Commit 362d051c authored by Donald Hunter's avatar Donald Hunter Committed by Jakub Kicinski
Browse files

tools: ynl: add schema checking 



Add a --validate flag to pyynl for explicit schema check with error
reporting and add a schema_check make target to check all YNL specs.

make -C tools/net/ynl schema_check
make: Entering directory '/home/donaldh/net-next/tools/net/ynl'
ok 1 binder.yaml schema validation
not ok 2 conntrack.yaml schema validation
'labels mask' 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'][14]['attributes'][22]['name']:
    'labels mask'

ok 3 devlink.yaml schema validation
[...]

Signed-off-by: default avatarDonald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20251127123502.89142-2-donald.hunter@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 2c80116b

tools/net/ynl/Makefile

+19 −1
Original line number Diff line number Diff line
@@ -12,6 +12,8 @@ endif 
libdir  ?= $(prefix)/$(libdir_relative)

includedir ?= $(prefix)/include



SPECDIR=../../../Documentation/netlink/specs



SUBDIRS = lib generated samples ynltool tests



all: $(SUBDIRS) libynl.a
@@ -54,4 +56,20 @@ install: libynl.a lib/*.h 
run_tests:

	@$(MAKE) -C tests run_tests



.PHONY: all clean distclean install run_tests $(SUBDIRS)
 


schema_check:

	@N=1; \

	for spec in $(SPECDIR)/*.yaml ; do \

		NAME=$$(basename $$spec) ; \

		OUTPUT=$$(./pyynl/cli.py --spec $$spec --validate) ; \

		if [ $$? -eq 0 ] ; then \

			echo "ok $$N $$NAME schema validation" ; \

		else \

			echo "not ok $$N $$NAME schema validation" ; \

			echo "$$OUTPUT" ; \

			echo ; \

		fi ; \

		N=$$((N+1)) ; \

	done



.PHONY: all clean distclean install run_tests schema_check $(SUBDIRS)

tools/net/ynl/pyynl/cli.py

+16 −5
Original line number Diff line number Diff line
@@ -10,7 +10,7 @@ import sys 
import textwrap



sys.path.append(pathlib.Path(__file__).resolve().parent.as_posix())

from lib import YnlFamily, Netlink, NlError

from lib import YnlFamily, Netlink, NlError, SpecFamily



sys_schema_dir='/usr/share/ynl'

relative_schema_dir='../../../../Documentation/netlink'
@@ -127,6 +127,7 @@ def main(): 
    group.add_argument('--list-msgs', action='store_true')

    group.add_argument('--list-attrs', dest='list_attrs', metavar='OPERATION', type=str,

                       help='List attributes for an operation')

    group.add_argument('--validate', action='store_true')



    parser.add_argument('--duration', dest='duration', type=int,

                        help='when subscribed, watch for DURATION seconds')
@@ -168,15 +169,25 @@ def main(): 


    if args.family:

        spec = f"{spec_dir()}/{args.family}.yaml"

        if args.schema is None and spec.startswith(sys_schema_dir):

            args.schema = '' # disable schema validation when installed

        if args.process_unknown is None:

            args.process_unknown = True

    else:

        spec = args.spec

    if not os.path.isfile(spec):

        raise Exception(f"Spec file {spec} does not exist")



    if args.validate:

        try:

            SpecFamily(spec, args.schema)

        except Exception as error:

            print(error)

            exit(1)

        return



    if args.family: # set behaviour when using installed specs

        if args.schema is None and spec.startswith(sys_schema_dir):

            args.schema = '' # disable schema validation when installed

        if args.process_unknown is None:

            args.process_unknown = True



    ynl = YnlFamily(spec, args.schema, args.process_unknown,

                    recv_size=args.dbg_small_recv)

    if args.dbg_small_recv: