system sh/stop_dnodes.sh
system sh/deploy.sh -n dnode1 -i 1
system sh/deploy.sh -n dnode2 -i 2
system sh/deploy.sh -n dnode3 -i 3
system sh/deploy.sh -n dnode4 -i 4

system sh/cfg.sh -n dnode1 -c supportVnodes -v 0

system sh/exec.sh -n dnode1 -s start
system sh/exec.sh -n dnode2 -s start
system sh/exec.sh -n dnode3 -s start
system sh/exec.sh -n dnode4 -s start

sql connect
sql create dnode $hostname port 7200
sql create dnode $hostname port 7300
sql create dnode $hostname port 7400

$x = 0
step1:
	$x = $x + 1
	sleep 1000
	if $x == 10 then
	  print ====> dnode not ready!
		return -1
	endi
sql select * from information_schema.ins_dnodes
print ===> $data00 $data01 $data02 $data03 $data04 $data05
print ===> $data10 $data11 $data12 $data13 $data14 $data15
print ===> $data20 $data21 $data22 $data23 $data24 $data25
print ===> $data30 $data31 $data32 $data33 $data34 $data35
if $rows != 4 then
  return -1
endi
if $data(1)[4] != ready then
  goto step1
endi
if $data(2)[4] != ready then
  goto step1
endi
if $data(3)[4] != ready then
  goto step1
endi
if $data(4)[4] != ready then
  goto step1
endi

$vgroups = 1
$replica = 1

print ============= create database
sql create database db1 replica $replica vgroups $vgroups

$loop_cnt = 0
check_db_ready:
$loop_cnt = $loop_cnt + 1
sleep 200
if $loop_cnt == 100 then
  print ====> db1 not ready!
	return -1
endi
sql select * from information_schema.ins_databases
print ===> rows: $rows
print $data(db1)[0] $data(db)[1] $data(db)[2] $data(db)[3] $data(db)[4] $data(db)[5] $data(db)[6] $data(db)[7] $data(db)[8] $data(db)[9] $data(db)[10] $data(db)[11] $data(db)[12]
print $data(db)[13] $data(db)[14] $data(db)[15] $data(db)[16] $data(db)[17] $data(db)[18] $data(db)[19] $data(db)[20]
if $rows != 3 then
  return -1
endi
if $data(db1)[15] != ready then
  goto check_db_ready
endi

sql use db1

$loop_cnt = 0
check_vg_ready:
$loop_cnt = $loop_cnt + 1
sleep 200
if $loop_cnt == 300 then
  print ====> vgroups not ready!
	return -1
endi
sql show vgroups
print ===> rows: $rows
print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
if $rows != $vgroups then
  return -1
endi
if $data[0][4] == leader then
   print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
   goto vg_ready
elif $data[0][6] == leader then
   print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
   goto vg_ready
elif $data[0][8] == leader then
   print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
   goto vg_ready
else
   goto check_vg_ready
endi

vg_ready:
print ====>  create stable/child table
sql create table stb (ts timestamp, c1 int, c2 float, c3 binary(10)) tags (t1 int)

sql show stables
if $rows != 1 then 
  return -1
endi


$ctbPrefix = ctb
$ntbPrefix = ntb
$tbNum    = 10
$i = 0
while $i < $tbNum
  $ctb = $ctbPrefix . $i
  sql create table $ctb using stb tags( $i )
  $ntb = $ntbPrefix . $i
  sql create table $ntb (ts timestamp, c1 int, c2 float, c3 binary(10))
  $i = $i + 1
endw

$totalTblNum = $tbNum * 2
sleep 1000
sql show tables
print ====> expect $totalTblNum and infinsert $rows  in fact 
if $rows != $totalTblNum then 
  return -1
endi

start_switch_leader:

$switch_loop_cnt = 0
switch_leader_to_offine_loop:

print ====> finde vnode of leader, and stop the dnode where the vnode is located, and query stb/ntb count(*)
sql show vgroups
print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
if $data[0][4] == leader then
  $dnodeId = $data[0][3]
elif $data[0][6] == leader then
  $dnodeId = $data[0][5]
elif $data[0][8] == leader then
  $dnodeId = $data[0][7]
else 
   print ====> no leader vnode!!!
  return -1 
endi

$dnodeId = dnode . $dnodeId
print ====> stop $dnodeId
system sh/exec.sh -n $dnodeId -s stop -x SIGINT
#print ====> start $dnodeId
#system sh/exec.sh -n $dnodeId -s start

$loop_cnt = 0
check_vg_ready_2:
$loop_cnt = $loop_cnt + 1
sleep 200
if $loop_cnt == 300 then
  print ====> vgroups switch fail!!!
	return -1
endi
sql show vgroups
print ===> rows: $rows
print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
if $rows != $vgroups then
  return -1
endi

if $data[0][4] == offline then
  print ---- vgroup $dnodeId leader switch to offline
  goto vg_offline_1
elif $data[0][6] == offline then
  print ---- vgroup $dnodeId leader switch to offline
  goto vg_offline_1
elif $data[0][8] == offline then
  print ---- vgroup $dnodeId leader switch to offline
  goto vg_offline_1
else 
  goto check_vg_ready_2
endi   

vg_offline_1:

print ====> start $dnodeId
system sh/exec.sh -n $dnodeId -s start

$loop_cnt1= 0
check_vg1_ready:
$loop_cnt1 = $loop_cnt1 + 1
sleep 200
if $loop_cnt1 == 300 then
  print ====> vgroups not ready!
	return -1
endi
sql show vgroups
print ===> rows: $rows
print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
if $rows != $vgroups then
  return -1
endi
if $data[0][4] == leader then
   print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
   goto countinu_loop
elif $data[0][6] == leader then
   print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
   goto countinu_loop
elif $data[0][8] == leader then
   print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
   goto countinu_loop
else
   goto check_vg1_ready
endi

countinu_loop:

$switch_loop_cnt = $switch_loop_cnt + 1
print  $switch_loop_cnt
if $switch_loop_cnt < 4 then
  goto switch_leader_to_offine_loop
endi

stop_leader_to_offine_loop:

system sh/exec.sh -n dnode1 -s stop -x SIGINT
system sh/exec.sh -n dnode2 -s stop -x SIGINT
system sh/exec.sh -n dnode3 -s stop -x SIGINT
system sh/exec.sh -n dnode4 -s stop -x SIGINT