mirror of
https://github.com/docker/compose.git
synced 2025-11-29 01:54:08 +01:00
107 lines
2.4 KiB
Go
107 lines
2.4 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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"bufio"
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"context"
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"fmt"
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"io"
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"os"
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"github.com/docker/compose-cli/api/compose"
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"github.com/spf13/cobra"
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"github.com/docker/compose-cli/api/client"
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)
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type convertOptions struct {
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*projectOptions
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Format string
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Output string
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quiet bool
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}
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var addFlagsFuncs []func(cmd *cobra.Command, opts *convertOptions)
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func convertCommand(p *projectOptions) *cobra.Command {
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opts := convertOptions{
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projectOptions: p,
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}
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cmd := &cobra.Command{
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Aliases: []string{"config"},
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Use: "convert SERVICES",
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Short: "Converts the compose file to platform's canonical format",
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RunE: func(cmd *cobra.Command, args []string) error {
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if opts.quiet {
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devnull, err := os.Open(os.DevNull)
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if err != nil {
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return err
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}
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os.Stdout = devnull
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}
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return runConvert(cmd.Context(), opts, args)
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},
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}
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flags := cmd.Flags()
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flags.StringVar(&opts.Format, "format", "yaml", "Format the output. Values: [yaml | json]")
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flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Only validate the configuration, don't print anything.")
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// add flags for hidden backends
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for _, f := range addFlagsFuncs {
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f(cmd, &opts)
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}
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return cmd
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}
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func runConvert(ctx context.Context, opts convertOptions, services []string) error {
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var json []byte
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c, err := client.NewWithDefaultLocalBackend(ctx)
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if err != nil {
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return err
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}
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project, err := opts.toProject(services)
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if err != nil {
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return err
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}
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json, err = c.ComposeService().Convert(ctx, project, compose.ConvertOptions{
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Format: opts.Format,
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Output: opts.Output,
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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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if opts.quiet {
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return nil
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}
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var out io.Writer = os.Stdout
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if opts.Output != "" {
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file, err := os.Create(opts.Output)
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if err != nil {
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return err
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}
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out = bufio.NewWriter(file)
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}
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_, err = fmt.Fprint(out, string(json))
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return err
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}
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