def getVmTypes(self, req):
ca = CloudAdmin()
r = ""
for type in ca.getInstanceTypeSize():
r += """{"name" : "%s" , "cpus" : "%s" , "memory" : "%s" , "disc" : "%s"},""" % (
type[1], type[2], type[3], type[4])
return atmo_util.jsoner("\"success\"", "\"\"", "[" + r[:-1] + "]")
def convertMachineTypeStringToNum(self, machine_type):
ca = CloudAdmin()
machine_types = ca.getInstanceTypeSize()
return_value = None
for mt in machine_types:
if machine_type == mt[1]:
return_value = {"cpu": mt[2], "mem": mt[3]}
return return_value
def checkEc2ResourceQuota(self,
newly_requested_cpu=0,
newly_requested_mem=0): # return true / false
# get user quota / no quota info means no quota (unlimited use)
p = User_resource_quotas.objects.filter(userid=self.userid)
if p.count() == 0:
cpu_limit = mem_limit = -1
else:
cpu_limit = p[0].cpu
mem_limit = p[0].memory
# get current instances and total resource uses / sum all cpus and all mem
if (cpu_limit != -1) and (mem_limit != -1):
ca = CloudAdmin()
machine_types = ca.getInstanceTypeSize()
euca_conn = self.euca.make_connection()
try:
reservations = euca_conn.get_all_instances()
except Exception, ex:
euca.disaply_error_and_exit('%s' % ex)
# reservation
current_cpu_use = current_mem_use = 0
for reservation in reservations:
for instance in reservation.instances:
for mt in machine_types:
if instance.instance_type == mt[1]:
current_cpu_use += int(mt[2])
current_mem_use += int(mt[3])
if (cpu_limit >= current_cpu_use + newly_requested_cpu) and (
mem_limit >= current_mem_use + newly_requested_mem):
quotaAvailability = {"result": "available"}
else:
quotaAvailability = {
"result": "unavailable",
"current_cpu": current_cpu_use,
"current_mem": current_mem_use,
"limit_cpu": cpu_limit,
"limit_mem": mem_limit
}
