Support multiple access and error log files for Fluentd

Get logs even if additional access and error logs exists, i.e.:
- srv01-access.log
- servicetest-error.log

Change-Id: I319c5c64a64bcef4e37f7086cbaf87f51f831217
Related-Bug: PROD-25399
diff --git a/nginx/meta/fluentd.yml b/nginx/meta/fluentd.yml
index cadb86b..017594d 100644
--- a/nginx/meta/fluentd.yml
+++ b/nginx/meta/fluentd.yml
@@ -8,7 +8,7 @@
           access_log:
             type: tail
             tag: nginx.access
-            path: /var/log/nginx/access.log
+            path: /var/log/nginx/*access.log
             pos_file: {{ pillar.fluentd.agent.dir.positiondb }}/nginx.access.pos
             parser:
               type: regexp
@@ -20,7 +20,7 @@
           error_log:
             type: tail
             tag: nginx.error
-            path: /var/log/nginx/error.log
+            path: /var/log/nginx/*error.log
             pos_file: {{ pillar.fluentd.agent.dir.positiondb }}/nginx.error.pos
             parser:
               type: regexp