set to empty string

Author: willie-yao

templates/test/ci/cluster-template-prow-dalec-custom-builds.yaml

@@ -92,9 +92,9 @@ spec:
           set -o pipefail
           set -o errexit
 
-          export KUBEADM_REVISION="${KUBEADM_REVISION:-}"
-          export KUBECTL_REVISION="${KUBECTL_REVISION:-}"
-          export KUBELET_REVISION="${KUBELET_REVISION:-}"
+          export KUBEADM_REVISION="${KUBEADM_REVISION:-""}"
+          export KUBECTL_REVISION="${KUBECTL_REVISION:-""}"
+          export KUBELET_REVISION="${KUBELET_REVISION:-""}"
 
           systemctl stop kubelet
 

templates/test/ci/prow-dalec-custom-builds/patches/azl3-machine-deployment.yaml

@@ -7,9 +7,9 @@
       set -o pipefail
       set -o errexit
 
-      export KUBEADM_REVISION="${KUBEADM_REVISION:-}"
-      export KUBECTL_REVISION="${KUBECTL_REVISION:-}"
-      export KUBELET_REVISION="${KUBELET_REVISION:-}"
+      export KUBEADM_REVISION="${KUBEADM_REVISION:-""}"
+      export KUBECTL_REVISION="${KUBECTL_REVISION:-""}"
+      export KUBELET_REVISION="${KUBELET_REVISION:-""}"
 
       systemctl stop kubelet
 

templates/test/ci/prow-dalec-custom-builds/patches/control-plane-custom-builds.yaml

@@ -7,9 +7,9 @@
       set -o pipefail
       set -o errexit
 
-      export KUBEADM_REVISION="${KUBEADM_REVISION:-}"
-      export KUBECTL_REVISION="${KUBECTL_REVISION:-}"
-      export KUBELET_REVISION="${KUBELET_REVISION:-}"
+      export KUBEADM_REVISION="${KUBEADM_REVISION:-""}"
+      export KUBECTL_REVISION="${KUBECTL_REVISION:-""}"
+      export KUBELET_REVISION="${KUBELET_REVISION:-""}"
 
       systemctl stop kubelet