def get_fw_rule(self, rule_id):
rule = None<EOL>try:<EOL><INDENT>rule = self.neutronclient.show_firewall_rule(rule_id)<EOL><DEDENT>except Exception as exc:<EOL><INDENT>LOG.error("<STR_LIT>"<EOL>"<STR_LIT>", {'<STR_LIT:id>': rule_id, '<STR_LIT>': str(exc)})<EOL><DEDENT>return rule<EOL>
Return the firewall rule, given its ID.