def createInstance(self):
try:
if Environment.checkOrSet() == False:
self.result = False
logging.error("Failed to set environment credential")
else:
nr_available_vcpus = utils.get_nr_available_vcpus()
if nr_available_vcpus < cvl_config.VM_CPU[self.cpu]:
message = "Required CPU " + cvl_config.VM_CPU[self.cpu] + " exceedes quota available CPU " + nr_available_vcpus
logging.error(message)
return False
imageId = cvl_config.VM_IMAGE_ID[int(self.driver)]
show = "nova boot " + "--flavor " + str(self.cpu) + " --image " + imageId + " --key_name " + cvl_config.VM_KEY_NAME + " --security_groups " + cvl_config.VM_SECURITY_GROUP + " \"" + self.serverName + "\""
command = MultiOutputCommand(show)
if command.run() == False:
self.result = False
logging.error("Failed to run command")
else:
output = command.getOutput()
logging.debug('Output of nova boot command: ' + output)
for data in output:
dataList = data.split(":")
if dataList.__len__() > 0:
if dataList[0].strip() == "ERROR":
logging.error("Failed to launch an instance")
self.result = False
except:
self.result = False
logging.error("Exception: " + traceback.format_exc())
finally:
logging.debug('Returning:', self.result)
return self.result
def run(self):
# open('/tmp/debug.txt', 'w').write(str(self.action) + '\n'); return True
try:
assert Environment.checkOrSet()
if self.action == enums.Action.CreateServer:
self.result = self.CreateServer()
elif self.action == enums.Action.JoinServer:
self.result = self.JoinServer()
elif self.action == enums.Action.DeleteServer:
self.result = self.DeleteServer()
elif self.action == enums.Action.ChangePassword:
self.result = self.ChangePassword()
elif self.action == enums.Action.CreateVmUserAccount:
self.result = self.CreateVmUserAccount()
elif self.action == enums.Action.DeleteVmUserAccount:
logging.debug("Delete VM user account")
self.result = self.DeleteVmUserAccount()
elif self.action == enums.Action.TerminateServer:
logging.debug("Terminate VM instance")
self.result = self.TerminateServer()
elif self.action == enums.Action.AddServer:
logging.debug("AddServer")
self.result = self.AddServer()
else:
logging.error("Unsupported action: " + self.action)
return False
except:
logging.error("Exeption: " + traceback.format_exc())
finally:
return self.result
#!/usr/bin/python
from CvlEnvironment import Environment
import sys, traceback
import logging
import utils
import cvl_config
if len(sys.argv) < 2:
logging.error("Missing argument: number of requested CPUs")
sys.exit(1)
numberCpu = sys.argv[1]
try:
if Environment.checkOrSet() == False:
logging.error("Failed to set environment credential")
sys.exit(1)
else:
availableCpu = utils.get_nr_available_vcpus()
logging.debug("numberCpu index: " + str(numberCpu) + " number cpu: " + str(cvl_config.VM_CPU[int(numberCpu)]) + " available CPU: " + str(availableCpu));
if availableCpu <= cvl_config.QUOTA_THRESHOLD:
utils.send_email(cvl_config.CVL_HELP_EMAIL,
"CVL project resource warning",
"Warning: there are only " + str(availableCpu) + " CPUs available in the %s tenancy." % (utils.nova_client().project_id,))
if availableCpu < cvl_config.VM_CPU[int(numberCpu)]:
message = "Resources for " + str(cvl_config.VM_CPU[int(numberCpu)]) + " CPUs are not available"
print message
logging.error(message)
print "OK"