Merge branch 'MON-455_kubernetes_state.container.status_report.count.terminated' into 'master'

MON-455 add terminated container monitor

Closes MON-455

See merge request claranet/pt-monitoring/projects/datadog/terraform/monitors!76

caas/kubernetes/pod/README.md

@@ -17,6 +17,7 @@ module "datadog-monitors-caas-kubernetes-pod" {
 Creates DataDog monitors with the following checks:
 
 - Kubernetes Pod phase status failed
+- Kubernetes Pod terminated abnormally
 - Kubernetes Pod waiting errors
 
 ## Inputs
@@ -43,6 +44,13 @@ Creates DataDog monitors with the following checks:
 | pod\_phase\_status\_time\_aggregator | Monitor aggregator for Pod phase status [available values: min, max or avg] | string | `"max"` | no |
 | pod\_phase\_status\_timeframe | Monitor timeframe for Pod phase status [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `"last_5m"` | no |
 | prefix\_slug | Prefix string to prepend between brackets on every monitors names | string | `""` | no |
+| terminated\_enabled | Flag to enable Pod terminated monitor | string | `"true"` | no |
+| terminated\_extra\_tags | Extra tags for Pod terminated monitor | list(string) | `[]` | no |
+| terminated\_message | Custom message for Pod terminated monitor | string | `""` | no |
+| terminated\_threshold\_critical | terminated critical threshold | string | `"0.5"` | no |
+| terminated\_threshold\_warning | terminated warning threshold | string | `"0"` | no |
+| terminated\_time\_aggregator | Monitor aggregator for Pod terminated [available values: min, max or avg] | string | `"sum"` | no |
+| terminated\_timeframe | Monitor timeframe for Pod terminated [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `"last_10m"` | no |
 
 ## Outputs
 
@@ -50,6 +58,7 @@ Creates DataDog monitors with the following checks:
 |------|-------------|
 | error\_id | id for monitor error |
 | pod\_phase\_status\_id | id for monitor pod_phase_status |
+| terminated\_id | id for monitor terminated |
 
 ## Related documentation
 

caas/kubernetes/pod/inputs.tf

@@ -110,3 +110,43 @@ variable "error_threshold_warning" {
   description = "error warning threshold"
 }
 
+variable "terminated_enabled" {
+  description = "Flag to enable Pod terminated monitor"
+  type        = string
+  default     = "true"
+}
+
+variable "terminated_extra_tags" {
+  description = "Extra tags for Pod terminated monitor"
+  type        = list(string)
+  default     = []
+}
+
+variable "terminated_message" {
+  description = "Custom message for Pod terminated monitor"
+  type        = string
+  default     = ""
+}
+
+variable "terminated_time_aggregator" {
+  description = "Monitor aggregator for Pod terminated [available values: min, max or avg]"
+  type        = string
+  default     = "sum"
+}
+
+variable "terminated_timeframe" {
+  description = "Monitor timeframe for Pod terminated [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`]"
+  type        = string
+  default     = "last_10m"
+}
+
+variable "terminated_threshold_critical" {
+  default     = 0.5
+  description = "terminated critical threshold"
+}
+
+variable "terminated_threshold_warning" {
+  default     = 0
+  description = "terminated warning threshold"
+}
+

caas/kubernetes/pod/monitors-k8s-pod.tf

@@ -57,3 +57,33 @@ EOQ
   tags = concat(["env:${var.environment}", "type:caas", "provider:kubernetes", "resource:kubernetes-pod", "team:claranet", "created-by:terraform"], var.error_extra_tags)
 }
 
+resource "datadog_monitor" "terminated" {
+  count   = var.terminated_enabled == "true" ? 1 : 0
+  name    = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] Kubernetes Pod terminated abnormally"
+  message = coalesce(var.terminated_message, var.message)
+  type    = "query alert"
+
+  query = <<EOQ
+    ${var.terminated_time_aggregator}(${var.terminated_timeframe}):
+      sum:kubernetes_state.container.status_report.count.terminated${module.filter-tags-nocontainercreating.query_alert} by {namespace,pod,reason}
+    > ${var.terminated_threshold_critical}
+EOQ
+
+  thresholds = {
+    critical = var.terminated_threshold_critical
+    warning  = var.terminated_threshold_warning
+  }
+
+  evaluation_delay    = var.evaluation_delay
+  new_host_delay      = var.new_host_delay
+  notify_no_data      = false
+  renotify_interval   = 0
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+
+  tags = concat(["env:${var.environment}", "type:caas", "provider:kubernetes", "resource:kubernetes-pod", "team:claranet", "created-by:terraform"], var.terminated_extra_tags)
+}
+

caas/kubernetes/pod/outputs.tf

@@ -8,3 +8,8 @@ output "error_id" {
   value       = datadog_monitor.error.*.id
 }
 
+output "terminated_id" {
+  description = "id for monitor terminated"
+  value       = datadog_monitor.terminated.*.id
+}
+