Add configuration for a redis example.

examples/redis/image/Dockerfile

+FROM redis:2.8
+RUN apt-get update
+RUN apt-get install -yy -q python
+
+COPY redis-master.conf /redis-master/redis.conf
+COPY redis-slave.conf /redis-slave/redis.conf
+COPY run.sh /run.sh
+COPY sentinel.py /sentinel.py
+
+CMD [ "/run.sh" ]
+ENTRYPOINT [ "sh", "-c" ]

examples/redis/image/run.sh

+#!/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.
+
+function launchmaster() {
+  if [[ ! -e /redis-master-data ]]; then
+    echo "Redis master data doesn't exist, data won't be persistent!"
+    mkdir /redis-master-data
+  fi
+  redis-server /redis-master/redis.conf
+}
+
+function launchsentinel() {
+  while true; do
+    master=$(redis-cli -h ${REDIS_SENTINEL_SERVICE_HOST} -p ${REDIS_SENTINEL_SERVICE_PORT} --csv SENTINEL get-master-addr-by-name mymaster | tr ',' ' ' | cut -d' ' -f1)
+    if [[ -n ${master} ]]; then
+      master="${master//\"}"
+    else
+      master=$(hostname -i)
+    fi
+
+    redis-cli -h ${master} INFO
+    if [[ "$?" == "0" ]]; then
+      break
+    fi
+    echo "Connecting to master failed.  Waiting..."
+    sleep 10
+  done
+
+  sentinel_conf=sentinel.conf
+
+  echo "sentinel monitor mymaster ${master} 6379 2" > ${sentinel_conf}
+  echo "sentinel down-after-milliseconds mymaster 60000" >> ${sentinel_conf}
+  echo "sentinel failover-timeout mymaster 180000" >> ${sentinel_conf}
+  echo "sentinel parallel-syncs mymaster 1" >> ${sentinel_conf}
+
+  redis-sentinel ${sentinel_conf}
+}
+
+function launchslave() {
+  while true; do
+    master=$(redis-cli -h ${REDIS_SENTINEL_SERVICE_HOST} -p ${REDIS_SENTINEL_SERVICE_PORT} --csv SENTINEL get-master-addr-by-name mymaster | tr ',' ' ' | cut -d' ' -f1)
+    if [[ -n ${master} ]]; then
+      master="${master//\"}"
+    else
+      echo "Failed to find master."
+      sleep 60
+      exit 1
+    fi 
+    redis-cli -h ${master} INFO
+    if [[ "$?" == "0" ]]; then
+      break
+    fi
+    echo "Connecting to master failed.  Waiting..."
+    sleep 10
+  done
+  perl -pi -e "s/%master-ip%/${master}/" /redis-slave/redis.conf
+  perl -pi -e "s/%master-port%/6379/" /redis-slave/redis.conf
+  redis-server /redis-slave/redis.conf
+}
+
+if [[ "${MASTER}" == "true" ]]; then
+  launchmaster
+  exit 0
+fi
+
+if [[ "${SENTINEL}" == "true" ]]; then
+  launchsentinel
+  exit 0
+fi
+
+launchslave

examples/redis/redis-controller.yaml

+id: redis
+kind: ReplicationController
+apiVersion: v1beta1
+desiredState:
+  replicas: 1
+  replicaSelector:
+    name: redis
+  podTemplate:
+    desiredState:
+      manifest:
+        version: v1beta1
+        id: redis
+        containers:
+          - name: redis
+            image: kubernetes/redis
+            cpu: 1000
+            ports:
+              - name: api
+                containerPort: 6379
+            volumeMounts:
+              - name: data
+                mountPath: /redis-master-data
+        volumes:
+          - name: data
+            source:
+              emptyDir: {}
+    labels:
+      name: redis
+

examples/redis/redis-master-service.yaml

+id: redis-master
+kind: Service
+apiVersion: v1beta1
+port: 6379
+selector:
+  name: redis
+  role: master
+labels:
+  name: master
+  role: service

examples/redis/redis-master.yaml

+id: redis-master
+kind: Pod
+apiVersion: v1beta1
+desiredState:
+  manifest:
+    version: v1beta1
+    id: redis-master
+    containers:
+      - name: master
+        image: kubernetes/redis
+        cpu: 1000
+        ports:
+          - name: api
+            containerPort: 6379
+        volumeMounts:
+          - name: data
+            mountPath: /redis-master-data
+        env:
+          - key: MASTER
+            value: "true"
+      - name: sentinel
+        image: kubernetes/redis
+        ports:
+          - name: api
+            containerPort: 26379
+        env:
+          - key: SENTINEL
+            value: "true"
+    volumes:
+      - name: data
+        source:
+          emptyDir: {}
+labels:
+  name: redis
+  role: master
+  redis-sentinel: "true"
+
+    

examples/redis/redis-proxy.yaml

+id: redis-proxy
+kind: Pod
+apiVersion: v1beta1
+desiredState:
+  manifest:
+    version: v1beta1
+    id: redis-proxy
+    containers:
+      - name: proxy
+        image: kubernetes/redis-proxy
+        ports:
+          - name: api
+            containerPort: 6379
+labels:
+  name: redis-proxy
+  role: proxy
+
+
+    

examples/redis/redis-sentinel-controller.yaml

+id: redis-sentinel
+kind: ReplicationController
+apiVersion: v1beta1
+desiredState:
+  replicas: 1
+  replicaSelector:
+    redis-sentinel: "true"
+  podTemplate:
+    desiredState:
+      manifest:
+        version: v1beta1
+        id: redis-slave
+        containers:
+          - name: sentinel
+            image: kubernetes/redis
+            ports:
+              - name: api
+                containerPort: 26379
+            env:
+              - key: SENTINEL
+                value: "true"
+    labels:
+      name: redis-sentinel
+      role: sentinel
+      redis-sentinel: "true"
+

examples/redis/redis-sentinel-service.yaml

+id: redis-sentinel
+kind: Service
+apiVersion: v1beta1
+port: 26379
+containerPort: 26379
+selector:
+  redis-sentinel: "true"
+labels:
+  name: sentinel 
+  role: service

examples/redis/redis-sentinel.yaml

+id: redis-sentinel
+kind: Pod
+apiVersion: v1beta1
+desiredState:
+  manifest:
+    version: v1beta1
+    id: redis-sentinel
+    containers:
+      - name: sentinel
+        image: kubernetes/redis
+        ports:
+          - name: api
+            containerPort: 26379
+        env:
+          - key: SENTINEL
+            value: "true"
+labels:
+  name: redis-sentinel
+  role: sentinel
+  redis-sentinel: "true"
+
+    

examples/redis/redis-service.yaml

+id: redis
+kind: Service
+apiVersion: v1beta1
+port: 6379
+selector:
+  name: redis
+labels:
+  name: read
+  role: service

examples/redis/redis-slave.yaml

+id: redis-slave
+kind: Pod
+apiVersion: v1beta1
+desiredState:
+  manifest:
+    version: v1beta1
+    id: redis-slave
+    containers:
+      - name: slave
+        image: kubernetes/redis
+        cpu: 1000
+        ports:
+          - name: api
+            containerPort: 6379
+        volumeMounts:
+          - name: data
+            mountPath: /redis-master-data
+    volumes:
+      - name: data
+        source:
+          emptyDir: {}
+labels:
+  name: redis
+
+
+