def _is_forward_zone_removable(self):
session = self.ib_cxt.context.session
pattern = self.grid_config.default_domain_name_pattern
subnet_id = self.ib_cxt.subnet['id']
network_id = self.ib_cxt.subnet['network_id']
tenant_id = self.ib_cxt.subnet['tenant_id']
# check all dynamic patterns from bottom to top hierarchy
subnet_used = '{subnet_name}' in pattern or '{subnet_id}' in pattern
if subnet_used:
return True
network_used = '{network_name}' in pattern or '{network_id}' in pattern
if network_used:
if dbi.is_last_subnet_in_network(session, subnet_id, network_id):
return True
tenant_used = '{tenant_name}' in pattern or '{tenant_id}' in pattern
if tenant_used:
if dbi.is_last_subnet_in_tenant(session, subnet_id, tenant_id):
return True
address_scope_used = ('{address_scope_name}' in pattern or
'{address_scope_id}' in pattern)
if address_scope_used:
if dbi.is_last_subnet_in_address_scope(session, subnet_id):
return True
# now check for static zone
if self.grid_config.allow_static_zone_deletion:
return dbi.is_last_subnet_in_private_networks(session, subnet_id)
else:
return False
def _is_forward_zone_removable(self):
session = self.ib_cxt.context.session
pattern = self.grid_config.default_domain_name_pattern
subnet_id = self.ib_cxt.subnet['id']
network_id = self.ib_cxt.subnet['network_id']
tenant_id = self.ib_cxt.subnet['tenant_id']
# check all dynamic patterns from bottom to top hierarchy
subnet_used = '{subnet_name}' in pattern or '{subnet_id}' in pattern
if subnet_used:
return True
network_used = '{network_name}' in pattern or '{network_id}' in pattern
if network_used:
if dbi.is_last_subnet_in_network(session, subnet_id, network_id):
return True
tenant_used = '{tenant_name}' in pattern or '{tenant_id}' in pattern
if tenant_used:
if dbi.is_last_subnet_in_tenant(session, subnet_id, tenant_id):
return True
address_scope_used = ('{address_scope_name}' in pattern
or '{address_scope_id}' in pattern)
if address_scope_used:
if dbi.is_last_subnet_in_address_scope(session, subnet_id):
return True
# now check for static zone
if self.grid_config.allow_static_zone_deletion:
return dbi.is_last_subnet_in_private_networks(session, subnet_id)
else:
return False
def _is_member_releasable(self):
"""Determine if service members can be released."""
session = self.ib_cxt.context.session
subnet_id = self.ib_cxt.subnet.get('id')
network_id = self.ib_cxt.subnet.get('network_id')
tenant_id = self.ib_cxt.subnet.get('tenant_id')
netview_scope = self.ib_cxt.grid_config.default_network_view_scope
if netview_scope == const.NETWORK_VIEW_SCOPE_ADDRESS_SCOPE:
return dbi.is_last_subnet_in_address_scope(session, subnet_id)
if netview_scope == const.NETWORK_VIEW_SCOPE_TENANT:
return dbi.is_last_subnet_in_tenant(session, subnet_id, tenant_id)
if netview_scope == const.NETWORK_VIEW_SCOPE_NETWORK:
return dbi.is_last_subnet_in_network(session, subnet_id,
network_id)
if netview_scope == const.NETWORK_VIEW_SCOPE_SUBNET:
return True
return dbi.is_last_subnet(session, subnet_id)
def _is_member_releasable(self):
"""Determine if service members can be released."""
session = self.ib_cxt.context.session
subnet_id = self.ib_cxt.subnet.get('id')
network_id = self.ib_cxt.subnet.get('network_id')
tenant_id = self.ib_cxt.subnet.get('tenant_id')
netview_scope = self.ib_cxt.grid_config.default_network_view_scope
if netview_scope == const.NETWORK_VIEW_SCOPE_ADDRESS_SCOPE:
return dbi.is_last_subnet_in_address_scope(session, subnet_id)
if netview_scope == const.NETWORK_VIEW_SCOPE_TENANT:
return dbi.is_last_subnet_in_tenant(session, subnet_id, tenant_id)
if netview_scope == const.NETWORK_VIEW_SCOPE_NETWORK:
return dbi.is_last_subnet_in_network(session, subnet_id,
network_id)
if netview_scope == const.NETWORK_VIEW_SCOPE_SUBNET:
return True
return dbi.is_last_subnet(session, subnet_id)
