59 lines
1.0 KiB
Go
59 lines
1.0 KiB
Go
package main
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import (
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gocontext "context"
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"fmt"
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"os"
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"text/tabwriter"
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"github.com/containerd/containerd/api/services/execution"
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"github.com/pkg/errors"
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"github.com/urfave/cli"
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)
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var psCommand = cli.Command{
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Name: "ps",
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Usage: "list processes for container",
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "id",
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Usage: "id of the container",
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},
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},
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Action: func(context *cli.Context) error {
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id := context.String("id")
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if id == "" {
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return errors.New("container id must be provided")
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}
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pr := &execution.ProcessesRequest{
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ID: id,
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}
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containers, err := getExecutionService(context)
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if err != nil {
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return err
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}
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resp, err := containers.Processes(gocontext.Background(), pr)
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if err != nil {
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return err
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}
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w := tabwriter.NewWriter(os.Stdout, 10, 1, 3, ' ', 0)
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fmt.Fprintln(w, "PID")
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for _, ps := range resp.Processes {
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if _, err := fmt.Fprintf(w, "%d\n",
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ps.Pid,
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); err != nil {
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return err
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}
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}
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if err := w.Flush(); err != nil {
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return err
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}
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return nil
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},
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}
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