From c9bfccc35345ce58fb5774d4b0b6a9868b262c0a Mon Sep 17 00:00:00 2001
From: giorgio <giorgio@13f79535-47bb-0310-9956-ffa450edef68>
Date: Wed, 5 Sep 2012 08:31:30 +0000
Subject: git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1381061
 13f79535-47bb-0310-9956-ffa450edef68

---
 .../components/sqldb/pgsql-standby-conf            | 193 +++++++++++++++++++++
 1 file changed, 193 insertions(+)
 create mode 100755 sca-cpp/branches/lightweight-sca/components/sqldb/pgsql-standby-conf

(limited to 'sca-cpp/branches/lightweight-sca/components/sqldb/pgsql-standby-conf')

diff --git a/sca-cpp/branches/lightweight-sca/components/sqldb/pgsql-standby-conf b/sca-cpp/branches/lightweight-sca/components/sqldb/pgsql-standby-conf
new file mode 100755
index 0000000000..5f76b5b332
--- /dev/null
+++ b/sca-cpp/branches/lightweight-sca/components/sqldb/pgsql-standby-conf
@@ -0,0 +1,193 @@
+#!/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 hot standby 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`
+
+# Server address
+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`
+
+# Master server address
+if [ "$3" = "" ]; then
+    mhost="localhost"
+    mport="5432"
+    mhttpport="80"
+else
+    mhost="$3"
+    mport="$4"
+    mhttpport="$5"
+fi
+
+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 from a backup of the master
+if [ ! -f $root/sqldb/data/postgresql.conf ]; then
+    uname=`uname -s`
+    if [ $uname = "Darwin" ]; then
+        tar=gnutar
+    else
+        tar=tar
+    fi
+    (curl -L -# http://$mhost:$mhttpport/pgsql-restore | $tar -C $root/sqldb -xz) 2>&1 | grep -v "100.0%" | sh $root/sqldb/logger
+    mkdir -p $root/sqldb/data/pg_xlog/archive_status
+    chmod 700 $root/sqldb/data/pg_xlog/archive_status
+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-standby-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 $bport %p %f'
+
+# Setup hot standby with streaming replication
+wal_level = hot_standby
+max_wal_senders = 5
+wal_keep_segments = 32
+
+# Enable hot standby
+hot_standby = on
+
+EOF
+
+# Generate recovery configuration
+cat >$root/sqldb/data/recovery.conf << EOF
+# Generated by: pgsql-standby-conf $*
+
+# Start in standby mode
+standby_mode = 'on'
+primary_conninfo = 'host=$mhost port=$mport user=standby'
+
+# Failover
+trigger_file = '$root/sqldb/failover'
+
+restore_command = 'curl -L -# http://$mhost:$mhttpport/pgsql-archive/%f -o "%p" 2>&1 | grep -v "100.0%"'
+
+EOF
+
+# 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-standby-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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