This topic describes the prerequisites and resource requirements for installing VMware Tanzu Operations Manager (Ops Manager) and VMware Tanzu Kubernetes Grid Integrated Edition (TKGI) on Google Cloud Platform (GCP).

Note: Support for GCP is deprecated and will be entirely removed in TKGI v1.19.



Prerequisites

You can install Tanzu Kubernetes Grid Integrated Edition on GCP manually.

Complete the following before deploying TKGI:

  1. Review Resource Requirements below.
  2. Install and configure Ops Manager. To install and configure Ops Manager, follow the instructions in Installing and Configuring Ops Manager on GCP.
  3. Create service accounts for Kubernetes control plane and worker nodes. To create the service accounts, follow the instructions in Creating Service Accounts in GCP for Tanzu Kubernetes Grid Integrated Edition.

    Note: Perform this step after you install and configure Ops Manager.

  4. Create a load balancer to access the TKGI API from outside the network and run tkgi commands from your local workstation. To create a load balancer in GCP, follow the instructions in Creating a GCP Load Balancer for the TKGI API.

    Note: Perform this step before you install TKGI. After you install TKGI, you must complete the load balancer configuration. To complete the load balancer configuration, do the procedure in Create a Network Tag for the Firewall Rule.



Resource Requirements

Installing Ops Manager and TKGI requires the following virtual machines (VMs):


VM CPU Memory (GB) Ephemeral Disk (GB)
BOSH Director 2 8 16
Ops Manager 1 8 160
TKGI API 2 8 64
TKGI Database 2 8 64

NOTE: VMware recommends deploying TKGI on its own dedicated Ops Manager instance, rather than on a shared Ops Manager that also hosts other runtimes such as Tanzu Application Service.


Storage Requirements for Large Numbers of Pods

If you expect the cluster workload to run a large number of pods continuously, then increase the size of persistent disk storage allocated to the TKGI Database VM as follows:

Number of Pods Persistent Disk Requirements (GB)
1,000 pods 20
5,000 pods 100
10,000 pods 200
50,000 pods 1,000


Kubernetes Cluster Resources

Each Kubernetes cluster provisioned through TKGI deploys the VMs listed below.

If you deploy more than one Kubernetes cluster, you must scale your allocated resources appropriately.

VM VM Count CPU Cores Memory (GB) Ephemeral Disk (GB) Persistent Disk (GB)
Control Plane 1 2 4 32 5
Worker 1 2 4 32 50

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