Fix Barbican API log config

There are a few issues fixed here:

- The Barbican API service doesn't set a log file, so all the Barbican API
  service logs go to loadwsgi.py.log by default.
- The logs in loadwsgi.py.log are not ingested properly by Fluentd.
- uWSGI logs go to barbican-api.log. This would normally be used as the log
  file for the Barbican API service logs.

This patch makes the following changes to address the above issues:

- All uWSGI logs (from the Emperor and Vassals) go to barbican_api_uwsgi_access.log
  Although these logs aren't strictly all access logs, this follows the existing
  pattern for WSGI logs.
- The Barbican API service logs are written to barbican-api.log instead of
  loadwsgi.py.log. This follows the pattern used by other OpenStack services.
- Fluentd is configured to parse the Barbican API service logs as it would with
  other OpenStack Python services.

Change-Id: I6d03fa8c81c52b6f061514a836bbd15bb6639aaf
Closes-Bug: #1891343

ansible/roles/barbican/templates/barbican-api.ini.j2

@@ -12,3 +12,4 @@ memory-report = true
 plugins = python3
 paste = config:/etc/barbican/barbican-api-paste.ini
 add-header = Connection: close
+logto = /var/log/kolla/barbican/barbican_api_uwsgi_access.log

ansible/roles/barbican/templates/barbican-api.json.j2

@@ -1,5 +1,5 @@
 {
-    "command": "uwsgi --master --emperor /etc/barbican/vassals --logto /var/log/kolla/barbican/barbican-api.log --logfile-chmod 644",
+    "command": "uwsgi --master --emperor /etc/barbican/vassals --logto /var/log/kolla/barbican/barbican_api_uwsgi_access.log --logfile-chmod 644",
     "config_files": [
         {
             "source": "{{ container_config_directory }}/barbican.conf",

ansible/roles/barbican/templates/barbican.conf.j2

@@ -1,6 +1,9 @@
 [DEFAULT]
 debug = {{ barbican_logging_debug }}
 log_dir = /var/log/kolla/barbican
+{% if service_name == "barbican-api" %}
+log_file = barbican-api.log
+{% endif %}
 
 bind_port = {{ barbican_api_listen_port }}
 bind_host = {{ api_interface_address }}

ansible/roles/common/templates/conf/filter/01-rewrite-0.12.conf.j2

@@ -2,7 +2,7 @@
     @type rewrite_tag_filter
     capitalize_regex_backreference yes
     rewriterule1 programname ^(cinder-api-access|cloudkitty-api-access|gnocchi-api-access|horizon-access|keystone-apache-admin-access|keystone-apache-public-access|monasca-api-access|placement-api-access|panko-api-access)$ apache_access
-    rewriterule2 programname ^(aodh_wsgi_access|barbican-api|zun_api_wsgi_access|vitrage_wsgi_access)$ wsgi_access
+    rewriterule2 programname ^(aodh_wsgi_access|barbican_api_uwsgi_access|zun_api_wsgi_access|vitrage_wsgi_access)$ wsgi_access
     rewriterule3 programname ^(nova-api|nova-compute|nova-compute-ironic|nova-conductor|nova-manage|nova-novncproxy|nova-scheduler|nova-placement-api|placement-api|privsep-helper)$ openstack_python
     rewriterule4 programname ^(sahara-api|sahara-engine)$ openstack_python
     rewriterule5 programname ^(neutron-server|neutron-openvswitch-agent|neutron-ns-metadata-proxy|neutron-metadata-agent|neutron-l3-agent|neutron-dhcp-agent)$ openstack_python
@@ -12,7 +12,7 @@
     rewriterule9 programname ^(glance-api)$ openstack_python
     rewriterule10 programname ^(cloudkitty-storage-init|cloudkitty-processor|cloudkitty-dbsync|cloudkitty-api)$ openstack_python
     rewriterule11 programname ^(ceilometer-polling|ceilometer-agent-notification)$ openstack_python
-    rewriterule12 programname ^(barbican-worker|barbican-keystone-listener|barbican-db-manage|app)$ openstack_python
+    rewriterule12 programname ^(barbican-api|barbican-worker|barbican-keystone-listener|barbican-db-manage|app)$ openstack_python
     rewriterule13 programname ^(aodh-notifier|aodh-listener|aodh-evaluator|aodh-dbsync)$ openstack_python
     rewriterule14 programname ^(cinder-api|cinder-scheduler|cinder-manage|cinder-volume|cinder-backup|privsep-helper)$ openstack_python
     rewriterule15 programname ^(mistral-server|mistral-engine|mistral-executor)$ openstack_python

ansible/roles/common/templates/conf/filter/01-rewrite-0.14.conf.j2

@@ -8,7 +8,7 @@
   </rule>
   <rule>
     key     programname
-    pattern ^(aodh_wsgi_access|barbican-api|zun_api_wsgi_access|vitrage_wsgi_access)$
+    pattern ^(aodh_wsgi_access|barbican_api_uwsgi_access|zun_api_wsgi_access|vitrage_wsgi_access)$
     tag wsgi_access
   </rule>
   <rule>
@@ -58,7 +58,7 @@
   </rule>
   <rule>
     key     programname
-    pattern ^(barbican-worker|barbican-keystone-listener|barbican-db-manage|app)$
+    pattern ^(barbican-api|barbican-worker|barbican-keystone-listener|barbican-db-manage|app)$
     tag openstack_python
   </rule>
   <rule>

releasenotes/notes/fix-barbican-logging-42068f47fe1e4e4d.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixes some configuration issues around Barbican logging. `LP#1891343
+    <https://bugs.launchpad.net/kolla-ansible/+bug/1891343>`__