Add Cloudwatch dashboard (#36)

dbl-works · Oct 4, 2021 · 55cbe73 · 55cbe73
1 parent f82cd0c
commit 55cbe73
Show file tree

Hide file tree

Showing 2 changed files with 117 additions and 0 deletions.
diff --git a/ecs/cloudwatch.tf b/ecs/cloudwatch.tf
@@ -0,0 +1,116 @@
+resource "aws_cloudwatch_dashboard" "main" {
+  dashboard_name = "${var.project}-${var.environment}-ecs"
+
+  dashboard_body = <<EOF
+{
+  "widgets": [
+    {
+      "height": 6,
+      "width": 9,
+      "y": 6,
+      "x": 9,
+      "type": "metric",
+      "properties": {
+        "metrics": [
+          [ "ECS/ContainerInsights", "CpuUtilized", "ServiceName", "web", "ClusterName", "${var.project}-${var.environment}" ]
+        ],
+        "view": "timeSeries",
+        "stacked": false,
+        "region": "${var.region}",
+        "title": "CPU Usage",
+        "period": 60,
+        "stat": "Maximum",
+        "yAxis": {
+          "left": {
+            "min": 0,
+            "showUnits": false
+          },
+          "right": {
+            "showUnits": true
+          }
+        }
+      }
+    },
+    {
+      "height": 6,
+      "width": 9,
+      "y": 0,
+      "x": 0,
+      "type": "metric",
+      "properties": {
+        "metrics": [
+          [ { "expression": "100*(m1/m2)", "label": "MemoryUsage", "id": "e1", "region": "${var.region}", "yAxis": "left" } ],
+          [ "ECS/ContainerInsights", "MemoryUtilized", "ServiceName", "web", "ClusterName", "${var.project}-${var.environment}", { "id": "m1", "visible": false } ],
+          [ ".", "MemoryReserved", ".", ".", ".", ".", { "id": "m2", "visible": false } ]
+        ],
+        "view": "timeSeries",
+        "stacked": true,
+        "region": "${var.region}",
+        "title": "Memory Usage",
+        "period": 60,
+        "stat": "Maximum",
+        "yAxis": {
+          "left": {
+            "min": 0,
+            "max": 100,
+            "showUnits": false
+          }
+        },
+        "setPeriodToTimeRange": true
+      }
+    },
+    {
+      "height": 6,
+      "width": 9,
+      "y": 6,
+      "x": 0,
+      "type": "metric",
+      "properties": {
+        "metrics": [
+          [ "AWS/ApplicationELB", "RequestCount", "LoadBalancer", "${aws_alb.alb.arn_suffix}" ]
+        ],
+        "view": "timeSeries",
+        "stacked": true,
+        "region": "${var.region}",
+        "stat": "Sum",
+        "period": 60,
+        "title": "Throughput",
+        "yAxis": {
+          "left": {
+            "showUnits": false,
+            "min": 0
+          }
+        }
+      }
+    },
+    {
+      "height": 6,
+      "width": 9,
+      "y": 0,
+      "x": 9,
+      "type": "metric",
+      "properties": {
+        "metrics": [
+          [ "AWS/ApplicationELB", "TargetResponseTime", "LoadBalancer", "${aws_alb.alb.arn_suffix}", { "label": "Average", "id": "m1", "stat": "Average" } ],
+          [ "...", { "id": "m2", "label": "p95" } ],
+          [ "...", { "id": "m3", "stat": "p90", "label": "p90" } ]
+        ],
+        "view": "timeSeries",
+        "stacked": false,
+        "region": "${var.region}",
+        "stat": "p95",
+        "period": 60,
+        "title": "Response Time",
+        "yAxis": {
+          "left": {
+            "showUnits": false,
+            "min": 0
+          }
+        },
+        "setPeriodToTimeRange": true
+      }
+    }
+  ]
+}
+EOF
+}
diff --git a/ecs/variables.tf b/ecs/variables.tf
@@ -1,6 +1,7 @@
 variable "environment" {}
 variable "project" {}
 variable "vpc_id" {}
+variable "region" { default = "eu-central-1" }
 
 variable "allow_internal_traffic_to_ports" {
   type    = list(string)