Created
March 15, 2018 22:49
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A partial script for installing the dynamo-db janusgraph EC2 instance via aws cloud formation. Paste this into your dynamodb-janusgraph-storage-backend-cfn.yaml, replacing the existing one. Fixes a java mismatch with maven during gremlin install.
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| - '' | |
| - - "#!/bin/bash\n" | |
| - "export SDKMAN_DIR=/usr/local/sdkman && curl -s https://get.sdkman.io | bash && source /usr/local/sdkman/bin/sdkman-init.sh\n" | |
| - "echo 'export SDKMAN_DIR=/usr/local/sdkman; source /usr/local/sdkman/bin/sdkman-init.sh' > /etc/profile.d/sdkman.sh\n" | |
| - "yum update -y && yum upgrade -y && yum install -y java-1.8.0-openjdk > /home/ec2-user/yumupdates.log\n" | |
| - "yum remove -y java-1.7.0-openjdk > /home/ec2-user/yumremovejava7.log\n" | |
| - "java -version > /home/ec2-user/java-version-before-sdkmvn.log\n" | |
| - "sdk install java < /dev/null\n" | |
| - "sdk current java > /home/ec2-user/java-version-from-sdkman.log\n" | |
| - "sdk install maven < /dev/null && set -x\n" | |
| - "mvn -version > /home/ec2-user/maven-installation-settings.log\n" | |
| - "export GREMLIN_SERVER_USERNAME='ec2-user'\n" | |
| - "export LOG_DIR=/var/log/gremlin-server\n" | |
| - "export SERVER_DIRNAME=dynamodb-janusgraph-storage-backend-1.2.0\n" | |
| - "export SERVER_ZIP=${SERVER_DIRNAME}.zip\n" | |
| - "export PACKAGES_DIR=/usr/local/packages\n" | |
| - "export INSTALL_DIR=${PACKAGES_DIR}/${SERVER_DIRNAME}\n" | |
| - "export REPO_ARCHIVE_DIR=/dev/shm/dynamodb-janusgraph-storage-backend-master\n" | |
| - "mkdir -p ${LOG_DIR} ${INSTALL_DIR}\n" | |
| - "export SERVICE_SCRIPT=${INSTALL_DIR}/bin/gremlin-server-service.sh\n" | |
| - "pushd /dev/shm\n" | |
| - "wget https://github.com/awslabs/dynamodb-janusgraph-storage-backend/archive/master.zip && unzip -q master.zip\n" | |
| - "pushd ${REPO_ARCHIVE_DIR}\n" | |
| - "src/test/resources/install-gremlin-server.sh > /home/ec2-user/gremlin-server-installation.log && popd && popd\n" | |
| - "pushd ${PACKAGES_DIR}\n" | |
| - "mv ${REPO_ARCHIVE_DIR}/server/${SERVER_DIRNAME} . && rm -rf /dev/shm/* && chmod u+x ${SERVICE_SCRIPT} && ln -s ${SERVICE_SCRIPT} /etc/init.d/gremlin-server && chkconfig --add gremlin-server\n" | |
| - "export BACKEND_PROPERTIES=${INSTALL_DIR}/conf/gremlin-server/dynamodb.properties\n" | |
| - "aws s3 cp " | |
| - Ref: "StorageBackendPropertiesFileS3Url" | |
| - " ${BACKEND_PROPERTIES}\n" | |
| - "chown -R ${GREMLIN_SERVER_USERNAME}:${GREMLIN_SERVER_USERNAME} ${LOG_DIR} ${INSTALL_DIR}\n" | |
| - "ln -s ${INSTALL_DIR}/conf /home/ec2-user/conf && chmod a+r /home/ec2-user/conf\n" | |
| - "service gremlin-server start > /home/ec2-user/gremlin-server-start.log\n\n" |
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One more issue I faced when installing on t2.micro is space on "/dev/shm" which causes failure of script.
Can we move to "/tmp" so that it can work on all types of instances.