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|
# 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
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