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_reset_ea_for_network(self):
network_ea = {'CMP Type': {'value': 'OpenStack'},
'Cloud API Owned': {'value': 'True'},
'Tenant ID': {'value': 'test-id'},
'Tenant Name': {'value': 'tenant-name'},
'Account': {'value': 'admin'},
'Is External': {'value': 'False'},
'Is Shared': {'value': 'True'},
'Network ID': {'value': 'True'},
'Network Name': {'value': 'True'},
'Subnet ID': {'value': 'True'},
'Subnet Name': {'value': 'True'},
'Network Encap': {'value': 'gre'},
'Segmentation ID': {'value': 'segmentation-id'},
'Physical Network Name': {'value': 'physical-network'}}
ib_network_ea = ib_objects.EA.from_dict(network_ea)
ib_network_mock = mock.Mock(extattrs=ib_network_ea)
ea_manager.reset_ea_for_network(ib_network_mock)
expected_ea = {'Cloud API Owned': {'value': 'N/A'},
'CMP Type': {'value': 'N/A'},
'Tenant ID': {'value': 'N/A'}}
ib_network_mock.extattrs.ea_dict == expected_ea
def test_reset_ea_for_network(self):
network_ea = {
'CMP Type': {
'value': 'OpenStack'
},
'Cloud API Owned': {
'value': 'True'
},
'Tenant ID': {
'value': 'test-id'
},
'Tenant Name': {
'value': 'tenant-name'
},
'Account': {
'value': 'admin'
},
'Is External': {
'value': 'False'
},
'Is Shared': {
'value': 'True'
},
'Network ID': {
'value': 'True'
},
'Network Name': {
'value': 'True'
},
'Subnet ID': {
'value': 'True'
},
'Subnet Name': {
'value': 'True'
},
'Network Encap': {
'value': 'gre'
},
'Segmentation ID': {
'value': 'segmentation-id'
},
'Physical Network Name': {
'value': 'physical-network'
}
}
ib_network_ea = ib_objects.EA.from_dict(network_ea)
ib_network_mock = mock.Mock(extattrs=ib_network_ea)
ea_manager.reset_ea_for_network(ib_network_mock)
expected_ea = {
'Cloud API Owned': {
'value': 'N/A'
},
'CMP Type': {
'value': 'N/A'
},
'Tenant ID': {
'value': 'N/A'
}
}
ib_network_mock.extattrs.ea_dict == expected_ea
