Backup MongoDB databases using AWS Lambda functions
Project description
mongo-lambda-backup
Backup MongoDB databases using AWS Lambda functions
The code in this repo allows running the backup of a MongoDB database to S3 on AWS Lambda by emulating a mongodump
using pymongo
and boto3
. By default the function will create a JSON file for every collection in the database and save them in a /backup
folder.
Install from pip
pip install mongo_lambda_backup
Configuration
All configuration values are passed using environment variables.
The following values are required:
MONGO_URI
: The URI including authentication credentials of the MongoDB host to be backed up.BUCKET_NAME
: The name of the S3 bucket to store the backup files in.
The following values are optional:
MONGO_URI_IS_ENCRYPTED
: In case this environment variable is set, the handler assumes the URI (which potentially contains credentials) needs to be encrypted using the KMS key associated with the Lambda.MONGO_DATABASE
: The name of the database to back up. In case this is not set, it will be read from the path ofMONGO_URI
.BUCKET_FOLDER
: The folder in the bucket to store the JSON files in. Defaults tobackups
.COLLECTION_BLACKLIST
: A comma-separated collection of collection names to skip when performing the back up (e.g. for skipping indices).
License
MIT © Frederik Ring
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