kops-custom-cni-over-50.sh

#!/bin/bash
#
# https://github.com/kubernetes/kops/blob/master/docs/networking.md
# https://chrislovecnm.com/kubernetes/cni/choosing-a-cni-provider/
# Trouble at scale
# https://blog.openai.com/scaling-kubernetes-to-2500-nodes/

export NODE_SIZE=${NODE_SIZE:-t2.micro}
export NODE_COUNT='99'
export MASTER_SIZE=${MASTER_SIZE:-m4.large}
export MASTER_ZONES='us-east-1a' #Add zones for HA
export ZONES=${ZONES:-"us-east-1a,us-east-1b"}
export NAME='cluster.aws.minerva.sh'
#export VPC_ID='vpc-8773e4ff' ## For existing VPC, edit subnets before update --yes
export ZONEID='[ADD ZONE ID]' 
export PUBLICSSH='~/.ssh/id_rsa.pub'

kops create cluster \
  --name=${NAME} \
  --node-count=${NODE_COUNT} \
  --node-size=${NODE_SIZE} \
  --master-size ${MASTER_SIZE} \
  --master-zones ${MASTER_ZONES} \
  --zones=${ZONES} \
  --dns-zone=${ZONEID} \
  --cloud=aws \
  --networking weave \
  --topology private \
  --ssh-public-key=${PUBLICSSH}

# --vpc=${VPC_ID}

Excellent share!
Thanks Omer!