Install the CRD before the helm charts and remove the CRD creation from the operator (#1090)

Author: andreaTP

core/cloudflow-it/Makefile

@@ -46,6 +46,8 @@ prepare-cluster:
 		https://github.com/lightbend/flink-operator/releases/download/v0.8.2/flink-operator-0.8.2.tgz \
 		--set operatorVersion="v0.5.0" \
 		--namespace cloudflow)
+	@echo '****** Installing Cloudflow CRD'
+	kubectl apply -f ../cloudflow-crd/kubernetes/cloudflow-crd.yaml
 	@echo '****** Installing Cloudflow Operator'
 	helm repo add cloudflow-helm-charts https://lightbend.github.io/cloudflow-helm-charts/ | true
 	helm repo update

core/cloudflow-operator/src/main/scala/cloudflow/operator/Main.scala

@@ -144,13 +144,9 @@ object Main extends {
       case Some(crd) if crd.getSpec.getVersion == App.GroupVersion =>
         system.log.info(s"CRD found at version ${App.GroupVersion}")
       case _ =>
-        client
-          .apiextensions()
-          .v1beta1()
-          .customResourceDefinitions()
-          .inNamespace(settings.podNamespace)
-          .withName(App.ResourceName)
-          .create(App.Crd)
+        system.log.error(
+          s"Cloudflow CRD not found, please install it: 'kubectl apply -f https://raw.githubusercontent.com/lightbend/cloudflow/v${BuildInfo.version}/core/cloudflow-crd/kubernetes/cloudflow-crd.yaml'")
+        throw new Exception("Cloudflow CRD not found")
     }
   }
 

docs/shared-content-source/docs/modules/administration/pages/installing-cloudflow.adoc

@@ -9,7 +9,12 @@ It also shows how to install Kafka, Spark, and Flink operators that integrate wi
 In this guide, we will use Helm to install Cloudflow.
 Please see xref:get-started:prepare-development-environment.adoc#_download_and_install_the_cloudflow_cli[Preparing a development environment] for how to download and install the Cloudflow CLI. 
 
-The first step is to create the namespace, if it does not exist yet, to install Cloudflow into:
+The first step is to create the Cloudflow CRD in the cluster:
+
+[subs="attributes+"]
+  kubectl apply -f https://raw.githubusercontent.com/lightbend/cloudflow/v{cloudflow-version}/core/cloudflow-crd/kubernetes/cloudflow-crd.yaml
+
+next the namespace, if it does not exist yet, to install Cloudflow into:
 
   kubectl create ns cloudflow