fluentd: Add placement to list of supported services

Closes-Bug: #2095607
Change-Id: Ie1372ce307011c6f2560c7f1fcd520187810fab8
(cherry picked from commit fec66c1334fe798d073954002a668662065be277)
(cherry picked from commit 1845fb8100cc3f3031cfe238c091ecbb2224026f)
(cherry picked from commit 81c2d0725e313a149fcc3a847dae4c89d68592c9)

ansible/roles/common/defaults/main.yml

@@ -198,6 +198,8 @@ fluentd_input_openstack_services:
     enabled: "{{ enable_nova | bool }}"
   - name: octavia
     enabled: "{{ enable_octavia | bool }}"
+  - name: placement
+    enabled: "{{ enable_placement | bool }}"
   - name: tacker
     enabled: "{{ enable_tacker | bool }}"
   - name: trove

ansible/roles/placement/templates/placement-api-wsgi.conf.j2

@@ -28,7 +28,7 @@ LogLevel info
     <IfVersion >= 2.4>
       ErrorLogFormat "%{cu}t %M"
     </IfVersion>
-    ErrorLog "{{ log_dir }}/placement-api.log"
+    ErrorLog "{{ log_dir }}/placement-api-error.log"
     LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b %D \"%{Referer}i\" \"%{User-Agent}i\"" logformat
     CustomLog "{{ log_dir }}/placement-api-access.log" logformat
     <Directory {{ wsgi_directory }}>

releasenotes/notes/bug-2095607-f4d9d5aebebddfc8.yaml

@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    Fixes Apache and placement writing to the same log file.
+    Apache placement VirtualHost ErrorLog has been renamed to
+    ``placement-api-error.log`` (similar to other services).
+    `LP#[2095607] <https://launchpad.net/bugs/2095607>`__