistsVolume check if a volume exists
func ExistsVolume(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
name := utils.GetName(r)
ic := abi.ContainerEngine{Libpod: runtime}
report, err := ic.VolumeExists(r.Context(), name)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
return
}
if !report.Value {
utils.Error(w, "volume not found", http.StatusNotFound, define.ErrNoSuchVolume)
return
}
utils.WriteResponse(w, http.StatusNoContent, "")
}
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