def create_random_environment(no_hosts, no_vms):
print("Generating random environment with %s hosts, %s vms." %
(str(no_hosts), str(no_vms)))
environment = {}
vms = []
hypervisors = []
for i in range(no_hosts):
hypervisors.append({"id": "pm" + str(i),
"util": 0.0,
"cpu": 24,
"capacity": 2400,
"ram_capacity": 192000,
"ram_used": 0.0,
"active": True,
"consumption_idle": 150.0,
"consumption_max": 300.0,
"host_ip": ""})
for i in range(no_vms):
server_vcpus = math.pow(2, randint(0, 3))
server_util = randint(0, 100)
server_util_abs = server_util * server_vcpus
server_host = "pm" + str(randint(0, no_hosts - 1))
vms.append({"id": "vm" + str(i),
"util": server_util,
"host": server_host,
"vcpus": server_vcpus,
"ram": server_vcpus * 1024,
"util_abs": server_util_abs})
# print vms, hypervisors
host_mod.compute_pm_util(vms, hypervisors)
environment["vms"] = vms
environment["hosts"] = hypervisors
return environment
def parse_environment(input_file_path):
environment = {}
with open(input_file_path, "r") as f:
lines = f.readlines()
lines_array = []
# print lines
for line in lines:
if not line.startswith("#"):
if line.split():
lines_array.append(line.split())
# print lines_array
no_hypervisors = len(lines_array[0])
hypervisors = []
# setup hypervisors id, idle power consumption, max power consumption
for i in range(no_hypervisors):
hypervisors.append(
{
"id": "pm" +
str(i),
"consumption_max": float(
lines_array[0][i]),
"consumption_idle": float(
lines_array[1][i]) *
float(
lines_array[0][i]),
"capacity": float(
lines_array[4][i]),
"ram_capacity": float(
lines_array[5][i]),
"util": 0.0,
"ram_used": 0.0,
"power_consumption": 0.0,
"no_vms": 0,
"cpu": -
1,
"host_ip": ""})
# print hypervisors
no_vms = len(lines_array[2])
vms = []
for i in range(no_vms):
vms.append({"id": "vm" + str(i),
"util_abs": float(lines_array[2][i]),
"ram": float(lines_array[3][i]),
"host": ""})
pli = 8
for i in range(no_hypervisors):
for j in range(no_vms):
if int(lines_array[pli + i][j]) == 1:
tools_mod.search_dictionaries(
"id", "vm" + str(j), vms)[0]["host"] = "pm" + str(i)
# print vms
host_mod.compute_pm_util(vms, hypervisors)
environment["vms"] = vms
environment["hosts"] = hypervisors
return environment
def get_environment():
environment = {}
vms = vm_mod.get_vms()
hypervisors = host_mod.get_hypervisors()
host_mod.compute_pm_util(vms, hypervisors)
environment["vms"] = vms
environment["hosts"] = hypervisors
return environment