Add regex check for ssh connection

This patch adds a check for the appropriate OpenSSH Daemon
reponse when waiting for the container to restart. This is
an optimisation over simply waiting for the TCP port.

Change-Id: Ie25af4f57bb98fb1d846d579b58b4d479b476675
Closes-Bug: #1476885

playbooks/galera-install.yml

@@ -87,6 +87,7 @@
       wait_for:
         port: "22"
         delay: 5
+        search_regex: "OpenSSH"
         host: "{{ ansible_ssh_host }}"
       delegate_to: "{{ physical_host }}"
       tags:

playbooks/os-ceilometer-install.yml

@@ -27,6 +27,7 @@
       wait_for:
         port: "22"
         delay: 5
+        search_regex: "OpenSSH"
         host: "{{ ansible_ssh_host }}"
       delegate_to: "{{ physical_host }}"
       tags:

playbooks/os-cinder-install.yml

@@ -77,6 +77,7 @@
       wait_for:
         port: "22"
         delay: 5
+        search_regex: "OpenSSH"
         host: "{{ ansible_ssh_host }}"
       delegate_to: "{{ physical_host }}"
       tags:

playbooks/os-glance-install.yml

@@ -38,6 +38,7 @@
       wait_for:
         port: "22"
         delay: 5
+        search_regex: "OpenSSH"
         host: "{{ ansible_ssh_host }}"
       delegate_to: "{{ physical_host }}"
       tags:

playbooks/os-neutron-install.yml

@@ -40,6 +40,7 @@
       wait_for:
         port: "22"
         delay: 5
+        search_regex: "OpenSSH"
         host: "{{ ansible_ssh_host }}"
       delegate_to: "{{ physical_host }}"
       tags:

playbooks/repo-server.yml

@@ -38,6 +38,7 @@
       wait_for:
         port: "22"
         delay: 5
+        search_regex: "OpenSSH"
         host: "{{ ansible_ssh_host }}"
       delegate_to: "{{ physical_host }}"
       tags:

playbooks/rsyslog-install.yml

@@ -42,6 +42,16 @@
       delegate_to: "{{ physical_host }}"
       tags:
         - flush-net-cache
+    - name: Wait for container ssh
+      wait_for:
+        port: "22"
+        delay: 5
+        search_regex: "OpenSSH"
+        host: "{{ ansible_ssh_host }}"
+      delegate_to: "{{ physical_host }}"
+      tags:
+        - rsyslog-ssh-wait
+
   roles:
     - { role: "rsyslog_server", tags: [ "rsyslog-server" ] }
     - role: "system_crontab_coordination"