sudo tee -a /etc/systemd/system/spark-master.service >/dev/null <<EOF
[Unit]
Description=Apache Spark Master
Documentation=https://spark.apache.org/docs/3.3.0
Wants=network-online.target
After=network-online.target
After=systemd-user-sessions.service
[Service]
User=spark
Type=forking
EnvironmentFile=${SPARK_HOME}/etc/.env
ExecStart=${SPARK_HOME}/sbin/start-master.sh
ExecStop=${SPARK_HOME}/sbin/stop-master.sh
[Install]
WantedBy=multi-user.target
EOF
sudo tee -a /etc/systemd/system/spark-slave.service >/dev/null <<EOF
[Unit]
Description=Apache Spark Slave
Documentation=https://spark.apache.org/docs/3.3.0
Wants=network-online.target
After=network-online.target
AssertFileNotEmpty=${SPARK_HOME}/etc/env
[Service]
User=spark
Type=forking
EnvironmentFile=${SPARK_HOME}/etc/env
WorkingDirectory={{SPARK_HOME}}/sbin
ExecStartPre=/bin/bash -c "if [ -z \"\${PYSPARK_PYTHON}\" ]; then echo \"Variable PYSPARK_PYTHON not set in ${SPARK_HOME}/etc/env\"; exit 1; fi"
ExecStartPre=/bin/bash -c "if [ -z \"\${SPARK_HOME}\" ]; then echo \"Variable SPARK_HOME not set in ${SPARK_HOME}/etc/env\"; exit 1; fi"
ExecStartPre=/bin/bash -c "if [ -z \"\${JAVA_HOME}\" ]; then echo \"Variable JAVA_HOME not set in ${SPARK_HOME}/etc/env\"; exit 1; fi"
ExecStartPost=/bin/bash -c "echo \$MAINPID > ${SPARK_HOME}/etc/spark-slave.pid"
ExecStart={{SPARK_HOME}}/sbin/start-slave.sh spark://10.20.22.10:7077
ExecStop={{SPARK_HOME}}/sbin/stop-slave.sh
Restart=on-failure
RestartSec=10s
[Install]
WantedBy=multi-user.target
EOF