provider "azurerm" {
  version         = "=1.24.0"
  subscription_id = "${var.subscription_id}"
  client_id       = "${var.client_id}"
  client_secret   = "${var.client_secret}"
  tenant_id       = "${var.tenant_id}"
}

resource "azurerm_resource_group" "k8s" {
  name     = "${var.resource_group}"
  location = "${var.resource_group_location}"
}

{{- if .UseSampleApplication}}
# This creates a MySQL server
resource "azurerm_mysql_server" "main" {
  name                = "${var.prefix}-mysql-server"
  location            = "${azurerm_resource_group.k8s.location}"
  resource_group_name = "${azurerm_resource_group.k8s.name}"

  sku {
    name     = "B_Gen5_2"
    capacity = 2
    tier     = "Basic"
    family   = "Gen5"
  }

  storage_profile {
    storage_mb            = 5120
    backup_retention_days = 7
    geo_redundant_backup  = "Disabled"
  }

  administrator_login          = "${var.mysql_master_username}"
  administrator_login_password = "${var.mysql_master_password}"
  version                      = "5.7"
  ssl_enforcement              = "Disabled"
}

# This is the database that our application will use
resource "azurerm_mysql_database" "main" {
  name                = "${var.db_name_prefix}_mysql_db"
  resource_group_name = "${azurerm_resource_group.k8s.name}"
  server_name         = "${azurerm_mysql_server.main.name}"
  charset             = "utf8"
  collation           = "utf8_unicode_ci"
}

# This rule is to enable the 'Allow access to Azure services' checkbox
resource "azurerm_mysql_firewall_rule" "main" {
  name                = "${var.prefix}-mysql-firewall"
  resource_group_name = "${azurerm_resource_group.k8s.name}"
  server_name         = "${azurerm_mysql_server.main.name}"
  start_ip_address    = "0.0.0.0"
  end_ip_address      = "0.0.0.0"
}
{{- end}}

# This creates the plan that the service use
resource "azurerm_app_service_plan" "main" {
  name                = "${var.prefix}-asp"
  location            = "${azurerm_resource_group.k8s.location}"
  resource_group_name = "${azurerm_resource_group.k8s.name}"
  kind                = "Linux"
  reserved            = true

  sku {
    tier = "Standard"
    size = "S1"
  }
}

# This creates the service definition
resource "azurerm_app_service" "main" {
  name                = "${var.prefix}-appservice"
  location            = "${azurerm_resource_group.k8s.location}"
  resource_group_name = "${azurerm_resource_group.k8s.name}"
  app_service_plan_id = "${azurerm_app_service_plan.main.id}"

  site_config {
    app_command_line = ""
    linux_fx_version = "DOCKER|${var.docker_image}:${var.docker_image_tag}"
    always_on        = true
  }

  app_settings = {
    "WEBSITES_ENABLE_APP_SERVICE_STORAGE" = "false"
    "DOCKER_REGISTRY_SERVER_URL"          = "https://index.docker.io"

    # These are app specific environment variables go here
    {{- if .UseSampleApplication}}
    "SPRING_PROFILES_ACTIVE"     = "prod,swagger"
    "SPRING_DATASOURCE_URL"      = "jdbc:mysql://${azurerm_mysql_server.main.fqdn}:3306/${azurerm_mysql_database.main.name}?useUnicode=true&characterEncoding=utf8&useSSL=false&useLegacyDatetimeCode=false&serverTimezone=UTC"
    "SPRING_DATASOURCE_USERNAME" = "${var.mysql_master_username}@${azurerm_mysql_server.main.name}"
    "SPRING_DATASOURCE_PASSWORD" = "${var.mysql_master_password}"
    {{- else}}
    "SPRING_PROFILES_ACTIVE"     = "dev"
    {{- end}}
  }
}