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scale down vsphere-csi-controll deployment to 1 replica if < 3 control nodes

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John Bowdre 2022-12-06 14:43:31 -06:00
parent eea0551bca
commit 7c671e1ee5
2 changed files with 7 additions and 2 deletions
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1
terraform/main.tf
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@ -137,6 +137,7 @@ resource "vsphere_virtual_machine" "control" {
"echo export K8S_POD_CIDR=\"'${var.k8s-pod-cidr}'\" >> env.txt", "echo export K8S_POD_CIDR=\"'${var.k8s-pod-cidr}'\" >> env.txt",
"echo export K8S_CLUSTER_NAME=\"'${var.k8s-cluster-name}'\" >> env.txt", "echo export K8S_CLUSTER_NAME=\"'${var.k8s-cluster-name}'\" >> env.txt",
"echo export K8S_CONTROLPLANE_VIP=\"'${var.k8s-controlplane-vip}'\" >> env.txt", "echo export K8S_CONTROLPLANE_VIP=\"'${var.k8s-controlplane-vip}'\" >> env.txt",
"echo export K8S_CONTROLPLANE_COUNT=\"'${var.vm-control-count}'\" >> env.txt",
"echo export KUBEVIP_VER=\"'${var.k8s-kubevip-version}'\" >> env.txt", "echo export KUBEVIP_VER=\"'${var.k8s-kubevip-version}'\" >> env.txt",
"echo export K8S_NODE_COUNT=\"'${local.k8s-node-count}'\" >> env.txt", "echo export K8S_NODE_COUNT=\"'${local.k8s-node-count}'\" >> env.txt",
"echo export VCENTER_SERVER=\"'${var.vsphere-server}'\" >> env.txt", "echo export VCENTER_SERVER=\"'${var.vsphere-server}'\" >> env.txt",

8
terraform/scripts/initialize-controlplane.sh
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@ -343,10 +343,14 @@ datacenters = "${VCENTER_DATACENTER}"
EOF EOF
kubectl create secret generic vsphere-config-secret --from-file=csi-vsphere.conf --namespace=vmware-system-csi kubectl create secret generic vsphere-config-secret --from-file=csi-vsphere.conf --namespace=vmware-system-csi
if kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/vsphere-csi-driver/v2.7.0/manifests/vanilla/vsphere-csi-driver.yaml; then wget "https://raw.githubusercontent.com/kubernetes-sigs/vsphere-csi-driver/v2.7.0/manifests/vanilla/vsphere-csi-driver.yaml"
if [ "${K8S_CONTROLPLANE_COUNT}" -lt 3 ]; then
sed -i 's/replicas: 3/replicas: 1/' vsphere-csi-driver.yaml
fi
if kubectl apply -f vsphere-csi-driver.yaml; then
echo ">> Cluster initialization complete!" echo ">> Cluster initialization complete!"
touch .k8s-cluster-success touch .k8s-cluster-success
rm -f csi-vsphere.conf discovery.yaml env.txt kubeadminit.yaml initialize-controlplane.sh rm -f csi-vsphere.conf discovery.yaml env.txt kubeadminit.yaml initialize-controlplane.sh vsphere-csi-driver.yaml
else else
echo ">> [ERROR] Failed to configure CSI! <<" echo ">> [ERROR] Failed to configure CSI! <<"
fi fi