fix: test gcp_public_cidrs_access_enabled is not null

Author: Laurent Grangeau

autogen/main/cluster.tf.tmpl

@@ -257,7 +257,7 @@ resource "google_container_cluster" "primary" {
   enable_autopilot = true
 {% endif %}
   dynamic "master_authorized_networks_config" {
-    for_each = {% if private_cluster %}var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled || {% endif %}length(var.master_authorized_networks) > 0 ? [true] : []
+    for_each = {% if private_cluster %}var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled != null || {% endif %}length(var.master_authorized_networks) > 0 ? [true] : []
     content {
       gcp_public_cidrs_access_enabled = var.gcp_public_cidrs_access_enabled
       dynamic "cidr_blocks" {

modules/beta-autopilot-private-cluster/cluster.tf

@@ -106,7 +106,7 @@ resource "google_container_cluster" "primary" {
   enable_fqdn_network_policy = var.enable_fqdn_network_policy
   enable_autopilot           = true
   dynamic "master_authorized_networks_config" {
-    for_each = var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled || length(var.master_authorized_networks) > 0 ? [true] : []
+    for_each = var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled != null || length(var.master_authorized_networks) > 0 ? [true] : []
     content {
       gcp_public_cidrs_access_enabled = var.gcp_public_cidrs_access_enabled
       dynamic "cidr_blocks" {

modules/beta-private-cluster-update-variant/cluster.tf

@@ -211,7 +211,7 @@ resource "google_container_cluster" "primary" {
 
   enable_fqdn_network_policy = var.enable_fqdn_network_policy
   dynamic "master_authorized_networks_config" {
-    for_each = var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled || length(var.master_authorized_networks) > 0 ? [true] : []
+    for_each = var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled != null || length(var.master_authorized_networks) > 0 ? [true] : []
     content {
       gcp_public_cidrs_access_enabled = var.gcp_public_cidrs_access_enabled
       dynamic "cidr_blocks" {

modules/beta-private-cluster/cluster.tf

@@ -211,7 +211,7 @@ resource "google_container_cluster" "primary" {
 
   enable_fqdn_network_policy = var.enable_fqdn_network_policy
   dynamic "master_authorized_networks_config" {
-    for_each = var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled || length(var.master_authorized_networks) > 0 ? [true] : []
+    for_each = var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled != null || length(var.master_authorized_networks) > 0 ? [true] : []
     content {
       gcp_public_cidrs_access_enabled = var.gcp_public_cidrs_access_enabled
       dynamic "cidr_blocks" {

modules/private-cluster-update-variant/cluster.tf

@@ -190,7 +190,7 @@ resource "google_container_cluster" "primary" {
   enable_cilium_clusterwide_network_policy = var.enable_cilium_clusterwide_network_policy
 
   dynamic "master_authorized_networks_config" {
-    for_each = var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled || length(var.master_authorized_networks) > 0 ? [true] : []
+    for_each = var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled != null || length(var.master_authorized_networks) > 0 ? [true] : []
     content {
       gcp_public_cidrs_access_enabled = var.gcp_public_cidrs_access_enabled
       dynamic "cidr_blocks" {

modules/private-cluster/cluster.tf

@@ -190,7 +190,7 @@ resource "google_container_cluster" "primary" {
   enable_cilium_clusterwide_network_policy = var.enable_cilium_clusterwide_network_policy
 
   dynamic "master_authorized_networks_config" {
-    for_each = var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled || length(var.master_authorized_networks) > 0 ? [true] : []
+    for_each = var.enable_private_endpoint || var.gcp_public_cidrs_access_enabled != null || length(var.master_authorized_networks) > 0 ? [true] : []
     content {
       gcp_public_cidrs_access_enabled = var.gcp_public_cidrs_access_enabled
       dynamic "cidr_blocks" {