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>

main.tf

@@ -19,20 +19,6 @@ alertmanager_config: |
 EOF
 }
 
-module "managed_grafana" {
-  count   = var.enable_managed_grafana ? 1 : 0
-  source  = "terraform-aws-modules/managed-service-grafana/aws"
-  version = "~> 1.3"
-
-  # Workspace
-  name              = local.name
-  stack_set_name    = local.name
-  data_sources      = ["PROMETHEUS"]
-  associate_license = false
-
-  tags = var.tags
-}
-
 provider "grafana" {
   url  = local.amg_ws_endpoint
   auth = var.grafana_api_key