80 lines
2.1 KiB
Go
80 lines
2.1 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 volume
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import (
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"fmt"
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"io"
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"os"
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"strings"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/docker/compose-cli/api/client"
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"github.com/docker/compose-cli/api/volumes"
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"github.com/docker/compose-cli/errdefs"
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"github.com/docker/compose-cli/formatter"
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)
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type listVolumeOpts struct {
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format string
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}
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func listVolume() *cobra.Command {
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var opts listVolumeOpts
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cmd := &cobra.Command{
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Use: "ls",
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Short: "list available volumes in context.",
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Args: cobra.ExactArgs(0),
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RunE: func(cmd *cobra.Command, args []string) error {
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c, err := client.New(cmd.Context())
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if err != nil {
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return err
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}
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vols, err := c.VolumeService().List(cmd.Context())
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if err != nil {
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return err
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}
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return printList(opts.format, os.Stdout, vols)
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},
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}
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cmd.Flags().StringVar(&opts.format, "format", formatter.PRETTY, "Format the output. Values: [pretty | json]. (Default: pretty)")
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return cmd
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}
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func printList(format string, out io.Writer, volumes []volumes.Volume) error {
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var err error
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switch strings.ToLower(format) {
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case formatter.PRETTY, "":
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_ = formatter.PrintPrettySection(out, func(w io.Writer) {
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for _, vol := range volumes {
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_, _ = fmt.Fprintf(w, "%s\t%s\n", vol.ID, vol.Description)
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}
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}, "ID", "DESCRIPTION")
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case formatter.JSON:
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outJSON, err := formatter.ToStandardJSON(volumes)
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if err != nil {
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return err
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}
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_, _ = fmt.Fprint(out, outJSON)
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default:
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err = errors.Wrapf(errdefs.ErrParsingFailed, "format value %q could not be parsed", format)
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}
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return err
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}
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