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git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1428192 13f79535-47bb-0310-9956-ffa450edef68
192 lines
4.7 KiB
Bash
Executable file
192 lines
4.7 KiB
Bash
Executable file
#!/bin/sh
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# Configure a postgresql hot standby server
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here=`echo "import os; print os.path.realpath('$0')" | python`; here=`dirname $here`
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mkdir -p $1
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root=`echo "import os; print os.path.realpath('$1')" | python`
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# Server address
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addr=$2
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if [ "$addr" = "" ]; then
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host="localhost"
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listen="*"
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port="5432"
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else
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host=`$here/../../modules/http/httpd-addr ip $addr`
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if [ "$host" = "" ]; then
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host="localhost"
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listen="*"
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else
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listen=$host
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fi
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port=`$here/../../modules/http/httpd-addr port $addr`
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fi
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bport=`expr $port + 1000`
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# Master server address
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if [ "$3" = "" ]; then
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mhost="localhost"
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mport="5432"
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mhttpport="80"
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else
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mhost="$3"
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mport="$4"
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mhttpport="$5"
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fi
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pgsql_prefix=`cat $here/pgsql.prefix`
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pgbouncer_prefix=`cat $here/pgbouncer.prefix`
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user=`id -un`
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mkdir -p $root/sqldb/data
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chmod 700 $root/sqldb/data
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mkdir -p $root/sqldb/archive
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mkdir -p $root/sqldb/backup
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if [ -f "$root/sqldb/log.conf" ]; then
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pgsql_log=`cat $root/sqldb/log.conf`
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else
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mkdir -p $root/logs
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pgsql_log="cat >>$root/logs/postgresql"
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fi
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mkdir -p $root/sqldb
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mkdir -p $root/sqldb/tmp
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echo $pgsql_log >$root/sqldb/logger
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# Initialize from a backup of the master
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if [ ! -f $root/sqldb/data/postgresql.conf ]; then
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uname=`uname -s`
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if [ $uname = "Darwin" ]; then
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tar=gnutar
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else
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tar=tar
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fi
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(curl -L -# http://$mhost:$mhttpport/pgsql-restore | $tar -C $root/sqldb -xz) 2>&1 | grep -v "100.0%" | sh $root/sqldb/logger
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mkdir -p $root/sqldb/data/pg_xlog/archive_status
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chmod 700 $root/sqldb/data/pg_xlog/archive_status
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fi
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# Generate server configuration
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cp $root/sqldb/data/postgresql-init.conf $root/sqldb/data/postgresql.conf
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cat >>$root/sqldb/data/postgresql.conf <<EOF
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# Generated by: pgsql-standby-conf $*
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# Setup logging
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log_min_messages = NOTICE
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log_min_error_statement = NOTICE
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log_min_duration_statement = -1
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log_checkpoints = on
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log_connections = off
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log_disconnections = off
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log_duration = off
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log_lock_waits = on
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log_statement = none
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# Listen
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listen_addresses = '$listen'
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port = $port
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unix_socket_directory = '$root/sqldb/tmp'
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# Setup archival
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archive_mode = on
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archive_command = '$here/pgsql-archive $root $host $bport %p %f'
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# Setup hot standby with streaming replication
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wal_level = hot_standby
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max_wal_senders = 5
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wal_keep_segments = 32
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# Enable hot standby
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hot_standby = on
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EOF
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# Generate recovery configuration
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cat >$root/sqldb/data/recovery.conf << EOF
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# Generated by: pgsql-standby-conf $*
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# Start in standby mode
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standby_mode = 'on'
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primary_conninfo = 'host=$mhost port=$mport user=standby application_name=$host:$port'
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# Failover
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trigger_file = '$root/sqldb/failover'
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restore_command = 'curl -L -# http://$mhost:$mhttpport/pgsql-archive/%f -o "%p" 2>&1 | grep -v "100.0%"'
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EOF
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# Generate database restore script
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mkdir -p $root/sqldb/scripts
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cat >$root/sqldb/scripts/restore <<EOF
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#!/bin/sh
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$here/pgsql-restore $root
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EOF
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chmod 700 $root/sqldb/scripts/restore
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# Configure HTTPD to serve backup and archive files
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if [ -f "$root/conf/httpd.conf" ]; then
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cat >>$root/conf/httpd.conf <<EOF
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# Generated by: pgsql-standby-conf $*
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# Serve PostgreSQL backup and WAL archive files
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ScriptAlias /pgsql-restore "$root/sqldb/scripts/restore"
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Alias /pgsql-archive "$root/sqldb/archive"
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EOF
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fi
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# Configure PgBouncer
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mkdir -p $root/logs
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id=`id -un`
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cat >$root/sqldb/data/pgbouncer.conf <<EOF
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[databases]
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db = host=$host port=$port dbname=db user=bouncer
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[pgbouncer]
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listen_addr = $listen
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listen_port = $bport
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unix_socket_dir =
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auth_type = trust
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auth_file=$root/sqldb/data/pgbouncer-auth.conf
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logfile = $root/logs/pgbouncer
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pidfile = $root/logs/pgbouncer.pid
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max_client_conn = 1000
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pool_mode = transaction
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server_reset_query =
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default_pool_size = 50
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min_pool_size = 5
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reserve_pool_size = 5
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log_connections = 0
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log_disconnections = 0
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stats_period = 3600
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admin_users = $id
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EOF
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cat >$root/sqldb/data/pgbouncer-auth.conf <<EOF
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"$id" "password"
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EOF
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