def run(self):
def _print_error(msg):
print "! " + msg
# Load scheduler tree from yaml file
content = open(self.file, 'r').read()
tree_config = yaml.load(content)
Universe.get_tree().load_schedulers(tree_config, _print_error)
def run(self):
self.setup_schedulers()
# pprint(self.tree_config)
def _print_error(msg):
print "! " + msg
Universe.get_tree().load_schedulers(self.tree_config, _print_error)
def run(self):
def _print_error(msg):
print "! " + msg
# Load scheduler tree from yaml file
content = open(self.file, 'r').read()
tree_config = yaml.load(content)
Universe.get_tree().load_schedulers(tree_config, _print_error)
def run(self):
self.setup_schedulers()
# pprint(self.tree_config)
def _print_error(msg):
print "! " + msg
Universe.get_tree().load_schedulers(self.tree_config, _print_error)
def check_placement(results):
for request, response in results:
request = request.place_request
resource = request.resource
request_constraints = resource.vm.resource_constraints
if request_constraints:
host = Universe.get_tree().get_scheduler(response.agent_id)
nw_constraints = [
c.values[0] for c in host.constraints
if c.type == RCType.NETWORK
]
ds_constraints = [
c.values[0] for c in host.constraints
if c.type == RCType.DATASTORE
]
for constraint in request_constraints:
if constraint.type == RCType.NETWORK:
if constraint.values[0] not in nw_constraints:
raise ConstraintError(resource.vm.id,
constraint.values[0],
host.id)
if constraint.type == RCType.DATASTORE:
if constraint.values[0] not in ds_constraints:
raise ConstraintError(resource.vm.id,
constraint.values[0],
host.id)
def get_child_objects(self):
from psim.universe import Universe
schedulers = Universe.get_tree().schedulers
for cid in self._child_ids:
if cid not in schedulers:
raise ConfigError("Child '%d' of scheduler '%d' not found" %
(cid, self.id))
self.adopt_child(schedulers[cid])
def get_child_objects(self):
from psim.universe import Universe
schedulers = Universe.get_tree().schedulers
for cid in self._child_ids:
if cid not in schedulers:
raise ConfigError("Child '%d' of scheduler '%d' not found"
% (cid, self.id))
self.adopt_child(schedulers[cid])
def place(self, request):
try:
response = Universe.get_tree().root_scheduler.place(request)
sys.stdout.write('.')
return response
except Exception, e:
self._logger.error(e)
traceback.print_exc(file=sys.stdout)
sys.stdout.write('F')
return None
def place(self, request):
try:
response = Universe.get_tree().root_scheduler.place(request)
sys.stdout.write('.')
return response
except Exception, e:
self._logger.error(e)
traceback.print_exc(file=sys.stdout)
sys.stdout.write('F')
return None
def tabulate_hosts():
hosts = [h
for h in Universe.get_tree().schedulers.values()
if isinstance(h, Host)]
rows = []
for h in hosts:
rows.append(h.get_info())
header = ["Host Id", "VM Count", "Mem", "Used Mem", "Mem. Consumed",
"Disk", "Used Disk", "Constraints"]
return tabulate(rows, headers=header, tablefmt="rst")
def run(self):
if not Universe.get_tree().root_scheduler:
raise PreconditionError("Root scheduler is not configured." +
"Please run load_tree first.")
self.register_services()
requests = Requests(self.requests_file)
create_queue = {}
results = []
reserve_failures = []
create_failures = []
sys.stdout.write('Running')
for index, request in enumerate(requests.requests):
self._logger.info("Req #%d: %s", index + 1, request.place_request)
response = self.place(request.place_request)
if response:
results.append((request, response))
# Generate the "iteration" when this place will be created.
create_index = min(len(requests.requests) - 1,
self.create_interval + index)
if create_index not in create_queue:
create_queue[create_index] = collections.deque()
create_queue[create_index].appendleft((request, response))
# If there are requests to create for this iteration, do so.
if index in create_queue:
queue = create_queue[index]
while queue:
request, response = queue.pop()
if response.result == PlaceResultCode.OK:
agent = Universe.get_tree().get_scheduler(
response.agent_id)
self.reserve_and_create(request, agent,
response,
reserve_failures,
create_failures)
create_queue.pop(index)
assert len(create_queue) == 0
Universe.results = Results(results, reserve_failures, create_failures)
print "Done"
def run(self):
if not Universe.get_tree().root_scheduler:
raise PreconditionError("Root scheduler is not configured." +
"Please run load_tree first.")
self.register_services()
requests = Requests(self.requests_file)
create_queue = {}
results = []
reserve_failures = []
create_failures = []
sys.stdout.write('Running')
for index, request in enumerate(requests.requests):
self._logger.info("Req #%d: %s", index + 1, request.place_request)
response = self.place(request.place_request)
if response:
results.append((request, response))
# Generate the "iteration" when this place will be created.
create_index = min(
len(requests.requests) - 1, self.create_interval + index)
if create_index not in create_queue:
create_queue[create_index] = collections.deque()
create_queue[create_index].appendleft((request, response))
# If there are requests to create for this iteration, do so.
if index in create_queue:
queue = create_queue[index]
while queue:
request, response = queue.pop()
if response.result == PlaceResultCode.OK:
agent = Universe.get_tree().get_scheduler(
response.agent_id)
self.reserve_and_create(request, agent, response,
reserve_failures,
create_failures)
create_queue.pop(index)
assert len(create_queue) == 0
Universe.results = Results(results, reserve_failures, create_failures)
print "Done"
def tabulate_hosts():
hosts = [
h for h in Universe.get_tree().schedulers.values()
if isinstance(h, Host)
]
rows = []
for h in hosts:
rows.append(h.get_info())
header = [
"Host Id", "VM Count", "Mem", "Used Mem", "Mem. Consumed", "Disk",
"Used Disk", "Constraints"
]
return tabulate(rows, headers=header, tablefmt="rst")
def tabulate_stats():
hosts = [h
for h in Universe.get_tree().schedulers.values()
if isinstance(h, Host)]
hypervisors = [(h.id, h.hypervisor.hypervisor) for h in hosts]
mem_stats = StatsHelper(dict(
(id, x.system.memory_info().used) for (id, x) in hypervisors))
disk_stats = StatsHelper(dict(
(id, x.total_datastore_info().used) for (id, x) in hypervisors))
vm_stats = StatsHelper(dict(
(id, len(x.vm_manager._resources)) for (id, x) in hypervisors))
header = ["Memory Mean (MB)", "Memory Std. Dev. (MB)",
"Disk Mean (GB)", "Disk Std. Dev. (GB)",
"VM Count Mean", "VM Count Std. Dev."]
row = [(mem_stats.mean(), mem_stats.stddev(),
disk_stats.mean(), disk_stats.stddev(),
vm_stats.mean(), vm_stats.stddev())]
return tabulate(row, headers=header, tablefmt="rst")
def check_hosts(self):
hosts = [
h for h in Universe.get_tree().schedulers.values()
if isinstance(h, Host)
]
hypervisors = [(h.id, h.hypervisor.hypervisor) for h in hosts]
mem_stats = StatsHelper(
dict((id, x.system.memory_info().used) for (id, x) in hypervisors))
disk_stats = StatsHelper(
dict((id, x.total_datastore_info().used)
for (id, x) in hypervisors))
if self.expected:
# We do not do an exact compare of stddev and
# mean. We check if it is within 10% of the
# expected
self.check_stat(mem_stats.stddev(), self.expected['mem_std_dev'])
self.check_stat(mem_stats.mean(), self.expected['mem_mean'])
self.check_stat(disk_stats.stddev(), self.expected['disk_std_dev'])
self.check_stat(disk_stats.mean(), self.expected['disk_mean'])
def check_hosts(self):
hosts = [h
for h in Universe.get_tree().schedulers.values()
if isinstance(h, Host)]
hypervisors = [(h.id, h.hypervisor.hypervisor) for h in hosts]
mem_stats = StatsHelper(dict(
(id, x.system.memory_info().used) for (id, x) in hypervisors))
disk_stats = StatsHelper(dict(
(id, x.total_datastore_info().used) for (id, x) in hypervisors))
if self.expected:
# We do not do an exact compare of stddev and
# mean. We check if it is within 10% of the
# expected
self.check_stat(mem_stats.stddev(),
self.expected['mem_std_dev'])
self.check_stat(mem_stats.mean(),
self.expected['mem_mean'])
self.check_stat(disk_stats.stddev(),
self.expected['disk_std_dev'])
self.check_stat(disk_stats.mean(),
self.expected['disk_mean'])
def tabulate_stats():
hosts = [
h for h in Universe.get_tree().schedulers.values()
if isinstance(h, Host)
]
hypervisors = [(h.id, h.hypervisor.hypervisor) for h in hosts]
mem_stats = StatsHelper(
dict((id, x.system.memory_info().used) for (id, x) in hypervisors))
disk_stats = StatsHelper(
dict((id, x.total_datastore_info().used)
for (id, x) in hypervisors))
vm_stats = StatsHelper(
dict(
(id, len(x.vm_manager._resources)) for (id, x) in hypervisors))
header = [
"Memory Mean (MB)", "Memory Std. Dev. (MB)", "Disk Mean (GB)",
"Disk Std. Dev. (GB)", "VM Count Mean", "VM Count Std. Dev."
]
row = [(mem_stats.mean(), mem_stats.stddev(), disk_stats.mean(),
disk_stats.stddev(), vm_stats.mean(), vm_stats.stddev())]
return tabulate(row, headers=header, tablefmt="rst")
def check_placement(results):
for request, response in results:
request = request.place_request
resource = request.resource
request_constraints = resource.vm.resource_constraints
if request_constraints:
host = Universe.get_tree().get_scheduler(
response.agent_id)
nw_constraints = [c.values[0] for c in host.constraints
if c.type == RCType.NETWORK]
ds_constraints = [c.values[0] for c in host.constraints
if c.type == RCType.DATASTORE]
for constraint in request_constraints:
if constraint.type == RCType.NETWORK:
if constraint.values[0] not in nw_constraints:
raise ConstraintError(resource.vm.id,
constraint.values[0],
host.id)
if constraint.type == RCType.DATASTORE:
if constraint.values[0] not in ds_constraints:
raise ConstraintError(resource.vm.id,
constraint.values[0],
host.id)
def run(self):
Universe.get_tree().pretty_print()
def run(self):
Universe.get_tree().pretty_print()
