Allow ansible_ssh_args to be set as an inventory variable

Before this change, ssh_args could be set only in the [ssh_connection]
section of ansible.cfg, and was applied to all hosts. Now it's possible
to set ansible_ssh_args as an inventory variable (directly, or through
group_vars or host_vars) to selectively override the global setting.

Note that the default ControlPath settings are applied only if ssh_args
is not set, and this is true of ansible_ssh_args as well. So if you want
to override ssh_args but continue to set ControlPath, you'll need to
repeat the appropriate options when setting ansible_ssh_args.

(If you only need to add options to the default ssh_args, you may be
able to use the ansible_ssh_extra_args inventory variable instead.)
pull/11908/head
Abhijit Menon-Sen 9 years ago
parent 37c1a5b679
commit 49f8edd035

@ -211,9 +211,11 @@ SSH connection::
The ssh password to use (this is insecure, we strongly recommend using --ask-pass or SSH keys)
ansible_ssh_private_key_file
Private key file used by ssh. Useful if using multiple keys and you don't want to use SSH agent.
ansible_ssh_args
This setting overrides any ``ssh_args`` configured in ``ansible.cfg``.
ansible_ssh_extra_args
Additional arguments for ssh. Useful to configure a ``ProxyCommand`` for a certain host (or group).
This is used in addition to any ``ssh_args`` configured in ``ansible.cfg``.
This is used in addition to any ``ssh_args`` configured in ``ansible.cfg`` or the inventory.
Privilege escalation (see :doc:`Ansible Privilege Escalation<become>` for further details)::

@ -59,11 +59,14 @@ class Connection(ConnectionBase):
self.host = self._play_context.remote_addr
self.ssh_extra_args = ''
self.ssh_args = ''
def set_host_overrides(self, host):
v = host.get_vars()
if 'ansible_ssh_extra_args' in v:
self.ssh_extra_args = v['ansible_ssh_extra_args']
if 'ansible_ssh_args' in v:
self.ssh_args = v['ansible_ssh_args']
@property
def transport(self):
@ -78,10 +81,10 @@ class Connection(ConnectionBase):
if self._connected:
return self
extra_args = C.ANSIBLE_SSH_ARGS
if extra_args is not None:
ssh_args = self.ssh_args or C.ANSIBLE_SSH_ARGS
if ssh_args is not None:
# make sure there is no empty string added as this can produce weird errors
self._common_args += [x.strip() for x in shlex.split(extra_args) if x.strip()]
self._common_args += [x.strip() for x in shlex.split(ssh_args) if x.strip()]
else:
self._common_args += (
"-o", "ControlMaster=auto",

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