def test_ovn_sb_sync_add_new_host(self):
with self.network() as network:
network_id = network['network']['id']
self.create_segment(network_id, 'physnet1', 50)
self.add_fake_chassis('host1', ['physnet1'])
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
self.assertFalse(segment_hosts)
self._sync_resources()
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
self.assertEqual({'host1'}, segment_hosts)
def test_ovn_sb_sync_add_new_host(self):
with self.network() as network:
network_id = network['network']['id']
self.create_segment(network_id, 'physnet1', 50)
self.add_fake_chassis('host1', ['physnet1'])
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
self.assertFalse(segment_hosts)
self._sync_resources()
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
self.assertEqual({'host1'}, segment_hosts)
def test_ovn_sb_sync_delete_stale_host(self):
with self.network() as network:
network_id = network['network']['id']
segment = self.create_segment(network_id, 'physnet1', 50)
segments_db.update_segment_host_mapping(self.ctx, 'host1',
{segment['id']})
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
self.assertEqual({'host1'}, segment_hosts)
# Since there is no chassis in the sb DB, host1 is the stale host
# recorded in neutron DB. It should be deleted after sync.
self._sync_resources()
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
self.assertFalse(segment_hosts)
def test_ovn_sb_sync_delete_stale_host(self):
with self.network() as network:
network_id = network['network']['id']
segment = self.create_segment(network_id, 'physnet1', 50)
segments_db.update_segment_host_mapping(
self.ctx, 'host1', {segment['id']})
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
self.assertEqual({'host1'}, segment_hosts)
# Since there is no chassis in the sb DB, host1 is the stale host
# recorded in neutron DB. It should be deleted after sync.
self._sync_resources()
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
self.assertFalse(segment_hosts)
def sync_hostname_and_physical_networks(self, ctx):
LOG.debug('OVN-SB Sync hostname and physical networks started')
host_phynets_map = self.ovn_api.get_chassis_hostname_and_physnets()
current_hosts = set(host_phynets_map)
previous_hosts = segments_db.get_hosts_mapped_with_segments(ctx)
stale_hosts = previous_hosts - current_hosts
for host in stale_hosts:
LOG.debug('Stale host %s found in Neutron, but not in OVN SB DB. '
'Clear its SegmentHostMapping in Neutron', host)
self.ovn_driver.update_segment_host_mapping(host, [])
new_hosts = current_hosts - previous_hosts
for host in new_hosts:
LOG.debug('New host %s found in OVN SB DB, but not in Neutron. '
'Add its SegmentHostMapping in Neutron', host)
self.ovn_driver.update_segment_host_mapping(
host, host_phynets_map[host])
for host in current_hosts & previous_hosts:
LOG.debug('Host %s found both in OVN SB DB and Neutron. '
'Trigger updating its SegmentHostMapping in Neutron, '
'to keep OVN SB DB and Neutron have consistent data',
host)
self.ovn_driver.update_segment_host_mapping(
host, host_phynets_map[host])
LOG.debug('OVN-SB Sync hostname and physical networks finished')
def sync_hostname_and_physical_networks(self, ctx):
LOG.debug('OVN-SB Sync hostname and physical networks started')
host_phynets_map = self.ovn_api.get_chassis_hostname_and_physnets()
current_hosts = set(host_phynets_map)
previous_hosts = segments_db.get_hosts_mapped_with_segments(ctx)
stale_hosts = previous_hosts - current_hosts
for host in stale_hosts:
LOG.debug(
'Stale host %s found in Neutron, but not in OVN SB DB. '
'Clear its SegmentHostMapping in Neutron', host)
self.ovn_driver.update_segment_host_mapping(host, [])
new_hosts = current_hosts - previous_hosts
for host in new_hosts:
LOG.debug(
'New host %s found in OVN SB DB, but not in Neutron. '
'Add its SegmentHostMapping in Neutron', host)
self.ovn_driver.update_segment_host_mapping(
host, host_phynets_map[host])
for host in current_hosts & previous_hosts:
LOG.debug(
'Host %s found both in OVN SB DB and Neutron. '
'Trigger updating its SegmentHostMapping in Neutron, '
'to keep OVN SB DB and Neutron have consistent data', host)
self.ovn_driver.update_segment_host_mapping(
host, host_phynets_map[host])
LOG.debug('OVN-SB Sync hostname and physical networks finished')
def test_ovn_sb_sync(self):
with self.network() as network:
network_id = network['network']['id']
seg1 = self.create_segment(network_id, 'physnet1', 50)
self.create_segment(network_id, 'physnet2', 51)
segments_db.update_segment_host_mapping(self.ctx, 'host1',
{seg1['id']})
segments_db.update_segment_host_mapping(self.ctx, 'host2',
{seg1['id']})
segments_db.update_segment_host_mapping(self.ctx, 'host3',
{seg1['id']})
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
self.assertEqual({'host1', 'host2', 'host3'}, segment_hosts)
self.add_fake_chassis('host2', ['physnet2'])
self.add_fake_chassis('host3', ['physnet3'])
self.add_fake_chassis('host4', ['physnet1'])
self._sync_resources()
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
# host1 should be cleared since it is not in the chassis DB. host3
# should be cleared since there is no segment for mapping.
self.assertEqual({'host2', 'host4'}, segment_hosts)
def test_ovn_sb_sync(self):
with self.network() as network:
network_id = network['network']['id']
seg1 = self.create_segment(network_id, 'physnet1', 50)
self.create_segment(network_id, 'physnet2', 51)
segments_db.update_segment_host_mapping(
self.ctx, 'host1', {seg1['id']})
segments_db.update_segment_host_mapping(
self.ctx, 'host2', {seg1['id']})
segments_db.update_segment_host_mapping(
self.ctx, 'host3', {seg1['id']})
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
self.assertEqual({'host1', 'host2', 'host3'}, segment_hosts)
self.add_fake_chassis('host2', ['physnet2'])
self.add_fake_chassis('host3', ['physnet3'])
self.add_fake_chassis('host4', ['physnet1'])
self._sync_resources()
segment_hosts = segments_db.get_hosts_mapped_with_segments(self.ctx)
# host1 should be cleared since it is not in the chassis DB. host3
# should be cleared since there is no segment for mapping.
self.assertEqual({'host2', 'host4'}, segment_hosts)
