def __check_disks(cls, task):
try:
for node in task.cluster.nodes:
node.volume_manager.check_disk_space_for_deployment()
except errors.NotEnoughFreeSpace:
raise errors.NotEnoughFreeSpace(
u"Node '%s' has insufficient disk space" %
node.human_readable_name)
def _check_volumes(cls, task):
try:
for node in task.cluster.nodes:
if cls._is_disk_checking_required(node):
node.volume_manager.check_volume_sizes_for_deployment()
except errors.NotEnoughFreeSpace as e:
raise errors.NotEnoughFreeSpace(
u"Node '%s' has insufficient disk space\n%s" %
(node.human_readable_name, e.message))
def _check_disks(cls, task):
try:
for node in task.cluster.nodes:
if cls._is_disk_checking_required(node):
node.volume_manager.check_disk_space_for_deployment()
except errors.NotEnoughFreeSpace:
raise errors.NotEnoughFreeSpace(
u"Node '{0}' has insufficient disk space".format(
node.human_readable_name))
def check_volume_sizes_for_deployment(self):
vg_errors = []
for volume in self.allowed_volumes:
vg_size = self.get_total_allocated_size(volume['id'])
min_size = self.expand_generators(volume)['min_size']
if vg_size < min_size:
vg_errors.append([volume['label'], min_size])
if vg_errors:
msgs = ["Volume group '{0}' requires a minimum of {1}MB".format(*v)
for v in vg_errors]
raise errors.NotEnoughFreeSpace('\n'.join(msgs))
def check_disk_space_for_deployment(self):
'''Check disks space for minimal installation.
This method calls in before deployment task.
:raises: errors.NotEnoughFreeSpace
'''
disks_space = sum([d.size for d in self.disks])
minimal_installation_size = self.__calc_minimal_installation_size()
self.__logger('Checking disks space: disks space %s, minimal size %s' %
(disks_space, minimal_installation_size))
if disks_space < minimal_installation_size:
raise errors.NotEnoughFreeSpace()
