From 8dd7d66307e6cfa472e0786ae6a02da2316866b1 Mon Sep 17 00:00:00 2001
From: Sherd White <swhite@oreilly.com>
Date: Fri, 26 Apr 2024 14:03:00 -0500
Subject: [PATCH] Adding anomaly detection support.

---
 resources/cloudwatch-anomaly-detectors.go | 66 +++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 resources/cloudwatch-anomaly-detectors.go

diff --git a/resources/cloudwatch-anomaly-detectors.go b/resources/cloudwatch-anomaly-detectors.go
new file mode 100644
index 000000000..d39543df8
--- /dev/null
+++ b/resources/cloudwatch-anomaly-detectors.go
@@ -0,0 +1,66 @@
+package resources
+
+import (
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/cloudwatch"
+	"github.com/rebuy-de/aws-nuke/v2/pkg/types"
+)
+
+type CloudWatchAnomalyDetector struct {
+	svc      *cloudwatch.CloudWatch
+	detector *cloudwatch.AnomalyDetector
+}
+
+func init() {
+	register("CloudWatchAnomalyDetector", ListCloudWatchAnomalyDetectors)
+}
+
+func ListCloudWatchAnomalyDetectors(sess *session.Session) ([]Resource, error) {
+	svc := cloudwatch.New(sess)
+	resources := []Resource{}
+
+	params := &cloudwatch.DescribeAnomalyDetectorsInput{
+		MaxResults: aws.Int64(25),
+	}
+
+	for {
+		output, err := svc.DescribeAnomalyDetectors(params)
+		if err != nil {
+			return nil, err
+		}
+
+		for _, detector := range output.AnomalyDetectors {
+			resources = append(resources, &CloudWatchAnomalyDetector{
+				svc:      svc,
+				detector: detector,
+			})
+		}
+
+		if output.NextToken == nil {
+			break
+		}
+
+		params.NextToken = output.NextToken
+	}
+
+	return resources, nil
+}
+
+func (f *CloudWatchAnomalyDetector) Remove() error {
+	_, err := f.svc.DeleteAnomalyDetector(&cloudwatch.DeleteAnomalyDetectorInput{
+		SingleMetricAnomalyDetector: f.detector.SingleMetricAnomalyDetector,
+	})
+
+	return err
+}
+
+func (f *CloudWatchAnomalyDetector) Properties() types.Properties {
+	properties := types.NewProperties()
+	properties.Set("MetricName", f.detector.SingleMetricAnomalyDetector.MetricName)
+	return properties
+}
+
+func (f *CloudWatchAnomalyDetector) String() string {
+	return *f.detector.SingleMetricAnomalyDetector.MetricName
+}