1 files changed, 79 insertions, 0 deletions
diff --git a/sca-cpp/branches/lightweight-sca/components/sqldb/pgsql-backup b/sca-cpp/branches/lightweight-sca/components/sqldb/pgsql-backup
new file mode 100755
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+++ b/sca-cpp/branches/lightweight-sca/components/sqldb/pgsql-backup
@@ -0,0 +1,79 @@
+#!/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.
+
+# Backup postgresql data directory
+here=`echo "import os; print os.path.realpath('$0')" | python`; here=`dirname $here`
+root=`echo "import os; print os.path.realpath('$1')" | python`
+
+if [ "$2" = "" ]; then
+    host="localhost"
+    port="6432"
+else
+    host="$2"
+    port="$3"
+fi
+
+pgsql_prefix=`cat $here/pgsql.prefix`
+
+if [ -f "$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
+
+mkdir -p $root/sqldb/backup
+mkdir -p $root/sqldb/archive
+
+# Make sure that only one backup is in progress at a time
+if [ -f $root/sqldb/backup/inprogress ]; then
+    exit 0
+fi
+touch $root/sqldb/backup/inprogress
+
+# Backup
+stamp=`date +%Y%m%d%H%M%S`
+$pgsql_prefix/bin/psql -h $host -p $port -c "SELECT pg_start_backup('$stamp', true)" db 2>&1 | sh $root/sqldb/logger
+
+uname=`uname -s`
+if [ $uname = "Darwin" ]; then
+    tar=gnutar
+else
+    tar=tar
+fi
+$tar -C $root/sqldb --exclude data/postmaster.pid --exclude data/postmaster.opts --exclude data/pg_xlog --ignore-failed-read -czf $root/sqldb/backup/$stamp.backup.tar.gz data
+rc=$?
+if [ "$rc" = "0" ]; then
+    mv $root/sqldb/backup/$stamp.backup.tar.gz $root/sqldb/archive/$stamp.backup.tar.gz
+fi
+
+$pgsql_prefix/bin/psql -h $host -p $port -c "SELECT pg_stop_backup()" db 2>&1 | sh $root/sqldb/logger
+
+if [ "$rc" != "0" ]; then
+    rm -f $root/sqldb/backup/inprogress
+    exit $rc
+fi
+
+# Clean obsolete backup and WAL files
+$here/pgsql-clean-archive $root
+
+rm -f $root/sqldb/backup/inprogress
+