def _check_volumes(cls, cluster):
try:
for node in cluster.nodes:
if cls._is_disk_checking_required(node):
VolumeManager(node).check_volume_sizes_for_deployment()
except errors.NotEnoughFreeSpace as e:
raise errors.NotEnoughFreeSpace(
u"Node '{}' has insufficient disk space\n{}".format(
node.human_readable_name, e.message))
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_spaces(cls, nodes, checker):
messages = []
for node in nodes:
if cls._is_disk_checking_required(node):
try:
checker(VolumeManager(node))
except errors.NotEnoughFreeSpace:
messages.append(
u"Node '{}' has insufficient disk space"
.format(node.human_readable_name)
)
if messages:
raise errors.NotEnoughFreeSpace(u'\n'.join(messages))
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 {0}, minimal size {1}'.format(
disks_space, minimal_installation_size))
if disks_space < minimal_installation_size:
raise errors.NotEnoughFreeSpace()
