50 lines
1 KiB
Go
50 lines
1 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"github.com/Microsoft/hcsshim/internal/appargs"
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"github.com/Microsoft/hcsshim/internal/schema1"
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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: "ps displays the processes running inside a container",
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ArgsUsage: `<container-id> [ps options]`,
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "format, f",
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Value: "json",
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Usage: `select one of: ` + formatOptions,
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},
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},
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Before: appargs.Validate(argID),
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Action: func(context *cli.Context) error {
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id := context.Args().First()
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container, err := getContainer(id, true)
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if err != nil {
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return err
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}
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props, err := container.hc.Properties(schema1.PropertyTypeProcessList)
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if err != nil {
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return err
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}
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var pids []int
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for _, p := range props.ProcessList {
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pids = append(pids, int(p.ProcessId))
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}
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switch context.String("format") {
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case "json":
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return json.NewEncoder(os.Stdout).Encode(pids)
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default:
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return fmt.Errorf("invalid format option")
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}
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},
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SkipArgReorder: true,
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}
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