mirror of https://github.com/docker/cli.git
97 lines
2.2 KiB
Go
97 lines
2.2 KiB
Go
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package network
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import (
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"sort"
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"golang.org/x/net/context"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/filters"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/cli/command"
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"github.com/docker/docker/cli/command/formatter"
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"github.com/spf13/cobra"
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)
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type byNetworkName []types.NetworkResource
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func (r byNetworkName) Len() int { return len(r) }
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func (r byNetworkName) Swap(i, j int) { r[i], r[j] = r[j], r[i] }
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func (r byNetworkName) Less(i, j int) bool { return r[i].Name < r[j].Name }
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type listOptions struct {
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quiet bool
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noTrunc bool
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format string
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filter []string
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}
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func newListCommand(dockerCli *command.DockerCli) *cobra.Command {
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var opts listOptions
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cmd := &cobra.Command{
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Use: "ls [OPTIONS]",
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Aliases: []string{"list"},
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Short: "List networks",
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Args: cli.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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return runList(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Only display network IDs")
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flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Do not truncate the output")
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flags.StringVar(&opts.format, "format", "", "Pretty-print networks using a Go template")
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flags.StringSliceVarP(&opts.filter, "filter", "f", []string{}, "Provide filter values (i.e. 'dangling=true')")
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return cmd
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}
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func runList(dockerCli *command.DockerCli, opts listOptions) error {
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client := dockerCli.Client()
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netFilterArgs := filters.NewArgs()
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for _, f := range opts.filter {
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var err error
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netFilterArgs, err = filters.ParseFlag(f, netFilterArgs)
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if err != nil {
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return err
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}
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}
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options := types.NetworkListOptions{
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Filters: netFilterArgs,
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}
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networkResources, err := client.NetworkList(context.Background(), options)
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if err != nil {
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return err
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}
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f := opts.format
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if len(f) == 0 {
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if len(dockerCli.ConfigFile().NetworksFormat) > 0 && !opts.quiet {
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f = dockerCli.ConfigFile().NetworksFormat
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} else {
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f = "table"
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}
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}
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sort.Sort(byNetworkName(networkResources))
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networksCtx := formatter.NetworkContext{
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Context: formatter.Context{
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Output: dockerCli.Out(),
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Format: f,
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Quiet: opts.quiet,
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Trunc: !opts.noTrunc,
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},
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Networks: networkResources,
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}
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networksCtx.Write()
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return nil
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}
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