big_cluster_yaml.sh

#!/bin/sh

CLUSTERS=250
MACHINES=5

echo "About to build a configuration for $CLUSTERS deployed clusters with $MACHINES each and written to the file $1"

sleep 5

for i in $( seq $CLUSTERS ); do

echo "apiVersion: cluster.x-k8s.io/v1alpha2
kind: Cluster
metadata:
  name: cluster-$i
spec:
  clusterNetwork:
    pods:
      cidrBlocks: [\"192.168.0.0/16\"]
  infrastructureRef:
    apiVersion: infrastructure.cluster.x-k8s.io/v1alpha1
    kind: InceptionCluster
    name: cluster-$i
---
apiVersion: infrastructure.cluster.x-k8s.io/v1alpha1
kind: InceptionCluster
metadata:
  name: cluster-$i
---
kind: MachineDeployment
apiVersion: cluster.x-k8s.io/v1alpha2
metadata:
  name: deployment-$i
  namespace: default
  labels:
    cluster.x-k8s.io/cluster-name: cluster-$i
    nodepool: nodepool-0
spec:
  replicas: $MACHINES 
  selector:
    matchLabels:
      cluster.x-k8s.io/cluster-name: cluster-$i
      nodepool: nodepool-0
  template:
    metadata:
      labels:
        cluster.x-k8s.io/cluster-name: cluster-$i
        nodepool: nodepool-0
    spec:
      version: \"v1.15.3\"
      bootstrap:
        data: \"\"  
      infrastructureRef:
        apiVersion: infrastructure.cluster.x-k8s.io/v1alpha1
        kind: InceptionMachine
        name: imachinetemplate
        namespace: default
---" >> $1

done