63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
package main
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import (
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"fmt"
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"os"
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"text/tabwriter"
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"github.com/containerd/containerd/windows/hcsshimtypes"
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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 taskPsCommand = cli.Command{
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Name: "ps",
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Usage: "list processes for container",
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ArgsUsage: "CONTAINER",
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Action: func(context *cli.Context) error {
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var (
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id = context.Args().First()
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ctx, cancel = appContext(context)
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)
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defer cancel()
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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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client, err := newClient(context)
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if err != nil {
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return err
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}
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container, err := client.LoadContainer(ctx, id)
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if err != nil {
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return err
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}
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task, err := container.Task(ctx, nil)
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if err != nil {
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return err
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}
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processes, err := task.Pids(ctx)
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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\tINFO")
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for _, ps := range processes {
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if ps.Info != nil {
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var details hcsshimtypes.ProcessDetails
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if err := details.Unmarshal(ps.Info.Value); err == nil {
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if _, err := fmt.Fprintf(w, "%d\t%+v\n", ps.Pid, details); err != nil {
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return err
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}
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}
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} else {
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if _, err := fmt.Fprintf(w, "%d\t-\n", ps.Pid); err != nil {
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return err
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}
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}
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}
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return w.Flush()
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},
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}
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