75 lines
2.0 KiB
Go
75 lines
2.0 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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"context"
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"github.com/docker/cli/cli/command"
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"github.com/spf13/cobra"
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"github.com/docker/compose/v2/pkg/api"
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)
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type exportOptions struct {
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*ProjectOptions
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service string
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output string
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index int
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}
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func exportCommand(p *ProjectOptions, dockerCli command.Cli, backend api.Service) *cobra.Command {
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options := exportOptions{
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ProjectOptions: p,
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}
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cmd := &cobra.Command{
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Use: "export [OPTIONS] SERVICE",
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Short: "Export a service container's filesystem as a tar archive",
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Args: cobra.MinimumNArgs(1),
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PreRunE: Adapt(func(ctx context.Context, args []string) error {
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options.service = args[0]
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return nil
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}),
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RunE: Adapt(func(ctx context.Context, args []string) error {
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return runExport(ctx, dockerCli, backend, options)
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}),
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ValidArgsFunction: completeServiceNames(dockerCli, p),
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}
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flags := cmd.Flags()
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flags.IntVar(&options.index, "index", 0, "index of the container if service has multiple replicas.")
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flags.StringVarP(&options.output, "output", "o", "", "Write to a file, instead of STDOUT")
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return cmd
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}
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func runExport(ctx context.Context, dockerCli command.Cli, backend api.Service, options exportOptions) error {
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projectName, err := options.toProjectName(ctx, dockerCli)
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if err != nil {
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return err
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}
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exportOptions := api.ExportOptions{
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Service: options.service,
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Index: options.index,
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Output: options.output,
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}
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return backend.Export(ctx, projectName, exportOptions)
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}
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