feat: add configurable node pools

Signed-off-by: Mateusz Urbanek <[email protected]>

terraform/linode/modules/lke/main.tf

@@ -14,9 +14,12 @@ resource "linode_lke_cluster" "lke" {
     "prod",
   ]
 
-  pool {
-    type  = "g6-standard-2"
-    count = 3
+  dynamic "pool" {
+    for_each = var.node_pools
+    content {
+      type  = pool.value.type
+      count = pool.value.count
+    }
   }
 }
 

terraform/linode/modules/lke/variables.tf

@@ -22,13 +22,42 @@ variable "flux" {
 }
 
 variable "github_repo" {
-  type = string
+  type     = string
+  nullable = false
+
+  validation {
+    condition     = !(var.flux && (var.github_repo == null || var.github_repo == ""))
+    error_message = "'github_repo' must be set when 'flux' is true."
+  }
 }
 
 variable "github_token" {
-  type = string
+  type     = string
+  nullable = false
+
+  validation {
+    condition     = !(var.flux && (var.github_token == null || var.github_token == ""))
+    error_message = "'github_token' must be set when 'flux' is true."
+  }
 }
 
 variable "bitwarden_token" {
-  type = string
+  type     = string
+  nullable = false
+
+  validation {
+    condition     = !(var.flux && (var.bitwarden_token == null || var.bitwarden_token == ""))
+    error_message = "'bitwarden_token' must be set when 'flux' is true."
+  }
+}
+
+variable "node_pools" {
+  type = list(object({
+    type  = string
+    count = number
+  }))
+
+  default = [
+    { type = "g6-standard-2", count = 3 },
+  ]
 }