Merge pull request #76 from jetstack/variable-types

Change bool variables to use bool type

example/variables.tf

@@ -122,8 +122,8 @@ EOF
 }
 
 variable "private_endpoint" {
-  type    = string
-  default = "false"
+  type    = bool
+  default = false
 
   description = <<EOF
 Whether the master's internal IP address is used as the cluster endpoint and the
@@ -132,8 +132,8 @@ EOF
 }
 
 variable "private_nodes" {
-  type    = string
-  default = "true"
+  type    = bool
+  default = true
 
   description = <<EOF
 Whether nodes have internal IP addresses only. If enabled, all nodes are given
@@ -213,8 +213,8 @@ EOF
 }
 
 variable "access_private_images" {
-  type    = string
-  default = "false"
+  type    = bool
+  default = false
 
   description = <<EOF
 Whether to create the IAM role for storage.objectViewer, required to access
@@ -223,8 +223,8 @@ EOF
 }
 
 variable "http_load_balancing_disabled" {
-  type    = string
-  default = "false"
+  type    = bool
+  default = false
 
   description = <<EOF
 The status of the HTTP (L7) load balancing controller addon, which makes it 

variables.tf

@@ -154,8 +154,8 @@ EOF
 }
 
 variable "access_private_images" {
-  type    = string
-  default = "false"
+  type    = bool
+  default = false
 
   description = <<EOF
 Whether to create the IAM role for storage.objectViewer, required to access
@@ -164,8 +164,8 @@ EOF
 }
 
 variable "http_load_balancing_disabled" {
-  type    = string
-  default = "false"
+  type    = bool
+  default = false
 
   description = <<EOF
 The status of the HTTP (L7) load balancing controller addon, which makes it 
@@ -266,8 +266,8 @@ EOF
 }
 
 variable "stackdriver_logging" {
-  type    = "string"
-  default = "true"
+  type    = bool
+  default = true
 
   description = <<EOF
 Whether Stackdriver Kubernetes logging is enabled. This should only be set to
@@ -276,8 +276,8 @@ EOF
 }
 
 variable "stackdriver_monitoring" {
-  type    = "string"
-  default = "true"
+  type    = bool
+  default = true
 
   description = <<EOF
 Whether Stackdriver Kubernetes monitoring is enabled. This should only be set to
@@ -286,8 +286,8 @@ EOF
 }
 
 variable "private_endpoint" {
-  type    = string
-  default = "false"
+  type    = bool
+  default = false
 
   description = <<EOF
 Whether the master's internal IP address is used as the cluster endpoint and the
@@ -296,8 +296,8 @@ EOF
 }
 
 variable "private_nodes" {
-  type    = string
-  default = "true"
+  type    = bool
+  default = true
 
   description = <<EOF
 Whether nodes have internal IP addresses only. If enabled, all nodes are given