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#!/bin/sh
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# Configure a postgresql master server
here=`echo "import os; print os.path.realpath('$0')" | python`; here=`dirname $here`
mkdir -p $1
root=`echo "import os; print os.path.realpath('$1')" | python`
addr=$2
if [ "$addr" = "" ]; then
host="localhost"
listen="*"
port="5432"
else
host=`$here/../../modules/http/httpd-addr ip $addr`
if [ "$host" = "" ]; then
host="localhost"
listen="*"
else
listen=$host
fi
port=`$here/../../modules/http/httpd-addr port $addr`
fi
bport=`expr $port + 1000`
pgsql_prefix=`cat $here/pgsql.prefix`
pgbouncer_prefix=`cat $here/pgbouncer.prefix`
user=`id -un`
mkdir -p $root/sqldb/data
chmod 700 $root/sqldb/data
mkdir -p $root/sqldb/archive
mkdir -p $root/sqldb/backup
if [ -f "$root/sqldb/log.conf" ]; then
pgsql_log=`cat $root/sqldb/log.conf`
else
mkdir -p $root/logs
pgsql_log="cat >>$root/logs/postgresql"
fi
mkdir -p $root/sqldb
mkdir -p $root/sqldb/tmp
echo $pgsql_log >$root/sqldb/logger
# Initialize PostgreSQL
if [ ! -f $root/sqldb/data/postgresql.conf ]; then
$pgsql_prefix/bin/pg_ctl init -D $root/sqldb/data 2>&1 | sh $root/sqldb/logger
cp $root/sqldb/data/postgresql.conf $root/sqldb/data/postgresql-init.conf
cp $root/sqldb/data/pg_hba.conf $root/sqldb/data/pg_hba-init.conf
fi
# Generate server configuration
cp $root/sqldb/data/postgresql-init.conf $root/sqldb/data/postgresql.conf
cat >>$root/sqldb/data/postgresql.conf <<EOF
# Generated by: pgsql-conf $*
# Setup logging
log_min_messages = NOTICE
log_min_error_statement = NOTICE
log_min_duration_statement = -1
log_checkpoints = on
log_connections = off
log_disconnections = off
log_duration = off
log_lock_waits = on
log_statement = none
# Listen
listen_addresses = '$listen'
port = $port
unix_socket_directory = '$root/sqldb/tmp'
# Setup archival
archive_mode = on
archive_command = '$here/pgsql-archive $root $host $bport %p %f'
# Setup hot standby with streaming replication
wal_level = hot_standby
max_wal_senders = 5
wal_keep_segments = 32
EOF
# Generate client auth configuration
cp $root/sqldb/data/pg_hba-init.conf $root/sqldb/data/pg_hba.conf
cat >>$root/sqldb/data/pg_hba.conf <<EOF
# Generated by: pgsql-conf $*
# TYPE DATABASE USER CIDR-ADDRESS METHOD
host all all samenet trust
host replication all samenet trust
EOF
# Create the db if it's not created yet
nohup /bin/sh -c "($pgsql_prefix/bin/pg_ctl start -W -D $root/sqldb/data 2>&1 | sh $root/sqldb/logger)" 1>/dev/null 2>/dev/null &
sti=0
while [ $sti -ne 30 ]; do
st=`$pgsql_prefix/bin/pg_ctl status -D $root/sqldb/data | grep 'server is running'`
if [ "$st" != "" ]; then
break
fi
sleep 1
sti=$((sti+1))
done
$pgsql_prefix/bin/createdb -h $host -p $port db 2>&1 | sh $root/sqldb/logger
# Create default user roles
$pgsql_prefix/bin/psql -h $host -p $port -c "create role standby with login replication" db 2>&1 | sh $root/sqldb/logger
$pgsql_prefix/bin/psql -h $host -p $port -c "create role bouncer with login" db 2>&1 | sh $root/sqldb/logger
# Backup the db if there's no backup for it yet
baks=`ls $root/sqldb/archive | sort -r | grep "\.backup\.tar\.gz$"`
if [ "$baks" = "" ]; then
$here/pgsql-backup $root $host $port
fi
$pgsql_prefix/bin/pg_ctl stop -w -D $root/sqldb/data 2>&1 | sh $root/sqldb/logger
# Generate database restore script
mkdir -p $root/sqldb/scripts
cat >$root/sqldb/scripts/restore <<EOF
#!/bin/sh
$here/pgsql-restore $root
EOF
chmod 700 $root/sqldb/scripts/restore
# Configure HTTPD to serve backup and archive files
if [ -f "$root/conf/httpd.conf" ]; then
cat >>$root/conf/httpd.conf <<EOF
# Generated by: pgsql-conf $*
# Serve PostgreSQL backup and WAL archive files
ScriptAlias /pgsql-restore "$root/sqldb/scripts/restore"
Alias /pgsql-archive "$root/sqldb/archive"
EOF
fi
# Configure PgBouncer
mkdir -p $root/logs
id=`id -un`
cat >$root/sqldb/data/pgbouncer.conf <<EOF
[databases]
db = host=$host port=$port dbname=db user=bouncer
[pgbouncer]
pool_mode = session
listen_addr = $listen
listen_port = $bport
unix_socket_dir =
auth_type = trust
auth_file=$root/sqldb/data/pgbouncer-auth.conf
logfile = $root/logs/pgbouncer
pidfile = $root/logs/pgbouncer.pid
max_client_conn = 1000
pool_mode = transaction
server_reset_query =
default_pool_size = 500
min_pool_size = 5
reserve_pool_size = 50
log_connections = 0
log_disconnections = 0
stats_period = 3600
admin_users = $id
EOF
cat >$root/sqldb/data/pgbouncer-auth.conf <<EOF
"$id" "password"
EOF
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