1 files changed, 45 insertions, 0 deletions
diff --git a/cloudwatch.tf b/cloudwatch.tf
new file mode 100644
index 0000000..9a73918
--- /dev/null
+++ b/cloudwatch.tf
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+resource "aws_cloudwatch_metric_alarm" "target_healthy_count" {
+  alarm_name          = "ELB-target-healthy-count"
+  comparison_operator = "LessThanOrEqualToThreshold"
+  evaluation_periods  = "1"
+  metric_name         = "HealthyHostCount"
+  period              = "60"
+  statistic           = "Average"
+  threshold           = "0"
+
+  dimensions {
+    LoadBalancer = "${aws_elb.app_elb.id}"
+  }
+
+  alarm_description = "Trigger an alert when elb has 1 or more unhealthy hosts"
+
+  #alarm_actions = "Would point at sns here"
+  #ok_actions = "Would also point at sns"
+  treat_missing_data = "breaching"
+}
+
+resource "aws_autoscaling_policy" "app_as_policy" {
+  name                   = "app_autoscaling_policy"
+  scaling_adjustment     = 1
+  adjustment_type        = "ChangeInCapacity"
+  cooldown               = 300
+  autoscaling_group_name = "${aws_autoscaling_group.app_asg.name}"
+}
+
+resource "aws_cloudwatch_metric_alarm" "app_asg_alarm" {
+  alarm_name          = "app_asg_alarm"
+  comparison_operator = "GreaterThanOrEqualToThreshold"
+  evaluation_periods  = "2"
+  metric_name         = "CPUUtilization"
+  namespace           = "AWS/EC2"
+  period              = "120"
+  statistic           = "Average"
+  threshold           = "80"
+
+  dimensions = {
+    AutoScalingGroupName = "${aws_autoscaling_group.app_asg.name}"
+  }
+
+  alarm_description = "This metric monitors ec2 cpu utilization"
+  alarm_actions     = ["${aws_autoscaling_policy.app_as_policy.arn}"]
+}