1 files changed, 144 insertions, 0 deletions
diff --git a/rgmanager/src/resources/drbd.sh.in b/rgmanager/src/resources/drbd.sh.in
new file mode 100644
index 0000000..febe658
--- /dev/null
+++ b/rgmanager/src/resources/drbd.sh.in
@@ -0,0 +1,144 @@
+#!@BASH_SHELL@
+#
+#  Copyright LINBIT, 2008
+#
+#  This program is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by the
+#  Free Software Foundation; either version 2, or (at your option) any
+#  later version.
+#
+#  This program is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; see the file COPYING.  If not, write to the
+#  Free Software Foundation, Inc.,  675 Mass Ave, Cambridge, 
+#  MA 02139, USA.
+#
+
+#
+# DRBD resource management using the drbdadm utility.
+#
+
+LC_ALL=C
+LANG=C
+PATH=/bin:/sbin:/usr/bin:/usr/sbin
+export LC_ALL LANG PATH
+
+. $(dirname $0)/ocf-shellfuncs
+
+drbd_verify_all()
+{
+    # Do we have the drbdadm utility?
+    if ! which drbdadm >/dev/null 2>&1 ; then
+	ocf_log error "drbdadm not installed, not found in PATH ($PATH), or not executable."
+	return $OCF_ERR_INSTALLED
+    fi
+
+    # Is drbd loaded?
+    if ! grep drbd /proc/modules >/dev/null 2>&1; then
+	ocf_log error "drbd not found in /proc/modules. Do you need to modprobe?"
+	return $OCF_ERR_INSTALLED
+    fi
+
+    # Do we have the "resource" parameter?
+    if [ -n "$OCF_RESKEY_resource" ]; then
+
+      # Can drbdadm parse the resource name?
+      if ! drbdadm sh-dev $OCF_RESKEY_resource >/dev/null 2>&1; then
+  	ocf_log error "DRBD resource \"$OCF_RESKEY_resource\" not found." 
+  	return $OCF_ERR_CONFIGURED
+      fi
+
+      # Is the backing device a locally available block device?
+      backing_dev=$(drbdadm sh-ll-dev $OCF_RESKEY_resource)
+      if [ ! -b $backing_dev ]; then
+  	ocf_log error "Backing device for DRBD resource \"$OCF_RESKEY_resource\" ($backing_dev) not found or not a block device."
+  	return $OCF_ERR_INSTALLED
+      fi
+
+    fi
+
+    return 0
+}
+
+drbd_status() {
+    role=$(drbdadm role $OCF_RESKEY_resource)
+    case $role in
+	Primary/*)
+	    return $OCF_SUCCESS
+	    ;;
+	Secondary/*)
+	    return $OCF_NOT_RUNNING
+	    ;;
+
+    esac
+    return $OCF_ERR_GENERIC
+}
+
+drbd_promote() {
+    drbdadm primary $OCF_RESKEY_resource || return $?
+}
+
+drbd_demote() {
+    drbdadm secondary $OCF_RESKEY_resource || return $?
+}
+
+
+if [ -z "$OCF_CHECK_LEVEL" ]; then
+	OCF_CHECK_LEVEL=0
+fi
+
+# This one doesn't need to pass the verify check
+case $1 in
+    meta-data)
+	cat `echo $0 | sed 's/^\(.*\)\.sh$/\1.metadata/'` && exit 0
+	exit $OCF_ERR_GENERIC
+	;;
+esac
+
+# Everything else does
+drbd_verify_all || exit $?
+case $1 in
+    start)
+	if drbd_status; then
+	    ocf_log debug "DRBD resource ${OCF_RESKEY_resource} already configured"
+	    exit 0
+	fi
+	drbd_promote 
+	if [ $? -ne 0 ]; then
+	    exit $OCF_ERR_GENERIC
+	fi
+	
+	exit $?
+	;;
+    stop)
+	if drbd_status; then
+	    drbd_demote
+	    if [ $? -ne 0 ]; then
+		exit $OCF_ERR_GENERIC
+	    fi
+	else
+	    ocf_log debug "DRBD resource ${OCF_RESKEY_resource} is not configured"
+	fi
+	exit 0
+	;;
+    status|monitor)
+	drbd_status
+	exit $?
+	;;
+    restart)
+	$0 stop || exit $OCF_ERR_GENERIC
+	$0 start || exit $OCF_ERR_GENERIC
+	exit 0
+	;;
+    verify-all)
+    	exit 0
+    	;;
+    *)
+	echo "usage: $0 {start|stop|status|monitor|restart|meta-data|verify-all}"
+	exit $OCF_ERR_GENERIC
+	;;
+esac