Install the ssh configuration

def __install_ssh_config(self, config):
        """
        Install the ssh configuration
        """
        if not config.is_affirmative('use_global_ssh', default="no"):
            ssh_config_injection = self._build_ssh_config(config)

            if not os.path.exists(ssh_config_path):

                if self.injections.in_noninjected_file(ssh_config_path, "Host %s" % config.get('host')):
                    if config.is_affirmative('override'):
                        self.injections.inject(ssh_config_path, ssh_config_injection)
                else:
                    self.injections.inject(ssh_config_path, ssh_config_injection)

            else:
                self.injections.inject(ssh_config_path, ssh_config_injection)

            self.injections.commit()