def validate_zpool(self, zpool):
"""Return NodeStorage object or raise ValidationError"""
try:
return self.vm.node.get_node_storage(self.vm.dc, zpool)
except NodeStorage.DoesNotExist:
msg = _('Storage with zpool=%(zpool)s does not exist on target node.')
raise APIValidationError(msg % {'zpool': zpool})
def validate_storage_resources(self):
"""Validate node storage resources"""
for zpool, size in self.vm.get_disks().items():
ns = self._nss[zpool]
if not ns.check_free_space(size):
raise APIValidationError(_('Not enough free disk space on target storage with zpool=%s.') % zpool)
def change_zpool(cls, disk, zpool):
"""Switch zpool in zfs_filesystem attribute"""
try:
dataset = disk['zfs_filesystem']
except KeyError:
raise APIValidationError('Invalid disk configuration.')
else:
return cls._change_zpool(dataset, zpool)
def validate_node_resources(self, ignore_cpu_ram=False, ignore_disk=False):
"""Validate dc_node resources"""
vm = self.vm
node = vm.node
dc_node = node.get_dc_node(vm.dc)
vm_resources = vm.get_cpu_ram_disk(zpool=node.zpool, ram_overhead=True, ignore_cpu_ram=ignore_cpu_ram,
ignore_disk=ignore_disk)
if not dc_node.check_free_resources(*vm_resources):
raise APIValidationError(_('Not enough free resources on target node.'))
def validate_node_resources(self, ignore_cpu_ram=False):
"""Validate dc_node resources"""
vm = self.vm
node = vm.node
dc_node = node.get_dc_node(vm.dc)
if ignore_cpu_ram:
vm_resources = (0, 0, sum(vm.get_disks(zpool=node.zpool).values()))
else:
vm_resources = vm.get_cpu_ram_disk(zpool=node.zpool,
ram_overhead=True)
if not dc_node.check_free_resources(*vm_resources):
raise APIValidationError(
_('Not enough free resources on target node.'))
def get_zpool(disk):
"""Return zpool part from zfs_filesystem attribute"""
try:
return disk['zfs_filesystem'].split('/')[0]
except (KeyError, IndexError):
raise APIValidationError('Invalid disk configuration.')
