git.arvados.org - arvados.git/blob - tools/vocabulary-migrate/vocabulary-migrate.py

1 #!/usr/bin/env python3

2 #

4 #

5 # SPDX-License-Identifier: CC-BY-SA-3.0

7 import argparse

8 import copy

9 import json

10 import logging

11 import os

12 import sys

14 import arvados

15 import arvados.util

17 logger = logging.getLogger('arvados.vocabulary_migrate')

18 logger.setLevel(logging.INFO)

20 class VocabularyError(Exception):

21 pass

23 opts = argparse.ArgumentParser(add_help=False)

24 opts.add_argument('--vocabulary-file', type=str, metavar='PATH', required=True,

25 help="""

26 Use vocabulary definition file at PATH for migration decisions.

27 """)

28 opts.add_argument('--dry-run', action='store_true', default=False,

29 help="""

30 Don't actually migrate properties, but only check if any collection/project

31 should be migrated.

32 """)

33 opts.add_argument('--debug', action='store_true', default=False,

34 help="""

35 Sets logging level to DEBUG.

36 """)

37 arg_parser = argparse.ArgumentParser(

38 description='Migrate collections & projects properties to the new vocabulary format.',

39 parents=[opts])

41 def parse_arguments(arguments):

42 args = arg_parser.parse_args(arguments)

43 if args.debug:

44 logger.setLevel(logging.DEBUG)

45 if not os.path.isfile(args.vocabulary_file):

46 arg_parser.error("{} doesn't exist or isn't a file.".format(args.vocabulary_file))

47 return args

49 def _label_to_id_mappings(data, obj_name):

50 result = {}

51 for obj_id, obj_data in data.items():

52 for lbl in obj_data['labels']:

53 obj_lbl = lbl['label']

54 if obj_lbl not in result:

55 result[obj_lbl] = obj_id

56 else:

57 raise VocabularyError('{} label "{}" for {} ID "{}" already seen at {} ID "{}".'.format(obj_name, obj_lbl, obj_name, obj_id, obj_name, result[obj_lbl]))

58 return result

60 def key_labels_to_ids(vocab):

61 return _label_to_id_mappings(vocab['tags'], 'key')

63 def value_labels_to_ids(vocab, key_id):

64 if key_id in vocab['tags'] and 'values' in vocab['tags'][key_id]:

65 return _label_to_id_mappings(vocab['tags'][key_id]['values'], 'value')

66 return {}

68 def migrate_properties(properties, key_map, vocab):

69 result = {}

70 for k, v in properties.items():

71 key = key_map.get(k, k)

72 value = value_labels_to_ids(vocab, key).get(v, v)

73 result[key] = value

74 return result

76 def main(arguments=None):

77 args = parse_arguments(arguments)

78 vocab = None

79 with open(args.vocabulary_file, 'r') as f:

80 vocab = json.load(f)

81 arv = arvados.api('v1')

82 if 'tags' not in vocab or vocab['tags'] == {}:

83 logger.warning('Empty vocabulary file, exiting.')

84 return 1

85 if not arv.users().current().execute()['is_admin']:

86 logger.error('Admin privileges required.')

87 return 1

88 key_label_to_id_map = key_labels_to_ids(vocab)

89 migrated_counter = 0

91 for key_label in key_label_to_id_map:

92 logger.debug('Querying objects with property key "{}"'.format(key_label))

93 for resource in [arv.collections(), arv.groups()]:

94 objs = arvados.util.list_all(

95 resource.list,

96 order=['created_at'],

97 select=['uuid', 'properties'],

98 filters=[['properties', 'exists', key_label]]

99 )

100 for o in objs:

101 props = copy.copy(o['properties'])

102 migrated_props = migrate_properties(props, key_label_to_id_map, vocab)

103 if not args.dry_run:

104 logger.debug('Migrating {}: {} -> {}'.format(o['uuid'], props, migrated_props))

105 arv.collections().update(uuid=o['uuid'], body={

106 'properties': migrated_props

107 }).execute()

108 else:

109 logger.info('Should migrate {}: {} -> {}'.format(o['uuid'], props, migrated_props))

110 migrated_counter += 1

111 if not args.dry_run and migrated_counter % 100 == 0:

112 logger.info('Migrating {} objects...'.format(migrated_counter))

113

114 if args.dry_run and migrated_counter == 0:

115 logger.info('Nothing to do.')

116 elif not args.dry_run:

117 logger.info('Done, total objects migrated: {}.'.format(migrated_counter))

118 return 0

119

120 if __name__ == "__main__":

121 sys.exit(main())