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=.json

• Build and upload 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/<CREDENTIALS_FILENAME>.json' -e MONGO_URI='<MONGO_URI>' -e BUCKET_NAME='<BUCKET_NAME>' mongobackup