🐛 escape / defer interpolation of TRIMMED/RESOLVED variables to runtime

Author: rawkode

templates/cluster-template.yaml

@@ -48,9 +48,9 @@ spec:
       - apt-key fingerprint 0EBFCD88
       - add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
       - apt-get update -y
-      - TRIMMED_KUBERNETES_VERSION=$(echo $KUBERNETES_VERSION | sed 's/\./\\./g' | sed 's/^v//')
-      - RESOLVED_KUBERNETES_VERSION=$(apt-cache policy kubelet | awk -v VERSION=${TRIMMED_KUBERNETES_VERSION} '$1~ VERSION { print $1 }' | head -n1)
-      - apt-get install -y ca-certificates socat jq ebtables apt-transport-https cloud-utils prips docker-ce docker-ce-cli containerd.io kubelet=${RESOLVED_KUBERNETES_VERSION} kubeadm=${RESOLVED_KUBERNETES_VERSION} kubectl=${RESOLVED_KUBERNETES_VERSION}
+      - TRIMMED_KUBERNETES_VERSION=$(echo ${KUBERNETES_VERSION} | sed 's/\./\\./g' | sed 's/^v//')
+      - RESOLVED_KUBERNETES_VERSION=$(apt-cache policy kubelet | awk -v VERSION=$${TRIMMED_KUBERNETES_VERSION} '$1~ VERSION { print $1 }' | head -n1)
+      - apt-get install -y ca-certificates socat jq ebtables apt-transport-https cloud-utils prips docker-ce docker-ce-cli containerd.io kubelet=$${RESOLVED_KUBERNETES_VERSION} kubeadm=$${RESOLVED_KUBERNETES_VERSION} kubectl=$${RESOLVED_KUBERNETES_VERSION}
       - systemctl daemon-reload
       - systemctl enable docker
       - systemctl start docker
@@ -162,9 +162,9 @@ spec:
         - apt-key fingerprint 0EBFCD88
         - add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
         - apt-get update -y
-        - TRIMMED_KUBERNETES_VERSION=$(echo $KUBERNETES_VERSION | sed 's/\./\\./g' | sed 's/^v//')
-        - RESOLVED_KUBERNETES_VERSION=$(apt-cache policy kubelet | awk -v VERSION=${TRIMMED_KUBERNETES_VERSION} '$1~ VERSION { print $1 }' | head -n1)
-        - apt-get install -y ca-certificates socat jq ebtables apt-transport-https cloud-utils prips docker-ce docker-ce-cli containerd.io kubelet=${RESOLVED_KUBERNETES_VERSION} kubeadm=${RESOLVED_KUBERNETES_VERSION} kubectl=${RESOLVED_KUBERNETES_VERSION}
+        - TRIMMED_KUBERNETES_VERSION=$(echo ${KUBERNETES_VERSION} | sed 's/\./\\./g' | sed 's/^v//')
+        - RESOLVED_KUBERNETES_VERSION=$(apt-cache policy kubelet | awk -v VERSION=$${TRIMMED_KUBERNETES_VERSION} '$1~ VERSION { print $1 }' | head -n1)
+        - apt-get install -y ca-certificates socat jq ebtables apt-transport-https cloud-utils prips docker-ce docker-ce-cli containerd.io kubelet=$${RESOLVED_KUBERNETES_VERSION} kubeadm=$${RESOLVED_KUBERNETES_VERSION} kubectl=$${RESOLVED_KUBERNETES_VERSION}
         - systemctl daemon-reload
         - systemctl enable docker
         - systemctl start docker