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bfb5511d0d
Also update TestDefaultNetworkSettings: Test that the network with the highest priority is returned as "primary" network, and other networks as extra networks. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
124 lines
3.2 KiB
Go
124 lines
3.2 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package bridge
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"github.com/docker/cli/cli/command"
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"github.com/moby/go-archive"
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"github.com/moby/moby/api/types/image"
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"github.com/moby/moby/client"
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)
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const (
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TransformerLabel = "com.docker.compose.bridge"
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DefaultTransformerImage = "docker/compose-bridge-kubernetes"
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templatesPath = "/templates"
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)
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type CreateTransformerOptions struct {
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Dest string
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From string
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}
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func CreateTransformer(ctx context.Context, dockerCli command.Cli, options CreateTransformerOptions) error {
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if options.From == "" {
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options.From = DefaultTransformerImage
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}
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out, err := filepath.Abs(options.Dest)
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if err != nil {
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return err
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}
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if _, err := os.Stat(out); err == nil {
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return fmt.Errorf("output folder %s already exists", out)
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}
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tmpl := filepath.Join(out, "templates")
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err = os.MkdirAll(tmpl, 0o744)
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if err != nil && !os.IsExist(err) {
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return fmt.Errorf("cannot create output folder: %w", err)
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}
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if err := command.ValidateOutputPath(out); err != nil {
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return err
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}
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created, err := dockerCli.Client().ContainerCreate(ctx, client.ContainerCreateOptions{
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Image: options.From,
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})
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defer func() {
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_, _ = dockerCli.Client().ContainerRemove(context.Background(), created.ID, client.ContainerRemoveOptions{
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Force: true,
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})
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}()
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if err != nil {
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return err
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}
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resp, err := dockerCli.Client().CopyFromContainer(ctx, created.ID, client.CopyFromContainerOptions{
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SourcePath: templatesPath,
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})
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if err != nil {
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return err
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}
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defer func() {
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_ = resp.Content.Close()
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}()
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srcInfo := archive.CopyInfo{
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Path: templatesPath,
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Exists: true,
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IsDir: resp.Stat.Mode.IsDir(),
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}
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preArchive := resp.Content
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if srcInfo.RebaseName != "" {
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_, srcBase := archive.SplitPathDirEntry(srcInfo.Path)
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preArchive = archive.RebaseArchiveEntries(resp.Content, srcBase, srcInfo.RebaseName)
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}
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if err := archive.CopyTo(preArchive, srcInfo, out); err != nil {
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return err
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}
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dockerfile := `FROM docker/compose-bridge-transformer
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LABEL com.docker.compose.bridge=transformation
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COPY templates /templates
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`
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if err := os.WriteFile(filepath.Join(out, "Dockerfile"), []byte(dockerfile), 0o700); err != nil {
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return err
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}
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_, err = fmt.Fprintf(dockerCli.Out(), "Transformer created in %q\n", out)
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return err
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}
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func ListTransformers(ctx context.Context, dockerCli command.Cli) ([]image.Summary, error) {
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res, err := dockerCli.Client().ImageList(ctx, client.ImageListOptions{
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Filters: make(client.Filters).Add("label", fmt.Sprintf("%s=%s", TransformerLabel, "transformation")),
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})
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if err != nil {
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return nil, err
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}
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return res.Items, nil
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}
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