Fix Ironic gating

Ironic gating was failing due to missing pip packages, additionally
there were some structural changes ro the inventory file which were
needed.

Change-Id: I77c40e7a49ebfbe05aac6d6a3d11ba9329c60413

defaults/main.yml

@@ -147,6 +147,8 @@ ironic_pip_packages:
   - ironic
   - python-ironicclient
   - python-swiftclient
+  - pycrypto
+  - python-memcached
 
 ironic_api_apt_packages:
   - apache2

tests/group_vars/all_containers.yml

@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ansible_ssh_host: "{{ ansible_host }}"
 container_name: "{{ inventory_hostname }}"
 container_networks:
   management_address:

tests/inventory

@@ -1,7 +1,7 @@
 [all]
 localhost ansible_connection=local ansible_become=True ansible_user=root
-infra1 ansible_host=10.100.100.101 ansible_become=True ansible_user=root
+infra1 ansible_ssh_host=10.100.100.101 ansible_host=10.100.100.101 ansible_become=True ansible_user=root
-ironic1 ansible_host=10.100.100.102 ansible_become=True ansible_user=root
+ironic1 ansible_ssh_host=10.100.100.102 ansible_host=10.100.100.102 ansible_become=True ansible_user=root
 
 # Note(mrda): 'ironicinstallhost' will need to externally resolve to where
 # you want to do an 'allinone' install, and the root account will need to have

tests/test-prepare-containers.yml

@@ -15,7 +15,6 @@
 
 - name: Playbook for creating containers
   hosts: all_containers
-  connection: local
   gather_facts: false
   roles:
     - role: "lxc_container_create"