podman-remote pod top|stats

this is the final enablement for the pod subcommand.  it includes the
ability to run podman-remote pod top and stats.

Signed-off-by: baude <bbaude@redhat.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/pkg/varlinkapi/pods.go b/pkg/varlinkapi/pods.go
index 4ca4c4270..c79cee4c2 100644
--- a/pkg/varlinkapi/pods.go
+++ b/pkg/varlinkapi/pods.go
@@ -2,6 +2,7 @@ package varlinkapi
 
 import (
 	"encoding/json"
+	"fmt"
 	"github.com/containers/libpod/pkg/adapter/shortcuts"
 	"github.com/containers/libpod/pkg/rootless"
 	"syscall"
@@ -299,3 +300,33 @@ func (i *LibpodAPI) PodStateData(call iopodman.VarlinkCall, name string) error {
 	}
 	return call.ReplyPodStateData(string(b))
 }
+
+// TopPod provides the top stats for a given or latest pod
+func (i *LibpodAPI) TopPod(call iopodman.VarlinkCall, name string, latest bool, descriptors []string) error {
+	var (
+		pod *libpod.Pod
+		err error
+	)
+	if latest {
+		name = "latest"
+		pod, err = i.Runtime.GetLatestPod()
+	} else {
+		pod, err = i.Runtime.LookupPod(name)
+	}
+	if err != nil {
+		return call.ReplyPodNotFound(name, err.Error())
+	}
+
+	podStatus, err := shared.GetPodStatus(pod)
+	if err != nil {
+		return call.ReplyErrorOccurred(fmt.Sprintf("unable to get status for pod %s", pod.ID()))
+	}
+	if podStatus != "Running" {
+		return call.ReplyErrorOccurred("pod top can only be used on pods with at least one running container")
+	}
+	reply, err := pod.GetPodPidInformation(descriptors)
+	if err != nil {
+		return call.ReplyErrorOccurred(err.Error())
+	}
+	return call.ReplyTopPod(reply)
+}