incorporate review feedback

docs/topics/kubernetes-developers.md

@@ -76,10 +76,10 @@ After that, you will have to upload a tarball (`_output/release-tars/kubernetes-
 
 ### AKS Engine API Model
 
-* Open the AKS Engine API Model (e.g. a file from the examples directory). Set `orchestratorRelease` to 1.21 or higher so various defaults and configuration are properly applied to the ARM template and artifacts. Additionally, add the following to the `kubernetesConfig` section:
+* Open the AKS Engine API Model (e.g. a file from the examples directory). Set `orchestratorRelease` to 1.18 or higher so various defaults and configuration are properly applied to the ARM template and artifacts. Additionally, add the following to the `kubernetesConfig` section:
 
 ```
-"orchestratorRelease": "1.21",
+"orchestratorRelease": "1.18",
 "kubernetesConfig": {
     ...
     "customKubeAPIServerImage": "<your-docker-registry>/kube-apiserver-amd64:<your-custom-tag>",

vhd/packer/configure-windows-vhd.ps1

@@ -115,7 +115,6 @@ function Get-FilesToCacheOnVHD {
             "https://kubernetesartifacts.azureedge.net/csi-proxy/v0.2.2/binaries/csi-proxy-v0.2.2.tar.gz"
         );
         "c:\akse-cache\win-k8s\"      = @(
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.17.17-azs/windowszip/v1.17.17-azs-1int.zip",
             "https://kubernetesartifacts.azureedge.net/kubernetes/v1.18.18-azs/windowszip/v1.18.18-azs-1int.zip",
             "https://kubernetesartifacts.azureedge.net/kubernetes/v1.19.10-azs/windowszip/v1.19.10-azs-1int.zip",
             "https://kubernetesartifacts.azureedge.net/kubernetes/v1.20.6-azs/windowszip/v1.20.6-azs-1int.zip",

vhd/packer/install-dependencies.sh

@@ -235,8 +235,6 @@ K8S_VERSIONS="
 1.19.10-azs
 1.18.20
 1.18.18-azs
-1.17.17
-1.17.17-azs
 "
 for KUBERNETES_VERSION in ${K8S_VERSIONS}; do
   for component in kube-apiserver kube-controller-manager kube-proxy kube-scheduler; do