Merge pull request #8955 from mheon/rename

Container Rename

6 files changed, 117 insertions, 4 deletions

diff --git a/pkg/api/handlers/compat/containers.go b/pkg/api/handlers/compat/containers.go
index 0f89c859e..6e1945db1 100644
--- a/pkg/api/handlers/compat/containers.go
+++ b/pkg/api/handlers/compat/containers.go
@@ -465,3 +465,34 @@ func formatCapabilities(slice []string) {
 		slice[i] = strings.TrimPrefix(slice[i], "CAP_")
 	}
 }
+
+func RenameContainer(w http.ResponseWriter, r *http.Request) {
+	runtime := r.Context().Value("runtime").(*libpod.Runtime)
+	decoder := r.Context().Value("decoder").(*schema.Decoder)
+
+	name := utils.GetName(r)
+	query := struct {
+		Name string `schema:"name"`
+	}{}
+	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
+	}
+
+	ctr, err := runtime.LookupContainer(name)
+	if err != nil {
+		utils.ContainerNotFound(w, name, err)
+		return
+	}
+
+	if _, err := runtime.RenameContainer(r.Context(), ctr, query.Name); err != nil {
+		if errors.Cause(err) == define.ErrPodExists || errors.Cause(err) == define.ErrCtrExists {
+			utils.Error(w, "Something went wrong.", http.StatusConflict, err)
+			return
+		}
+		utils.InternalServerError(w, err)
+		return
+	}
+
+	utils.WriteResponse(w, http.StatusNoContent, nil)
+}
diff --git a/pkg/api/server/register_containers.go b/pkg/api/server/register_containers.go
index b80dea545..74a04b2e6 100644
--- a/pkg/api/server/register_containers.go
+++ b/pkg/api/server/register_containers.go
@@ -291,9 +291,6 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error {
 	r.HandleFunc(VersionedPath("/containers/{name}/pause"), s.APIHandler(compat.PauseContainer)).Methods(http.MethodPost)
 	// Added non version path to URI to support docker non versioned paths
 	r.HandleFunc("/containers/{name}/pause", s.APIHandler(compat.PauseContainer)).Methods(http.MethodPost)
-	r.HandleFunc(VersionedPath("/containers/{name}/rename"), s.APIHandler(compat.UnsupportedHandler)).Methods(http.MethodPost)
-	// Added non version path to URI to support docker non versioned paths
-	r.HandleFunc("/containers/{name}/rename", s.APIHandler(compat.UnsupportedHandler)).Methods(http.MethodPost)
 	// swagger:operation POST /containers/{name}/restart compat restartContainer
 	// ---
 	// tags:
@@ -610,6 +607,36 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error {
 	//     $ref: "#/responses/InternalError"
 	r.HandleFunc(VersionedPath("/containers/{name}/export"), s.APIHandler(compat.ExportContainer)).Methods(http.MethodGet)
 	r.HandleFunc("/containers/{name}/export", s.APIHandler(compat.ExportContainer)).Methods(http.MethodGet)
+	// swagger:operation POST /containers/{name}/rename compat renameContainer
+	// ---
+	// tags:
+	//   - containers (compat)
+	// summary: Rename an existing container
+	// description: Change the name of an existing container.
+	// parameters:
+	//  - in: path
+	//    name: name
+	//    type: string
+	//    required: true
+	//    description: Full or partial ID or full name of the container to rename
+	//  - in: query
+	//    name: name
+	//    type: string
+	//    required: true
+	//    description: New name for the container
+	// produces:
+	// - application/json
+	// responses:
+	//   204:
+	//     description: no error
+	//   404:
+	//     $ref: "#/responses/NoSuchContainer"
+	//   409:
+	//     $ref: "#/responses/ConflictError"
+	//   500:
+	//     $ref: "#/responses/InternalError"
+	r.HandleFunc(VersionedPath("/containers/{name}/rename"), s.APIHandler(compat.RenameContainer)).Methods(http.MethodPost)
+	r.HandleFunc("/containers/{name}/rename", s.APIHandler(compat.RenameContainer)).Methods(http.MethodPost)
 
 	/*
 		libpod endpoints
@@ -1463,5 +1490,34 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error {
 	//   500:
 	//     $ref: "#/responses/InternalError"
 	r.HandleFunc(VersionedPath("/libpod/containers/{name}/init"), s.APIHandler(libpod.InitContainer)).Methods(http.MethodPost)
+	// swagger:operation POST /libpod/containers/{name}/rename libpod libpodRenameContainer
+	// ---
+	// tags:
+	//   - containers
+	// summary: Rename an existing container
+	// description: Change the name of an existing container.
+	// parameters:
+	//  - in: path
+	//    name: name
+	//    type: string
+	//    required: true
+	//    description: Full or partial ID or full name of the container to rename
+	//  - in: query
+	//    name: name
+	//    type: string
+	//    required: true
+	//    description: New name for the container
+	// produces:
+	// - application/json
+	// responses:
+	//   204:
+	//     description: no error
+	//   404:
+	//     $ref: "#/responses/NoSuchContainer"
+	//   409:
+	//     $ref: "#/responses/ConflictError"
+	//   500:
+	//     $ref: "#/responses/InternalError"
+	r.HandleFunc(VersionedPath("/libpod/containers/{name}/rename"), s.APIHandler(compat.RenameContainer)).Methods(http.MethodPost)
 	return nil
 }
diff --git a/pkg/domain/entities/containers.go b/pkg/domain/entities/containers.go
index 96687b1de..d8576c101 100644
--- a/pkg/domain/entities/containers.go
+++ b/pkg/domain/entities/containers.go
@@ -434,3 +434,9 @@ type ContainerStatsReport struct {
 	// Results, set when there is no error.
 	Stats []define.ContainerStats
 }
+
+// ContainerRenameOptions describes input options for renaming a container.
+type ContainerRenameOptions struct {
+	// NewName is the new name that will be given to the container.
+	NewName string
+}
diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go
index 7d38a97f2..d2552770c 100644
--- a/pkg/domain/entities/engine_container.go
+++ b/pkg/domain/entities/engine_container.go
@@ -37,6 +37,7 @@ type ContainerEngine interface {
 	ContainerPause(ctx context.Context, namesOrIds []string, options PauseUnPauseOptions) ([]*PauseUnpauseReport, error)
 	ContainerPort(ctx context.Context, nameOrID string, options ContainerPortOptions) ([]*ContainerPortReport, error)
 	ContainerPrune(ctx context.Context, options ContainerPruneOptions) ([]*reports.PruneReport, error)
+	ContainerRename(ctr context.Context, nameOrID string, options ContainerRenameOptions) error
 	ContainerRestart(ctx context.Context, namesOrIds []string, options RestartOptions) ([]*RestartReport, error)
 	ContainerRestore(ctx context.Context, namesOrIds []string, options RestoreOptions) ([]*RestoreReport, error)
 	ContainerRm(ctx context.Context, namesOrIds []string, options RmOptions) ([]*RmReport, error)
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index b5f5a0e91..a8f4d44a8 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -902,7 +902,7 @@ func (ic *ContainerEngine) ContainerRun(ctx context.Context, opts entities.Conta
 		if err := ic.Libpod.RemoveContainer(ctx, ctr, false, true); err != nil {
 			if errors.Cause(err) == define.ErrNoSuchCtr ||
 				errors.Cause(err) == define.ErrCtrRemoved {
-				logrus.Warnf("Container %s does not exist: %v", ctr.ID(), err)
+				logrus.Infof("Container %s was already removed, skipping --rm", ctr.ID())
 			} else {
 				logrus.Errorf("Error removing container %s: %v", ctr.ID(), err)
 			}
@@ -1312,3 +1312,17 @@ func (ic *ContainerEngine) ShouldRestart(ctx context.Context, nameOrID string) (
 
 	return &entities.BoolReport{Value: ctr.ShouldRestart(ctx)}, nil
 }
+
+// ContainerRename renames the given container.
+func (ic *ContainerEngine) ContainerRename(ctx context.Context, nameOrID string, opts entities.ContainerRenameOptions) error {
+	ctr, err := ic.Libpod.LookupContainer(nameOrID)
+	if err != nil {
+		return err
+	}
+
+	if _, err := ic.Libpod.RenameContainer(ctx, ctr, opts.NewName); err != nil {
+		return err
+	}
+
+	return nil
+}
diff --git a/pkg/domain/infra/tunnel/containers.go b/pkg/domain/infra/tunnel/containers.go
index 49bcdec98..8aab4a9cd 100644
--- a/pkg/domain/infra/tunnel/containers.go
+++ b/pkg/domain/infra/tunnel/containers.go
@@ -820,3 +820,8 @@ func (ic *ContainerEngine) ContainerStats(ctx context.Context, namesOrIds []stri
 func (ic *ContainerEngine) ShouldRestart(_ context.Context, id string) (bool, error) {
 	return containers.ShouldRestart(ic.ClientCtx, id, nil)
 }
+
+// ContainerRename renames the given container.
+func (ic *ContainerEngine) ContainerRename(ctx context.Context, nameOrID string, opts entities.ContainerRenameOptions) error {
+	return errors.Errorf("NOT YET IMPLEMENTED")
+}