Merge pull request terraform-google-modules#60 from egnyte/OPS-31744

Add initial_node_count var for node_pool block

Author: morgante

CHANGELOG.md

@@ -10,6 +10,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 * Set `horizontal_pod_autoscaling` to `true` by default. #42
 * Add `remove_default_node_pool` set to `false` by default #15
 * Allow arbitrary key-value pairs to be set on node pool metadata. #52
+* Add `initial_node_count` parameter to node_pool block. #60 
 
 ## [v0.4.0] - 2018-12-19
 ### Added

README.md

@@ -30,17 +30,18 @@ module "gke" {
 
  node_pools = [
  {
- name = "default-node-pool"
- machine_type = "n1-standard-2"
- min_count = 1
- max_count = 100
- disk_size_gb = 100
- disk_type = "pd-standard"
- image_type = "COS"
- auto_repair = true
- auto_upgrade = true
- service_account = "project-service-account@<PROJECT ID>.iam.gserviceaccount.com"
- preemptible = false
+ name = "default-node-pool"
+ machine_type = "n1-standard-2"
+ min_count = 1
+ max_count = 100
+ disk_size_gb = 100
+ disk_type = "pd-standard"
+ image_type = "COS"
+ auto_repair = true
+ auto_upgrade = true
+ service_account = "project-service-account@<PROJECT ID>.iam.gserviceaccount.com"
+ preemptible = false
+ initial_node_count = 80
  },
  ]
 

cluster_regional.tf

@@ -95,7 +95,7 @@ resource "google_container_node_pool" "pools" {
  region = "${var.region}"
  cluster = "${var.name}"
  version = "${lookup(var.node_pools[count.index], "auto_upgrade", false) ? "" : lookup(var.node_pools[count.index], "version", local.node_version)}"
- initial_node_count = "${lookup(var.node_pools[count.index], "min_count", 1)}"
+ initial_node_count = "${lookup(var.node_pools[count.index], "initial_node_count", lookup(var.node_pools[count.index], "min_count", 1))}"
 
  autoscaling {
  min_node_count = "${lookup(var.node_pools[count.index], "min_count", 1)}"

cluster_zonal.tf

@@ -95,7 +95,7 @@ resource "google_container_node_pool" "zonal_pools" {
  zone = "${var.zones[0]}"
  cluster = "${var.name}"
  version = "${lookup(var.node_pools[count.index], "auto_upgrade", false) ? "" : lookup(var.node_pools[count.index], "version", local.node_version)}"
- initial_node_count = "${lookup(var.node_pools[count.index], "min_count", 1)}"
+ initial_node_count = "${lookup(var.node_pools[count.index], "initial_node_count", lookup(var.node_pools[count.index], "min_count", 1))}"
 
  autoscaling {
  min_node_count = "${lookup(var.node_pools[count.index], "min_count", 1)}"