podman manifest exists

Add podman manifest exists command with remote support.

Signed-off-by: Paul Holzinger <paul.holzinger@web.de>

2 files changed, 38 insertions, 0 deletions

diff --git a/pkg/api/handlers/libpod/manifests.go b/pkg/api/handlers/libpod/manifests.go
index dce861f6f..35221ecf1 100644
--- a/pkg/api/handlers/libpod/manifests.go
+++ b/pkg/api/handlers/libpod/manifests.go
@@ -48,6 +48,24 @@ func ManifestCreate(w http.ResponseWriter, r *http.Request) {
 	utils.WriteResponse(w, http.StatusOK, handlers.IDResponse{ID: manID})
 }
 
+// ExistsManifest check if a manifest list exists
+func ExistsManifest(w http.ResponseWriter, r *http.Request) {
+	runtime := r.Context().Value("runtime").(*libpod.Runtime)
+	name := utils.GetName(r)
+
+	ic := abi.ImageEngine{Libpod: runtime}
+	report, err := ic.ManifestExists(r.Context(), name)
+	if err != nil {
+		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
+		return
+	}
+	if !report.Value {
+		utils.Error(w, "manifest not found", http.StatusNotFound, errors.New("manifest not found"))
+		return
+	}
+	utils.WriteResponse(w, http.StatusNoContent, "")
+}
+
 func ManifestInspect(w http.ResponseWriter, r *http.Request) {
 	runtime := r.Context().Value("runtime").(*libpod.Runtime)
 	name := utils.GetName(r)
diff --git a/pkg/api/server/register_manifest.go b/pkg/api/server/register_manifest.go
index 5e7d94538..eefcc396e 100644
--- a/pkg/api/server/register_manifest.go
+++ b/pkg/api/server/register_manifest.go
@@ -38,6 +38,26 @@ func (s *APIServer) registerManifestHandlers(r *mux.Router) error {
 	//   500:
 	//     $ref: "#/responses/InternalError"
 	r.Handle(VersionedPath("/libpod/manifests/create"), s.APIHandler(libpod.ManifestCreate)).Methods(http.MethodPost)
+	// swagger:operation GET /libpod/manifests/{name}/exists manifests Exists
+	// ---
+	// summary: Exists
+	// description: Check if manifest list exists
+	// parameters:
+	//  - in: path
+	//    name: name
+	//    type: string
+	//    required: true
+	//    description: the name of the manifest list
+	// produces:
+	// - application/json
+	// responses:
+	//   204:
+	//     description: manifest list exists
+	//   404:
+	//     $ref: '#/responses/NoSuchManifest'
+	//   500:
+	//     $ref: '#/responses/InternalError'
+	r.Handle(VersionedPath("/libpod/manifests/{name}/exists"), s.APIHandler(libpod.ExistsManifest)).Methods(http.MethodGet)
 	// swagger:operation GET /libpod/manifests/{name:.*}/json manifests Inspect
 	// ---
 	// summary: Inspect