Fixes #25481 - Set ProxyCommand=none for Ansible

In case of IPA there's a ProxyCommand set that handles known hosts, but
foreman_ansible has its own way of handling known hosts. This sets the
ssh args to force override this.

manifests/plugin/ansible.pp

@@ -22,13 +22,16 @@
 #
 # $stdout_callback:: Ansible's stdout_callback setting
 #
+# $ssh_args::          The ssh_args parameter in ansible.cfg under [ssh_connection]
+#
 class foreman_proxy::plugin::ansible (
   Boolean $enabled = $::foreman_proxy::plugin::ansible::params::enabled,
   Foreman_proxy::ListenOn $listen_on = $::foreman_proxy::plugin::ansible::params::listen_on,
   Stdlib::Absolutepath $ansible_dir = $::foreman_proxy::plugin::ansible::params::ansible_dir,
   Optional[Stdlib::Absolutepath] $working_dir = $::foreman_proxy::plugin::ansible::params::working_dir,
   Boolean $host_key_checking = $::foreman_proxy::plugin::ansible::params::host_key_checking,
   String $stdout_callback = $::foreman_proxy::plugin::ansible::params::stdout_callback,
+  String $ssh_args = $::foreman_proxy::plugin::ansible::params::ssh_args,
 ) inherits foreman_proxy::plugin::ansible::params {
   $foreman_url = $::foreman_proxy::foreman_base_url
   $foreman_ssl_cert = pick($::foreman_proxy::foreman_ssl_cert, $::foreman_proxy::ssl_cert)

manifests/plugin/ansible/params.pp

@@ -6,4 +6,5 @@
   $working_dir = '/tmp'
   $host_key_checking = false
   $stdout_callback = 'yaml'
+  $ssh_args = '-o ProxyCommand=none'
 }

templates/plugin/ansible.cfg.erb

@@ -9,3 +9,6 @@ url = <%= @foreman_url %>
 ssl_cert = <%= @foreman_ssl_cert %>
 ssl_key = <%= @foreman_ssl_key %>
 verify_certs = <%= @foreman_ssl_ca %>
+
+[ssh_connection]
+ssh_args = <%= @ssh_args %>