Revert template_filetemplate_file

As template_file is cannot apply multiple manitest, instead use fileset

gavinbunney/terraform-provider-kubectl#141 (comment)

main.tf

@@ -60,18 +60,13 @@ resource "helm_release" "kuberhealthy" {
 # kuberhealthy placeholder for our future custom alerts#
 #########################
 
-data "template_file" "namespace_check_manifests" {
 
-  template = file(
-    "${path.module}/resources/namespace-check.yaml.tpl",
-  )
-
-  vars = {
-    namespace_check_version = "1.1"
-  }
+data "kubectl_path_documents" "namespace_check_manifests" {
+  pattern = "${path.module}/resources/namespace-check.yaml"
 }
 
 resource "kubectl_manifest" "namespacecheck_rule_alert" {
-  yaml_body  = data.template_file.namespace_check_manifests.rendered
+  count      = length(fileset(data.kubectl_path_documents.namespace_check_manifests.documents))
+  yaml_body  = element(data.kubectl_path_documents.namespace_check_manifests.documents, count.index)
   depends_on = [helm_release.kuberhealthy]
 }

resources/namespace-check.yaml.tpl → resources/namespace-check.yaml

@@ -10,14 +10,15 @@ spec:
   podSpec: # The exact pod spec that will run.  All normal pod spec is valid here.
     containers:
       - env: [] # Environment variables are optional but a recommended way to configure check behavior
-        image: ministryofjustice/cloud-platform-kuberhealthy-namespace-check:${namespace_check_version}
+        image: ministryofjustice/cloud-platform-kuberhealthy-namespace-check:1.1
         imagePullPolicy: IfNotPresent 
         name: main
         securityContext:
           runAsUser: 999
     serviceAccountName: namespace-check-sa
 
 ---
+
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
@@ -32,6 +33,7 @@ subjects:
     namespace: kuberhealthy
 
 ---
+
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
 metadata:
@@ -47,6 +49,7 @@ rules:
       - watch
 
 ---
+
 apiVersion: v1
 kind: ServiceAccount
 metadata: