Day-2 Operations

Day-2 Operations Support

Users are allowed to perform only the below operations on Day 2

Supported Day-2 Operations

Cluster

• Upgrade Kubernetes version
• Update Blueprint and Blueprint version
• Update Cluster Labels
• Update Resource Labels at Cluster and Node Level
• Update CAPI (capiVersion) / CAPG (capgVersion) controller versions

Node Pools

• Add, scale, and delete node pools
• Upgrade node pool Kubernetes version
• Downgrade node pool Kubernetes version (RCTL and API only)
• Enable or disable node pool auto-upgrade
• Update node pool upgrade strategy
• Update node pool upgrade settings

Storage & Networking

• Enable or disable Compute Engine Persistent Disk CSI Driver
• Enable or disable GCP Filestore CSI Driver Add-on
• Enable or disable GCS Fuse CSI Driver
• Enable or disable HTTP Load Balancing
• Enable or disable Horizontal Pod Autoscaling
• Enable or disable Private Nodes

Observability

• Enable or disable Cloud Logging
• Enable or disable Cloud Monitoring
• Enable or disable Managed Service for Prometheus

Add-ons & Security

• Enable or disable Application Manager Beta Add-on
• Enable or disable Backup for GKE Add-on
• Enable or disable Image Streaming
• Enable or disable Legacy Authorization
• Enable or disable Google Groups for RBAC
• Enable or disable Workload Identity

Limitation

• When updating the node pool upgrade strategy, it is not possible to reduce the batch soak duration and node pool soak duration to zero '0' on day 2
• Disabling auto-upgrade is only possible once the node pool version in the configuration matches the actual version
• When auto-upgrade is enabled, downgrading the node pool is not allowed
• CAPI and CAPG versions cannot be updated together in the same apply, only one of capiVersion or capgVersion per change
• When the target CAPG version requires a newer CAPI API contract (e.g. v1beta2), capiVersion must be updated first

---