def _max_attempts(self):
max_attempts = CONF.storage_scheduler_max_attempts
if max_attempts < 1:
raise exception.InvalidParameterValue(
err=_("Invalid value for 'storage_scheduler_max_attempts', "
"must be >=1"))
return max_attempts
def get_all(self,
context,
search_opts=None,
marker=None,
limit=None,
offset=None,
sort_keys=None,
sort_dirs=None):
check_policy(context, 'get_all')
search_opts = search_opts or {}
all_tenants = search_opts.pop('all_tenants', '0')
if not utils.is_valid_boolstr(all_tenants):
msg = _("all_tenants must be a boolean, got '%s'.") % all_tenants
raise exception.InvalidParameterValue(err=msg)
if context.is_admin and strutils.bool_from_string(all_tenants):
backups = storage.BackupList.get_all(context, search_opts, marker,
limit, offset, sort_keys,
sort_dirs)
else:
backups = storage.BackupList.get_all_by_project(
context, context.project_id, search_opts, marker, limit,
offset, sort_keys, sort_dirs)
return backups
def show_target(self, iscsi_target, iqn, **kwargs):
if iqn is None:
raise exception.InvalidParameterValue(
err=_('valid iqn needed for show_target'))
tid = self._get_target(iqn)
if tid is None:
raise exception.NotFound()
def get_bool_param(param_string, params):
param = params.get(param_string, False)
if not is_valid_boolstr(param):
msg = _('Value %(param)s for %(param_string)s is not a '
'boolean.') % {'param': param, 'param_string': param_string}
raise exception.InvalidParameterValue(err=msg)
return strutils.bool_from_string(param, strict=True)
def show_target(self, tid, iqn):
if iqn is None:
raise exception.InvalidParameterValue(
err=_('valid iqn needed for show_target'))
tid = self._get_target(iqn)
if tid is None:
raise exception.ISCSITargetHelperCommandFailed(
error_message="Target not found")
def matches_versioned_method(self, method):
"""Compares this version to that of a versioned method."""
if type(method) != versioned_method.VersionedMethod:
msg = _('An API version request must be compared '
'to a VersionedMethod object.')
raise exception.InvalidParameterValue(err=msg)
return self.matches(method.start_version, method.end_version,
method.experimental)
def create(self, req, body):
"""Creates a new snapshot."""
kwargs = {}
context = req.environ['storage.context']
self.assert_valid_body(body, 'snapshot')
snapshot = body['snapshot']
kwargs['metadata'] = snapshot.get('metadata', None)
try:
volume_id = snapshot['volume_id']
except KeyError:
msg = _("'volume_id' must be specified")
raise exc.HTTPBadRequest(explanation=msg)
try:
volume = self.volume_api.get(context, volume_id)
except exception.VolumeNotFound as error:
raise exc.HTTPNotFound(explanation=error.msg)
force = snapshot.get('force', False)
msg = _LI("Create snapshot from volume %s")
LOG.info(msg, volume_id, context=context)
self.validate_name_and_description(snapshot)
# NOTE(thingee): v2 API allows name instead of display_name
if 'name' in snapshot:
snapshot['display_name'] = snapshot.pop('name')
try:
force = strutils.bool_from_string(force, strict=True)
except ValueError as error:
err_msg = encodeutils.exception_to_unicode(error)
msg = _("Invalid value for 'force': '%s'") % err_msg
raise exception.InvalidParameterValue(err=msg)
if force:
new_snapshot = self.volume_api.create_snapshot_force(
context, volume, snapshot.get('display_name'),
snapshot.get('description'), **kwargs)
else:
new_snapshot = self.volume_api.create_snapshot(
context, volume, snapshot.get('display_name'),
snapshot.get('description'), **kwargs)
req.cache_db_snapshot(new_snapshot)
return self._view_builder.detail(req, new_snapshot)
def create(self, req, body):
"""Creates a new snapshot."""
kwargs = {}
context = req.environ['storage.context']
if not self.is_valid_body(body, 'snapshot'):
raise exc.HTTPUnprocessableEntity()
snapshot = body['snapshot']
kwargs['metadata'] = snapshot.get('metadata', None)
try:
volume_id = snapshot['volume_id']
except KeyError:
msg = _("'volume_id' must be specified")
raise exc.HTTPBadRequest(explanation=msg)
try:
volume = self.volume_api.get(context, volume_id)
except exception.NotFound:
raise exc.HTTPNotFound()
force = snapshot.get('force', False)
msg = _LI("Create snapshot from volume %s")
LOG.info(msg, volume_id, context=context)
if not utils.is_valid_boolstr(force):
msg = _("Invalid value '%s' for force. ") % force
raise exception.InvalidParameterValue(err=msg)
if strutils.bool_from_string(force):
new_snapshot = self.volume_api.create_snapshot_force(
context, volume, snapshot.get('display_name'),
snapshot.get('display_description'), **kwargs)
else:
new_snapshot = self.volume_api.create_snapshot(
context, volume, snapshot.get('display_name'),
snapshot.get('display_description'), **kwargs)
req.cache_db_snapshot(new_snapshot)
retval = _translate_snapshot_detail_view(new_snapshot)
return {'snapshot': retval}
def _parse_ns_output(self, switch_data):
"""Parses name server data.
Parses nameserver raw data and adds the device port wwns to the list
:returns: List -- list of device port wwn from ns info
"""
return_list = []
for line in switch_data:
if not(" N " in line):
continue
linesplit = line.split()
if len(linesplit) > 2:
node_port_wwn = linesplit[2]
return_list.append(node_port_wwn)
else:
msg = _("Malformed show fcns database string: %s") % line
LOG.error(msg)
raise exception.InvalidParameterValue(err=msg)
return return_list
def get_device_mapping_from_network(self, initiator_wwn_list,
target_wwn_list):
"""Provides the initiator/target map for available SAN contexts.
Looks up fcns database of each fc SAN configured to find logged in
devices and returns a map of initiator and target port WWNs for each
fabric.
:param initiator_wwn_list: List of initiator port WWN
:param target_wwn_list: List of target port WWN
:returns: List -- device wwn map in following format
{
<San name>: {
'initiator_port_wwn_list':
('200000051e55a100', '200000051e55a121'..)
'target_port_wwn_list':
('100000051e55a100', '100000051e55a121'..)
}
}
:raises: Exception when connection to fabric is failed
"""
device_map = {}
formatted_target_list = []
formatted_initiator_list = []
fabric_map = {}
fabric_names = self.configuration.fc_fabric_names
if not fabric_names:
raise exception.InvalidParameterValue(
err=_("Missing Fibre Channel SAN configuration "
"param - fc_fabric_names"))
fabrics = [x.strip() for x in fabric_names.split(',')]
LOG.debug("FC Fabric List: %s", fabrics)
if fabrics:
for t in target_wwn_list:
formatted_target_list.append(zm_utils.get_formatted_wwn(t))
for i in initiator_wwn_list:
formatted_initiator_list.append(zm_utils.get_formatted_wwn(i))
for fabric_name in fabrics:
self.switch_ip = self.fabric_configs[fabric_name].safe_get(
'cisco_fc_fabric_address')
self.switch_user = self.fabric_configs[fabric_name].safe_get(
'cisco_fc_fabric_user')
self.switch_pwd = self.fabric_configs[fabric_name].safe_get(
'cisco_fc_fabric_password')
self.switch_port = self.fabric_configs[fabric_name].safe_get(
'cisco_fc_fabric_port')
zoning_vsan = self.fabric_configs[fabric_name].safe_get(
'cisco_zoning_vsan')
# Get name server data from fabric and find the targets
# logged in
nsinfo = ''
LOG.debug("show fcns database for vsan %s", zoning_vsan)
nsinfo = self.get_nameserver_info(zoning_vsan)
LOG.debug("Lookup service:fcnsdatabase-%s", nsinfo)
LOG.debug("Lookup service:initiator list from caller-%s",
formatted_initiator_list)
LOG.debug("Lookup service:target list from caller-%s",
formatted_target_list)
visible_targets = [
x for x in nsinfo if x in formatted_target_list
]
visible_initiators = [
x for x in nsinfo if x in formatted_initiator_list
]
if visible_targets:
LOG.debug("Filtered targets is: %s", visible_targets)
# getting rid of the : before returning
for idx, elem in enumerate(visible_targets):
elem = str(elem).replace(':', '')
visible_targets[idx] = elem
else:
LOG.debug(
"No targets are in the fcns database"
" for vsan %s", zoning_vsan)
if visible_initiators:
# getting rid of the : before returning ~sk
for idx, elem in enumerate(visible_initiators):
elem = str(elem).replace(':', '')
visible_initiators[idx] = elem
else:
LOG.debug(
"No initiators are in the fcns database"
" for vsan %s", zoning_vsan)
fabric_map = {
'initiator_port_wwn_list': visible_initiators,
'target_port_wwn_list': visible_targets
}
device_map[zoning_vsan] = fabric_map
LOG.debug("Device map for SAN context: %s", device_map)
return device_map
def get_device_mapping_from_network(self, initiator_wwn_list,
target_wwn_list):
"""Provides the initiator/target map for available SAN contexts.
Looks up nameserver of each fc SAN configured to find logged in devices
and returns a map of initiator and target port WWNs for each fabric.
:param initiator_wwn_list: List of initiator port WWN
:param target_wwn_list: List of target port WWN
:returns: List -- device wwn map in following format
{
<San name>: {
'initiator_port_wwn_list':
('200000051e55a100', '200000051e55a121'..)
'target_port_wwn_list':
('100000051e55a100', '100000051e55a121'..)
}
}
:raises: Exception when connection to fabric is failed
"""
device_map = {}
formatted_target_list = []
formatted_initiator_list = []
fabric_map = {}
fabric_names = self.configuration.fc_fabric_names
fabrics = None
if not fabric_names:
raise exception.InvalidParameterValue(
err=_("Missing Fibre Channel SAN configuration "
"param - fc_fabric_names"))
fabrics = [x.strip() for x in fabric_names.split(',')]
LOG.debug("FC Fabric List: %s", fabrics)
if fabrics:
for t in target_wwn_list:
formatted_target_list.append(fczm_utils.get_formatted_wwn(t))
for i in initiator_wwn_list:
formatted_initiator_list.append(
fczm_utils.get_formatted_wwn(i))
for fabric_name in fabrics:
fabric_ip = self.fabric_configs[fabric_name].safe_get(
'fc_fabric_address')
# Get name server data from fabric and find the targets
# logged in
nsinfo = ''
try:
LOG.debug("Getting name server data for "
"fabric %s", fabric_ip)
conn = self._get_southbound_client(fabric_name)
nsinfo = conn.get_nameserver_info()
except exception.FCSanLookupServiceException:
with excutils.save_and_reraise_exception():
LOG.error(
_LE("Failed collecting name server info from"
" fabric %s"), fabric_ip)
except Exception as e:
msg = _("SSH connection failed "
"for %(fabric)s with error: %(err)s") % {
'fabric': fabric_ip,
'err': e
}
LOG.error(msg)
raise exception.FCSanLookupServiceException(message=msg)
LOG.debug("Lookup service:nsinfo-%s", nsinfo)
LOG.debug("Lookup service:initiator list from "
"caller-%s", formatted_initiator_list)
LOG.debug("Lookup service:target list from "
"caller-%s", formatted_target_list)
visible_targets = [
x for x in nsinfo if x in formatted_target_list
]
visible_initiators = [
x for x in nsinfo if x in formatted_initiator_list
]
if visible_targets:
LOG.debug("Filtered targets is: %s", visible_targets)
# getting rid of the : before returning
for idx, elem in enumerate(visible_targets):
elem = str(elem).replace(':', '')
visible_targets[idx] = elem
else:
LOG.debug("No targets are in the nameserver for SAN %s",
fabric_name)
if visible_initiators:
# getting rid of the : before returning ~sk
for idx, elem in enumerate(visible_initiators):
elem = str(elem).replace(':', '')
visible_initiators[idx] = elem
else:
LOG.debug(
"No initiators are in the nameserver "
"for SAN %s", fabric_name)
fabric_map = {
'initiator_port_wwn_list': visible_initiators,
'target_port_wwn_list': visible_targets
}
device_map[fabric_name] = fabric_map
LOG.debug("Device map for SAN context: %s", device_map)
return device_map
def update(self, req, id, body):
"""Update Quota for a particular tenant
This works for hierarchical and non-hierarchical projects. For
hierarchical projects only immediate parent admin or the
CLOUD admin are able to perform an update.
:param req: request
:param id: target project id that needs to be updated
:param body: key, value pair that that will be
applied to the resources if the update
succeeds
"""
context = req.environ['storage.context']
authorize_update(context)
self.validate_string_length(id,
'quota_set_name',
min_length=1,
max_length=255)
self.assert_valid_body(body, 'quota_set')
# Get the optional argument 'skip_validation' from body,
# if skip_validation is False, then validate existing resource.
skip_flag = body.get('skip_validation', True)
if not utils.is_valid_boolstr(skip_flag):
msg = _("Invalid value '%s' for skip_validation.") % skip_flag
raise exception.InvalidParameterValue(err=msg)
skip_flag = strutils.bool_from_string(skip_flag)
target_project_id = id
bad_keys = []
# NOTE(ankit): Pass #1 - In this loop for body['quota_set'].items(),
# we figure out if we have any bad keys.
for key, value in body['quota_set'].items():
if (key not in QUOTAS and key not in NON_QUOTA_KEYS):
bad_keys.append(key)
continue
if len(bad_keys) > 0:
msg = _("Bad key(s) in quota set: %s") % ",".join(bad_keys)
raise webob.exc.HTTPBadRequest(explanation=msg)
# Saving off this value since we need to use it multiple times
use_nested_quotas = QUOTAS.using_nested_quotas()
if use_nested_quotas:
# Get the parent_id of the target project to verify whether we are
# dealing with hierarchical namespace or non-hierarchical namespace
target_project = quota_utils.get_project_hierarchy(
context, target_project_id, parents_as_ids=True)
parent_id = target_project.parent_id
if parent_id:
# Get the children of the project which the token is scoped to
# in order to know if the target_project is in its hierarchy.
context_project = quota_utils.get_project_hierarchy(
context,
context.project_id,
subtree_as_ids=True,
is_admin_project=context.is_admin)
self._authorize_update_or_delete(context_project,
target_project.id, parent_id)
# NOTE(ankit): Pass #2 - In this loop for body['quota_set'].keys(),
# we validate the quota limits to ensure that we can bail out if
# any of the items in the set is bad. Meanwhile we validate value
# to ensure that the value can't be lower than number of existing
# resources.
quota_values = QUOTAS.get_project_quotas(context,
target_project_id,
defaults=False)
valid_quotas = {}
reservations = []
for key in body['quota_set'].keys():
if key in NON_QUOTA_KEYS:
continue
value = utils.validate_integer(body['quota_set'][key],
key,
min_value=-1,
max_value=db.MAX_INT)
# Can't skip the validation of nested quotas since it could mess up
# hierarchy if parent limit is less than childrens' current usage
if not skip_flag or use_nested_quotas:
self._validate_existing_resource(key, value, quota_values)
if use_nested_quotas:
try:
reservations += self._update_nested_quota_allocated(
context, target_project, quota_values, key, value)
except exception.OverQuota as e:
if reservations:
db.reservation_rollback(context, reservations)
raise webob.exc.HTTPBadRequest(explanation=e.message)
valid_quotas[key] = value
# NOTE(ankit): Pass #3 - At this point we know that all the keys and
# values are valid and we can iterate and update them all in one shot
# without having to worry about rolling back etc as we have done
# the validation up front in the 2 loops above.
for key, value in valid_quotas.items():
try:
db.quota_update(context, target_project_id, key, value)
except exception.ProjectQuotaNotFound:
db.quota_create(context, target_project_id, key, value)
except exception.AdminRequired:
raise webob.exc.HTTPForbidden()
if reservations:
db.reservation_commit(context, reservations)
return {'quota_set': self._get_quotas(context, target_project_id)}
