Amazon Managed Grafana setup (#133)

* Managed Grafana Workspace with Identity Centre Users (#83)

* update kuberenetes and instance type

* initial setup of managed grafana workspace and identity centre identities

* cleanup

* run precommit

* output grafana workspace ID

* add identity store id variable

* remove API key

* update outputs naming convention as per terraform guidelines

* update docs and add versions

* update variables type

* update naming conventions

* add managed policy arn for querying promethues

* update readme

* update workshop references to this

* add role arn type

* cleanup and simplification

* remove workshop

---------

Co-authored-by: charlie keegan <chakeega@amazon.com>
Co-authored-by: Rodrigue Koffi <bonclay7@users.noreply.github.com>

* Rename example

* Update grafana example and base module references

* Update example's reference

* Cleanup and docs ref

* Add docs

* Update docs

* TODO: add link after merge

* Update managed-grafana.md

---------

Co-authored-by: Charlie Keegan <91210223+charliekeeegan@users.noreply.github.com>
Co-authored-by: charlie keegan <chakeega@amazon.com>
Co-authored-by: Mark Beacom <7315957+mbeacom@users.noreply.github.com>

variables.tf

@@ -27,17 +27,12 @@ variable "enable_alertmanager" {
   default     = false
 }
 
-variable "enable_managed_grafana" {
-  description = "Creates a new Amazon Managed Grafana Workspace"
-  type        = bool
-  default     = true
-}
-
 variable "managed_grafana_workspace_id" {
   description = "Amazon Managed Grafana Workspace ID"
   type        = string
   default     = ""
 }
+
 variable "grafana_api_key" {
   description = "Grafana API key for the Amazon Managed Grafana workspace"
   type        = string