Merge "Fix the Prechecks failed while checking docker version"

ansible/roles/prechecks/tasks/service_checks.yml

 ---
 - name: Checking Docker version
-  command: docker version
+  command: docker --version
   register: result
   changed_when: false
   when: inventory_hostname in groups['baremetal']
   failed_when: result | failed
-               or (result.stdout | from_yaml).Server.Version | regex_replace('(\\d+\\.\\d+\\.\\d+).*', '\\1') | version_compare(docker_version_min, '<')
+               or result.stdout | regex_replace('.*(\\d+\\.\\d+\\.\\d+).*', '\\1') | version_compare(docker_version_min, '<')
 
 # NOTE(mgoddard): If passwords.yml is encrypted using ansible-vault, this check
 # will pass, but only because nothing in the vault file has the format of a