# linbit: drbd

CONFIG
	Agent drbd
	AgentRoot /usr/lib/ocf/resource.d/linbit
	InstallPackage drbd
        HangTimeout 20

VARIABLE
	DRBDCONF=${HA_RSCTMP}/ocft_drbd_tmp.conf

        # should be this machine's hostname/ip, please modify it by yourself.
	NAME_1=HOSTNAME1
	IP_1=IP_ADDRESS1

        # the block device just for test, please modify it by yourself.
	DISK_1=/dev/DEVICE1

	PORT_1=5735
	DEVICE_1=/dev/drbd0
 
        ####################################################################

        # please modify it by yourself.
	NAME_2=HOSTNAME2
	IP_2=IP_ADDRESS2

        # the block device just for test, please modify it by yourself.
	DISK_2=/dev/DEVICE2

	PORT_2=5735
	DEVICE_2=/dev/drbd0



SETUP-AGENT
	cat >$DRBDCONF <<EOF
	global {
	   usage-count no;
	}
	
	resource ocft0 {
	   protocol C;
	   disk {
	      on-io-error detach;
	   }
	   on $NAME_1 {
	      device    $DEVICE_1;
	      address   $IP_1:$PORT_1;
	      meta-disk internal;
	      disk      $DISK_1;
	   }
	   on $NAME_2 {
	      device    $DEVICE_2;
	      address   $IP_2:$PORT_2;
	      meta-disk internal;
	      disk      $DISK_2;
	   }
	}
EOF
	HOST=$(uname -n)
	DRBDADM="drbdadm -c $DRBDCONF"

	# prepare
	modprobe drbd $(drbdadm sh-mod-parms)
	$DRBDADM down ocft0

	# create meta data block if necessary
	$DRBDADM dump-md ocft0 >/dev/null 2>&1
	if [ $? -eq 255 ]; then
		$DRBDADM create-md ocft0
	fi

	# start drbd
	$DRBDADM up ocft0

	# UpToDate
	if [ "$HOST" = "$NAME_1" ]; then
		$DRBDADM wait-connect ocft0
		echo "drbd Syncing .."
		$DRBDADM primary --force ocft0
		while true; do
			CSTATE=$($DRBDADM cstate ocft0)
			DSTATE=$($DRBDADM dstate ocft0)
			if [ "$CSTATE" = "Connected" -a "$DSTATE" = "UpToDate/UpToDate" ]; then
				break
			else
				sleep 3
			fi
		done
		echo "done"
	fi

CLEANUP-AGENT
	drbdadm -c $DRBDCONF down ocft0
	rm -f $DRBDCONF

CASE-BLOCK required_args
	Env OCF_RESKEY_drbdconf=$DRBDCONF
	Env OCF_RESKEY_drbd_resource=ocft0
	Env OCF_RESKEY_CRM_meta_notify=true
	Env OCF_RESKEY_CRM_meta_clone_max=2

CASE-BLOCK default_status
	AgentRun stop

CASE-BLOCK prepare
	Include required_args
	Include default_status

CASE "check base env"
	Include required_args
	AgentRun validate-all OCF_SUCCESS

CASE "normal start"
	Include prepare
	AgentRun start OCF_SUCCESS

CASE "normal stop"
	Include prepare
	AgentRun start
	AgentRun stop OCF_SUCCESS

CASE "wrong path of config file"
	Include prepare
	Env OCF_RESKEY_drbdconf=no_such_file
	AgentRun start OCF_ERR_INSTALLED

CASE "wrong resource name"
	Include prepare
	Env OCF_RESKEY_drbd_resource=no_such_src
	# OCF_RESKEY_drbd_resource is a required parameter in agent meta-data, 
	# if wrong, I think the agent should return OCF_ERR_CONFIGURED.
	AgentRun start OCF_ERR_CONFIGURED

CASE "double start"
	Include prepare
	AgentRun start
	AgentRun start OCF_SUCCESS

CASE "double stop"
	Include prepare
	AgentRun stop OCF_SUCCESS

CASE "running monitor"
	Include prepare
	AgentRun start
	AgentRun monitor OCF_SUCCESS

CASE "not running monitor"
	Include prepare
	AgentRun monitor OCF_NOT_RUNNING

CASE "Primary/Secondary monitor"
	Include prepare
	AgentRun start
	AgentRun promote
	AgentRun monitor OCF_RUNNING_MASTER
	AgentRun demote
	AgentRun monitor OCF_SUCCESS

CASE "unimplemented command"
	Include prepare
	AgentRun no_cmd OCF_ERR_UNIMPLEMENTED

CASE "try to 'promote' in single-primary mode"
	Include prepare
	Include@$IP_2 prepare

        # start drbd 
	AgentRun start
	AgentRun@$IP_2 start

	# promote local drbd first
	AgentRun promote OCF_SUCCESS

        # demote local drbd prepare for remote drbd promote
	AgentRun demote
	# remote drbd promote
	AgentRun@$IP_2 promote OCF_SUCCESS

	# promote fails, because remote drbd promote first.
	AgentRun promote OCF_ERR_GENERIC