def CreateVmByCheckingDatabase(self):
timeval = 5
vms = [
{ "vmid": 100, "groupid": 1, "vmsubid": 1, "ownerid": "1", "vmtype": "ubuntu",
"config_cpu": "1", "config_memory": "1024", "config_disk": "40", "config_lifetime": "192" },
{ "vmid": 101, "groupid": 2, "vmsubid": 1, "ownerid": "1", "vmtype": "apache",
"config_cpu": "2", "config_memory": "256", "config_disk": "20", "config_lifetime": "192" },
{ "vmid": 102, "groupid": 3, "vmsubid": 1, "ownerid": "1", "vmtype": "hadoop",
"config_cpu": "3", "config_memory": "2048", "config_disk": "80", "config_lifetime": "192" },
{ "vmid": 103, "groupid": 3, "vmsubid": 2, "ownerid": "1", "vmtype": "hadoop",
"config_cpu": "4", "config_memory": "2048", "config_disk": "80", "config_lifetime": "192" }
]
vmseq = [ vms[0], None, None, vms[1], None, vms[2], vms[3]] # every 5 secs
i = 0
print("start detect in 3 secs")
time.sleep(1)
print("start detect in 2 secs")
time.sleep(1)
print("start detect in 1 secs")
time.sleep(1)
while 1 :
if i < len(vmseq) :
vm = vmseq[i]
i = i + 1
if vm != None :
print("detect new vm create from user!")
dir(vm)
req = Message.CreateVmByRackReq( vmid=vm['vmid'], groupid=vm['groupid'], vmsubid=vm['vmsubid'], ownerid=vm['ownerid'],
vmtype=vm['vmtype'], config_cpu=vm['config_cpu'], config_memory=vm['config_memory'],
config_disk=vm['config_disk'], config_lifetime=vm['config_lifetime'])
destRackAddress = ("140.112.28.240", 7001)
Client.sendonly_message( destRackAddress, req )
time.sleep(timeval)
return
db_host = "140.112.28.240"
db_name = "roystonea_2012"
db_user = "******"
db_password = "******"
timeval = 5
while 1:
con = mdb.connect(db_host, db_user, db_password, db_name)
cur = con.cursor(mdb.cursors.DictCursor)
cur.execute( 'SELECT * FROM vm WHERE vmstatus = "prepare_to_starts"a')
rows = cur.fetchall()
time.sleep(timeval)
def CheckPortmappingRequest(self):
if self.db:
query = "SELECT * FROM %s WHERE %s='adding' OR %s='deleting 'ORDER BY %s" %(self.config['portmapping'], self.config['portstatus'], self.config['hostport'])
while True:
self.db.query(query)
result = self.db.store_result()
data = result.fetch_row()[0]
while data:
port_mapping_msg = self.create_message(message.SubsystemPortMappingReq, (data))
addr = (self.host, self.config['subsystem_port'])
Client.send_message(addr, port_mapping_msg)
data = result.fetch_row()[0]
sleep(self.config['portmapping_interval'])
def CheckPortmappingRequest(self):
if self.db:
query = "SELECT * FROM %s WHERE %s='adding' OR %s='deleting 'ORDER BY %s" % (
self.config['portmapping'], self.config['portstatus'],
self.config['hostport'])
while True:
self.db.query(query)
result = self.db.store_result()
data = result.fetch_row()[0]
while data:
port_mapping_msg = self.create_message(
message.SubsystemPortMappingReq, (data))
addr = (self.host, self.config['subsystem_port'])
Client.send_message(addr, port_mapping_msg)
data = result.fetch_row()[0]
sleep(self.config['portmapping_interval'])
def databaseSubsystem(self):
try:
con = mdb.connect(self.db_host, self.db_account, self.db_password,
self.db_name)
while True:
cur = con.cursor(mdb.cursors.DictCursor)
cur.execute(
'SELECT * FROM vm WHERE state = "prepare_to_start"')
rows = cur.fetchall()
for row in rows:
try:
msg = Message.DatabaseSubsystemCreateVMreq(
vm_id=row['vm_id'],
group_num=row['group_num'],
vm_num=row['vm_num'],
vm_name=row['vm_name'],
owner=row['owner'],
type=row['type'],
cpu=row['cpu'],
mem=row['mem'],
disk=row['disk'],
)
# use %s to not change data type
###cur.execute( 'UPDATE vm SET state = "pending" WHERE vm_id = "%s"' %(row['vm_id']) )
# Cluster's address
address = 'roystonea01', 9500
Client.sendonly_message(address, msg)
except socket.error as e:
print 'socket error'
sleep(5)
sleep(5)
except mdb.Error, e:
print 'Error %d: %s' % (e.args[0], e.args[1])
sys.exit(1)
def databaseSubsystem(self):
try:
con = mdb.connect(self.db_host, self.db_account, self.db_password, self.db_name)
while True:
cur = con.cursor(mdb.cursors.DictCursor)
cur.execute('SELECT * FROM vm WHERE state = "prepare_to_start"')
rows = cur.fetchall()
for row in rows:
try:
msg = Message.DatabaseSubsystemCreateVMreq(
vm_id = row['vm_id'],
group_num = row['group_num'],
vm_num = row['vm_num'],
vm_name = row['vm_name'],
owner = row['owner'],
type = row['type'],
cpu = row['cpu'],
mem = row['mem'],
disk = row['disk'],
)
# use %s to not change data type
###cur.execute( 'UPDATE vm SET state = "pending" WHERE vm_id = "%s"' %(row['vm_id']) )
# Cluster's address
address = 'roystonea01', 9500
Client.sendonly_message(address, msg)
except socket.error as e:
print 'socket error'
sleep(5)
sleep(5)
except mdb.Error, e:
print 'Error %d: %s' %(e.args[0], e.args[1])
sys.exit(1)
def selectNodeByAlgorithm(self, vm):
selectNodeReq = Message.SelectNodeReq(vm)
selectNodeRes = Client.send( selectNodeReq, algorithm.address )
return selectNodeRes.node
def selectNodeByAlgorithm(self, vm):
selectNodeReq = Message.SelectNodeReq(vm)
selectNodeRes = Client.send(selectNodeReq, algorithm.address)
return selectNodeRes.node
def CreateVmByCheckingDatabase(self):
timeval = 5
vms = [{
"vmid": 100,
"groupid": 1,
"vmsubid": 1,
"ownerid": "1",
"vmtype": "ubuntu",
"config_cpu": "1",
"config_memory": "1024",
"config_disk": "40",
"config_lifetime": "192"
}, {
"vmid": 101,
"groupid": 2,
"vmsubid": 1,
"ownerid": "1",
"vmtype": "apache",
"config_cpu": "2",
"config_memory": "256",
"config_disk": "20",
"config_lifetime": "192"
}, {
"vmid": 102,
"groupid": 3,
"vmsubid": 1,
"ownerid": "1",
"vmtype": "hadoop",
"config_cpu": "3",
"config_memory": "2048",
"config_disk": "80",
"config_lifetime": "192"
}, {
"vmid": 103,
"groupid": 3,
"vmsubid": 2,
"ownerid": "1",
"vmtype": "hadoop",
"config_cpu": "4",
"config_memory": "2048",
"config_disk": "80",
"config_lifetime": "192"
}]
vmseq = [vms[0], None, None, vms[1], None, vms[2],
vms[3]] # every 5 secs
i = 0
print("start detect in 3 secs")
time.sleep(1)
print("start detect in 2 secs")
time.sleep(1)
print("start detect in 1 secs")
time.sleep(1)
while 1:
if i < len(vmseq):
vm = vmseq[i]
i = i + 1
if vm != None:
print("detect new vm create from user!")
dir(vm)
req = Message.CreateVmByRackReq(
vmid=vm['vmid'],
groupid=vm['groupid'],
vmsubid=vm['vmsubid'],
ownerid=vm['ownerid'],
vmtype=vm['vmtype'],
config_cpu=vm['config_cpu'],
config_memory=vm['config_memory'],
config_disk=vm['config_disk'],
config_lifetime=vm['config_lifetime'])
destRackAddress = ("140.112.28.240", 7001)
Client.sendonly_message(destRackAddress, req)
time.sleep(timeval)
return
db_host = "140.112.28.240"
db_name = "roystonea_2012"
db_user = "******"
db_password = "******"
timeval = 5
while 1:
con = mdb.connect(db_host, db_user, db_password, db_name)
cur = con.cursor(mdb.cursors.DictCursor)
cur.execute(
'SELECT * FROM vm WHERE vmstatus = "prepare_to_starts"a')
rows = cur.fetchall()
time.sleep(timeval)
