Improved logging for memcached

- Moved to the right folder to get it accessed on bare metal
  when containerized
- Making it work for rsyslog and logrotation's existing
  roles
- Changed the gate tests to reflect path change

Closes-Bug: #1569171

Change-Id: I3a1c2f50ab63b55b39318ba40c0921f6b738cafb

defaults/main.yml

@@ -13,6 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+## Verbosity Options
+debug: False
+verbose: False
+
 ## APT Cache Options
 cache_timeout: 600
 
@@ -28,7 +32,7 @@ memcached_memory: "{{ base_memcached_memory | int // 4 if base_memcached_memory
 memcached_port: 11211
 memcached_user: memcache
 memcached_listen: "127.0.0.1"
-memcached_log: /var/log/memcached.log
+memcached_log: /var/log/memcached/memcached.log
 memcached_connections: 1024
 memcached_threads: 4
 

tasks/memcached_config.yml

@@ -13,6 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+- name: Ensure logging folder exists
+  file:
+    path: "{{ memcached_log | dirname }}"
+    state: directory
+
 - name: Apply memcached config
   template:
     src: "memcached.conf"

templates/memcached.conf

@@ -1,6 +1,13 @@
 # {{ ansible_managed }}
 
 -d
+{% if debug | bool %}
+-vvv
+{% elif verbose | bool %}
+-vv
+{% else %}
+-v
+{% endif %}
 logfile {{ memcached_log }}
 -m {{ memcached_memory }}
 -p {{ memcached_port }}

tests/test.yml

@@ -28,7 +28,7 @@
         memcached_file_content: "{{ memcached_file.content | b64decode }}"
     - name: Open memcached log file
       stat:
-        path: /var/log/memcached.log
+        path: /var/log/memcached/memcached.log
       register: memcached_log
     - name: Check memcache is running
       shell: ps auxfww | grep 'memcache'
@@ -36,7 +36,7 @@
       assert:
         that:
           - "memcached_log.stat.exists"
-          - "'logfile /var/log/memcached.log' in memcached_file_content"
+          - "'logfile /var/log/memcached/memcached.log' in memcached_file_content"
           - "'-l 127.0.0.1' in memcached_file_content"
           - "'-c 1024' in memcached_file_content"
           - "'-t 4' in memcached_file_content"