Merge pull request kubernetes-retired#1538 from roberthbailey/1000-no…

…de-demo Automatic merge from submit-queue Add a simple script to scale up a cluster Also change the html headings to "Scale Demo" since we now go well beyond 1M QPS.
MrHohn · Aug 16, 2016 · d192df3 · d192df3
2 parents 2aaec45 + 954a158
commit d192df3
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diff --git a/scale-demo/scale-up.sh b/scale-demo/scale-up.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# Copyright 2016 The Kubernetes Authors 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.
+
+usage() {
+  echo "${0} <initial-size> <step-size> <target-size> [<sleep-duration-seconds>]"
+}
+
+if [[ "$#" -ne 3 ]] && [[ "$#" -ne 4 ]]; then
+  usage
+  exit 1
+fi
+
+declare -ir initial_size="${1}"
+declare -ir step_size="${2}"
+declare -ir target_size="${3}"
+declare -ir sleep_duration_sec="${4:-7}"
+
+echo "Scaling from ${initial_size} to ${target_size} by ${step_size} every ${sleep_duration_sec} seconds"
+
+for ((i=${initial_size}; i<=${target_size}; i+=${step_size})); do
+  current_size="${i}"
+  echo "Scaling to ${current_size} loadbots"
+  echo "kubectl scale rc vegeta --replicas=${current_size}"
+  kubectl scale rc vegeta --replicas="${current_size}"
+  sleep "${sleep_duration_sec}"
+done
diff --git a/scale-demo/www/index.html b/scale-demo/www/index.html
@@ -7,7 +7,7 @@
   <body>
     <div layout="column" style="margin-top: 20px; width: 80%" offset="10" ng-controller="AppCtrl">
       <md-toolbar layout="row" layout-align="space-around center">
-	<h1 class="md-display-2">Kubernetes 1M Reqs/Second</h1>
+	<h1 class="md-display-2">Kubernetes Scale Demo</h1>
 	<a href="https://k8s.io"> <img src="https://raw.githubusercontent.com/kubernetes/kubernetes/master/logo/logo.png" style="width:84; height: 84" />
 	</a>
       </md-toolbar>

diff --git a/scale-demo/www/pods.html b/scale-demo/www/pods.html
@@ -7,11 +7,11 @@
   <body>
     <div layout="column" style="margin-top: 20px; width: 80%" offset="10" ng-controller="AppCtrl">
       <md-toolbar layout="row" layout-align="space-around center">
-	<h1 class="md-display-2">Kubernetes 1M Reqs/Second</h1>
+	<h1 class="md-display-2">Kubernetes Scale Demo</h1>
 	<a href="https://k8s.io"> <img src="https://raw.githubusercontent.com/kubernetes/kubernetes/master/logo/logo.png" style="width:84; height: 84" />
 	</a>
       </md-toolbar>
-      
+
       <div layout="row" class="md-whiteframe-z2" style="padding: 10px">
 	<div layout-margin="10px" flex="20" style="text-align: right">
 	  <div class="md-subhead">Version 0.2</div>