Add kustomize patches to Terraform example

Signed-off-by: Stefan Prodan <[email protected]>

config/terraform/main.tf

@@ -27,7 +27,7 @@ resource "kubernetes_namespace" "flux_system" {
 // Create a Kubernetes secret with the Git credentials
 // if a Git token is provided.
 resource "kubernetes_secret" "git_auth" {
-  count = var.git_token != "" ? 1 : 0
+  count      = var.git_token != "" ? 1 : 0
   depends_on = [kubernetes_namespace.flux_system]
 
   metadata {
@@ -63,7 +63,7 @@ resource "helm_release" "flux_instance" {
   repository = "oci://ghcr.io/controlplaneio-fluxcd/charts"
   chart      = "flux-instance"
 
-  // Configure the Flux components and automated upgrades.
+  // Configure the Flux distribution.
   set {
     name  = "instance.distribution.version"
     value = var.flux_version
@@ -72,6 +72,8 @@ resource "helm_release" "flux_instance" {
     name  = "instance.distribution.registry"
     value = var.flux_registry
   }
+
+  // Configure the Flux components.
   set_list {
     name = "instance.components"
     value = [
@@ -84,6 +86,11 @@ resource "helm_release" "flux_instance" {
     ]
   }
 
+  // Customise the Flux components.
+  values = [
+    file("resources/kustomize-patches.yaml")
+  ]
+
   // Configure Flux Git sync.
   set {
     name  = "instance.sync.kind"
@@ -106,4 +113,3 @@ resource "helm_release" "flux_instance" {
     value = var.git_token != "" ? "flux-system" : ""
   }
 }
-

config/terraform/resources/kustomize-patches.yaml

@@ -0,0 +1,13 @@
+instance:
+  kustomize:
+    patches:
+      - target:
+          kind: Deployment
+          name: "(kustomize-controller|helm-controller)"
+        patch: |
+          - op: add
+            path: /spec/template/spec/containers/0/args/-
+            value: --concurrent=10
+          - op: add
+            path: /spec/template/spec/containers/0/args/-
+            value: --requeue-dependency=10s