summaryrefslogtreecommitdiffstats
path: root/sca-cpp/trunk/components/sqldb/pgsql-conf
blob: 482048a295c58adbc0c0bcbf602e96e87edd694c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
#!/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
    ip="*"
    port="5432"
else
    ip=`$here/../../modules/http/httpd-addr ip $addr`
    if [ "$ip" = "" ]; then
        ip="*"
    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`

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
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 = '$ip'
port = $port

# Setup archival
archive_mode = on
archive_command = '$here/pgsql-archive $root localhost $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 localhost -p $port 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 localhost $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=localhost dbname=db

[pgbouncer]
pool_mode = session
listen_port = $bport
listen_addr = $ip
auth_type = trust
auth_file=$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