Fix ACL sync when default sg group is created
Port group not being available in NB DB during ACL sync
is bit of a corner case but possible during the ML2/OVS
to ML2/OVN migration sync. It can also happen in ML2/OVN
only enviroment. See my detailed description of both
scenarios in the linked Bug.
The easiest fix is to just retry ALL port groups sync
one more time if ACL sync cant find a port group row. This
additional resync is really quick.
Closes-Bug: #2008943
Change-Id: Iac1472f7f896ea434deacb6d236ab469f4f6ed56
(cherry picked from commit 33cf2cdc83
)
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@ -24,6 +24,7 @@ from neutron_lib.plugins import constants as plugin_constants
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from neutron_lib.plugins import directory
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from neutron_lib.utils import helpers
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from oslo_log import log
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from ovsdbapp.backend.ovs_idl import idlutils
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from neutron.common.ovn import acl as acl_utils
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from neutron.common.ovn import constants as ovn_const
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@ -96,7 +97,6 @@ class OvnNbSynchronizer(OvnDbSynchronizer):
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LOG.debug("Starting OVN-Northbound DB sync process")
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ctx = context.get_admin_context()
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self.sync_port_groups(ctx)
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self.sync_networks_ports_and_dhcp_opts(ctx)
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self.sync_port_dns_records(ctx)
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@ -278,11 +278,32 @@ class OvnNbSynchronizer(OvnDbSynchronizer):
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'remove': num_acls_to_remove})
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if self.mode == SYNC_MODE_REPAIR:
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with self.ovn_api.transaction(check_error=True) as txn:
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for acla in neutron_acls:
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LOG.warning('ACL found in Neutron but not in '
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'OVN DB for port group %s', acla['port_group'])
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txn.add(self.ovn_api.pg_acl_add(**acla, may_exist=True))
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pg_resync_count = 0
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while True:
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try:
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with self.ovn_api.transaction(check_error=True) as txn:
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for acla in neutron_acls:
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LOG.warning('ACL found in Neutron but not in '
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'OVN DB for port group %s',
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acla['port_group'])
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txn.add(self.ovn_api.pg_acl_add(
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**acla, may_exist=True))
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except idlutils.RowNotFound as row_err:
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if row_err.msg.startswith("Cannot find Port_Group"):
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if pg_resync_count < 1:
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LOG.warning('Port group row was not found during '
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'ACLs sync. Will attempt to sync port '
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'groups one more time. The caught '
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'exception is: %s', row_err)
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self.sync_port_groups(ctx)
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pg_resync_count += 1
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continue
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LOG.error('Port group exception during ACL sync '
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'even after one more port group resync. '
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'The caught exception is: %s', row_err)
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else:
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raise
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break
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with self.ovn_api.transaction(check_error=True) as txn:
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for aclr in ovn_acls:
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