package libpod import ( "encoding/json" "net/http" "net/url" "github.com/containers/podman/v2/libpod" "github.com/containers/podman/v2/libpod/define" "github.com/containers/podman/v2/pkg/api/handlers/utils" "github.com/containers/podman/v2/pkg/domain/entities" "github.com/containers/podman/v2/pkg/domain/filters" "github.com/containers/podman/v2/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 } config, err := vol.Config() if err != nil { utils.InternalServerError(w, err) return } volResponse := entities.VolumeConfigResponse{ Name: config.Name, Driver: config.Driver, Mountpoint: config.MountPoint, CreatedAt: config.CreatedTime, Labels: config.Labels, Options: config.Options, UID: config.UID, GID: config.GID, } 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 } var uid, gid int uid, err = vol.UID() if err != nil { utils.Error(w, "Error fetching volume UID", http.StatusInternalServerError, err) return } gid, err = vol.GID() if err != nil { utils.Error(w, "Error fetching volume GID", http.StatusInternalServerError, err) return } volResponse := entities.VolumeConfigResponse{ Name: vol.Name(), Driver: vol.Driver(), Mountpoint: vol.MountPoint(), CreatedAt: vol.CreatedTime(), Labels: vol.Labels(), Scope: vol.Scope(), Options: vol.Options(), UID: uid, GID: gid, } 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 { var uid, gid int uid, err = v.UID() if err != nil { utils.Error(w, "Error fetching volume UID", http.StatusInternalServerError, err) return } gid, err = v.GID() if err != nil { utils.Error(w, "Error fetching volume GID", http.StatusInternalServerError, err) return } config := entities.VolumeConfigResponse{ Name: v.Name(), Driver: v.Driver(), Mountpoint: v.MountPoint(), CreatedAt: v.CreatedTime(), Labels: v.Labels(), Scope: v.Scope(), Options: v.Options(), UID: uid, GID: gid, } 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) ([]*entities.VolumePruneReport, 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 } pruned, err := runtime.PruneVolumes(r.Context(), filterFuncs) if err != nil { return nil, err } reports := make([]*entities.VolumePruneReport, 0, len(pruned)) for k, v := range pruned { reports = append(reports, &entities.VolumePruneReport{ Err: v, Id: k, }) } 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, "") }