2018-03-21 20:53:39 +00:00
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#!/usr/bin/env bash
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2020-04-14 17:00:36 +00:00
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source /scripts/env-data.sh
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2018-03-21 20:53:39 +00:00
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2019-02-01 14:16:59 +00:00
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SETUP_LOCKFILE="${ROOT_CONF}/.postgresql.conf.lock"
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if [ -f "${SETUP_LOCKFILE}" ]; then
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return 0
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fi
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2020-01-25 15:06:05 +00:00
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list=(`echo ${POSTGRES_DBNAME} | tr ',' ' '`)
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arr=(${list})
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SINGLE_DB=${arr[0]}
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2018-03-21 20:53:39 +00:00
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# This script will setup necessary configuration to enable replications
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# Refresh configuration in case environment settings changed.
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cat $CONF.template > $CONF
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2020-04-08 08:15:45 +00:00
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# Reflect DATADIR loaction
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# Delete any data_dir declarations
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sed -i '/data_directory/d' $CONF
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echo "data_directory = '${DATADIR}'" >> $CONF
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2019-01-25 12:57:23 +00:00
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# This script will setup necessary configuration to optimise for PostGIS and to enable replications
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2018-03-21 20:53:39 +00:00
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cat >> $CONF <<EOF
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2020-02-12 09:34:49 +00:00
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archive_mode = ${ARCHIVE_MODE}
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archive_command = '${ARCHIVE_COMMAND}'
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restore_command = '${RESTORE_COMMAND}'
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archive_cleanup_command = '${ARCHIVE_CLEANUP_COMMAND}'
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wal_level = ${WAL_LEVEL}
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2019-02-20 10:28:14 +00:00
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max_wal_senders = ${PG_MAX_WAL_SENDERS}
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wal_keep_segments = ${PG_WAL_KEEP_SEGMENTS}
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superuser_reserved_connections= 10
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2020-02-12 09:34:49 +00:00
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min_wal_size = ${MIN_WAL_SIZE}
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max_wal_size = ${WAL_SIZE}
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2018-03-21 20:53:39 +00:00
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hot_standby = on
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2019-01-25 12:57:23 +00:00
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listen_addresses = '${IP_LIST}'
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shared_buffers = 500MB
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work_mem = 16MB
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2019-09-06 11:47:42 +00:00
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maintenance_work_mem = ${MAINTAINANCE_WORK_MEM}
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2019-01-25 12:57:23 +00:00
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wal_buffers = 1MB
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random_page_cost = 2.0
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xmloption = 'document'
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2019-08-23 13:43:58 +00:00
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max_parallel_maintenance_workers = ${MAINTAINANCE_WORKERS}
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max_parallel_workers = ${MAX_WORKERS}
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checkpoint_timeout = ${CHECK_POINT_TIMEOUT}
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2019-11-25 12:47:29 +00:00
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primary_conninfo = 'host=${REPLICATE_FROM} port=${REPLICATE_PORT} user=${REPLICATION_USER} password=${REPLICATION_PASS} sslmode=${PGSSLMODE}'
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recovery_target_timeline=${TARGET_TIMELINE}
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recovery_target_action=${TARGET_ACTION}
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promote_trigger_file = '${PROMOTE_FILE}'
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2020-04-14 17:00:36 +00:00
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shared_preload_libraries = '${SHARED_PRELOAD_LIBRARIES}'
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2020-01-25 15:06:05 +00:00
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cron.database_name = '${SINGLE_DB}'
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2020-05-01 05:33:49 +00:00
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password_encryption= '${PASSWORD_AUTHENTICATION}'
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2020-06-14 16:22:13 +00:00
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timezone='${TIMEZONE}'
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2018-03-21 20:53:39 +00:00
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EOF
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2019-01-25 12:57:23 +00:00
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2019-11-25 12:47:29 +00:00
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2019-10-25 12:43:15 +00:00
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echo -e $EXTRA_CONF >> $CONF
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2019-01-25 12:57:23 +00:00
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# Optimise PostgreSQL shared memory for PostGIS
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# shmall units are pages and shmmax units are bytes(?) equivalent to the desired shared_buffer size set in setup_conf.sh - in this case 500MB
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echo "kernel.shmmax=543252480" >> /etc/sysctl.conf
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echo "kernel.shmall=2097152" >> /etc/sysctl.conf
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2019-02-01 14:16:59 +00:00
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# Put lock file to make sure conf was not reinitialized
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touch ${SETUP_LOCKFILE}
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