Updated host prep tasks

Change so that local ssh is no longer assumed to be available. The
tasks for keyfile generation and insertion as root are now done
in the same place.

When running on an APT systems the backports repo will be made available
if its found within the sources list file.

Change-Id: I9c16378cee3862cd8ce2d87e8c5483533f98c94d
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>

common-tasks/test-force-package-cache-update.yml

@@ -13,6 +13,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# The "command" module is used here instead of "lineinfile" because all we
+#  want to do is uncomment the backports repo if its found.
+- name: Ensure trusty-backports are available
+  command: "sed -i '/deb.*-backports/s|^#\\s||g' /etc/apt/sources.list"
+  when:
+    - ansible_pkg_mgr == 'apt'
+
 - name: First ensure apt cache is always refreshed
   apt:
     update_cache: true

test-prepare-host.yml

@@ -20,11 +20,6 @@
     - include: "common-tasks/test-set-nodepool-vars.yml"
     - name: Clear iptables rules
       shell: "{{ playbook_dir }}/iptables-clear.sh"
-    - name: Ensure roots new public ssh key is in authorized_keys
-      authorized_key:
-        user: root
-        key: "{{ hostvars['localhost']['lxc_container_ssh_key'] }}"
-        manage_dir: no
     - set_fact:
         lxc_container_ssh_key: "{{ hostvars['localhost']['lxc_container_ssh_key'] }}"
   roles:

test-prepare-keys.yml

@@ -18,6 +18,8 @@
 #       inventory
 - name: Playbook for establishing ssh keys
   hosts: localhost
+  connection: local
+  gather_facts: false
   become_user: root
   tasks:
     - name: Create ssh key pair for root
@@ -31,3 +33,7 @@
       register: key_get
     - set_fact:
         lxc_container_ssh_key: "{{ key_get.stdout }}"
+    - name: Ensure root can ssh to localhost
+      authorized_key:
+        user: "root"
+        key: "{{ lxc_container_ssh_key }}"