terraform-aws-observability-accelerator/main.tf

module "operator" {
  source = "./modules/core/opentelemetry-operator"

  enable_cert_manager = var.enable_cert_manager

  enable_amazon_eks_adot        = var.enable_amazon_eks_adot
  enable_opentelemetry_operator = var.enable_opentelemetry_operator

  kubernetes_version = local.eks_cluster_version
  addon_context      = local.context
}

resource "aws_prometheus_workspace" "this" {
  count = var.enable_managed_prometheus ? 1 : 0

  alias = local.name
  tags  = var.tags
}


resource "aws_prometheus_alert_manager_definition" "this" {
  count = var.enable_alertmanager ? 1 : 0

  workspace_id = local.amp_ws_id

  # TODO: support custom alert manager config
  definition = <<EOF
alertmanager_config: |
    route:
      receiver: 'default'
    receivers:
      - name: 'default'
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
}

resource "grafana_data_source" "amp" {
  type       = "prometheus"
  name       = local.name
  is_default = true
  url        = local.amp_ws_endpoint
  json_data {
    http_method     = "GET"
    sigv4_auth      = true
    sigv4_auth_type = "workspace-iam-role"
    sigv4_region    = local.amp_ws_region
  }
}


# dashboards
resource "grafana_folder" "this" {
  title = "Observability Accelerator Dashboards"
}

module "java" {
  count  = var.enable_java ? 1 : 0
  source = "./modules/workloads/java"

  addon_context = local.context

  amp_endpoint = local.amp_ws_endpoint
  amp_id       = local.amp_ws_id
  amp_region   = local.amp_ws_region

  enable_recording_rules = var.enable_java_recording_rules

  dashboards_folder_id = grafana_folder.this.id

  depends_on = [
    module.operator
  ]
}

module "infra" {
  count  = var.enable_infra_metrics ? 1 : 0
  source = "./modules/workloads/kube-prometheus"

  addon_context = local.context

  amp_endpoint = local.amp_ws_endpoint
  amp_id       = local.amp_ws_id
  amp_region   = local.amp_ws_region
  config       = var.infra_metrics_config

  dashboards_folder_id = grafana_folder.this.id

  depends_on = [
    module.operator
  ]

}