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)}"