def refresh_backends_stats(backends):
""" Refresh the statistics of the backends.
Set db backend state to the actual state of the backend, if
BACKEND_REFRESH_MIN time has passed.
"""
now = datetime.datetime.now()
delta = datetime.timedelta(minutes=BACKEND_REFRESH_MIN)
for b in backends:
if now > b.updated + delta:
log.debug("Updating resources of backend %r. Last Updated %r", b,
b.updated)
update_resources(b)
def refresh_backends_stats(backends):
""" Refresh the statistics of the backends.
Set db backend state to the actual state of the backend, if
BACKEND_REFRESH_MIN time has passed.
"""
now = datetime.datetime.now()
delta = datetime.timedelta(minutes=BACKEND_REFRESH_MIN)
for b in backends:
if now > b.updated + delta:
log.debug("Updating resources of backend %r. Last Updated %r",
b, b.updated)
update_resources(b)
def handle(self, *args, **options):
if len(args) > 0:
raise CommandError("Command takes no arguments")
clustername = options['clustername']
port = options['port']
username = options['username']
password = options['password']
hypervisor = options["hypervisor"]
if not (clustername and username and password):
raise CommandError("Clustername, user and pass must be supplied")
# Ensure correctness of credentials
if options['check']:
check_backend_credentials(clustername, port, username, password)
kw = {
"clustername": clustername,
"port": port,
"username": username,
"password": password,
"drained": True
}
if hypervisor:
kw["hypervisor"] = hypervisor
# Create the new backend in database
try:
backend = Backend.objects.create(**kw)
except IntegrityError as e:
raise CommandError("Cannot create backend: %s\n" % e)
self.stdout.write('\nSuccessfully created backend with id %d\n' %
backend.id)
if not options['check']:
return
self.stdout.write('\rRetrieving backend resources:\n')
resources = get_physical_resources(backend)
attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal']
table = [[str(resources[x]) for x in attr]]
pprint_table(self.stdout, table, attr)
update_resources(backend, resources)
def handle(self, *args, **options):
if len(args) > 0:
raise CommandError("Command takes no arguments")
clustername = options['clustername']
port = options['port']
username = options['username']
password = options['password']
hypervisor = options["hypervisor"]
if not (clustername and username and password):
raise CommandError("Clustername, user and pass must be supplied")
# Ensure correctness of credentials
if options['check']:
check_backend_credentials(clustername, port, username, password)
kw = {"clustername": clustername,
"port": port,
"username": username,
"password": password,
"drained": True}
if hypervisor:
kw["hypervisor"] = hypervisor
# Create the new backend in database
try:
backend = Backend.objects.create(**kw)
except IntegrityError as e:
raise CommandError("Cannot create backend: %s\n" % e)
self.stdout.write('\nSuccessfully created backend with id %d\n' %
backend.id)
if not options['check']:
return
self.stdout.write('\rRetrieving backend resources:\n')
resources = get_physical_resources(backend)
attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal']
table = [[str(resources[x]) for x in attr]]
pprint_table(self.stdout, table, attr)
update_resources(backend, resources)
def handle(self, **options):
if options['backend_id']:
backends = [get_backend(options['backend_id'])]
else:
backends = Backend.objects.filter(offline=False)
if not options['drained']:
backends = backends.filter(drained=False)
now = datetime.datetime.now()
if options['older_than'] is not None:
minutes = int(options['older_than'])
else:
minutes = settings.BACKEND_REFRESH_MIN
delta = datetime.timedelta(minutes=minutes)
for b in backends:
if now > b.updated + delta:
update_resources(b)
print 'Successfully updated backend with id: %d' % b.id
else:
print 'Backend %d does not need update' % b.id
def handle(self, **options):
if options["backend_id"]:
backends = [get_backend(options["backend_id"])]
else:
backends = Backend.objects.filter(offline=False)
if not options["drained"]:
backends = backends.filter(drained=False)
now = datetime.datetime.now()
if options["older_than"] is not None:
minutes = int(options["older_than"])
else:
minutes = settings.BACKEND_REFRESH_MIN
delta = datetime.timedelta(minutes=minutes)
for b in backends:
if now > b.updated + delta:
update_resources(b)
print "Successfully updated backend with id: %d" % b.id
else:
print "Backend %d does not need update" % b.id
