Fix hang on unkown host key for network_cli (#32937)

* Don't prompt on force_persistent either

* Propagate persistence setting to lower paramiko connection

lib/ansible/plugins/connection/network_cli.py

@@ -78,7 +78,6 @@ class Connection(ConnectionBase):
     def __init__(self, play_context, new_stdin, *args, **kwargs):
         super(Connection, self).__init__(play_context, new_stdin, *args, **kwargs)
 
-        self.ssh = None
         self._ssh_shell = None
 
         self._matched_prompt = None
@@ -164,12 +163,12 @@ class Connection(ConnectionBase):
 
         p = connection_loader.get('paramiko', self._play_context, '/dev/null')
         p.set_options(direct={'look_for_keys': bool(self._play_context.password and not self._play_context.private_key_file)})
+        p.force_persistence = self.force_persistence
         ssh = p._connect()
-        self.ssh = ssh.ssh
 
         display.vvvv('ssh connection done, setting terminal', host=self._play_context.remote_addr)
 
-        self._ssh_shell = self.ssh.invoke_shell()
+        self._ssh_shell = ssh.ssh.invoke_shell()
         self._ssh_shell.settimeout(self._play_context.timeout)
 
         network_os = self._play_context.network_os

lib/ansible/plugins/connection/paramiko_ssh.py

@@ -188,7 +188,7 @@ class MyAddPolicy(object):
             fingerprint = hexlify(key.get_fingerprint())
             ktype = key.get_name()
 
-            if C.USE_PERSISTENT_CONNECTIONS:
+            if C.USE_PERSISTENT_CONNECTIONS or self.connection.force_persistence:
                 # don't print the prompt string since the user cannot respond
                 # to the question anyway
                 raise AnsibleError(AUTHENTICITY_MSG[1:92] % (hostname, ktype, fingerprint))