aldlfkahs / postgres-migration

Automate postgres(timescaledb) data migration

Postgres Migration

This shell script is for migrating(backup and restore) postgres data in kubernetes environment. 'tar' binary should be included in containers.

Step 0. Set up backup.config

• Purpose : Set up backup.config for shell script
• Order :
  • Set up configuration for your environment
    • backup_file_directory
      • The path of backup file
      • Only write the path except file-name omitting the last '/' character
      • ex) /home/swlee/postgres-backup
    • origin_ns
      • Namespace of postgres to backup
      • ex) my-backup
    • origin_label
      • Label array of postgres to backup
      • ex) ("app=postgres", "cluster=cluster1")
    • restore_ns
      • Namespace of postgres to restore
      • ex) my-restore
    • restore_label
      • Label array of postgres to restore
      • ex) ("app=postgres", "cluster=cluster2")

Step 1. Execute postgres-backup.sh

• Purpose : Execute shell script
• Pre-work

   sudo chmod +x postgres-backup.sh

• Backup :

  ./postgres-backup.sh backup

• Restore :

  ./postgres-backup.sh restore