8000 Google Cloud Memorystore Sample (#1096) · ScarTheSilent/java-docs-samples@02192c4 · GitHub
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Google Cloud Memorystore Sample (GoogleCloudPlatform#1096)
* adding code sample for Google Cloud Memorystore * Addressing review comments memorystore_ region tags * Adding README links
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‎memorystore/redis/README.md

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# Getting started with Googe Cloud Memorystore
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Simple HTTP server example to demonstrate connecting to [Google Cloud Memorystore](https://cloud.google.com/memorystore/docs/redis)
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This sample uses the [Jedis client](https://mvnrepository.com/artifact/redis.clients/jedis).
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Please see other client library options [here](https://redis.io/clients#java).
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## Running on GCE
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Follow the instructions in [this guide](https://cloud.google.com/memorystore/docs/redis/connect-redis-instance-gce) to deploy the sample application on a GCE VM.
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## Running on GKE
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Follow the instructions in [this guide](https://cloud.google.com/memorystore/docs/redis/connect-redis-instance-gke) to deploy the sample application on GKE.
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## Running on Google App Engine Flex
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Follow the instructions in [this guide](https://cloud.google.com/memorystore/docs/redis/connect-redis-instance-flex) to deploy the sample application on GAE Flex.
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‎memorystore/redis/flex_deployment/app.yaml

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# Copyright 2018 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# [START memorystore_app_yaml]
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runtime: java
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env: flex
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# [END memorystore_app_yaml]

‎memorystore/redis/gce_deployment/deploy.sh

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#!/bin/bash
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#
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# Copyright 2018 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# [START memorystore_deploy_sh]
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if [ -z "$GCS_APP_LOCATION" ]; then
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if [ -z "$BUCKET"]; then
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echo "Must set \$BUCKET. For example: BUCKET=my-bucket-name"
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exit 1
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fi
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GCS_APP_LOCATION="gs://$BUCKET/gce/"
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echo $GCS_APP_LOCATION
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fi
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if [ -z "$ZONE" ]; then
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ZONE=$(gcloud config get-value compute/zone -q)
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echo $ZONE
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fi
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if [ -z "$WAR" ]; then
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WAR=visitcounter-1.0-SNAPSHOT.war
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fi
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#Build the WAR package
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cd ..
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mvn clean package
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#Copy the WAR artifact to the GCS bucket location
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gsutil cp -r target/${WAR} ${GCS_APP_LOCATION}
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cd gce_deployment
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# Create an instance
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gcloud compute instances create my-instance \
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--image-family=debian-9 \
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--image-project=debian-cloud \
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--machine-type=g1-small \
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--scopes cloud-platform \
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--metadata-from-file startup-script=startup-script.sh \
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--metadata app-location=${GCS_APP_LOCATION},app-war=$WAR \
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--zone $ZONE \
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--tags http-server
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gcloud compute firewall-rules create allow-http-server-8080 \
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--allow tcp:8080 \
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--source-ranges 0.0.0.0/0 \
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--target-tags http-server \
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--description "Allow port 8080 access to http-server"
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# [END memorystore_deploy_sh]

‎memorystore/redis/gce_deployment/startup-script.sh

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#! /bin/bash
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# Copyright 2018 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# [START memorystore_startup_script_sh]
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set -ex
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# Talk to the metadata server to get the project id and location of application binary.
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PROJECTID=$(curl -s "http://metadata.google.internal/computeMetadata/v1/project/project-id" -H "Metadata-Flavor: Google")
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GCS_APP_LOCATION=$(curl -s "http://metadata.google.internal/computeMetadata/v1/instance/attributes/app-location" -H "Metadata-Flavor: Google")
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WAR=$(curl -s "http://metadata.google.internal/computeMetadata/v1/instance/attributes/app-war" -H "Metadata-Flavor: Google")
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gsutil cp "$GCS_APP_LOCATION"** .
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# Install dependencies from apt
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apt-get update
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apt-get install -qq openjdk-8-jdk-headless
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# Make Java8 the default
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update-alternatives --set java /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
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# Jetty Setup
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mkdir -p /opt/jetty/temp
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mkdir -p /var/log/jetty
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# Get Jetty
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curl -L https://repo1.maven.org/maven2/org/eclipse/jetty/jetty-distribution/9.4.10.v20180503/jetty-distribution-9.4.10.v20180503.tar.gz -o jetty9.tgz
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tar xf jetty9.tgz --strip-components=1 -C /opt/jetty
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# Add a Jetty User
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useradd --user-group --shell /bin/false --home-dir /opt/jetty/temp jetty
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cd /opt/jetty
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# Add running as "jetty"
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java -jar /opt/jetty/start.jar --add-to-startd=setuid
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cd /
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# very important - by renaming the war to root.war, it will run as the root servlet.
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mv $WAR /opt/jetty/webapps/root.war
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# Make sure "jetty" owns everything.
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chown --recursive jetty /opt/jetty
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# Configure the default paths for the Jetty service
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cp /opt/jetty/bin/jetty.sh /etc/init.d/jetty
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echo "JETTY_HOME=/opt/jetty" > /etc/default/jetty
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{
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echo "JETTY_BASE=/opt/jetty"
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echo "TMPDIR=/opt/jetty/temp"
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echo "JAVA_OPTIONS=-Djetty.http.port=8080"
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echo "JETTY_LOGS=/var/log/jetty"
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} >> /etc/default/jetty
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# Reload daemon to pick up new service
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systemctl daemon-reload
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# Install logging monitor. The monitor will automatically pickup logs sent to syslog.
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curl -s "https://storage.googleapis.com/signals-agents/logging/google-fluentd-install.sh" | bash
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service google-fluentd restart &
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service jetty start
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service jetty check
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echo "Startup Complete"
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# [END memorystore_startup_script_sh]

‎memorystore/redis/gce_deployment/teardown.sh

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#!/bin/bash
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# Copyright 2018 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# [START memorystore_teardown_sh]
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gcloud compute instances delete my-instance
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gcloud compute firewall-rules delete allow-http-server-8080
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# [END memorystore_teardown_sh]

‎memorystore/redis/gke_deployment/Dockerfile

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# Copyright 2018 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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FROM launcher.gcr.io/google/jetty
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ADD target/visitcounter-1.0-SNAPSHOT.war $JETTY_BASE/webapps/root.war

‎memorystore/redis/gke_deployment/visit-counter.yaml

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# Copyright 2018 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: visit-counter
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labels:
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app: visit-counter
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spec:
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replicas: 1
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template:
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metadata:
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labels:
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app: visit-counter
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spec:
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containers:
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- name: visit-counter
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image: "gcr.io/<PROJECT_ID>/visit-counter:v1"
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env:
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- name: REDISHOST
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valueFrom:
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configMapKeyRef:
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name: redishost
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key: REDISHOST
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ports:
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- name: http
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containerPort: 8080
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: visit-counter
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spec:
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type: LoadBalancer
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selector:
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app: visit-counter
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ports:
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- port: 80
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targetPort: 8080
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protocol: TCP

‎memorystore/redis/pom.xml

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<!--
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Copyright 2018 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<project>
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<modelVersion>4.0.0</modelVersion>
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<packaging>war</packaging>
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<version>1.0-SNAPSHOT</version>
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<groupId>com.example.redis</groupId>
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<artifactId>visitcounter</artifactId>
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<!--
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The parent pom defines common style checks and testing strategies for our samples.
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Removing or replacing it should not affect the execution of the samples in anyway.
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-->
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<parent>
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<groupId>com.google.cloud.samples</groupId>
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<artifactId>shared-configuration</artifactId>
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<version>1.0.10</version>
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</parent>
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<properties>
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<maven.compiler.target>1.8</maven.compiler.target>
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<maven.compiler.source>1.8</maven.compiler.source>
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<jetty>9.4.10.v20180503</jetty>
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<failOnMissingWebXml>false</failOnMissingWebXml>
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</properties>
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<!-- [START memorystore_dependencies] -->
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<dependencies>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>javax.servlet-api</artifactId>
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<version>3.1.0</version>
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<type>jar</type>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>redis.clients</groupId>
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<artifactId>jedis</artifactId>
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<version>2.9.0</version>
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</dependency>
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</dependencies>
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<!-- [END memorystore_dependencies] -->
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<build>
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<!-- for hot reload of the web application -->
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<outputDirectory>servlet/target/visitcounter-1.0-SNAPSHOT/WEB-INF/classes</outputDirectory>
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<plugins>
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<!--- Only required to test application locally -->
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<plugin>
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<groupId>org.eclipse.jetty</groupId>
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<artifactId>jetty-maven-plugin</artifactId>
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<version>${jetty}</version>
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</plugin>
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<!-- [START memorystore_appengine_maven_plugin] -->
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<!-- Deployment plugin for App Engine Flexible -->
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<plugin>
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<groupId>com.google.cloud.tools</groupId>
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<artifactId>appengine-maven-plugin</artifactId>
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<version>1.3.2</version>
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</plugin>
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<!-- [END memorystore_appengine_maven_plugin] -->
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</plugins>
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</build>
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</project>

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