From 6e6147088cbb58c322031c3f2169001025a0cae3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Respaut?= <jerome.respaut@fr.clara.net>
Date: Mon, 30 Oct 2017 11:34:42 +0100
Subject: [PATCH] MON-76: Azure Redis - DataDog Monitors

---
 cloud/azure/redis/inputs.tf               | 31 +++++++++++++++++
 cloud/azure/redis/monitors-azure-redis.tf | 42 +++++++++++++++++++++++
 2 files changed, 73 insertions(+)
 create mode 100644 cloud/azure/redis/inputs.tf
 create mode 100644 cloud/azure/redis/monitors-azure-redis.tf

diff --git a/cloud/azure/redis/inputs.tf b/cloud/azure/redis/inputs.tf
new file mode 100644
index 0000000..70eba23
--- /dev/null
+++ b/cloud/azure/redis/inputs.tf
@@ -0,0 +1,31 @@
+# Global Terraform
+variable "client_name" {
+  type = "string"
+}
+
+variable "environment" {
+  type = "string"
+}
+
+variable "stack" {
+  type = "string"
+}
+
+# Global DataDog
+variable "critical_escalation_group" {
+}
+
+variable "warning_escalation_group" {
+}
+
+variable "delay" {
+  default = 600
+}
+
+# Azure Redis specific
+variable "evictedkeys_threshold_warning" {
+  default = 0
+}
+variable "evictedkeys_threshold_critical" {
+  default = 100
+}
diff --git a/cloud/azure/redis/monitors-azure-redis.tf b/cloud/azure/redis/monitors-azure-redis.tf
new file mode 100644
index 0000000..ec562b9
--- /dev/null
+++ b/cloud/azure/redis/monitors-azure-redis.tf
@@ -0,0 +1,42 @@
+resource "datadog_monitor" "status" {
+  name    = "[${var.environment}] Redis {{name}} is down"
+  message = "{{#is_alert}}\n${var.critical_escalation_group} \n{{/is_alert}} \n{{#is_recovery}}\n${var.critical_escalation_group}\n{{/is_recovery}}"
+
+  query = "avg(last_5m):avg:azure.cache_redis.status{*} by {name,resource_group} != 1"
+  type  = "query alert"
+
+  notify_no_data      = false
+  evaluation_delay    = "${var.delay}"
+  renotify_interval   = 60
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+  new_host_delay      = "${var.delay}"
+  no_data_timeframe   = 20
+}
+
+resource "datadog_monitor" "evictedkeys" {
+  name    = "[${var.environment}] Redis {{value}} evictedkeys on {{name}}"
+  message = "{{#is_alert}}\n${var.critical_escalation_group} \n{{/is_alert}} \n{{#is_recovery}}\n${var.critical_escalation_group}\n{{/is_recovery}}"
+
+  query = "avg(last_5m):avg:azure.cache_redis.evictedkeys{*} by {name,resource_group} > ${var.evictedkeys_threshold_critical}"
+  type  = "query alert"
+
+  thresholds {
+    warning  = "${var.evictedkeys_threshold_warning}"
+    critical = "${var.evictedkeys_threshold_critical}"
+  }
+
+  notify_no_data      = false
+  evaluation_delay    = "${var.delay}"
+  renotify_interval   = 60
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+  new_host_delay      = "${var.delay}"
+  no_data_timeframe   = 20
+}