gaelleiadvize/gke-mongo-backup

Scripts and config to backup mongodb to Google Cloud Storage in GKE

Shell

GKE mongo backup

Scripts and config to backup mongodb to Google Cloud Storage in GKE

Contains:

kubernetes cronJob to execute our docker image with the necesari script and dependencies
Dockerfile of the image used by de cronJob
Script with the necesary steps to backup database and upload to GCS

Steps

Create bucket in Google Cloud Storage to upload backups
Create Google cloud service account with credentials and access permisions for GCS (Storage Object Creator, Storage Object Viewer): https://cloud.google.com/kubernetes-engine/docs/tutorials/authenticating-to-cloud-platform?hl=es
Create kubernetes secret in your kubernetes cluster to store Service Account Credentials:

 kubectl create secret generic gcs-key --from-file=key.json

Build and push docker image to your registry
Apply cron.yaml to your kubernetes cluster:
```
kubectl apply -f cron.yaml
```

Local test:

Need to save your Google cloud service account credentials json in same path

Run:

docker run -ti -v .:/var/mongobackup \
-e GOOGLE_APPLICATION_CREDENTIALS='/var/mongobackup/key.json' \
-e MONGO_HOST='<MONGO_HOST>' -e MONGO_USER='<MONGO_USER>' \
-e MONGO_PASS='<MONGO_PASS>' \
-e BUCKET_NAME='<BUCKET_NAME>' \
mongobackup

Backup means restore ^^

full restore

mongorestore  --drop --gzip \
--host <MONGO_HOST> \
-u <MONGO_USER> -p <MONGO_PASS> \
--archive=<PATH_TO_ARCHIVE>.gz

restore one db only

mongorestore  --nsInclude 'MY_DB_NAME.*' --drop --gzip \
--host <MONGO_HOST> \
-u <MONGO_USER> -p <MONGO_PASS> \
--archive=<PATH_TO_ARCHIVE>.gz