[CORD-1145]
Option to enable apt-cache, conform feature toggles

Change-Id: I560808f4bf292063f9a5d6826b247520e5df3a04
diff --git a/roles/create-lxd/defaults/main.yml b/roles/create-lxd/defaults/main.yml
index 891ed45..f4974cb 100644
--- a/roles/create-lxd/defaults/main.yml
+++ b/roles/create-lxd/defaults/main.yml
@@ -10,3 +10,4 @@
 hwaddr_prefix: "c2a4"
 mgmt_ipv4_first_octets: "192.168.200"
 
+use_maas: False
diff --git a/roles/create-lxd/tasks/main.yml b/roles/create-lxd/tasks/main.yml
index ecf095a..b27e08c 100644
--- a/roles/create-lxd/tasks/main.yml
+++ b/roles/create-lxd/tasks/main.yml
@@ -55,19 +55,19 @@
   with_items: "{{ head_lxd_list }}"
 
 - name: fetch IP of DHCP harvester
-  when: on_maas
+  when: use_maas
   command: docker-ip harvester
   register: harvester_ip
   changed_when: False
 
 - name: force a harvest to get container name resolution
-  when: on_maas
+  when: use_maas
   uri:
     url: http://{{ harvester_ip.stdout }}:8954/harvest
     method: POST
 
 - name: wait for container name resolution
-  when: on_maas
+  when: use_maas
   host_dns_check:
     hosts: "{{ head_lxd_list | map(attribute='name') | list | to_json }}"
     command_on_fail: "curl -sS --connect-timeout 3 -XPOST http://{{ harvester_ip.stdout }}:8954/harvest"