mongo-backup

Docker image for continuously taking backups of mongoDB and copying the same to S3

Environment variables

RETRY_INTERVAL (s)
Mongo Dump retry interval (if failed)
Default: 5
HOST
Mongo host Url. Fully supports official mongo host urls
Default: localhost
BUCKET
S3 Bucket for backup destination
Default: mongo-backup
OTHER_OPTIONS (optional)

mongodump <our options> <other options>

If you need any custom options to be passed during mongodump, then this is the place for you.
For ex: If you would like to specify a particular DB to be backed then pass --db my_db

AWS-Cli Options (Mandatory)

AWS_ACCESS_KEY_ID
AWS_SECRET_ACCESS_KEY
AWS_DEFAULT_REGION

Swarm Deployment

Please use the image in association with a swarm cron scheduler such as swarm-cronjob. Please look into it for usage details.

version: '3.7'

services:
  cron:
    image: crazymax/swarm-cronjob
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
    environment:
      - "LOG_LEVEL=info"
      - "LOG_JSON=false"
    deploy:
      placement:
        constraints:
          - node.role == manager

  mongo_bkup:
    image: mongo-bkup
    deploy:
      labels:
        - "swarm.cronjob.enable=true"
        - "swarm.cronjob.schedule=0 * * * * *"
        - "swarm.cronjob.skip-running=false"
      replicas: 0
      restart_policy:
        condition: none
    environment: 
      - "INTERVAL=5"
      - "HOST=mongo:27017"
      - "BUCKET=<s3 bucket name>"
      - "AWS_SECRET_ACCESS_KEY=<aws secret access key>"
      - "AWS_ACCESS_KEY_ID=<aws access key>"
      - "AWS_DEFAULT_REGION=<region>"

Restore

Get dump_2019-06-06_12-49-22.tar file from S3 and then run the following commands:

tar xvf dump_2019-06-06_12-49-22.tar
mongorestore dump_2019-06-06_12-49-22/

Contributions

All PRs are welcome

Licence

MIT

AkashBabu / mongo-backup