refactor: reorder function sequence to make it more reasonable

apis/server/exec_bridge.go

@@ -0,0 +1,83 @@
+package server
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"github.com/alibaba/pouch/apis/types"
+	"github.com/alibaba/pouch/daemon/mgr"
+	"github.com/alibaba/pouch/pkg/httputils"
+
+	"github.com/go-openapi/strfmt"
+	"github.com/gorilla/mux"
+)
+
+func (s *Server) createContainerExec(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
+	config := &types.ExecCreateConfig{}
+	// decode request body
+	if err := json.NewDecoder(req.Body).Decode(config); err != nil {
+		return httputils.NewHTTPError(err, http.StatusBadRequest)
+	}
+	// validate request body
+	if err := config.Validate(strfmt.NewFormats()); err != nil {
+		return httputils.NewHTTPError(err, http.StatusBadRequest)
+	}
+
+	name := mux.Vars(req)["name"]
+
+	id, err := s.ContainerMgr.CreateExec(ctx, name, config)
+	if err != nil {
+		return err
+	}
+
+	execCreateResp := &types.ExecCreateResp{
+		ID: id,
+	}
+
+	return EncodeResponse(rw, http.StatusCreated, execCreateResp)
+}
+
+func (s *Server) startContainerExec(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
+	config := &types.ExecStartConfig{}
+	// decode request body
+	if err := json.NewDecoder(req.Body).Decode(config); err != nil {
+		return httputils.NewHTTPError(err, http.StatusBadRequest)
+	}
+	// validate request body
+	if err := config.Validate(strfmt.NewFormats()); err != nil {
+		return httputils.NewHTTPError(err, http.StatusBadRequest)
+	}
+
+	name := mux.Vars(req)["name"]
+	_, upgrade := req.Header["Upgrade"]
+
+	var attach *mgr.AttachConfig
+
+	if !config.Detach {
+		hijacker, ok := rw.(http.Hijacker)
+		if !ok {
+			return fmt.Errorf("not a hijack connection, container: %s", name)
+		}
+
+		attach = &mgr.AttachConfig{
+			Hijack:  hijacker,
+			Stdin:   config.Tty,
+			Stdout:  true,
+			Stderr:  true,
+			Upgrade: upgrade,
+		}
+	}
+
+	return s.ContainerMgr.StartExec(ctx, name, config, attach)
+}
+
+func (s *Server) getExecInfo(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
+	name := mux.Vars(req)["name"]
+	execInfo, err := s.ContainerMgr.InspectExec(ctx, name)
+	if err != nil {
+		return err
+	}
+	return EncodeResponse(rw, http.StatusOK, execInfo)
+}

apis/server/image_bridge.go

@@ -54,17 +54,6 @@ func (s *Server) pullImage(ctx context.Context, rw http.ResponseWriter, req *htt
 	return nil
 }
 
-func (s *Server) listImages(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
-	filters := req.FormValue("filters")
-
-	imageList, err := s.ImageMgr.ListImages(ctx, filters)
-	if err != nil {
-		logrus.Errorf("failed to list images: %v", err)
-		return err
-	}
-	return EncodeResponse(rw, http.StatusOK, imageList)
-}
-
 func (s *Server) getImage(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
 	idOrRef := mux.Vars(req)["name"]
 
@@ -77,6 +66,17 @@ func (s *Server) getImage(ctx context.Context, rw http.ResponseWriter, req *http
 	return EncodeResponse(rw, http.StatusOK, imageInfo)
 }
 
+func (s *Server) listImages(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
+	filters := req.FormValue("filters")
+
+	imageList, err := s.ImageMgr.ListImages(ctx, filters)
+	if err != nil {
+		logrus.Errorf("failed to list images: %v", err)
+		return err
+	}
+	return EncodeResponse(rw, http.StatusOK, imageList)
+}
+
 func (s *Server) searchImages(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
 	searchPattern := req.FormValue("term")
 	registry := req.FormValue("registry")

apis/server/network_bridge.go

@@ -37,6 +37,19 @@ func (s *Server) createNetwork(ctx context.Context, rw http.ResponseWriter, req
 	return EncodeResponse(rw, http.StatusCreated, networkCreateResp)
 }
 
+func (s *Server) getNetwork(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
+	id := mux.Vars(req)["id"]
+
+	network, err := s.NetworkMgr.Get(ctx, id)
+	if err != nil {
+		return err
+	}
+
+	networkResp := buildNetworkInspectResp(network)
+
+	return EncodeResponse(rw, http.StatusOK, networkResp)
+}
+
 func (s *Server) listNetwork(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
 	networks, err := s.NetworkMgr.List(ctx, map[string]string{})
 	if err != nil {
@@ -54,19 +67,6 @@ func (s *Server) listNetwork(ctx context.Context, rw http.ResponseWriter, req *h
 	return EncodeResponse(rw, http.StatusOK, respNetworks)
 }
 
-func (s *Server) getNetwork(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
-	id := mux.Vars(req)["id"]
-
-	network, err := s.NetworkMgr.Get(ctx, id)
-	if err != nil {
-		return err
-	}
-
-	networkResp := buildNetworkInspectResp(network)
-
-	return EncodeResponse(rw, http.StatusOK, networkResp)
-}
-
 func (s *Server) deleteNetwork(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
 	id := mux.Vars(req)["id"]
 

apis/server/volume_bridge.go

@@ -97,16 +97,6 @@ func (s *Server) getVolume(ctx context.Context, rw http.ResponseWriter, req *htt
 	return EncodeResponse(rw, http.StatusOK, respVolume)
 }
 
-func (s *Server) removeVolume(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
-	name := mux.Vars(req)["name"]
-
-	if err := s.VolumeMgr.Remove(ctx, name); err != nil {
-		return err
-	}
-	rw.WriteHeader(http.StatusNoContent)
-	return nil
-}
-
 func (s *Server) listVolume(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
 	volumes, err := s.VolumeMgr.List(ctx, map[string]string{})
 	if err != nil {
@@ -138,3 +128,13 @@ func (s *Server) listVolume(ctx context.Context, rw http.ResponseWriter, req *ht
 	}
 	return EncodeResponse(rw, http.StatusOK, respVolumes)
 }
+
+func (s *Server) removeVolume(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
+	name := mux.Vars(req)["name"]
+
+	if err := s.VolumeMgr.Remove(ctx, name); err != nil {
+		return err
+	}
+	rw.WriteHeader(http.StatusNoContent)
+	return nil
+}