feat(ssh-wrapper-speedup): major rewrite of code to address imports problem with ssh-wrapper-v2

- use bootstrapped settings rather than config
- use more code split to make sure we don't import heavy code

rhodecode/apps/ssh_support/lib/ssh_wrapper_v1.py

@@ -31,7 +31,6 @@ from .utils import setup_custom_logging
 log = logging.getLogger(__name__)
 
 
-
 @click.command()
 @click.argument('ini_path', type=click.Path(exists=True))
 @click.option(
@@ -55,11 +54,12 @@ def main(ini_path, mode, user, user_id, key_id, shell, debug):
     connection_info = os.environ.get('SSH_CONNECTION', '')
     time_start = time.time()
     with bootstrap(ini_path, env={'RC_CMD_SSH_WRAPPER': '1'}) as env:
+        settings = env['registry'].settings
         statsd = StatsdClient.statsd
         try:
             ssh_wrapper = SshWrapper(
                 command, connection_info, mode,
-                user, user_id, key_id, shell, ini_path, env)
+                user, user_id, key_id, shell, ini_path, settings, env)
         except Exception:
             log.exception('Failed to execute SshWrapper')
             sys.exit(-5)