Add rsyncd role to the MM crawlers

To provide access to the crawler logs on the mm frontend the crawlers
are now exporting their logs over rsync.

inventory/group_vars/mm-crawler

@@ -18,3 +18,6 @@ csi_relationship: |
     * what kinds of processes run here
     * what other services they depend on
     * what other services depend on it
+
+rsyncd_conf: "rsyncd.conf.crawler"
+tcp_ports: [ 873 ]

playbooks/groups/mirrormanager.yml

@@ -71,6 +71,7 @@
 
   roles:
   - mirrormanager/crawler
+  - rsyncd
 
   handlers:
   - include: "{{ handlers }}/restart_services.yml"

roles/rsyncd/files/rsyncd.conf.crawler

@@ -0,0 +1,16 @@
+pid file = /var/run/rsyncd.pid             
+syslog facility = daemon                   
+dont compress = *.gz *.tgz *.zip *.z *.rpm *.deb *.bz2 *.iso
+use chroot = false                                          
+transfer logging = false                                    
+exclude = .snapshot/ .~tmp~/ /.private/ /.private/** **/.nfs*
+
+
+# For distributing crawler logs to the mm frontend
+[crawler]
+comment = Crawler Logs
+path = /var/log/mirrormanager/crawler
+uid = mirrormanager
+gid = mirrormanager
+read only = yes
+hosts allow = 10.5.126.182