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The deployment script for Cassandra removes Datastax Community Edition 2.2.x as well as OpsCenter and the Datastax Agent (which are not compatible with Cassandra 3.x), downloads and installs Cassandra the Cassandra tools from the from the Apache Software Foundation repository, and and creates the necessary firewall rules to allow proper operation both for a single node or a cluster installation. To install, execute the installation script (install_cassandracassandra<version_3number>_11<os_centos7version>.sh).
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#!/bin/bash echo "==========================================" echo "Installing Apache Cassandra 3.11.x" echo "==========================================" echo "Removing Datastax Community Edition" yum remove -y datastax-agent yum remove -y opscenter yum remove -y cassandra22-tools yum remove -y cassandra22 yum remove -y dsc22 rm -f /etc/yum.repos.d/datastax.repo echo "Creating Apache Cassandra Repository File" echo "[cassandra]" > /etc/yum.repos.d/cassandra.repo echo "name=Apache Cassandra" >> /etc/yum.repos.d/cassandra.repo echo "baseurl=http://www.apache.org/dist/cassandra/redhat/311x/" >> /etc/yum.repos.d/cassandra.repo echo "gpgcheck=1" >> /etc/yum.repos.d/cassandra.repo echo "repo_gpgcheck=1" >> /etc/yum.repos.d/cassandra.repo echo "gpgkey=https://www.apache.org/dist/cassandra/KEYS" >> /etc/yum.repos.d/cassandra.repo yum install -y epel-release yum install -y cassandra yum install -y cassandra-tools yum install -y jemalloc chkconfig --add cassandra chkconfig cassandra on echo "=======================" echo "Configuring firewall" echo "=======================" FWZONE=$(firewall-cmd --get-default-zone) echo "Discovered firewall zone $FWZONE" cat <<EOF | tee /etc/firewalld/services/cassandra.xml <?xml version="1.0" encoding="utf-8"?> <service version="1.0"> <short>cassandra</short> <description>cassandra</description> <port port="7000" protocol="tcp"/> <port port="7001" protocol="tcp"/> <port port="9042" protocol="tcp"/> <port port="9160" protocol="tcp"/> <port port="9142" protocol="tcp"/> </service> EOF sleep 5 firewall-cmd --zone=$FWZONE --remove-port=7000/tcp --permanent &> /dev/null firewall-cmd --zone=$FWZONE --remove-port=7001/tcp --permanent &> /dev/null firewall-cmd --zone=$FWZONE --remove-port=7199/tcp --permanent &> /dev/null firewall-cmd --zone=$FWZONE --remove-port=9042/tcp --permanent &> /dev/null firewall-cmd --zone=$FWZONE --remove-port=9160/tcp --permanent &> /dev/null firewall-cmd --zone=$FWZONE --remove-port=9142/tcp --permanent &> /dev/null firewall-cmd --zone=$FWZONE --add-service=cassandra --permanent firewall-cmd --reload echo "=====================================================" echo "Changing ownership of data and commit log directories" echo "=====================================================" mkdir /data &> /dev/null mkdir /logs &> /dev/null chown cassandra:cassandra /data &> /dev/null chown cassandra:cassandra /logs &> /dev/null echo "=====================================================" echo "Making configuration file changes" echo "=====================================================" IP_ADDRESS=$(ip route get 1 | awk '{print $NF;exit}') HOSTNAME=$(hostname) cp /etc/cassandra/default.conf/cassandra.yaml /etc/cassandra/default.conf/cassandra.yaml.backup cp /etc/cassandra/default.conf/cassandra.yaml ./cassandra.yaml.template sed -i "s/ - seeds: \"127.0.0.1\"/ - seeds: \"$IP_ADDRESS\"/g" cassandra.yaml.template sed -i "s/listen_address:.*/listen_address: $IP_ADDRESS/g" cassandra.yaml.template sed -i "s/# broadcast_rpc_address:.*/broadcast_rpc_address: $IP_ADDRESS/g" cassandra.yaml.template sed -i "s/broadcast_rpc_address:.*/broadcast_rpc_address: $IP_ADDRESS/g" cassandra.yaml.template sed -i "s/# commitlog_total_space_in_mb:.*/commitlog_total_space_in_mb: 8192/g" cassandra.yaml.template sed -i "s/commitlog_total_space_in_mb:.*/commitlog_total_space_in_mb: 8192/g" cassandra.yaml.template sed -i "s/^rpc_address:.*/rpc_address: 0.0.0.0/g" cassandra.yaml.template sed -i "s/start_rpc:.*/start_rpc: true/g" cassandra.yaml.template sed -i "s/thrift_framed_transport_size_in_mb:.*/thrift_framed_transport_size_in_mb: 100/g" cassandra.yaml.template sed -i "s/commitlog_segment_size_in_mb:.*/commitlog_segment_size_in_mb: 192/g" cassandra.yaml.template sed -i "s/read_request_timeout_in_ms:.*/read_request_timeout_in_ms: 1800000/g" cassandra.yaml.template sed -i "s/range_request_timeout_in_ms:.*/range_request_timeout_in_ms: 1800000/g" cassandra.yaml.template sed -i "s/write_request_timeout_in_ms:.*/write_request_timeout_in_ms: 1800000/g" cassandra.yaml.template sed -i "s/cas_contention_timeout_in_ms:.*/cas_contention_timeout_in_ms: 1000/g" cassandra.yaml.template sed -i "s/truncate_request_timeout_in_ms:.*/truncate_request_timeout_in_ms: 1800000/g" cassandra.yaml.template sed -i "s/request_timeout_in_ms:.*/request_timeout_in_ms: 1800000/g" cassandra.yaml.template sed -i "s/batch_size_warn_threshold_in_kb:.*/batch_size_warn_threshold_in_kb: 3000/g" cassandra.yaml.template sed -i "s/batch_size_fail_threshold_in_kb:.*/batch_size_fail_threshold_in_kb: 5000/g" cassandra.yaml.template sed -i '/data_file_directories:.*/!b;n;c\ \ \ \ - \/data\/data' cassandra.yaml.template sed -i "s/hints_directory:.*/hints_directory: \/data\/hints/g" cassandra.yaml.template sed -i "s/commitlog_directory:.*/commitlog_directory: \/logs\/commitlog/g" cassandra.yaml.template sed -i "s/saved_caches_directory:.*/saved_caches_directory: \/data\/saved_caches/g" cassandra.yaml.template \cp -fR ./cassandra.yaml.template /etc/cassandra/default.conf/cassandra.yaml # Apply fix to systemd vulnerability preventing service control of cassandra cat << EOF > /etc/systemd/system/cassandra.service [Unit] Description=Apache Cassandra After=network.target [Service] PIDFile=/var/run/cassandra/cassandra.pid User=cassandra Group=cassandra ExecStart=/usr/sbin/cassandra -f -p /var/run/cassandra/cassandra.pid Restart=always LimitNOFILE=100000 LimitMEMLOCK=infinity LimitNPROC=32768 [Install] WantedBy=multi-user.target EOF chkconfig --del cassandra systemctl daemon-reload systemctl enable cassandra |
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