def delete_subnet(self, ib_network=None):
"""Frees up resources taken by the subnet and removes the subnet.
Resources to be released are
- DHCP/DNS members are freed if not shared by other subnet(s).
- Network view mapping is removed.
- Authority member is not freed up for GM but taken care by the agent
since it is hard to determine at the subnet scope.
"""
session = self.ib_cxt.context.session
subnet = self.ib_cxt.subnet
network = self.ib_cxt.network
network_view = self.ib_cxt.mapping.network_view
network_id = network.get('id')
subnet_id = subnet.get('id')
cidr = subnet.get('cidr')
# subnet id is already gone since community plugin already called
# subnet delete in db level by the time ipam driver reaches here.
dbi.dissociate_network_view(session, network_id, subnet_id)
subnet_deletable = (not self.ib_cxt.network_is_shared_or_external or
self.grid_config.admin_network_deletion)
if subnet_deletable:
ib_ipv4_networks = ib_objects.NetworkV4.search_all(
self.ib_cxt.connector, network_view=network_view)
ib_ipv6_networks = ib_objects.NetworkV6.search_all(
self.ib_cxt.connector, network_view=network_view)
is_last_subnet_in_netview = (len(ib_ipv4_networks) +
len(ib_ipv6_networks)) == 1
self._release_service_members(is_last_subnet_in_netview)
# delete ib network
self.ib_cxt.ibom.delete_network(network_view, cidr)
# if no more network exists, remove network view
if is_last_subnet_in_netview:
self._remove_network_view()
self._restart_services()
else:
eam.reset_ea_for_network(ib_network)
ib_network.update()
ib_ranges = ib_objects.IPRange.search_all(
self.ib_cxt.connector,
network_view=network_view,
network=cidr)
for ib_range in ib_ranges:
eam.reset_ea_for_range(ib_range)
ib_range.update()
def delete_subnet(self, ib_network=None):
"""Frees up resources taken by the subnet and removes the subnet.
Resources to be released are
- DHCP/DNS members are freed if not shared by other subnet(s).
- Network view mapping is removed.
- Authority member is not freed up for GM but taken care by the agent
since it is hard to determine at the subnet scope.
"""
session = self.ib_cxt.context.session
subnet = self.ib_cxt.subnet
network = self.ib_cxt.network
network_view = self.ib_cxt.mapping.network_view
network_id = network.get('id')
subnet_id = subnet.get('id')
cidr = subnet.get('cidr')
# subnet id is already gone since community plugin already called
# subnet delete in db level by the time ipam driver reaches here.
dbi.dissociate_network_view(session, network_id, subnet_id)
subnet_deletable = (not self.ib_cxt.network_is_shared_or_external or
self.grid_config.admin_network_deletion)
if subnet_deletable:
ib_ipv4_networks = ib_objects.NetworkV4.search_all(
self.ib_cxt.connector, network_view=network_view)
ib_ipv6_networks = ib_objects.NetworkV6.search_all(
self.ib_cxt.connector, network_view=network_view)
is_last_subnet_in_netview = (len(ib_ipv4_networks) +
len(ib_ipv6_networks)) == 1
self._release_service_members(is_last_subnet_in_netview)
# delete ib network
self.ib_cxt.ibom.delete_network(network_view, cidr)
# if no more network exists, remove network view
if is_last_subnet_in_netview:
self._remove_network_view()
self._restart_services()
else:
eam.reset_ea_for_network(ib_network)
ib_network.update()
ib_ranges = ib_objects.IPRange.search_all(
self.ib_cxt.connector,
network_view=network_view,
network=cidr)
for ib_range in ib_ranges:
eam.reset_ea_for_range(ib_range)
ib_range.update()
def test_network_view_mapping(self):
# prepare grid
self._create_default_grid()
# prepare members
self._create_simple_members()
db_members = infoblox_db.get_members(self.ctx.session)
gm_member = utils.find_one_in_list('member_type', 'GM', db_members)
# prepare network
network = models_v2.Network(name="Test Network", status="ON",
admin_state_up=True)
self.ctx.session.add(network)
self.ctx.session.flush()
# prepare network view
netview_dict = {'hs-view-1': gm_member.member_id}
self._create_network_views(netview_dict)
db_network_views = infoblox_db.get_network_views(self.ctx.session)
network_view_id = db_network_views[0].id
# test associate network view
network_id = network.id
subnet_id = 'test-subnet-id'
infoblox_db.associate_network_view(self.ctx.session, network_view_id,
network_id, subnet_id)
db_network_view_mappings = infoblox_db.get_network_view_mappings(
self.ctx.session)
self.assertEqual(network_id, db_network_view_mappings[0].network_id)
self.assertEqual(subnet_id, db_network_view_mappings[0].subnet_id)
db_network_views = infoblox_db.get_network_view_by_mapping(
self.ctx.session,
network_id=network_id,
subnet_id=subnet_id)
self.assertEqual(network_view_id, db_network_views[0].id)
# test dissociate network view
infoblox_db.dissociate_network_view(self.ctx.session, network_id,
subnet_id)
db_network_view_mappings = infoblox_db.get_network_view_mappings(
self.ctx.session, network_id=network_id, subnet_id=subnet_id)
self.assertEqual([], db_network_view_mappings)
def test_network_view_mapping(self):
# prepare grid
self._create_default_grid()
# prepare members
self._create_simple_members()
db_members = infoblox_db.get_members(self.ctx.session)
gm_member = utils.find_one_in_list('member_type', 'GM', db_members)
# prepare network
network = models_v2.Network(name="Test Network", status="ON",
admin_state_up=True)
self.ctx.session.add(network)
self.ctx.session.flush()
# prepare network view
netview_dict = {'hs-view-1': gm_member.member_id}
self._create_network_views(netview_dict)
db_network_views = infoblox_db.get_network_views(self.ctx.session)
network_view_id = db_network_views[0].id
# test associate network view
network_id = network.id
subnet_id = 'test-subnet-id'
infoblox_db.associate_network_view(self.ctx.session, network_view_id,
network_id, subnet_id)
db_network_view_mappings = infoblox_db.get_network_view_mappings(
self.ctx.session)
self.assertEqual(network_id, db_network_view_mappings[0].network_id)
self.assertEqual(subnet_id, db_network_view_mappings[0].subnet_id)
db_network_views = infoblox_db.get_network_view_by_mapping(
self.ctx.session,
network_id=network_id,
subnet_id=subnet_id)
self.assertEqual(network_view_id, db_network_views[0].id)
# test dissociate network view
infoblox_db.dissociate_network_view(self.ctx.session, network_id,
subnet_id)
db_network_view_mappings = infoblox_db.get_network_view_mappings(
self.ctx.session, network_id=network_id, subnet_id=subnet_id)
self.assertEqual([], db_network_view_mappings)
