autoscaling.tf

resource "azurerm_monitor_autoscale_setting" "scale_out" {
  count               = var.create_service_plan == true ? 1 : 0
  name                = azurerm_service_plan.this[0].name
  resource_group_name = var.resource_group_name
  location            = var.location
  target_resource_id  = azurerm_service_plan.this[0].id

  profile {
    name = "Scale out condition"
    capacity {
      default = 1
      minimum = 1
      maximum = 6
    }

    rule {
      metric_trigger {
        metric_name        = "CpuPercentage"
        metric_resource_id = azurerm_service_plan.this[0].id
        time_grain         = "PT1M"
        statistic          = "Average"
        time_window        = "PT5M"
        time_aggregation   = "Average"
        operator           = "GreaterThan"
        threshold          = 60
      }

      scale_action {
        direction = "Increase"
        type      = "ChangeCount"
        value     = "2"
        cooldown  = "PT5M"
      }
    }

    rule {
      metric_trigger {
        metric_name        = "CpuPercentage"
        metric_resource_id = azurerm_service_plan.this[0].id
        time_grain         = "PT1M"
        statistic          = "Average"
        time_window        = "PT5M"
        time_aggregation   = "Average"
        operator           = "LessThan"
        threshold          = 40
      }

      scale_action {
        direction = "Decrease"
        type      = "ChangeCount"
        value     = "2"
        cooldown  = "PT2M"
      }
    }
  }
}