Merge pull request #1 from Sudokamikaze/master

WIP: Add common options

README.md

@@ -1,25 +1,35 @@
-# terraform-kapsule-module
+terraform-kapsule-module
+----
+
+Terraform module for Scaleway's Kubernetes engine -- Kapsule
+
+Example of usage:
 ```
 module "kapsule-quantile" {
   source = "gris-gris/kapsule/scaleway"
 
   kapsule_name = "name"
-  kapsule_pg_name = "name"
-  kapsule_pg_policy_type = "max_availability"
-  kapsule_pg_policy_mode = "enforced"
-  kapsule_pg_zone = "fr-par-1"
+  kapsule_node_type = "DEV1-M"
+  kapsule_size = 1
+
   kapsule_k8s_version = "1.16.7"
   kapsule_cni = "weave"
   kapsule_dashboard = true
   kapsule_ingress = "nginx"
+
   kapsule_tags = [
     "Scope=rnd"
   ]
-  kapsule_default_flavor = "DEV1-M"
-  kapsule_as = true
+
+  kapsule_pg_name = "name"
+  kapsule_pg_policy_type = "max_availability"
+  kapsule_pg_policy_mode = "enforced"
+  kapsule_pg_zone = "fr-par-1"
+
+  kapsule_as = true # Note, if true kapsule_size will be ignored
   kapsule_ah = true
-  kapsule_as_lowcap = 1
-  kapsule_as_highcap = 3
+  kapsule_as_lowcap = var.kapsule_size
+  kapsule_as_highcap = "${var.kapsule_as_lowcap + 3}"
   kapsule_as_disable_scaledown = false
 }
 ```

kapsule.tf

@@ -7,8 +7,8 @@ resource "scaleway_k8s_cluster_beta" "kapsule" {
   tags = var.kapsule_tags
 
   default_pool {
-    node_type = var.kapsule_default_flavor
-    size = 1
+    node_type = var.kapsule_node_type
+    size = var.kapsule_as == true ? var.kapsule_size : 1
     autoscaling = var.kapsule_as
     autohealing = var.kapsule_ah
     min_size = var.kapsule_as_lowcap

variables.tf

@@ -2,6 +2,10 @@ variable "kapsule_name" {
   default = ""
 }
 
+variable "kapsule_size" {
+  default = 1
+}
+
 variable "kapsule_pg_name" {
   default = ""
 }
@@ -39,7 +43,7 @@ variable "kapsule_tags" {
   type        = list(string)
 }
 
-variable "kapsule_default_flavor" {
+variable "kapsule_node_type" {
   default = ""
 }
 
@@ -52,11 +56,11 @@ variable "kapsule_ah" {
 }
 
 variable "kapsule_as_lowcap" {
-  default = ""
+  default = var.kapsule_size
 }
 
 variable "kapsule_as_highcap" {
-  default = ""
+  default = "${var.kapsule_as_lowcap + 3}"
 }
 
 variable "kapsule_as_disable_scaledown" {