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Thu, 30 Oct 2025 05:25:54 -0700 (PDT) Received: from imac ([2a02:8010:60a0:0:3088:3c7e:2941:e648]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-477289adaf8sm46592765e9.7.2025.10.30.05.25.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Oct 2025 05:25:53 -0700 (PDT) From: Donald Hunter To: Ratheesh Kannoth Cc: "netdev@vger.kernel.org" Subject: Re: ynl with nftables.yaml In-Reply-To: Date: Thu, 30 Oct 2025 12:25:17 +0000 Message-ID: References: User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Ratheesh Kannoth writes: > Hi List, > > When I get below error, when I execute the example command mentioned in https://lwn.net/Articles/970364/ . > > #################### > root@localhost:~/linux# ./tools/net/ynl/pyynl/cli.py --spec Documentation/netlink/specs/nftables.yaml --multi batch-begin '{"res-id": 10}' --multi newtable '{"name": "test", "nfgen-family": 1}' --multi newchain '{"name": "chain", "table": "test", "nfgen-family": 1}' --multi batch-end '{"res-id": 10}' > Traceback (most recent call last): > File "/root/linux/./tools/net/ynl/pyynl/cli.py", line 163, in > main() > ~~~~^^ > File "/root/linux/./tools/net/ynl/pyynl/cli.py", line 123, in main > ynl = YnlFamily(spec, args.schema, args.process_unknown, > recv_size=args.dbg_small_recv) > File "/root/linux/tools/net/ynl/pyynl/lib/ynl.py", line 468, in __init__ > super().__init__(def_path, schema) > ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^ > File "/root/linux/tools/net/ynl/pyynl/lib/nlspec.py", line 462, in __init__ > jsonschema.validate(self.yaml, schema) > ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^ > File "/usr/local/lib/python3.13/site-packages/jsonschema/validators.py", line 1332, in validate > raise error > jsonschema.exceptions.ValidationError: 'set id' does not match '^[0-9a-z-]+$' > > Failed validating 'pattern' in schema['properties']['attribute-sets']['items']['properties']['attributes']['items']['properties']['name']: > {'type': 'string', 'pattern': '^[0-9a-z-]+$'} > > On instance['attribute-sets'][34]['attributes'][1]['name']: > 'set id' Yes, there is an invalid attribute name in nftables.yaml. The attribute should be set-id