create_snapshot_openbis_repos.sh

#! /bin/bash

# Create a snapshot of an openBIS repository
# 2009, Bernd Rinn, CISD

# resolve links - $0 may be a softlink
PRG="$0"

while [ -h "$PRG" ] ; do
  ls=`ls -ld "$PRG"`
  link=`expr "$ls" : '.*-> \(.*\)$'`
  if expr "$link" : '/.*' > /dev/null; then
    PRG="$link"
  else
    PRG=`dirname "$PRG"`/"$link"
  fi
done
 
PRGDIR=`dirname "$PRG"`
source ${PRGDIR}/repos.conf
if [ -z "$BASE_DIR" -o -z "$DB_NAME" ]; then
  echo "No BASE_DIR or DB_NAME set, check repos.conf"
  exit 1
fi

TAG="$1"
if [ "$TAG" = "" ]; then
  echo "Syntax: ${0##*/} <TAG>"
  exit 1
fi

DATE=`date +%Y-%m-%d_%H:%M:%S`
NAME="openbis_snapshot_${TAG}_${DATE}"
TMPROOT="`mktemp -d -p ~/tmp`"
TMPDIR="$TMPROOT/$NAME"
mkdir "$TMPDIR"

# Shutdown servers
$BASE_DIR/openBIS-server/jetty/bin/shutdown.sh
$BASE_DIR/datastore_server/datastore_server.sh stop

# Prepare snaphot
gtar cf "$TMPDIR/datastore.tar" -C $BASE_DIR/datastore_server/data store
if [ $? -ne 0 ]; then
  echo "Error tarring data store! (No snapshot created)"
  rm -fR "$TMPROOT"
  exit 1
fi
#pg_dump -U postgres -O -d $DB_NAME > "$TMPDIR/database.sql"
pg_dump -U postgres -O $DB_NAME > "$TMPDIR/database.sql"
if [ $? -ne 0 ]; then
  echo "Error dumping database! (No snapshot created)"
  rm -fR "$TMPROOT"
  exit 1
fi
gtar cf "$TMPDIR/lucene_indices.tar" -C $BASE_DIR/openBIS-server/jetty indices
if [ $? -ne 0 ]; then
  echo "Error tarring lucene indices! (No snapshot created)"
  rm -fR "$TMPROOT"
  exit 1
fi

# Startup servers
$BASE_DIR/openBIS-server/jetty/bin/startup.sh
$BASE_DIR/datastore_server/datastore_server.sh start

# Package snapshot
gtar cf - -C "$TMPROOT" "$NAME" | bzip2 -c > "$NAME.tar.bz2"
if [ $? -ne 0 ]; then
  echo "Error tarring snapshot! (No snapshot created)"
  rm -fR "$TMPROOT"
  rm -f "$NAME.tar.bz2"
  exit 1
fi

# Clean up
rm -fR "$TMPROOT"