dr-setup.yaml

# dr-setup.yaml
# Advanced example of a Disaster Recovery (DR) enabled Validator.
# This setup coordinate with a standby cluster for high availability across regions.

apiVersion: stellar.org/v1alpha1
kind: StellarNode
metadata:
  name: validator-dr
  namespace: stellar
spec:
  nodeType: Validator
  network: mainnet
  version: "v21.0.0"

  # Required rollout availability and spreading constraints.
  maxUnavailable: 0
  minAvailable: 1
  topologySpreadConstraints: []

  storage:
    storageClass: "ssd-premium"
    size: "500Gi"

  validatorConfig:
    seedSecretRef: "validator-seed-mainnet"

  # Disaster Recovery configuration.
  drConfig:
    # Enable DR features (cross-cluster sync and health monitoring).
    enabled: true
    # This node is the 'primary' source of truth.
    role: primary
    # Identifier for the peer cluster performing standby duties.
    peerClusterId: "secondary-region-1"
    # 'consensus' strategy uses SCP to keep the standby in sync.
    syncStrategy: consensus

    # Automated health checks for the peer cluster connectivity.
    healthCheckInterval: 30

    # Automated DR drill scheduling (ensures failover works without data loss).
    drillSchedule:
      # Cron expression: every Sunday at 02:00 AM.
      schedule: "0 2 * * 0"
      # Timeout for the automated failover process.
      timeoutSeconds: 300
      # Automatically roll back to Primary after a successful drill.
      autoRollback: true
      rollbackDelaySeconds: 60

    # DNS configuration for automated failover (Global Load Balancing).
    failoverDns:
      hostname: "validator-api.example.com"
      ttl: 60