podman network exists

Add podman network exists command with remote support.

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

2 files changed, 40 insertions, 0 deletions

diff --git a/pkg/api/handlers/libpod/networks.go b/pkg/api/handlers/libpod/networks.go
index 8511e2733..d3bf06988 100644
--- a/pkg/api/handlers/libpod/networks.go
+++ b/pkg/api/handlers/libpod/networks.go
@@ -157,3 +157,21 @@ func Connect(w http.ResponseWriter, r *http.Request) {
 	}
 	utils.WriteResponse(w, http.StatusOK, "OK")
 }
+
+// ExistsNetwork check if a network exists
+func ExistsNetwork(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.NetworkExists(r.Context(), name)
+	if err != nil {
+		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
+		return
+	}
+	if !report.Value {
+		utils.Error(w, "network not found", http.StatusNotFound, define.ErrNoSuchNetwork)
+		return
+	}
+	utils.WriteResponse(w, http.StatusNoContent, "")
+}
diff --git a/pkg/api/server/register_networks.go b/pkg/api/server/register_networks.go
index 967d7da76..3d9e7fb89 100644
--- a/pkg/api/server/register_networks.go
+++ b/pkg/api/server/register_networks.go
@@ -226,6 +226,28 @@ func (s *APIServer) registerNetworkHandlers(r *mux.Router) error {
 	//   500:
 	//     $ref: "#/responses/InternalError"
 	r.HandleFunc(VersionedPath("/libpod/networks/{name}/json"), s.APIHandler(libpod.InspectNetwork)).Methods(http.MethodGet)
+	// swagger:operation GET /libpod/networks/{name}/exists libpod libpodExistsNetwork
+	// ---
+	// tags:
+	//  - networks
+	// summary: Network exists
+	// description: Check if network exists
+	// parameters:
+	//  - in: path
+	//    name: name
+	//    type: string
+	//    required: true
+	//    description: the name or ID of the network
+	// produces:
+	// - application/json
+	// responses:
+	//   204:
+	//     description: network exists
+	//   404:
+	//     $ref: '#/responses/NoSuchNetwork'
+	//   500:
+	//     $ref: '#/responses/InternalError'
+	r.Handle(VersionedPath("/libpod/networks/{name}/exists"), s.APIHandler(libpod.ExistsNetwork)).Methods(http.MethodGet)
 	// swagger:operation GET /libpod/networks/json libpod libpodListNetwork
 	// ---
 	// tags: