From 241326a9a8c20ad7f2bcf651416b836e7778e090 Mon Sep 17 00:00:00 2001
From: Brent Baude <bbaude@redhat.com>
Date: Thu, 16 Apr 2020 12:25:26 -0500
Subject: Podman V2 birth

remote podman v1 and replace with podman v2.

Signed-off-by: Brent Baude <bbaude@redhat.com>
---
 cmd/podman/pods/top.go | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 cmd/podman/pods/top.go

(limited to 'cmd/podman/pods/top.go')

diff --git a/cmd/podman/pods/top.go b/cmd/podman/pods/top.go
new file mode 100644
index 000000000..ad602f4ea
--- /dev/null
+++ b/cmd/podman/pods/top.go
@@ -0,0 +1,86 @@
+package pods
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"strings"
+	"text/tabwriter"
+
+	"github.com/containers/libpod/cmd/podman/registry"
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/containers/psgo"
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+)
+
+var (
+	topDescription = fmt.Sprintf(`Specify format descriptors to alter the output.
+
+	You may run "podman pod top -l pid pcpu seccomp" to print the process ID, the CPU percentage and the seccomp mode of each process of the latest pod.
+  Format Descriptors:
+    %s`, strings.Join(psgo.ListDescriptors(), ","))
+
+	topOptions = entities.PodTopOptions{}
+
+	topCommand = &cobra.Command{
+		Use:   "top [flags] POD [FORMAT-DESCRIPTORS|ARGS]",
+		Short: "Display the running processes in a pod",
+		Long:  topDescription,
+		RunE:  top,
+		Args:  cobra.ArbitraryArgs,
+		Example: `podman pod top podID
+podman pod top --latest
+podman pod top podID pid seccomp args %C
+podman pod top podID -eo user,pid,comm`,
+	}
+)
+
+func init() {
+	registry.Commands = append(registry.Commands, registry.CliCommand{
+		Mode:    []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+		Command: topCommand,
+		Parent:  podCmd,
+	})
+
+	flags := topCommand.Flags()
+	flags.SetInterspersed(false)
+	flags.BoolVar(&topOptions.ListDescriptors, "list-descriptors", false, "")
+	flags.BoolVarP(&topOptions.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
+
+	_ = flags.MarkHidden("list-descriptors") // meant only for bash completion
+	if registry.IsRemote() {
+		_ = flags.MarkHidden("latest")
+	}
+}
+
+func top(cmd *cobra.Command, args []string) error {
+	if topOptions.ListDescriptors {
+		fmt.Println(strings.Join(psgo.ListDescriptors(), "\n"))
+		return nil
+	}
+
+	if len(args) < 1 && !topOptions.Latest {
+		return errors.Errorf("you must provide the name or id of a running pod")
+	}
+
+	if topOptions.Latest {
+		topOptions.Descriptors = args
+	} else {
+		topOptions.NameOrID = args[0]
+		topOptions.Descriptors = args[1:]
+	}
+
+	topResponse, err := registry.ContainerEngine().PodTop(context.Background(), topOptions)
+	if err != nil {
+		return err
+	}
+
+	w := tabwriter.NewWriter(os.Stdout, 5, 1, 3, ' ', 0)
+	for _, proc := range topResponse.Value {
+		if _, err := fmt.Fprintln(w, proc); err != nil {
+			return err
+		}
+	}
+	return w.Flush()
+}
-- 
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