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wubloader/postgres/standby_setup.sh

25 lines
654 B
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#! /bin/bash
set -e
# if postgres database does not exist in $PGDATA
if [ ! -s "$PGDATA/PG_VERSION" ]; then
# get a binary backup of the database on $MASTER_NODE
pg_basebackup -d "host=$MASTER_NODE password=$REPLICATION_PASSWORD port=5432 user=$REPLICATION_USER" -D ${PGDATA} -vP
cat > ${PGDATA}/recovery.conf <<-EOF
standby_mode = on
primary_conninfo = 'host=$MASTER_NODE password=$REPLICATION_PASSWORD port=5432 user=$REPLICATION_USER'
# touch this file to promote this node to master
trigger_file = '/tmp/touch_to_promote_to_master'
EOF
chown postgres. ${PGDATA} -R
chmod 700 ${PGDATA} -R
fi
# start postgres
gosu postgres postgres