Enabling log compression by default

Most of the logs are compressed already based on configurations in
/etc/logrotate.d, but this patch ensures that the remaining logs are
compressed during the rotation process.

Closes-Bug: 1493981

Change-Id: If11c6d3a292b3621c00a8d0b775274a8096eaa66
(cherry picked from commit 424377ff17)

playbooks/roles/rsyslog_client/tasks/rsyslog_client_post_install.yml

@@ -54,6 +54,15 @@
   tags:
     - rsyslog-client-config
 
+- name: Configure logrotate to compress logs by default
+  lineinfile:
+    dest: /etc/logrotate.conf
+    regexp: "^#compress"
+    line: "compress"
+    backrefs: yes
+  tags:
+    - rsyslog-client-config
+
 - name: Start rsyslog
   service:
     name: "rsyslog"

playbooks/roles/rsyslog_server/tasks/rsyslog_server_post_install.yml

@@ -44,6 +44,15 @@
   tags:
     - rsyslog-config
 
+- name: Configure logrotate to compress logs by default
+  lineinfile:
+    dest: /etc/logrotate.conf
+    regexp: "^#compress"
+    line: "compress"
+    backrefs: yes
+  tags:
+    - rsyslog-config
+
 - name: Start rsyslog
   service:
     name: "rsyslog"