update permissions of wal-g related files (#190)

Author: dragarcia

ansible/tasks/setup-wal-g.yml

@@ -86,15 +86,15 @@
     state: directory
     owner: wal-g
     group: wal-g
-    mode: '0760'
+    mode: '0770'
 
 - name: Create /etc/wal-g/config.json
   file:
     path: /etc/wal-g/config.json
     state: touch
     owner: wal-g
     group: wal-g
-    mode: '0760'
+    mode: '0664'
 
 - name: Move custom wal-g.conf file to /etc/postgresql-custom/wal-g.conf
   template:

scripts/91-log_cleanup.sh

@@ -16,5 +16,5 @@ chown postgres:postgres /var/log/postgresql
 mkdir /var/log/wal-g
 cd /var/log/wal-g
 touch backup-push.log backup-fetch.log wal-push.log wal-fetch.log
-chown -R wal-g:wal-g /var/log/wal-g
-chmod -R 0700 /var/log/wal-g
+chown -R postgres:postgres /var/log/wal-g
+chmod -R 0300 /var/log/wal-g