Add bastion specific play to bootstrap

This tries to solve the chicken / egg issue of bootstrapping ansible on
our bastion nodes.  Since we use ansible to launch all our servers, we
can add an additional check here to properly configure ansible on our
bastion node so we can then run ansible directly from it.

Change-Id: I38904738068435a2efaa5af7283fcbabbdc1628d
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

playbooks/bootstrap/site.yaml

@@ -26,3 +26,10 @@
     - name: Setup openstack.virtualenv role
       include_role:
         name: openstack.virtualenv
+
+- name: Bootstrap bastion hosts
+  hosts: bastion,!disabled
+  tasks:
+    - name: Setup openstack.ansible role
+      include_role:
+        name: openstack.ansible

tools/requirements.yaml

@@ -1,4 +1,7 @@
 ---
+- name: openstack.ansible
+  src: git+https://git.openstack.org/openstack/ansible-role-ansible
+
 - name: openstack.sudoers
   src: git+https://git.openstack.org/openstack/ansible-role-sudoers