From 6f492593ecb90b6fc8aefac6d3f0319613b21054 Mon Sep 17 00:00:00 2001
From: baude <bbaude@redhat.com>
Date: Mon, 28 Aug 2017 09:59:31 -0500
Subject: [PATCH] Add image_id to json output

Consumers of the json output, like the atomic cli, need the ID of the
image for the container as well as the name.  Specifically, it is used
to tract "used" and "vulnerable" images.

Signed-off-by: baude <bbaude@redhat.com>
---
 cmd/kpod/ps.go        | 2 ++
 docs/kpod-images.1.md | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/cmd/kpod/ps.go b/cmd/kpod/ps.go
index f9bf76c4..ad2f1989 100644
--- a/cmd/kpod/ps.go
+++ b/cmd/kpod/ps.go
@@ -53,6 +53,7 @@ type psTemplateParams struct {
 type psJSONParams struct {
 	ID               string              `json:"id"`
 	Image            string              `json:"image"`
+	ImageID          string              `json:"image_id"`
 	Command          string              `json:"command"`
 	CreatedAt        time.Time           `json:"createdAt"`
 	RunningFor       time.Duration       `json:"runningFor"`
@@ -296,6 +297,7 @@ func getJSONOutput(containers []*libkpod.ContainerData) (psOutput []psJSONParams
 		params := psJSONParams{
 			ID:               ctr.ID,
 			Image:            ctr.FromImage,
+			ImageID:          ctr.FromImageID,
 			Command:          ctr.ImageCreatedBy,
 			CreatedAt:        ctr.State.Created,
 			RunningFor:       time.Since(ctr.State.Created),
diff --git a/docs/kpod-images.1.md b/docs/kpod-images.1.md
index 26b743c6..96408090 100644
--- a/docs/kpod-images.1.md
+++ b/docs/kpod-images.1.md
@@ -51,6 +51,8 @@ kpod images --format json
 
 kpod images --format "{{.ID}}"
 
+kpod images --filter dangling=true
+
 ## SEE ALSO
 kpod(1)