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#!/usr/bin/env python3
import sys
import os
import ipaddress
import yaml
from pprint import pprint
import re
from jsonschema import validate, exceptions
import argparse
from subprocess import run, PIPE
from io import StringIO
# VPP feature JSON schema
schema = {
"$schema": "http://json-schema.org/schema#",
"type": "object",
"properties": {
"name": {"type": "string"},
"description": {"type": "string"},
"maintainer": {"$ref": "#/definitions/maintainers"},
"state": {"type": "string",
"enum": ["production", "experimental", "development"]},
"features": {"$ref": "#/definitions/features"},
"missing": {"$ref": "#/definitions/features"},
"properties": {"type": "array",
"items": {"type": "string",
"enum": ["API", "CLI", "STATS",
"MULTITHREAD"]},
},
},
"additionalProperties": False,
"definitions": {
"maintainers": {
"anyof": [{
"type": "array",
"items": {"type": "string"},
"minItems": 1,
},
{"type": "string"}],
},
"featureobject": {
"type": "object",
"patternProperties": {
"^.*$": {"$ref": "#/definitions/features"},
},
},
"features": {
"type": "array",
"items": {"anyOf": [{"$ref": "#/definitions/featureobject"},
{"type": "string"},
]},
"minItems": 1,
},
},
}
def filelist_from_git_status():
filelist = []
git_status = 'git status --porcelain */FEATURE.yaml'
rv = run(git_status.split(), stdout=PIPE, stderr=PIPE)
if rv.returncode != 0:
sys.exit(rv.returncode)
for l in rv.stdout.decode('ascii').split('\n'):
if len(l):
filelist.append(l.split()[1])
return filelist
def filelist_from_git_ls():
filelist = []
git_ls = 'git ls-files :(top)*/FEATURE.yaml'
rv = run(git_ls.split(), stdout=PIPE, stderr=PIPE)
if rv.returncode != 0:
sys.exit(rv.returncode)
for l in rv.stdout.decode('ascii').split('\n'):
if len(l):
filelist.append(l)
return filelist
def version_from_git():
git_describe = 'git describe'
rv = run(git_describe.split(), stdout=PIPE, stderr=PIPE)
if rv.returncode != 0:
sys.exit(rv.returncode)
return rv.stdout.decode('ascii').split('\n')[0]
class MarkDown():
_dispatch = {}
def __init__(self, stream):
self.stream = stream
self.toc = []
def print_maintainer(self, o):
write = self.stream.write
if type(o) is list:
write('Maintainers: ' +
', '.join(f'{m}' for m in
o) + ' \n')
else:
write(f'Maintainer: {o} \n')
_dispatch['maintainer'] = print_maintainer
def print_features(self, o, indent=0):
write = self.stream.write
for f in o:
indentstr = ' ' * indent
if type(f) is dict:
for k, v in f.items():
write(f'{indentstr}- {k}\n')
self.print_features(v, indent + 2)
else:
write(f'{indentstr}- {f}\n')
write('\n')
_dispatch['features'] = print_features
def print_markdown_header(self, o):
write = self.stream.write
write(f'## {o}\n')
version = version_from_git()
write(f'VPP version: {version}\n\n')
_dispatch['markdown_header'] = print_markdown_header
def print_name(self, o):
write = self.stream.write
write(f'### {o}\n')
self.toc.append(o)
_dispatch['name'] = print_name
def print_description(self, o):
write = self.stream.write
write(f'\n{o}\n\n')
_dispatch['description'] = print_description
def print_state(self, o):
write = self.stream.write
write(f'Feature maturity level: {o} \n')
_dispatch['state'] = print_state
def print_properties(self, o):
write = self.stream.write
write(f'Supports: {" ".join(o)} \n')
_dispatch['properties'] = print_properties
def print_missing(self, o):
write = self.stream.write
write('\nNot yet implemented: \n')
self.print_features(o)
_dispatch['missing'] = print_missing
def print_code(self, o):
write = self.stream.write
write(f'Source Code: [{o}]({o}) \n')
_dispatch['code'] = print_code
def print(self, t, o):
write = self.stream.write
if t in self._dispatch:
self._dispatch[t](self, o,)
else:
write('NOT IMPLEMENTED: {t}\n')
def output_toc(toc, stream):
write = stream.write
write('## VPP Feature list:\n')
for t in toc:
ref = t.lower().replace(' ', '-')
write(f'[{t}](#{ref}) \n')
def featuresort(k):
return k[1]['name']
def featurelistsort(k):
orderedfields = {
'name': 0,
'maintainer': 1,
'description': 2,
'features': 3,
'state': 4,
'properties': 5,
'missing': 6,
'code': 7,
}
return orderedfields[k[0]]
def output_markdown(features, fields, notfields):
stream = StringIO()
m = MarkDown(stream)
m.print('markdown_header', 'Feature Details:')
for path, featuredef in sorted(features.items(), key=featuresort):
codeurl = 'https://git.fd.io/vpp/tree/src/' + '/'.join(os.path.normpath(path).split('/')[1:-1])
featuredef['code'] = codeurl
for k, v in sorted(featuredef.items(), key=featurelistsort):
if notfields:
if k not in notfields:
m.print(k, v)
elif fields:
if k in fields:
m.print(k, v)
else:
m.print(k, v)
tocstream = StringIO()
output_toc(m.toc, tocstream)
return tocstream, stream
def main():
parser = argparse.ArgumentParser(description='VPP Feature List.')
parser.add_argument('--validate', dest='validate', action='store_true',
help='validate the FEATURE.yaml file')
parser.add_argument('--git-status', dest='git_status', action='store_true',
help='Get filelist from git status')
parser.add_argument('--all', dest='all', action='store_true',
help='Validate all files in repository')
parser.add_argument('--markdown', dest='markdown', action='store_true',
help='Output feature table in markdown')
parser.add_argument('infile', nargs='?', type=argparse.FileType('r'),
default=sys.stdin)
group = parser.add_mutually_exclusive_group()
group.add_argument('--include', help='List of fields to include')
group.add_argument('--exclude', help='List of fields to exclude')
args = parser.parse_args()
features = {}
if args.git_status:
filelist = filelist_from_git_status()
elif args.all:
filelist = filelist_from_git_ls()
else:
filelist = args.infile
if args.include:
fields = args.include.split(',')
else:
fields = []
if args.exclude:
notfields = args.exclude.split(',')
else:
notfields = []
for featurefile in filelist:
featurefile = featurefile.rstrip()
# Load configuration file
with open(featurefile) as f:
cfg = yaml.load(f, Loader=yaml.SafeLoader)
try:
validate(instance=cfg, schema=schema)
except exceptions.ValidationError:
print('File does not validate: {featurefile}',
file=sys.stderr)
raise
features[featurefile] = cfg
if args.markdown:
stream = StringIO()
tocstream, stream = output_markdown(features, fields, notfields)
print(tocstream.getvalue())
print(stream.getvalue())
stream.close()
if __name__ == '__main__':
main()
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