#sre (2020-11)

##################################################
# Terraform
##################################################
terraform {
  required_version = "= 0.13.5"

  required_providers {
    grafana = {
      source  = "grafana/grafana"
      version = "~> 1.7.0"
    }
    jsonnet = {
      source  = "alxrem/jsonnet"
      version = "~> 1.0.1"
    }
  }

  backend "s3" {
    bucket         = "BADGERS"
    region         = "BADGERS"
    key            = "BADGERS"
    dynamodb_table = "BADGERS"
    role_arn       = "BADGERS"
  }
}

##################################################
# Providers
##################################################
provider "jsonnet" {
  jsonnet_path = ["${path.module}/.terraform/modules/grafonnet-lib/"]
}

provider "grafana" {
  url  = local.grafana_url
  auth = var.grafana_auth
}

##################################################
# Variables
##################################################
variable "grafana_auth" {
  type        = string
  description = "Grafana Auth"
  default     = null
}

variable "namespace" {
  type        = string
  description = "Team namespace"
}

variable "team_name" {
  type        = string
  description = "Display friendly team name"
}

variable "jenkins_master_build_repos" {
  type        = list
  description = "List of service repos to fetch master build duration for"
  default     = []
}

variable "jenkins_prod_deploy_jobs" {
  type        = list
  description = "List of jobs to fetch prod deploy duration for"
  default     = []
}

locals {
  grafana_url = "us-east-1.BADGERS.net"
}

##################################################
# Grafonnet-lib
##################################################
module "grafonnet-lib" {
  source = "git::<https://github.com/grafana/grafonnet-lib.git?ref=356bd73e4792ffe107725776ca8946895969c191>"
}

##################################################
# Dashboard folder
##################################################
resource "grafana_folder" "default" {
  title = "${var.team_name} Dashboards"
}

##################################################
# Dashboards
##################################################
resource "grafana_dashboard" "jenkins" {
  folder      = grafana_folder.default.id
  config_json = data.jsonnet_file.jenkins.rendered
}

data "jsonnet_file" "jenkins" {
  source = "${path.module}/dashboards/jenkins.jsonnet"

  ext_code = {
    tags                       = jsonencode(list("userservices", "jenkins"))
    jenkins_master_build_repos = jsonencode(var.jenkins_master_build_repos)
    jenkins_prod_deploy_jobs   = jsonencode(var.jenkins_prod_deploy_jobs)
  }

  ext_str = {
    namespace            = var.namespace
    cloudwatch_namespace = "${var.namespace}/jenkins"
    service              = "jenkins-jobs"
  }
}