Merge pull request #132 from marko7460/fix/empty-zone-list

Fix/empty zone list

Author: aaron-lane

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 Extending the adopted spec, each change should have a link to its corresponding pull request appended.
 
 ## [Unreleased]
+### Fixed
+* Fix empty zone list. [#132]
 
 ## [v1.0.0] - 2019-03-25
 ### Added
@@ -72,6 +74,7 @@ Extending the adopted spec, each change should have a link to its corresponding
 [#42]: https://github.com/terraform-google-modules/terraform-google-kubernetes-engine/issues/42
 [#15]: https://github.com/terraform-google-modules/terraform-google-kubernetes-engine/issues/15
 
+[#132]: https://github.com/terraform-google-modules/terraform-google-kubernetes-engine/pull/132
 [#109]: https://github.com/terraform-google-modules/terraform-google-kubernetes-engine/pull/109
 [#108]: https://github.com/terraform-google-modules/terraform-google-kubernetes-engine/pull/108
 [#106]: https://github.com/terraform-google-modules/terraform-google-kubernetes-engine/pull/106

Makefile

@@ -18,10 +18,10 @@ SHELL := /usr/bin/env bash
 # Docker build config variables
 CREDENTIALS_PATH ?= /cft/workdir/credentials.json
 DOCKER_ORG := gcr.io/cloud-foundation-cicd
-DOCKER_TAG_BASE_KITCHEN_TERRAFORM ?= 0.11.10_216.0.0_1.19.1_0.1.10
+DOCKER_TAG_BASE_KITCHEN_TERRAFORM ?= 1.0.0
 DOCKER_REPO_BASE_KITCHEN_TERRAFORM := ${DOCKER_ORG}/cft/kitchen-terraform:${DOCKER_TAG_BASE_KITCHEN_TERRAFORM}
 DOCKER_TAG_KITCHEN_TERRAFORM ?= ${DOCKER_TAG_BASE_KITCHEN_TERRAFORM}
-DOCKER_IMAGE_KITCHEN_TERRAFORM := cft/kitchen-terraform_terraform-google-kubernetes-engine
+DOCKER_IMAGE_KITCHEN_TERRAFORM := ${DOCKER_ORG}/cft/kitchen-terraform_terraform-google-kubernetes-engine
 
 # All is the first target in the file so it will get picked up when you just run 'make' on its own
 .PHONY: all

autogen/cluster_regional.tf

@@ -27,7 +27,7 @@ resource "google_container_cluster" "primary" {
   project     = "${var.project_id}"
 
   region           = "${var.region}"
-  additional_zones = ["${coalescelist(compact(var.zones), sort(random_shuffle.available_zones.result))}"]
+  node_locations   = ["${coalescelist(compact(var.zones), sort(random_shuffle.available_zones.result))}"]
 
   network            = "${replace(data.google_compute_network.gke_network.self_link, "https://www.googleapis.com/compute/v1/", "")}"
   subnetwork         = "${replace(data.google_compute_subnetwork.gke_subnetwork.self_link, "https://www.googleapis.com/compute/v1/", "")}"

autogen/cluster_zonal.tf

@@ -27,7 +27,7 @@ resource "google_container_cluster" "zonal_primary" {
   project     = "${var.project_id}"
 
   zone             = "${var.zones[0]}"
-  additional_zones = ["${slice(var.zones,1,length(var.zones))}"]
+  node_locations   = ["${slice(var.zones,1,length(var.zones))}"]
 
   network            = "${replace(data.google_compute_network.gke_network.self_link, "https://www.googleapis.com/compute/v1/", "")}"
   subnetwork         = "${replace(data.google_compute_subnetwork.gke_subnetwork.self_link, "https://www.googleapis.com/compute/v1/", "")}"

autogen/main.tf

@@ -55,12 +55,12 @@ locals {
     zonal    = "${var.region}"
   }
 
-  cluster_type_output_regional_zones = "${concat(google_container_cluster.primary.*.additional_zones, list(list()))}"
-  cluster_type_output_zonal_zones    = "${concat(slice(var.zones,1,length(var.zones)), list(list()))}"
+  cluster_type_output_regional_zones = "${flatten(google_container_cluster.primary.*.node_locations)}"
+  cluster_type_output_zonal_zones    = "${slice(var.zones, 1, length(var.zones))}"
 
   cluster_type_output_zones = {
-    regional = "${local.cluster_type_output_regional_zones[0]}"
-    zonal    = "${concat(google_container_cluster.zonal_primary.*.zone, local.cluster_type_output_zonal_zones[0])}"
+    regional = "${local.cluster_type_output_regional_zones}"
+    zonal    = "${concat(google_container_cluster.zonal_primary.*.zone, local.cluster_type_output_zonal_zones)}"
   }
 
   cluster_type_output_endpoint = {

build/docker/kitchen_terraform/Dockerfile

@@ -18,7 +18,7 @@ ARG BASE_IMAGE
 FROM $BASE_IMAGE
 
 RUN apk add --no-cache \
-    ca-certificates=20171114-r3
+    ca-certificates=20190108-r0
 
 ADD https://storage.googleapis.com/kubernetes-release/release/v1.12.2/bin/linux/amd64/kubectl /usr/local/bin/kubectl
 RUN chmod +x /usr/local/bin/kubectl

cluster_regional.tf

@@ -27,7 +27,7 @@ resource "google_container_cluster" "primary" {
   project     = "${var.project_id}"
 
   region           = "${var.region}"
-  additional_zones = ["${coalescelist(compact(var.zones), sort(random_shuffle.available_zones.result))}"]
+  node_locations   = ["${coalescelist(compact(var.zones), sort(random_shuffle.available_zones.result))}"]
 
   network            = "${replace(data.google_compute_network.gke_network.self_link, "https://www.googleapis.com/compute/v1/", "")}"
   subnetwork         = "${replace(data.google_compute_subnetwork.gke_subnetwork.self_link, "https://www.googleapis.com/compute/v1/", "")}"

cluster_zonal.tf

@@ -27,7 +27,7 @@ resource "google_container_cluster" "zonal_primary" {
   project     = "${var.project_id}"
 
   zone             = "${var.zones[0]}"
-  additional_zones = ["${slice(var.zones,1,length(var.zones))}"]
+  node_locations   = ["${slice(var.zones,1,length(var.zones))}"]
 
   network            = "${replace(data.google_compute_network.gke_network.self_link, "https://www.googleapis.com/compute/v1/", "")}"
   subnetwork         = "${replace(data.google_compute_subnetwork.gke_subnetwork.self_link, "https://www.googleapis.com/compute/v1/", "")}"

main.tf

@@ -55,12 +55,12 @@ locals {
     zonal    = "${var.region}"
   }
 
-  cluster_type_output_regional_zones = "${concat(google_container_cluster.primary.*.additional_zones, list(list()))}"
-  cluster_type_output_zonal_zones    = "${concat(slice(var.zones,1,length(var.zones)), list(list()))}"
+  cluster_type_output_regional_zones = "${flatten(google_container_cluster.primary.*.node_locations)}"
+  cluster_type_output_zonal_zones    = "${slice(var.zones, 1, length(var.zones))}"
 
   cluster_type_output_zones = {
-    regional = "${local.cluster_type_output_regional_zones[0]}"
-    zonal    = "${concat(google_container_cluster.zonal_primary.*.zone, local.cluster_type_output_zonal_zones[0])}"
+    regional = "${local.cluster_type_output_regional_zones}"
+    zonal    = "${concat(google_container_cluster.zonal_primary.*.zone, local.cluster_type_output_zonal_zones)}"
   }
 
   cluster_type_output_endpoint = {
@@ -161,7 +161,6 @@ data "google_container_engine_versions" "zone" {
   //
   //     data.google_container_engine_versions.zone: Cannot determine zone: set in this resource, or set provider-level zone.
   //
-  zone = "${var.zones[0] == "" ? data.google_compute_zones.available.names[0] : var.zones[0]}"
-
-  project = "${var.project_id}"
-}
+  zone     = "${var.zones[0] == "" ? data.google_compute_zones.available.names[0] : var.zones[0]}"
+  project  = "${var.project_id}"
+}

modules/private-cluster/cluster_regional.tf

@@ -27,7 +27,7 @@ resource "google_container_cluster" "primary" {
   project     = "${var.project_id}"
 
   region           = "${var.region}"
-  additional_zones = ["${coalescelist(compact(var.zones), sort(random_shuffle.available_zones.result))}"]
+  node_locations   = ["${coalescelist(compact(var.zones), sort(random_shuffle.available_zones.result))}"]
 
   network            = "${replace(data.google_compute_network.gke_network.self_link, "https://www.googleapis.com/compute/v1/", "")}"
   subnetwork         = "${replace(data.google_compute_subnetwork.gke_subnetwork.self_link, "https://www.googleapis.com/compute/v1/", "")}"