Regular backup of gitlab deployed on openshift/k8s

surroundings

Operating system: centos7.6
openshift version: 3.11
gitlab mirror: gitlab-ce: 11.4.3-ce.0

Create pvc

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: gitlab-data-backup
  namespace: gitlab
spec:
  accessModes:
  - ReadWriteMany
  resources:
    requests:
      storage: 500Gi

Mount the backup directory

      volumes:
        .....
        - name: volume-gitlab-backup
          persistentVolumeClaim:
            claimName: gitlab-data-backup

          volumeMounts:
            ......
            - mountPath: /var/opt/gitlab/backups
              name: volume-gitlab-backup

Write backup script

vi /root/crontab/backup-gitlab.sh

The content is as follows (here deployed under the project gitlab), after obtaining the pod name, exec, and finally to be able to execute the
backup commandgitlab-rake gitlab:backup:create

#!/bin/bash
date
oc login -u xxxx -p xxxx url
oc exec -it  `oc get po -n gitlab -l deploymentconfig=gitlab-ce --field-selector status.phase=Running  | awk '{print $1}' | sed -n '2p'` -n gitlab  gitlab-rake gitlab:backup:create

Create backup scheduled tasks

crontab -e

30 23 * * 5 /root/crontab/backup-gitlab.sh >> /var/log/backup-gitlab.log 2>&1

Here is set to back up gitlab data at 11:30 every Friday

Write scripts for regular cleaning and backup data

vi /root/crontab/clear-backup-gitlab.sh

Delete the backup file 60 days ago

#!/bin/bash
date
oc login -u xxxx -p xxxx url
oc exec -it  `oc get po -n gitlab -l deploymentconfig=gitlab-ce --field-selector status.phase=Running  | awk '{print $1}' | sed -n '2p'` -n gitlab -- find '/var/opt/gitlab/backups' -name '*.tar' -mtime +60 -exec rm {} \;

Create a scheduled task for cleaning backup data

crontab -e

00 23 * * 5 /root/crontab/clear-backup-gitlab.sh >> /var/log/clear-backup-gitlab.log 2>&1

Here is set to 11:00 every Friday to clean up the gitlab data that was backed up 60 days ago