WIP: Add helm version check

Until we can get helm to install via bingo, we'll have to rely on a local
install of helm, so have a minimum version check.

Signed-off-by: Todd Short <[email protected]>

Author: tmshort

Makefile

@@ -163,6 +163,7 @@ manifests: $(CONTROLLER_GEN) $(KUSTOMIZE) #EXHELP Generate WebhookConfiguration,
 	./hack/tools/patch-base-for-helm.sh
 	# Generate manifests stored in source-control
 	mkdir -p $(MANIFEST_HOME)
+	hack/tools/helm-version-check.sh
 	helm template olmv1 helm/olmv1 > $(STANDARD_MANIFEST)
 	helm template olmv1 helm/olmv1 --values helm/e2e.yaml > $(STANDARD_E2E_MANIFEST)
 	helm template olmv1 helm/olmv1 --values helm/experimental.yaml > $(EXPERIMENTAL_MANIFEST)

hack/tools/helm-version-check.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+HELM=$(command -v helm)
+if [ -z "${HELM}" ]; then
+    echo "helm command not found"
+    exit 1
+fi
+
+WANT_VER_MAJOR=3
+WANT_VER_MINOR=18
+
+LONG_VER=$(${HELM} version | sed -E 's/.*Version:"([0-9]*\.[0-9]*\.[0-9]*)".*/\1/')
+
+OLDIFS="${IFS}"
+IFS='.' HELM_VER=(${LONG_VER})
+IFS="${OLDIFS}"
+
+if [ ${#HELM_VER[*]} -ne 3 ]; then
+    echo "Invalid helm version: ${HELM_VER}"
+    exit 1
+fi
+
+HELM_MAJOR=${HELM_VER[0]}
+HELM_MINOR=${HELM_VER[1]}
+
+if [ "${HELM_MAJOR}" -ne "${WANT_VER_MAJOR}" ]; then
+    echo "Expecting helm version ${WANT_VER_MAJOR}.x, found ${LONG_VER}"
+    exit 1
+fi
+
+if [ "${HELM_MINOR}" -lt "${WANT_VER_MINOR}" ]; then
+    echo "Expecting helm minimum version ${WANT_VER_MAJOR}.${WANT_VER_MINOR}.x, found ${LONG_VER}"
+    exit 1
+fi