Pull image if without when create service

Signed-off-by: skanehira <[email protected]>

compose-ref.go

@@ -201,6 +201,7 @@ func doUp(project string, config *compose.Config) error {
  if err != nil {
  return err
  }
+
  return createService(cli, project, prjDir, service, networks)
  })
 
@@ -221,6 +222,11 @@ func doUp(project string, config *compose.Config) error {
 func createService(cli *client.Client, project string, prjDir string, s compose.ServiceConfig, networks map[string]string) error {
  ctx := context.Background()
 
+ err := internal.PullImageIfWithout(cli, ctx, s.Name)
+ if err != nil {
+ return err
+ }
+
  var shmSize int64
  if s.ShmSize != "" {
  v, err := units.RAMInBytes(s.ShmSize)

internal/image.go

@@ -0,0 +1,45 @@
+/*
+ Copyright 2020 The Compose Specification Authors.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+package internal
+
+import (
+ "context"
+ "fmt"
+
+ "github.com/docker/docker/api/types"
+ "github.com/docker/docker/api/types/filters"
+ "github.com/docker/docker/client"
+)
+
+func PullImageIfWithout(cli *client.Client, ctx context.Context, name string) error {
+ args := filters.NewArgs(filters.Arg("reference", name))
+ images, err := cli.ImageList(ctx, types.ImageListOptions{All: true, Filters: args})
+ if err != nil {
+ return err
+ }
+ if len(images) == 0 {
+ fmt.Println("pulling image: " + name)
+ _, err := cli.ImagePull(ctx, name, types.ImagePullOptions{})
+ if err != nil {
+ return err
+ }
+
+ // TODO use github.com/docker/cli/cli/streams to dispaly stream message
+ }
+
+ return nil
+}