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author | 2017-09-28 09:28:41 +0000 | |
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committer | 2017-09-28 09:28:41 +0000 | |
commit | 61820ee85c967d90021e4089c6a7907046685639 (patch) | |
tree | 0c3f23e2146f0855fb5be0ff55343d59e3a9c9ab /cvp/update/templates/update_mongodb.py | |
parent | 0cc2fdefa9e6e959e7c69beede736738f339f636 (diff) | |
parent | 0cf6b232ac9cf128ee9183a27c08f4f74ab2e2e6 (diff) |
Merge "add api&web services for cvp"
Diffstat (limited to 'cvp/update/templates/update_mongodb.py')
-rw-r--r-- | cvp/update/templates/update_mongodb.py | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/cvp/update/templates/update_mongodb.py b/cvp/update/templates/update_mongodb.py new file mode 100644 index 00000000..f7595928 --- /dev/null +++ b/cvp/update/templates/update_mongodb.py @@ -0,0 +1,90 @@ +############################################################################## +# Copyright (c) 2016 ZTE Corporation +# feng.xiaowei@zte.com.cn +# All rights reserved. This program and the accompanying materials +# are made available under the terms of the Apache License, Version 2.0 +# which accompanies this distribution, and is available at +# http://www.apache.org/licenses/LICENSE-2.0 +############################################################################## +import argparse + +from pymongo import MongoClient + +from changes_in_mongodb import collections_old2New, \ + fields_old2New, docs_old2New +from utils import main, parse_mongodb_url + +parser = argparse.ArgumentParser(description='Update MongoDBs') + +parser.add_argument('-u', '--url', + type=str, + required=False, + default='mongodb://127.0.0.1:27017/', + help='Mongo DB URL for Backups') + +parser.add_argument('-d', '--db', + type=str, + required=False, + default='test_results_collection', + help='database for the update.') + + +def assert_collections(a_dict): + if a_dict is not None: + collections = eval_db('collection_names') + no_collections = [] + for collection in a_dict.keys(): + if collection not in collections: + no_collections.append(collection) + assert len(no_collections) == 0, \ + 'collections {} not exist'.format(no_collections) + + +def rename_collections(a_dict): + if a_dict is not None: + for collection, new_name in a_dict.iteritems(): + eval_collection(collection, 'rename', new_name) + + +def rename_fields(a_dict): + collection_update(a_dict, '$rename') + + +def change_docs(a_dict): + collection_update(a_dict, '$set') + + +def eval_db(method, *args, **kwargs): + exec_db = db.__getattribute__(method) + return exec_db(*args, **kwargs) + + +def eval_collection(collection, method, *args, **kwargs): + exec_collection = db.__getattr__(collection) + return exec_collection.__getattribute__(method)(*args, **kwargs) + + +def collection_update(a_dict, operator): + if a_dict is not None: + for collection, updates in a_dict.iteritems(): + for (query, doc) in updates: + doc_dict = {operator: doc} + eval_collection(collection, 'update', query, + doc_dict, upsert=False, multi=True) + + +def update(args): + parse_mongodb_url(args.url) + client = MongoClient(args.url) + global db + db = client[args.db] + assert_collections(docs_old2New) + assert_collections(fields_old2New) + assert_collections(collections_old2New) + change_docs(docs_old2New) + rename_fields(fields_old2New) + rename_collections(collections_old2New) + + +if __name__ == '__main__': + main(update, parser) |