Deprecate FWaaS

Change-Id: Ia2e5bba0a720ca201402bfac3e44d49ed598dc14
Needed-By: https://review.opendev.org/#/c/708675/

config.yaml

@@ -30,6 +30,9 @@ options:
       WARNING: Enabling this may affect your disk I/O performance since this
       may log ALL traffic being passed via gateway. Logging configuration
       such as thresholds and a destination log file are available in the neutron-gateway charm.
+      .
+      NOTE: Neutron FWaaS has been deprecated as of the OpenStack Ussuri
+      release and will be removed during the W cycle.
   enable-port-forwarding:
     type: boolean
     default: False

hooks/neutron_api_context.py

@@ -610,6 +610,8 @@ class NeutronCCContext(context.NeutronContext):
                 'train': ['router', 'firewall_v2', 'metering', 'segments',
                           ('neutron_dynamic_routing.'
                            'services.bgp.bgp_plugin.BgpPlugin')],
+                # TODO: FWaaS was deprecated at Ussuri and will be removed
+                # during the W cycle
             }
             if cmp_release >= 'rocky' and cmp_release < 'train':
                 if ctxt.get('load_balancer_name', None):
@@ -619,6 +621,8 @@ class NeutronCCContext(context.NeutronContext):
                     # TODO(fnordahl): Remove fall-back in next charm release
                     service_plugins[release].append('lbaasv2')
 
+            # TODO: FWaaS was deprecated at Ussuri and will be removed
+            # during the W cycle
             if cmp_release >= 'stein':
                 ctxt['firewall_v2'] = True
 

hooks/neutron_api_utils.py

@@ -99,6 +99,7 @@ BASE_PACKAGES = [
     'uuid',
 ]
 
+# TODO: FWaaS was deprecated at Ussuri and will be removed during the W cycle
 KILO_PACKAGES = [
     'python-neutron-lbaas',
     'python-neutron-fwaas',