def _validate_manage_parameters(self, context, body):
if not (body and self.is_valid_body(body, 'share')):
msg = _("Share entity not found in request body")
raise exc.HTTPUnprocessableEntity(explanation=msg)
required_parameters = ['export_path', 'service_host', 'protocol']
data = body['share']
for parameter in required_parameters:
if parameter not in data:
msg = _("Required parameter %s not found") % parameter
raise exc.HTTPUnprocessableEntity(explanation=msg)
if not data.get(parameter):
msg = _("Required parameter %s is empty") % parameter
raise exc.HTTPUnprocessableEntity(explanation=msg)
if not share_utils.extract_host(data['service_host'], 'pool'):
msg = _("service_host parameter should contain pool.")
raise exc.HTTPBadRequest(explanation=msg)
try:
utils.validate_service_host(
context, share_utils.extract_host(data['service_host']))
except exception.ServiceNotFound as e:
raise exc.HTTPNotFound(explanation=six.text_type(e))
except exception.PolicyNotAuthorized as e:
raise exc.HTTPForbidden(explanation=six.text_type(e))
except exception.ServiceIsDown as e:
raise exc.HTTPBadRequest(explanation=six.text_type(e))
data['share_type_id'] = self._get_share_type_id(
context, data.get('share_type'))
return data
def _validate_manage_share_server_parameters(self, context, body):
if not (body and self.is_valid_body(body, 'share_server')):
msg = _("Share Server entity not found in request body")
raise exc.HTTPUnprocessableEntity(explanation=msg)
required_parameters = ('host', 'share_network_id', 'identifier')
data = body['share_server']
for parameter in required_parameters:
if parameter not in data:
msg = _("Required parameter %s not found") % parameter
raise exc.HTTPBadRequest(explanation=msg)
if not data.get(parameter):
msg = _("Required parameter %s is empty") % parameter
raise exc.HTTPBadRequest(explanation=msg)
identifier = data['identifier']
host, share_network_id = data['host'], data['share_network_id']
if share_utils.extract_host(host, 'pool'):
msg = _("Host parameter should not contain pool.")
raise exc.HTTPBadRequest(explanation=msg)
try:
utils.validate_service_host(
context, share_utils.extract_host(host))
except exception.ServiceNotFound as e:
raise exc.HTTPBadRequest(explanation=e)
except exception.PolicyNotAuthorized as e:
raise exc.HTTPForbidden(explanation=e)
except exception.AdminRequired as e:
raise exc.HTTPForbidden(explanation=e)
except exception.ServiceIsDown as e:
raise exc.HTTPBadRequest(explanation=e)
try:
share_network = db_api.share_network_get(
context, share_network_id)
except exception.ShareNetworkNotFound as e:
raise exc.HTTPBadRequest(explanation=e)
driver_opts = data.get('driver_options')
if driver_opts is not None and not isinstance(driver_opts, dict):
msg = _("Driver options must be in dictionary format.")
raise exc.HTTPBadRequest(explanation=msg)
return identifier, host, share_network, driver_opts
def _validate_manage_parameters(self, context, body):
if not (body and self.is_valid_body(body, 'share')):
msg = _("Share entity not found in request body")
raise exc.HTTPUnprocessableEntity(explanation=msg)
required_parameters = ('export_path', 'service_host', 'protocol')
data = body['share']
for parameter in required_parameters:
if parameter not in data:
msg = _("Required parameter %s not found") % parameter
raise exc.HTTPUnprocessableEntity(explanation=msg)
if not data.get(parameter):
msg = _("Required parameter %s is empty") % parameter
raise exc.HTTPUnprocessableEntity(explanation=msg)
if isinstance(data['export_path'], dict):
# the path may be inside this dictionary
try:
data['export_path'] = data['export_path']['path']
except KeyError:
msg = ("Export path must be a string, or a dictionary "
"with a 'path' item")
raise exc.HTTPUnprocessableEntity(explanation=msg)
if not share_utils.extract_host(data['service_host'], 'pool'):
msg = _("service_host parameter should contain pool.")
raise exc.HTTPBadRequest(explanation=msg)
try:
utils.validate_service_host(
context, share_utils.extract_host(data['service_host']))
except exception.ServiceNotFound as e:
raise exc.HTTPNotFound(explanation=e.msg)
except exception.PolicyNotAuthorized as e:
raise exc.HTTPForbidden(explanation=e.msg)
except exception.AdminRequired as e:
raise exc.HTTPForbidden(explanation=e.msg)
except exception.ServiceIsDown as e:
raise exc.HTTPBadRequest(explanation=e.msg)
data['share_type_id'] = self._get_share_type_id(
context, data.get('share_type'))
return data
def _validate_manage_share_server_parameters(self, context, body):
if not (body and self.is_valid_body(body, 'share_server')):
msg = _("Share Server entity not found in request body")
raise exc.HTTPUnprocessableEntity(explanation=msg)
required_parameters = ('host', 'share_network_id', 'identifier')
data = body['share_server']
for parameter in required_parameters:
if parameter not in data:
msg = _("Required parameter %s not found") % parameter
raise exc.HTTPBadRequest(explanation=msg)
if not data.get(parameter):
msg = _("Required parameter %s is empty") % parameter
raise exc.HTTPBadRequest(explanation=msg)
identifier = data['identifier']
host, share_network_id = data['host'], data['share_network_id']
network_subnet_id = data.get('share_network_subnet_id')
if network_subnet_id:
try:
network_subnet = db_api.share_network_subnet_get(
context, network_subnet_id)
except exception.ShareNetworkSubnetNotFound:
msg = _("The share network subnet %s does not "
"exist.") % network_subnet_id
raise exc.HTTPBadRequest(explanation=msg)
else:
network_subnet = db_api.share_network_subnet_get_default_subnet(
context, share_network_id)
if network_subnet is None:
msg = _("The share network %s does have a default subnet. Create "
"one or use a specific subnet to manage this share server "
"with API version >= 2.51.") % share_network_id
raise exc.HTTPBadRequest(explanation=msg)
if share_utils.extract_host(host, 'pool'):
msg = _("Host parameter should not contain pool.")
raise exc.HTTPBadRequest(explanation=msg)
try:
utils.validate_service_host(context,
share_utils.extract_host(host))
except exception.ServiceNotFound as e:
raise exc.HTTPBadRequest(explanation=e)
except exception.PolicyNotAuthorized as e:
raise exc.HTTPForbidden(explanation=e)
except exception.AdminRequired as e:
raise exc.HTTPForbidden(explanation=e)
except exception.ServiceIsDown as e:
raise exc.HTTPBadRequest(explanation=e)
try:
share_network = db_api.share_network_get(context, share_network_id)
except exception.ShareNetworkNotFound as e:
raise exc.HTTPBadRequest(explanation=e)
driver_opts = data.get('driver_options')
if driver_opts is not None and not isinstance(driver_opts, dict):
msg = _("Driver options must be in dictionary format.")
raise exc.HTTPBadRequest(explanation=msg)
return identifier, host, share_network, driver_opts, network_subnet
def migrate_share(self, context, share, host, force_host_copy):
"""Migrates share to a new host."""
policy.check_policy(context, 'share', 'migrate')
share_instance = share.instance
# We only handle "available" share for now
if share_instance['status'] != constants.STATUS_AVAILABLE:
msg = _('Share instance %(instance_id)s status must be available, '
'but current status is: %(instance_status)s.') % {
'instance_id': share_instance['id'],
'instance_status': share_instance['status']}
raise exception.InvalidShare(reason=msg)
self._check_is_share_busy(share)
# Make sure the destination host is different than the current one
if host == share_instance['host']:
msg = _('Destination host %(dest_host)s must be different '
'than the current host %(src_host)s.') % {
'dest_host': host,
'src_host': share_instance['host']}
raise exception.InvalidHost(reason=msg)
# We only handle shares without snapshots for now
snaps = self.db.share_snapshot_get_all_for_share(context, share['id'])
if snaps:
msg = _("Share %s must not have snapshots.") % share['id']
raise exception.InvalidShare(reason=msg)
# Make sure the host is in the list of available hosts
utils.validate_service_host(context, share_utils.extract_host(host))
# NOTE(ganso): there is the possibility of an error between here and
# manager code, which will cause the share to be stuck in
# MIGRATION_STARTING status. According to Liberty Midcycle discussion,
# this kind of scenario should not be cleaned up, the administrator
# should be issued to clear this status before a new migration request
# is made
self.update(
context, share,
{'task_state': constants.STATUS_TASK_STATE_MIGRATION_STARTING})
share_type = {}
share_type_id = share['share_type_id']
if share_type_id:
share_type = share_types.get_share_type(context, share_type_id)
request_spec = {'share_properties': share,
'share_instance_properties': share_instance.to_dict(),
'share_type': share_type,
'share_id': share['id']}
try:
self.scheduler_rpcapi.migrate_share_to_host(context, share['id'],
host, force_host_copy,
request_spec)
except Exception:
self.update(
context, share,
{'task_state': constants.STATUS_TASK_STATE_MIGRATION_ERROR})
raise
def migrate_share(self, context, share, host, force_host_copy):
"""Migrates share to a new host."""
policy.check_policy(context, 'share', 'migrate')
share_instance = share.instance
# We only handle "available" share for now
if share_instance['status'] != constants.STATUS_AVAILABLE:
msg = _('Share instance %(instance_id)s status must be available, '
'but current status is: %(instance_status)s.') % {
'instance_id': share_instance['id'],
'instance_status': share_instance['status']
}
LOG.error(msg)
raise exception.InvalidShare(reason=msg)
# Make sure share is not part of a migration
if share['task_state'] in constants.BUSY_TASK_STATES:
msg = _("Share %s is busy as part of an active "
"task.") % share['id']
LOG.error(msg)
raise exception.InvalidShare(reason=msg)
# Make sure the destination host is different than the current one
if host == share_instance['host']:
msg = _('Destination host %(dest_host)s must be different '
'than the current host %(src_host)s.') % {
'dest_host': host,
'src_host': share_instance['host']
}
LOG.error(msg)
raise exception.InvalidHost(reason=msg)
# We only handle shares without snapshots for now
snaps = self.db.share_snapshot_get_all_for_share(context, share['id'])
if snaps:
msg = _("Share %s must not have snapshots.") % share['id']
LOG.error(msg)
raise exception.InvalidShare(reason=msg)
# Make sure the host is in the list of available hosts
utils.validate_service_host(context, share_utils.extract_host(host))
# NOTE(ganso): there is the possibility of an error between here and
# manager code, which will cause the share to be stuck in
# MIGRATION_STARTING status. According to Liberty Midcycle discussion,
# this kind of scenario should not be cleaned up, the administrator
# should be issued to clear this status before a new migration request
# is made
self.update(
context, share,
{'task_state': constants.STATUS_TASK_STATE_MIGRATION_STARTING})
share_type = {}
share_type_id = share['share_type_id']
if share_type_id:
share_type = share_types.get_share_type(context, share_type_id)
request_spec = {
'share_properties': share,
'share_instance_properties': share_instance.to_dict(),
'share_type': share_type,
'share_id': share['id']
}
try:
self.scheduler_rpcapi.migrate_share_to_host(
context, share['id'], host, force_host_copy, request_spec)
except Exception:
self.update(
context, share,
{'task_state': constants.STATUS_TASK_STATE_MIGRATION_ERROR})
raise
