Make creation of Grafana Data Source and Folder configurable (#145)

* Made the cluster variable visible in dashboards

* Made the repo reusable with multiple EKS clusters

* Relabled the input variable from create_grafana_data_source to create_prometheus_data_source

modules/eks-monitoring/patterns/java/README.md

@@ -42,6 +42,8 @@ No modules.
 |------|-------------|------|---------|:--------:|
 | <a name="input_dashboards_folder_id"></a> [dashboards\_folder\_id](#input\_dashboards\_folder\_id) | Grafana folder ID for automatic dashboards | `string` | n/a | yes |
 | <a name="input_enable_alerting_rules"></a> [enable\_alerting\_rules](#input\_enable\_alerting\_rules) | Enables or disables Managed Prometheus alerting rules | `bool` | `true` | no |
+| <a name="input_enable_dashboards"></a> [enable\_dashboards](#input\_enable\_dashboards) | Enables or disables curated dashboards | `bool` | `true` | no |
+| <a name="input_enable_recording_rules"></a> [enable\_recording\_rules](#input\_enable\_recording\_rules) | Enables or disables Managed Prometheus recording rules | `bool` | `true` | no |
 | <a name="input_managed_prometheus_workspace_id"></a> [managed\_prometheus\_workspace\_id](#input\_managed\_prometheus\_workspace\_id) | Amazon Managed Prometheus Workspace ID | `string` | `null` | no |
 
 ## Outputs

modules/eks-monitoring/patterns/java/main.tf

@@ -1,4 +1,5 @@
 resource "aws_prometheus_rule_group_namespace" "recording_rules" {
+  count        = var.enable_recording_rules ? 1 : 0
   name         = "accelerator-java-rules"
   workspace_id = var.managed_prometheus_workspace_id
   data         = <<EOF
@@ -31,6 +32,7 @@ EOF
 }
 
 resource "grafana_dashboard" "this" {
+  count       = var.enable_dashboards ? 1 : 0
   folder      = var.dashboards_folder_id
   config_json = file("${path.module}/dashboards/default.json")
 }

modules/eks-monitoring/patterns/java/variables.tf

@@ -4,6 +4,12 @@ variable "enable_alerting_rules" {
   default     = true
 }
 
+variable "enable_recording_rules" {
+  description = "Enables or disables Managed Prometheus recording rules"
+  type        = bool
+  default     = true
+}
+
 variable "managed_prometheus_workspace_id" {
   description = "Amazon Managed Prometheus Workspace ID"
   type        = string
@@ -14,3 +20,9 @@ variable "dashboards_folder_id" {
   description = "Grafana folder ID for automatic dashboards"
   type        = string
 }
+
+variable "enable_dashboards" {
+  description = "Enables or disables curated dashboards"
+  type        = bool
+  default     = true
+}