[redhat] Install rsync-daemon for newer releases

The newer packages havee moved rsyncd into its own package called
rsync-daemon so we'll install that for anything newer than EL7.

Change-Id: Id1e8cc503d71cf6e7d0d84b5a74f6c3d7bce9393

tasks/repo_install.yml

@@ -55,7 +55,7 @@
 
 - name: Install distro packages
   package:
-    name: "{{ repo_server_distro_packages }}"
+    name: "{{ repo_server_distro_packages | reject('equalto', '') | list }}"
     state: "{{ repo_server_package_state }}"
     update_cache: "{{ (ansible_pkg_mgr == 'apt') | ternary('yes', omit) }}"
     cache_valid_time: "{{ (ansible_pkg_mgr == 'apt') | ternary(cache_timeout, omit) }}"
@@ -76,4 +76,4 @@
     src: "rsync.defaults"
     dest: "/etc/default/rsync"
   notify:
-    - reload rsyncd
+    - reload rsyncd

vars/redhat.yml

@@ -28,6 +28,7 @@ repo_server_distro_packages:
   - nginx
   - openssh-server
   - rsync
+  - "{% if ansible_distribution_major_version|int > 7 %}rsync-daemon{% endif %}"
   - sudo
 
 repo_lsyncd_config_file: /etc/lsyncd.conf