Don't throw away useful stdout and stderr. Fixes #8418

When supplying a sudo password to a server that uses passwordless sudo,
we should not throw away useful stdout and stderr. This is particularly
important for modules that perform md5 checks as part of the pre module
execution.

lib/ansible/runner/connection_plugins/ssh.py

@@ -301,6 +301,8 @@ class Connection(object):
 
         self._send_password()
 
+        no_prompt_out = ''
+        no_prompt_err = ''
         if (self.runner.sudo and sudoable and self.runner.sudo_pass) or \
                 (self.runner.su and su and self.runner.su_pass):
             # several cases are handled for sudo privileges with password
@@ -351,6 +353,9 @@ class Connection(object):
                     stdin.write(self.runner.sudo_pass + '\n')
                 elif su:
                     stdin.write(self.runner.su_pass + '\n')
+            else:
+                no_prompt_out += sudo_output
+                no_prompt_err += sudo_errput
 
         (returncode, stdout, stderr) = self._communicate(p, stdin, in_data, su=su, sudoable=sudoable, prompt=prompt)
 
@@ -371,7 +376,7 @@ class Connection(object):
         if p.returncode == 255 and (in_data or self.runner.module_name == 'raw'):
             raise errors.AnsibleError('SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh')
 
-        return (p.returncode, '', stdout, stderr)
+        return (p.returncode, '', no_prompt_out + stdout, no_prompt_err + stderr)
 
     def put_file(self, in_path, out_path):
         ''' transfer a file from local to remote '''