From f8e2f927f6e5bfe2b1da3cfac7380597569bbaa8 Mon Sep 17 00:00:00 2001
From: Joe Beda <joe.github@bedafamily.com>
Date: Tue, 19 Aug 2014 22:16:53 -0700
Subject: [PATCH] Pretty up the demo a little.

Use images and some better formatting.  Also add scripts to help prevent typos.

This based on an improved version done by Julia Ferraioli.  She came up with the cool images.
---
 cmd/kubecfg/kubecfg.go                        |   9 +-
 examples/update-demo/0-run-web-proxy.sh       |  22 ++++
 .../1-create-replication-controller.sh        |  24 ++++
 examples/update-demo/2-scale.sh               |  21 ++++
 examples/update-demo/3-rolling-update.sh      |  26 +++++
 examples/update-demo/4-down.sh                |  20 ++++
 examples/update-demo/README.md                |  75 +++++++------
 examples/update-demo/image/Dockerfile         |   7 --
 examples/update-demo/image/data.json          |   3 -
 examples/update-demo/image/default            |  23 ----
 examples/update-demo/images/base/Dockerfile   |  22 ++++
 examples/update-demo/images/base/default      |  37 +++++++
 examples/update-demo/images/build-images.sh   |  32 ++++++
 examples/update-demo/images/kitten/Dockerfile |  15 +++
 .../update-demo/images/kitten/html/data.json  |   3 +
 .../update-demo/images/kitten/html/kitten.jpg | Bin 0 -> 14769 bytes
 .../update-demo/images/nautilus/Dockerfile    |  15 +++
 .../images/nautilus/html/data.json            |   3 +
 .../images/nautilus/html/nautilus.jpg         | Bin 0 -> 21231 bytes
 examples/update-demo/local/index.html         |  22 ++--
 examples/update-demo/local/script.js          | 103 +++++++++---------
 examples/update-demo/local/style.css          |  22 ++--
 pkg/kubecfg/kubecfg.go                        |   5 +-
 23 files changed, 375 insertions(+), 134 deletions(-)
 create mode 100755 examples/update-demo/0-run-web-proxy.sh
 create mode 100755 examples/update-demo/1-create-replication-controller.sh
 create mode 100755 examples/update-demo/2-scale.sh
 create mode 100755 examples/update-demo/3-rolling-update.sh
 create mode 100755 examples/update-demo/4-down.sh
 delete mode 100644 examples/update-demo/image/Dockerfile
 delete mode 100644 examples/update-demo/image/data.json
 delete mode 100644 examples/update-demo/image/default
 create mode 100644 examples/update-demo/images/base/Dockerfile
 create mode 100644 examples/update-demo/images/base/default
 create mode 100755 examples/update-demo/images/build-images.sh
 create mode 100644 examples/update-demo/images/kitten/Dockerfile
 create mode 100644 examples/update-demo/images/kitten/html/data.json
 create mode 100644 examples/update-demo/images/kitten/html/kitten.jpg
 create mode 100644 examples/update-demo/images/nautilus/Dockerfile
 create mode 100644 examples/update-demo/images/nautilus/html/data.json
 create mode 100644 examples/update-demo/images/nautilus/html/nautilus.jpg

diff --git a/cmd/kubecfg/kubecfg.go b/cmd/kubecfg/kubecfg.go
index 63793a6806d..9ff29a1e8fe 100644
--- a/cmd/kubecfg/kubecfg.go
+++ b/cmd/kubecfg/kubecfg.go
@@ -55,7 +55,7 @@ var (
 	www           = flag.String("www", "", "If -proxy is true, use this directory to serve static files")
 	templateFile  = flag.String("template_file", "", "If present, load this file as a golang template and use it for output printing")
 	templateStr   = flag.String("template", "", "If present, parse this string as a golang template and use it for output printing")
-	imageName     = flag.String("image", "", "Image used when updating a replicationController")
+	imageName     = flag.String("image", "", "Image used when updating a replicationController.  Will apply to the first container in the pod template.")
 )
 
 var parser = kubecfg.NewParser(map[string]interface{}{
@@ -72,11 +72,14 @@ func usage() {
   kubecfg [OPTIONS] get|list|create|delete|update <%s>[/<id>]
 
   Manage replication controllers:
-  kubecfg [OPTIONS] stop|rm|rollingupdate <controller>
+  kubecfg [OPTIONS] stop|rm <controller>
   kubecfg [OPTIONS] [-u <time>] [-image image] rollingupdate <controller>
-  kubecfg [OPTIONS] [-p <port spec>] run <image> <replicas> <controller>
   kubecfg [OPTIONS] resize <controller> <replicas>
 
+  Launch a simple ReplicationController with a single container based
+  on the given image:
+  kubecfg [OPTIONS] [-p <port spec>] run <image> <replicas> <controller>
+
   Options:
 `, prettyWireStorage())
 	flag.PrintDefaults()
diff --git a/examples/update-demo/0-run-web-proxy.sh b/examples/update-demo/0-run-web-proxy.sh
new file mode 100755
index 00000000000..2a26ae765c5
--- /dev/null
+++ b/examples/update-demo/0-run-web-proxy.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+echo "Running local proxy to Kubernetes API Server.  Run this in a "
+echo "separate terminal or run it in the background."
+echo
+echo "    http://localhost:8001/static/"
+echo
+../../cluster/kubecfg.sh -proxy -www local/
diff --git a/examples/update-demo/1-create-replication-controller.sh b/examples/update-demo/1-create-replication-controller.sh
new file mode 100755
index 00000000000..54ee0115213
--- /dev/null
+++ b/examples/update-demo/1-create-replication-controller.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+if [ -z "$DOCKER_HUB_USER" ] ; then
+  echo "Please set DOCKER_HUB_USER to your Docker hub account"
+  exit 1
+fi
+
+set -x
+
+../../cluster/kubecfg.sh -p 8080:80 run $DOCKER_HUB_USER/update-demo:nautilus 2 update-demo
diff --git a/examples/update-demo/2-scale.sh b/examples/update-demo/2-scale.sh
new file mode 100755
index 00000000000..8958871feca
--- /dev/null
+++ b/examples/update-demo/2-scale.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+NEW_SIZE=${1:-4}
+
+set -x
+
+../../cluster/kubecfg.sh resize update-demo $NEW_SIZE
diff --git a/examples/update-demo/3-rolling-update.sh b/examples/update-demo/3-rolling-update.sh
new file mode 100755
index 00000000000..f7222e72016
--- /dev/null
+++ b/examples/update-demo/3-rolling-update.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+if [ -z "$DOCKER_HUB_USER" ] ; then
+  echo "Please set DOCKER_HUB_USER to your Docker hub account"
+  exit 1
+fi
+
+NEW_IMAGE=${1:-kitten}
+
+set -x
+
+../../cluster/kubecfg.sh -image $DOCKER_HUB_USER/update-demo:$NEW_IMAGE -u 10s rollingupdate update-demo
diff --git a/examples/update-demo/4-down.sh b/examples/update-demo/4-down.sh
new file mode 100755
index 00000000000..cd565891df9
--- /dev/null
+++ b/examples/update-demo/4-down.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -x
+
+../../cluster/kubecfg.sh stop update-demo
+../../cluster/kubecfg.sh rm update-demo
diff --git a/examples/update-demo/README.md b/examples/update-demo/README.md
index 4a8783949ed..8baf41e6643 100644
--- a/examples/update-demo/README.md
+++ b/examples/update-demo/README.md
@@ -27,7 +27,7 @@ This example assumes that you have forked the repository and [turned up a Kubern
 
 This example also assumes that you have [Docker](http://docker.io) installed on your local machine.
 
-It also assumes that ```$DOCKER_USER``` is set to your docker user id.
+It also assumes that `$DOCKER_HUB_USER` is set to your Docker user id.  We use this to upload the docker images that are used in the demo.
 
 You may need to open the firewall for port 8080 using the [console][cloud-console] or the `gcutil` tool. The following command will allow traffic from any source to instances tagged `kubernetes-minion`:
 
@@ -37,57 +37,66 @@ $ gcutil addfirewall --allowed=tcp:8080 --target_tags=kubernetes-minion kubernet
 
 ### Step One: Build the image
 
-    $ cd kubernetes/examples/update-demo/image
-    $ docker build -t $DOCKER_USER/data .
-    $ docker push $DOCKER_USER/data
+```shell
+$ cd kubernetes/examples/update-demo
+$ ./build-images.sh
+```
 
-### Step Two: Run the controller
-Now we will turn up two replicas of that image.  They all serve on port 8080, mapped to internal port 80
+### Step Two: Turn up the UX for the demo
 
-    $ cd kubernetes
-    $ cluster/kubecfg.sh -p 8080:80 run $DOCKER_USER/data 2 dataController
+```shell
+$ ./0-run-web-proxy.sh &
+```
 
-### Step Three: Turn up the UX for the demo
-In a different terminal:
+This can sometimes spew to the output so you could also run it in a different terminal.
 
-    $ cd kubernetes
-    $ cluster/kubecfg.sh -proxy -www examples/update-demo/local/
+Now visit the the [demo website](http://localhost:8001/static).  You won't see anything much quite yet.
 
-Now visit the the [demo website](http://localhost:8001/static/index.html).  You should see two light blue squares with pod IDs and ip addresses.
+### Step Three: Run the controller
+Now we will turn up two replicas of an image.  They all serve on port 8080, mapped to internal port 80
+
+```shell
+$ ./1-create-replication-controller.sh
+```
+
+After these pull the image (which may take a minute or so) you'll see a couple of squares in the UI detailing the pods that are running along with the image that they are serving up.  A cute little nautilus.
 
 ### Step Four: Try resizing the controller
+
 Now we will increase the number of replicas from two to four:
 
-    $ cd kubernetes
-    $ cluster/kubecfg.sh resize dataController 4
+```shell
+$ ./2-scale.sh
+```
 
 If you go back to the [demo website](http://localhost:8001/static/index.html) you should eventually see four boxes, one for each pod.
 
 ### Step Five: Update the docker image
-We will now update the docker image to serve a different color.
+We will now update the docker image to serve a different image by doing a rolling update to a new Docker image.
 
-    $ cd kubernetes/examples/update-demo/image
-    $ ${EDITOR} data.json
-
-Edit the ```color``` value so that it is a new color.  For example:
-```js
-{
-  "color": "#F00"
-}
+```shell
+$ ./3-rolling-update
 ```
-Will set the color to red.
+The rollingUpdate command in kubecfg will do 2 things:
 
-Once you are happy with the color, build a new image:
+1. Update the template in the replication controller to the new image (`$DOCKER_HUB_USER/update-demo:kitten`)
+2. Kill each of the pods one by one.  It'll let the replication controller create new pods to replace those that were killed.
 
-    $ docker build -t $DOCKER_USER/data .
-    $ docker push $DOCKER_USER/data
+Watch the UX, it will update one pod every 10 seconds until all of the pods have the new image.
 
-### Step Six: Roll the update out to your servers
-We will now update the servers that are running out in your cluster.
+### Step Five: Bring down the pods
 
-    $ cd kubernetes
-    $ cluster/kubecfg.sh -u=30s rollingupdate dataController
+```shell
+$ ./4-down.sh
+```
 
-Watch the UX, it will update one pod every 30 seconds until all of the pods have the new color.
+This will first 'stop' the replication controller by turning the target number of replicas to 0.  It'll then delete that controller.
 
 [cloud-console]: https://console.developer.google.com
+
+### Image Copyright
+
+Note that he images included here are public domain.
+
+* [kitten](http://commons.wikimedia.org/wiki/File:Kitten-stare.jpg)
+* [nautilus](http://commons.wikimedia.org/wiki/File:Nautilus_pompilius.jpg)
diff --git a/examples/update-demo/image/Dockerfile b/examples/update-demo/image/Dockerfile
deleted file mode 100644
index d0c8f5a45bd..00000000000
--- a/examples/update-demo/image/Dockerfile
+++ /dev/null
@@ -1,7 +0,0 @@
-FROM dockerfile/nginx
-
-ADD data.json /usr/share/nginx/html/data.json
-ADD default /etc/nginx/sites-available/default
-RUN chmod a+r /usr/share/nginx/html/data.json
-
-CMD ["nginx"]
diff --git a/examples/update-demo/image/data.json b/examples/update-demo/image/data.json
deleted file mode 100644
index 9e1609a7f17..00000000000
--- a/examples/update-demo/image/data.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "color": "#0FF"
-}
diff --git a/examples/update-demo/image/default b/examples/update-demo/image/default
deleted file mode 100644
index 74f8049c74a..00000000000
--- a/examples/update-demo/image/default
+++ /dev/null
@@ -1,23 +0,0 @@
-server {
-        listen 80 default_server;
-        listen [::]:80 default_server ipv6only=on;
-
-        root /usr/share/nginx/html;
-        index index.html index.htm;
-
-        # Make site accessible from http://localhost/
-        server_name localhost;
-
-        location / {
-                try_files $uri $uri/ =404;
-                expires           0;
-    		add_header        Cache-Control private;
-
-		if ($request_method = 'GET') {
- 		   add_header 'Access-Control-Allow-Origin' '*';
-        	   add_header 'Access-Control-Allow-Credentials' 'true';
-        	   add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
-        	   add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
-     		}
-         }
-}
diff --git a/examples/update-demo/images/base/Dockerfile b/examples/update-demo/images/base/Dockerfile
new file mode 100644
index 00000000000..428a708a54e
--- /dev/null
+++ b/examples/update-demo/images/base/Dockerfile
@@ -0,0 +1,22 @@
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM dockerfile/nginx
+
+ADD default /etc/nginx/sites-available/default
+
+ONBUILD ADD html /usr/share/nginx/html
+ONBUILD RUN chmod -R a+r /usr/share/nginx/html
+
+CMD ["nginx"]
diff --git a/examples/update-demo/images/base/default b/examples/update-demo/images/base/default
new file mode 100644
index 00000000000..03b952faef2
--- /dev/null
+++ b/examples/update-demo/images/base/default
@@ -0,0 +1,37 @@
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+server {
+  listen 80 default_server;
+  listen [::]:80 default_server ipv6only=on;
+
+  root /usr/share/nginx/html;
+  index index.html index.htm;
+
+  # Make site accessible from http://localhost/
+  server_name localhost;
+
+  location / {
+    try_files $uri $uri/ =404;
+    expires           0;
+    add_header        Cache-Control private;
+
+    if ($request_method = 'GET') {
+      add_header 'Access-Control-Allow-Origin' '*';
+      add_header 'Access-Control-Allow-Credentials' 'true';
+      add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+      add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
+    }
+  }
+}
diff --git a/examples/update-demo/images/build-images.sh b/examples/update-demo/images/build-images.sh
new file mode 100755
index 00000000000..25edd084a47
--- /dev/null
+++ b/examples/update-demo/images/build-images.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script will build and push the images necessary for the demo.
+
+if (( $# != 1 )); then
+  echo "Usage: $0 <docker hub user name>"
+  exit 1
+fi
+
+DOCKER_USER=$1
+
+set -x
+
+docker build -t update-demo-base base
+docker build -t $DOCKER_USER/update-demo:kitten kitten
+docker build -t $DOCKER_USER/update-demo:nautilus nautilus
+
+docker push $DOCKER_USER/update-demo
diff --git a/examples/update-demo/images/kitten/Dockerfile b/examples/update-demo/images/kitten/Dockerfile
new file mode 100644
index 00000000000..f6de6de1a29
--- /dev/null
+++ b/examples/update-demo/images/kitten/Dockerfile
@@ -0,0 +1,15 @@
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM update-demo-base
diff --git a/examples/update-demo/images/kitten/html/data.json b/examples/update-demo/images/kitten/html/data.json
new file mode 100644
index 00000000000..0be61a42b30
--- /dev/null
+++ b/examples/update-demo/images/kitten/html/data.json
@@ -0,0 +1,3 @@
+{
+  "image": "kitten.jpg"
+}
diff --git a/examples/update-demo/images/kitten/html/kitten.jpg b/examples/update-demo/images/kitten/html/kitten.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..a382bf16aceb05d0c084a32815dcea80aaf02d4b
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HcmV?d00001

diff --git a/examples/update-demo/images/nautilus/Dockerfile b/examples/update-demo/images/nautilus/Dockerfile
new file mode 100644
index 00000000000..f6de6de1a29
--- /dev/null
+++ b/examples/update-demo/images/nautilus/Dockerfile
@@ -0,0 +1,15 @@
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM update-demo-base
diff --git a/examples/update-demo/images/nautilus/html/data.json b/examples/update-demo/images/nautilus/html/data.json
new file mode 100644
index 00000000000..2debee09a91
--- /dev/null
+++ b/examples/update-demo/images/nautilus/html/data.json
@@ -0,0 +1,3 @@
+{
+  "image": "nautilus.jpg"
+}
diff --git a/examples/update-demo/images/nautilus/html/nautilus.jpg b/examples/update-demo/images/nautilus/html/nautilus.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..544d2bd471abf859e029d412f24ac64c2c7aecb6
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/examples/update-demo/local/index.html b/examples/update-demo/local/index.html
index 1a8156c21cc..0b66f8488db 100644
--- a/examples/update-demo/local/index.html
+++ b/examples/update-demo/local/index.html
@@ -13,17 +13,23 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
+
 <html ng-app>
 <head>
-<script src="angular.min.js"></script>
-<script src="script.js"></script>
-<link rel="stylesheet" href="style.css"></link>
+  <script src="angular.min.js"></script>
+  <script src="script.js"></script>
+  <link rel="stylesheet" href="style.css"></link>
 </head>
 <body ng-controller="ButtonsCtrl">
-    <div ng-repeat="server in servers" class="server" style="background: #FFF">
-      <b>{{server.id}}</b>
-      <div class="img" style="background: {{server.color}};"> </div>
-      <a href="http://{{server.ip}}:8080/data.json">{{server.ip}}</a>
-    </div>
+  <div ng-repeat="server in servers" class="pod">
+    <img src="http://{{server.ip}}:8080/{{server.image}}" height="100px" width="100px" />
+    <b>ID:</b> {{server.id}}<br>
+    <b>Host:</b> <a href="http://{{server.ip}}:8080/data.json">{{server.host}}</a><br>
+    <b>Image:</b> {{server.dockerImage}}<br>
+    <b>Labels:</b>
+    <ul>
+      <li ng-repeat="(key,value) in server.labels">{{key}}={{value}}</li>
+    </ul>
+  </div>
 </body>
 </html>
diff --git a/examples/update-demo/local/script.js b/examples/update-demo/local/script.js
index 0a833bd58c8..59606c96b87 100644
--- a/examples/update-demo/local/script.js
+++ b/examples/update-demo/local/script.js
@@ -16,72 +16,77 @@ limitations under the License.
 
 var base = "http://localhost:8001/api/v1beta1/";
 
-var updateColor = function($http, server) {
-    $http.get("http://" + server.ip + ":8080/data.json")
+var updateImage = function($http, server) {
+  $http.get("http://" + server.ip + ":8080/data.json")
     .success(function(data) {
-	    server.color = data.color;
-	    console.log(data);
-	})
+      server.image = data.image;
+      console.log(data);
+    })
     .error(function(data) {
-            server.color = "#000";
-	    console.log(data);
-	});
+      server.image = ""
+      console.log(data);
+    });
 };
 
 var updateServer = function($http, server) {
-	$http.get(base + "pods/" + server.id)
-	.success(function(data) {
-		console.log(data);
-		server.ip = data.currentState.hostIP;
-		updateColor($http, server);
-	    })
-	.error(function(data) {
-		console.log(data);
-	    });
+  $http.get(base + "pods/" + server.id)
+    .success(function(data) {
+      console.log(data);
+      server.ip = data.currentState.hostIP;
+      server.labels = data.labels;
+      server.host = data.currentState.host.split('.')[0]
+      server.dockerImage = data.currentState.info["update-demo-container"].Config.Image
+      updateImage($http, server);
+    })
+    .error(function(data) {
+      console.log(data);
+    });
 };
 
 var updateData = function($scope, $http) {
-    var servers = $scope.servers
-    for (var i = 0; i < servers.length; ++i) {
-	var server = servers[i];
-	updateServer($http, server);
-    }
+  var servers = $scope.servers
+  for (var i = 0; i < servers.length; ++i) {
+    var server = servers[i];
+    updateServer($http, server);
+  }
 };
 
 var ButtonsCtrl = function ($scope, $http, $interval) {
-    $scope.servers = [];
-    update($scope, $http);
-    $interval(angular.bind({}, update, $scope, $http), 2000);
+  $scope.servers = [];
+  update($scope, $http);
+  $interval(angular.bind({}, update, $scope, $http), 2000);
 };
 
 var getServer = function($scope, id) {
-    var servers = $scope.servers;
-    for (var i = 0; i < servers.length; ++i) {
-	if (servers[i].id == id) {
-	    return servers[i];
-	}
+  var servers = $scope.servers;
+  for (var i = 0; i < servers.length; ++i) {
+    if (servers[i].id == id) {
+      return servers[i];
     }
-    return null;
+  }
+  return null;
 };
 
 var update = function($scope, $http) {
-    if (!$http) {
-	console.log("No HTTP!");
-	return;
-    }
-    $http.get(base + "pods")
-      .success(function(data) {
-        console.log(data);
-        var newServers = [];
-	for (var i = 0; i < data.items.length; ++i) {
-	    var server = getServer($scope, data.items[i].id);
-	    if (server == null) {
-		server = { "id": data.items[i].id };
-	    }
-	    newServers.push(server);
-	}
-	$scope.servers = newServers;
-        updateData($scope, $http)
+  if (!$http) {
+    console.log("No HTTP!");
+    return;
+  }
+  $http.get(base + "pods")
+    .success(function(data) {
+      console.log(data);
+      var newServers = [];
+      for (var i = 0; i < data.items.length; ++i) {
+        var server = getServer($scope, data.items[i].id);
+        if (server == null) {
+          server = { "id": data.items[i].id };
+        }
+        newServers.push(server);
+      }
+      $scope.servers = newServers;
+      updateData($scope, $http)
+    })
+    .error(function(data) {
+      console.log("ERROR: " + data);
     })
-    .error(function(data) { console.log("ERROR: " + data); })
 };
diff --git a/examples/update-demo/local/style.css b/examples/update-demo/local/style.css
index 0cd61a530f1..ea8941c0ac3 100644
--- a/examples/update-demo/local/style.css
+++ b/examples/update-demo/local/style.css
@@ -14,19 +14,27 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-.img {
+img {
   height: 100px;
   width: 100px;
-  background-size: 100px 100px; 
-  margin-left: 25px;
+  float: right;
+  background-size: 100px 100px;
+  background-color: black;
+  margin-left: 10px;
+  border: none;
 }
 
-.server {
+ul {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.pod {
   font-family: Roboto, Open Sans, arial;
-  width: 150px;
-  height: 150px;
   border: 1px solid black;
+  border-radius: 5px;
+  padding: 10px;
   margin: 10px;
   display: inline-block;
-  padding: 3px;
+  background-color: #D1D1D1;
 }
diff --git a/pkg/kubecfg/kubecfg.go b/pkg/kubecfg/kubecfg.go
index 3dffc12b26d..35fc4b7bcc5 100644
--- a/pkg/kubecfg/kubecfg.go
+++ b/pkg/kubecfg/kubecfg.go
@@ -78,7 +78,10 @@ func LoadAuthInfo(path string, r io.Reader) (*client.AuthInfo, error) {
 // 'name' points to a replication controller.
 // 'client' is used for updating pods.
 // 'updatePeriod' is the time between pod updates.
-// 'imageName' is the new image to update to the template
+// 'imageName' is the new image to update for the template.  This will work
+//     with the first container in the pod.  There is no support yet for
+//     updating more complex replication controllers.  If this is blank then no
+//     update of the image is performed.
 func Update(name string, client client.Interface, updatePeriod time.Duration, imageName string) error {
 	controller, err := client.GetReplicationController(name)
 	if err != nil {