templates: make AZURE_SSH_PUBLIC_KEY_B64 optional

Author: cpanato

docs/book/src/topics/ephemeral-os.md

@@ -7,7 +7,7 @@ disk SKU limits. Instead they will always be capable of saturating the
 VM level limits. This can significantly improve performance on the OS
 disk. Ephemeral storage used for the OS will not persist between
 maintenance events and VM redeployments. This is ideal for stateless
-base OS disks, where any stateful data is kept elsewhere. 
+base OS disks, where any stateful data is kept elsewhere.
 
 There are a few kinds of local storage devices available on Azure VMs.
 Each VM size will have a different combination. For example, some sizes
@@ -56,6 +56,6 @@ spec:
         managedDisk:
           storageAccountType: Standard_LRS
         osType: Linux
-      sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64}
+      sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64:=""}
       vmSize: ${AZURE_NODE_MACHINE_TYPE}
 ````

docs/book/src/topics/managedcluster.md

@@ -33,7 +33,7 @@ export AZURE_LOCATION="southcentralus"
 export AZURE_RESOURCE_GROUP="${CLUSTER_NAME}"
 # set AZURE_SUBSCRIPTION_ID to the GUID of your subscription
 # this example uses an sdk authentication file and parses the subscriptionId with jq
-# this file may be created using 
+# this file may be created using
 #
 # `az ad sp create-for-rbac --sdk-auth [roles] > sp.json`
 #
@@ -92,7 +92,7 @@ spec:
     name: agentpool0
   location: southcentralus
   resourceGroup: foo-bar
-  sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64}
+  sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64:=""}
   subscriptionID: fae7cc14-bfba-4471-9435-f945b42a16dd # fake uuid
   version: v1.17.4
   networkPolicy: azure # or calico

templates/cluster-template-aks.yaml

@@ -27,7 +27,7 @@ spec:
     name: agentpool0
   location: ${AZURE_LOCATION}
   resourceGroup: ${AZURE_RESOURCE_GROUP:=${CLUSTER_NAME}}
-  sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64}
+  sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64:=""}
   subscriptionID: ${AZURE_SUBSCRIPTION_ID}
   version: ${KUBERNETES_VERSION}
 ---

templates/cluster-template-machinepool.yaml

@@ -166,7 +166,7 @@ spec:
       managedDisk:
         storageAccountType: Premium_LRS
       osType: Linux
-    sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64}
+    sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64:=""}
     vmSize: ${AZURE_NODE_MACHINE_TYPE}
 ---
 apiVersion: bootstrap.cluster.x-k8s.io/v1alpha3

templates/flavors/machinepool/machine-pool-deployment.yaml

@@ -33,7 +33,7 @@ spec:
       diskSizeGB: 30
       managedDisk:
         storageAccountType: "Premium_LRS"
-    sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64}
+    sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64:=""}
 ---
 apiVersion: bootstrap.cluster.x-k8s.io/v1alpha3
 kind: KubeadmConfig

templates/test/cluster-template-prow-machine-pool-ci-version.yaml

@@ -258,7 +258,7 @@ spec:
       managedDisk:
         storageAccountType: Premium_LRS
       osType: Linux
-    sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64}
+    sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64:=""}
     vmSize: ${AZURE_NODE_MACHINE_TYPE}
 ---
 apiVersion: bootstrap.cluster.x-k8s.io/v1alpha3

templates/test/cluster-template-prow-machine-pool.yaml

@@ -169,7 +169,7 @@ spec:
       managedDisk:
         storageAccountType: Premium_LRS
       osType: Linux
-    sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64}
+    sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64:=""}
     vmSize: ${AZURE_NODE_MACHINE_TYPE}
 ---
 apiVersion: bootstrap.cluster.x-k8s.io/v1alpha3

test/e2e/data/infrastructure-azure/cluster-template-kcp-adoption.yaml

@@ -29,7 +29,7 @@ kind: AzureCluster
 metadata:
   name: ${CLUSTER_NAME}
   labels:
-    initial: ''  
+    initial: ''
 spec:
   additionalTags:
     creationTimestamp: ${TIMESTAMP}
@@ -46,7 +46,7 @@ kind: AzureMachine
 metadata:
   name: ${CLUSTER_NAME}-control-plane-0
   labels:
-    initial: ''  
+    initial: ''
 spec:
   dataDisks:
   - diskSizeGB: 256
@@ -58,15 +58,15 @@ spec:
     managedDisk:
       storageAccountType: Premium_LRS
     osType: Linux
-  sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64}
+  sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64:=""}
   vmSize: Standard_D2s_v3
----      
+---
 apiVersion: cluster.x-k8s.io/v1alpha3
 kind: Machine
 metadata:
   name: ${CLUSTER_NAME}-control-plane-0
   labels:
-    initial: ''      
+    initial: ''
     cluster.x-k8s.io/control-plane: "true"
 spec:
   version: ${KUBERNETES_VERSION}
@@ -79,14 +79,14 @@ spec:
   infrastructureRef:
     apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
     kind: AzureMachine
-    name: ${CLUSTER_NAME}-control-plane-0  
+    name: ${CLUSTER_NAME}-control-plane-0
 ---
 apiVersion: bootstrap.cluster.x-k8s.io/v1alpha3
 kind: KubeadmConfig
 metadata:
   name: ${CLUSTER_NAME}-control-plane-0
   labels:
-    initial: ''    
+    initial: ''
 spec:
   useExperimentalRetryJoin: true
   initConfiguration:
@@ -144,7 +144,7 @@ spec:
       tableType: gpt
   mounts:
   - - LABEL=etcd_disk
-    - /var/lib/etcddisk    
+    - /var/lib/etcddisk
   files:
     - contentFrom:
         secret:
@@ -177,14 +177,14 @@ spec:
     apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
     kind: AzureCluster
     name: ${CLUSTER_NAME}
----    
+---
 apiVersion: controlplane.cluster.x-k8s.io/v1alpha3
 kind: KubeadmControlPlane
 metadata:
   name: ${CLUSTER_NAME}-control-plane
   labels:
     cluster.x-k8s.io/cluster-name: "${ CLUSTER_NAME }"
-    kcp: ''  
+    kcp: ''
 spec:
   infrastructureTemplate:
     apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
@@ -279,7 +279,7 @@ spec:
         managedDisk:
           storageAccountType: Premium_LRS
         osType: Linux
-      sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64}
+      sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64:=""}
       vmSize: Standard_D2s_v3
 ---
 apiVersion: v1