mirror of https://github.com/docker/compose.git
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package cmd
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import (
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"context"
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"fmt"
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"os"
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"text/tabwriter"
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"github.com/docker/docker/pkg/stringid"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/docker/api/cli/formatter"
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"github.com/docker/api/client"
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)
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type psOpts struct {
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all bool
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quiet bool
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}
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// PsCommand lists containers
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func PsCommand() *cobra.Command {
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var opts psOpts
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cmd := &cobra.Command{
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Use: "ps",
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Short: "List containers",
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RunE: func(cmd *cobra.Command, args []string) error {
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return runPs(cmd.Context(), opts)
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},
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}
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cmd.Flags().BoolVarP(&opts.quiet, "quiet", "q", false, "Only display IDs")
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cmd.Flags().BoolVarP(&opts.quiet, "all", "a", false, "Show all containers (default shows just running)")
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return cmd
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}
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func runPs(ctx context.Context, opts psOpts) error {
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c, err := client.New(ctx)
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if err != nil {
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return errors.Wrap(err, "cannot connect to backend")
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}
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containers, err := c.ContainerService().List(ctx, opts.all)
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if err != nil {
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return errors.Wrap(err, "fetch containers")
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}
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if opts.quiet {
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for _, c := range containers {
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fmt.Println(c.ID)
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}
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return nil
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}
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w := tabwriter.NewWriter(os.Stdout, 0, 0, 8, ' ', 0)
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fmt.Fprintf(w, "CONTAINER ID\tIMAGE\tCOMMAND\tSTATUS\tPORTS\n")
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format := "%s\t%s\t%s\t%s\t%s\n"
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for _, c := range containers {
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fmt.Fprintf(w, format, stringid.TruncateID(c.ID), c.Image, c.Command, c.Status, formatter.PortsString(c.Ports))
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}
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return w.Flush()
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}
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