prevent a paramiko AttributeError in SSHClient

There's a bug in the paramiko library that causes an AttributeError when paramiko is looking for a known_hosts attribute on SSHClient. paramiko/paramiko#176 paramiko/paramiko#214 paramiko/paramiko#220
kanzure · Dec 27, 2013 · 77b8137 · 77b8137
1 parent 5263b20
commit 77b8137
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/boto/manage/cmdshell.py b/boto/manage/cmdshell.py
@@ -42,6 +42,14 @@ def __init__(self, server,
         self._pkey = paramiko.RSAKey.from_private_key_file(server.ssh_key_file,
                                                            password=ssh_pwd)
         self._ssh_client = paramiko.SSHClient()
+
+        # This prevents an AttributeError in paramiko 1.12.0 (and probably
+        # other versions).
+        # https://github.com/paramiko/paramiko/pull/176
+        # https://github.com/paramiko/paramiko/pull/214
+        # https://github.com/paramiko/paramiko/issues/220
+        self._ssh_client.known_hosts = None
+
         self._ssh_client.load_system_host_keys()
         self._ssh_client.load_host_keys(os.path.expanduser(host_key_file))
         self._ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())