allow use of list of ceph monitor

Author: raspbeguy

README.md

@@ -104,7 +104,7 @@ Role Variables
           `libvirt_volume_default_type`.
         - `capacity`: volume capacity, can be suffixed with k, M, G, T, P or E when type is `network` or MB,GB,TB, etc when type is `disk` (required when type is `disk` or `network`)
         - `auth`: Authentication details should they be required. If auth is required, `name`, `type`, and `token` or `usage` will need to be supplied. `token` and `usage` should not be both supplied.
-        - `source`: Where the remote volume comes from when type is `network`. `protocol`, `name`, `hostname` and `port` should be supplied.
+        - `source`: Where the remote volume comes from when type is `network`. `protocol`, `name`, and `hostname` or `hosts_list` should be supplied. `hostname` and `hosts_list` should not be both supplied. `port` is optional.
         - `format`: Format of the volume. All options for
           `libvirt_volume_default_format` are valid here. Default is
           `libvirt_volume_default_format`.

templates/vm.xml.j2

@@ -48,7 +48,13 @@
         {% endif %} {# End volume.auth.name check #}
         {% if volume.source.name is defined %}
         <source protocol='{{ volume.source.protocol }}' name='{{ volume.source.name }}'>
-          <host name='{{ volume.source.hostname }}' port='{{ volume.source.port }}'/>
+          {% if volume.source.hosts_list is defined and volume.source.hosts_list is not none %}
+          {% for host in volume.source.hosts_list %}
+          <host name='{{ host }}' {% if volume.source.port is defined and volume.source.port is not none %} port='{{ volume.source.port }}' {% endif %}/>
+	  {% endfor %}
+          {% else %}
+          <host name='{{ volume.source.hostname }}' {% if volume.source.port is defined and volume.source.port is not none %} port='{{ volume.source.port }}' {% endif %}/>
+          {% endif %}
         </source>
         {% endif %} {# End volume.source.name check #}
       {% else %} {# End elif volume.type is defined #}