mirror of
https://github.com/docker/compose.git
synced 2025-07-01 02:44:25 +02:00
92 lines
2.5 KiB
Go
92 lines
2.5 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 compose
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"strings"
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"github.com/docker/compose/v2/pkg/api"
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"github.com/compose-spec/compose-go/types"
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"github.com/docker/cli/cli/config/configfile"
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moby "github.com/docker/docker/api/types"
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"github.com/docker/docker/client"
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"github.com/sanathkr/go-yaml"
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)
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// NewComposeService create a local implementation of the compose.Service API
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func NewComposeService(apiClient client.APIClient, configFile *configfile.ConfigFile) api.Service {
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return &composeService{
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apiClient: apiClient,
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configFile: configFile,
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}
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}
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type composeService struct {
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apiClient client.APIClient
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configFile *configfile.ConfigFile
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}
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func getCanonicalContainerName(c moby.Container) string {
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// Names return container canonical name /foo + link aliases /linked_by/foo
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for _, name := range c.Names {
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if strings.LastIndex(name, "/") == 0 {
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return name[1:]
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}
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}
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return c.Names[0][1:]
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}
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func getContainerNameWithoutProject(c moby.Container) string {
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name := getCanonicalContainerName(c)
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project := c.Labels[api.ProjectLabel]
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prefix := fmt.Sprintf("%s_%s_", project, c.Labels[api.ServiceLabel])
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if strings.HasPrefix(name, prefix) {
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return name[len(project)+1:]
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}
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return name
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}
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func (s *composeService) Convert(ctx context.Context, project *types.Project, options api.ConvertOptions) ([]byte, error) {
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switch options.Format {
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case "json":
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marshal, err := json.MarshalIndent(project, "", " ")
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if err != nil {
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return nil, err
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}
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return escapeDollarSign(marshal), nil
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case "yaml":
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marshal, err := yaml.Marshal(project)
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if err != nil {
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return nil, err
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}
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return escapeDollarSign(marshal), nil
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default:
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return nil, fmt.Errorf("unsupported format %q", options)
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}
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}
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func escapeDollarSign(marshal []byte) []byte {
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dollar := []byte{'$'}
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escDollar := []byte{'$', '$'}
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return bytes.ReplaceAll(marshal, dollar, escDollar)
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}
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