homelab-nomad/backups/jobs/consul.hcl

job "Consul" {
  schedule = "* * * * *"

  config {
    # TODO: Backup to a meaningful location, this is just for testing
    repo = "/local/repo"
    # Read from secret file
    passphrase = env("BACKUP_PASSPHRASE")
  }

  # Remove when using a proper backup destination
  task "Create dir for repo" {
    pre_script {
      on_backup = "echo 'Backing up something'"
    }
    pre_script {
      on_backup = "mkdir -p /local/repo"
    }
  }

  task "Use consul snapshots" {
    pre_script {
      on_backup = "mkdir -p /local/consul"
    }
    pre_script {
      on_backup = "consul snapshot save /local/consul/backup.snap"
    }
    post_script {
      on_restore = "consul snapshot restore /local/consul/backup.snap"
    }
  }

  backup {
    paths = ["/local/consul"]
    # Because path is absolute
    restore_opts {
      Target = "/"
    }
  }

  forget {
    KeepLast = 2
    Prune = true
  }
}