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#!/usr/bin/python -tt
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import argparse
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import koji
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import os
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import re
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import sys
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import traceback
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from collections import namedtuple
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SigEntry = namedtuple('SigEntry', ['cbstag', 'localdir', 'remotedir', 'desturl'])
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KOJI_URL = 'https://cbs.centos.org/kojihub/'
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WARNING = "WARNING: {0}: {1} {2}"
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ERROR = "ERROR: {0}: {1} {2}"
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TAGREGEX = r'(?P<signame>\w+)(?P<centosversion>\d)-(.*)-(?P<releasestage>candidate|testing|release)$'
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MIRRORREGEX = r'(?P<centosversion>\d)/(?P<signame>\w+)/(?P<sigstructure>.*)'
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def main(files=[]):
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    kojiclient = koji.ClientSession(KOJI_URL)
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    tags = [x.get('name') for x in kojiclient.listTags()]
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    for filename in files:
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        print '='*10 + ' Linting: {0} '.format(filename) + '='*10
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        with open(filename) as thefile:
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            lines = thefile.readlines()
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            for lineno,line in enumerate(map(str.strip, lines)):
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                if line.startswith('#'):
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                    continue
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                se = SigEntry(*line.split('|'))
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                # Check that we put the right tags in the right list (testing -> buildlogs, release -> sign)
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                # and that the CentOS Version matches for all the URLs
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                try:
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                    gs = re.match(TAGREGEX, se.cbstag.strip('/')).groupdict()
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                    if gs['releasestage'] == 'release' and 'buildlogs' in filename:
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                        msg = 'release tag in buildlogs list'
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                        raise AssertionError
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                    if gs['releasestage'] == 'testing' and 'sign' in filename:
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                        msg = 'testing tag in sign list'
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                        raise AssertionError
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                    for attr in ['localdir','remotedir','desturl']:
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                            match = re.match(MIRRORREGEX, se._asdict()[attr])
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                            if not match:
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                                msg = 'Malformed directory: {}\n {} does not match pattern: {}'.format(se._asdict()[attr], attr, MIRRORREGEX)
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                                raise AssertionError
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                            are = match.groupdict()
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                            if are['centosversion'] != gs['centosversion']:
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                                msg = 'version location of {0} does not match the CentOS Version of the CBS tag'.format(attr)
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                                raise AssertionError
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                except AttributeError, e:
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                    msg = 'bad cbs tag!'
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                    print e
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                    print(ERROR.format(filename+':'+str(lineno), se.cbstag.strip('/'), msg))
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                    sys.exit(-1)
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                except AssertionError, e:
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                    msg = msg or "Unkown error"
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                    print(WARNING.format(filename+':'+str(lineno), se.cbstag.strip('/'), msg))
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                    continue
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                # Check that we have trailing slashes for the path components so that RSYNC is happy
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                try:
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                    for attr in ['cbstag','localdir','remotedir','desturl']:
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                        assert(se._asdict()[attr].endswith('/'))
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                except AssertionError, e:
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                    msg = '{} is missing trailing slash!'.format(attr)
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                    print(WARNING.format(filename+':'+str(lineno), se.cbstag.strip('/'), msg))
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                    continue
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                try:
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                    assert(se.cbstag.strip('/') in tags)
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                except AssertionError, e:
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                    print(ERROR.format(filename+':'+str(lineno), se.cbstag.strip('/'), 'CBS Tag does not exist!'))
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                    sys.exit(-1)
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                # Check to be sure all the tags have RPMs in them
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                try:
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                    builds = kojiclient.getLatestBuilds(se.cbstag.strip('/'))
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                    assert(len(builds) > 0)
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                except AssertionError, e:
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                    print(ERROR.format(str(lineno), se.cbstag.strip('/'), 'No RPMS in tag!'))
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                    sys.exit(-1)
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if __name__ == '__main__':
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    parser = argparse.ArgumentParser(description="Check the content control entries for sanity. If called without arguments, cclint will look in the current directory for any files named *_list")
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    parser.add_argument('files', metavar='content-control-file',
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                        type=str, nargs="*", help="the file to check",
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                        default=filter(lambda x: '_list' in x, os.listdir('.'))
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                        )
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    args = parser.parse_args()
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    main(args.files)