resource "datadog_monitor" "virtualmachine_status" {
  count = var.status_enabled == "true" ? 1 : 0
  name    = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] Virtual Machine is unreachable"
  message = coalesce(var.status_message, var.message)
  type = "query alert"

  query = <<EOQ
      ${var.status_time_aggregator}(${var.status_timeframe}): (
        avg:azure.vm.status${module.filter-tags.query_alert} by {resource_group,region,name}
      ) < 1
EOQ

  evaluation_delay = var.evaluation_delay
  new_host_delay = var.new_host_delay
  notify_no_data = true
  renotify_interval = 0
  notify_audit = false
  timeout_h = 0
  include_tags = true
  locked = false
  require_full_window = false

  tags = ["env:${var.environment}", "type:cloud", "provider:azure", "resource:virtualmachine", "team:claranet", "created-by:terraform", var.status_extra_tags]
}

resource "datadog_monitor" "virtualmachine_cpu_usage" {
  count = var.cpu_usage_enabled == "true" ? 1 : 0
  name = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] Virtual Machine CPU usage {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
  message = coalesce(var.cpu_usage_message, var.message)
  type = "query alert"

  query = <<EOQ
    ${var.cpu_usage_time_aggregator}(${var.cpu_usage_timeframe}): (
      avg:azure.vm.percentage_cpu${module.filter-tags.query_alert} by {resource_group,region,name}
    ) > ${var.cpu_usage_threshold_critical}
EOQ

thresholds = {
critical = var.cpu_usage_threshold_critical
warning  = var.cpu_usage_threshold_warning
}

evaluation_delay    = var.evaluation_delay
new_host_delay      = var.new_host_delay
notify_no_data      = false
renotify_interval   = 0
notify_audit        = false
timeout_h           = 0
include_tags        = true
locked              = false
require_full_window = false

tags = ["env:${var.environment}", "type:cloud", "provider:azure", "resource:virtualmachine", "team:claranet", "created-by:terraform", var.cpu_usage_extra_tags]
}

resource "datadog_monitor" "virtualmachine_credit_cpu_remaining_too_low" {
count   = var.cpu_remaining_rate_enabled == "true" ? 1 : 0
name    = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] Virtual Machine credit CPU {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
message = coalesce(var.cpu_remaining_rate_message, var.message)
type = "query alert"

query = <<EOQ
    ${var.cpu_remaining_rate_time_aggregator}(${var.cpu_remaining_rate_timeframe}):
    default(
      default(avg:azure.vm.cpu_credits_remaining${module.filter-tags.query_alert} by {resource_group,region,name}.as_rate(), 100) / (
      default(avg:azure.vm.cpu_credits_remaining${module.filter-tags.query_alert} by {resource_group,region,name}.as_rate(), 100) +
      default(avg:azure.vm.cpu_credits_consumed${module.filter-tags.query_alert} by {resource_group,region,name}.as_rate(), 0) )
      * 100 , 100) < ${var.cpu_remaining_rate_threshold_critical}
EOQ

thresholds = {
warning = var.cpu_remaining_rate_threshold_warning
critical = var.cpu_remaining_rate_threshold_critical
}

evaluation_delay = var.evaluation_delay
new_host_delay = var.new_host_delay
notify_no_data = false
renotify_interval = 0
notify_audit = false
timeout_h = 1
include_tags = true
locked = false
require_full_window = false

tags = ["env:${var.environment}", "type:cloud", "provider:azure", "resource:virtualmachine", "team:claranet", "created-by:terraform", var.cpu_remaining_rate_extra_tags]
}