Ensure that SSHD is installed, enabled and running

The keystone containers rely on SSHD for the key synchronisation,
so in this patch we ensure that it is installed, enabled and
running.

Change-Id: I044c080dba1068f79f4018b54b8ad120192b3932

tasks/keystone_post_install.yml

@@ -13,6 +13,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+- name: Enable SSHD
+  systemd:
+    name: sshd
+    state: started
+    enabled: yes
+    masked: no
+    daemon_reload: yes
+
 - name: Generate the keystone system user ssh key
   user:
     name: "{{ keystone_system_user_name }}"

vars/redhat-7.yml

@@ -18,6 +18,7 @@ keystone_distro_packages:
   - cronie
   - cronie-anacron
   - git
+  - openssh-server
   - rsync
 
 keystone_devel_distro_packages:

vars/suse.yml

@@ -18,6 +18,7 @@ keystone_distro_packages:
   - ca-certificates
   - cronie
   - git-core
+  - openssh
   - rsync
 
 keystone_devel_distro_packages:

vars/ubuntu.yml

@@ -15,6 +15,7 @@
 
 keystone_distro_packages:
   - git
+  - openssh-server
   - rsync
 
 keystone_devel_distro_packages: