Test pulp server connections defined in ~/.config/juicer/config.

def hello(self):
        """
        Test pulp server connections defined in ~/.config/juicer/config.
        """
        for env in self.args.environment:
            juicer.utils.Log.log_info("Trying to open a connection to %s, %s ...",
                                      env, self.connectors[env].base_url)
            try:
                _r = self.connectors[env].get()
                juicer.utils.Log.log_info("OK")
            except JuicerError:
                juicer.utils.Log.log_info("FAILED")
                continue

            juicer.utils.Log.log_info("Attempting to authenticate as %s",
                                      self.connectors[env].auth[0])

            _r = self.connectors[env].get('/repositories/')

            if _r.status_code == Constants.PULP_GET_OK:
                juicer.utils.Log.log_info("OK")
            else:
                juicer.utils.Log.log_info("FAILED")
                juicer.utils.Log.log_info("Server said: %s", _r.content)
                continue
        return True