From 58536101c62afde3286c7216f8ba20685aa03fc4 Mon Sep 17 00:00:00 2001
From: kaiyan-sheng <kaiyan.sheng@elastic.co>
Date: Wed, 17 Jun 2020 09:46:42 -0600
Subject: [PATCH] [Metricbeat] Remove dedot for AWS tag value (#19221)

* Remove dedot for AWS tag value
---
 CHANGELOG.next.asciidoc                               | 1 +
 x-pack/metricbeat/module/aws/cloudwatch/cloudwatch.go | 5 +++--
 x-pack/metricbeat/module/aws/ec2/ec2.go               | 5 +++--
 x-pack/metricbeat/module/aws/rds/rds.go               | 5 +++--
 x-pack/metricbeat/module/aws/rds/rds_test.go          | 6 +++---
 5 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
index 604ef1aec97..9a3e872b16d 100644
--- a/CHANGELOG.next.asciidoc
+++ b/CHANGELOG.next.asciidoc
@@ -251,6 +251,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Fix compute and pubsub dashboard for googlecloud module. {issue}18962[18962] {pull}18980[18980]
 - Fix crash on vsphere module when Host information is not available. {issue}18996[18996] {pull}19078[19078]
 - Fix incorrect usage of hints builder when exposed port is a substring of the hint {pull}19052[19052]
+- Remove dedot for tag values in aws module. {issue}19112[19112] {pull}19221[19221]
 - Stop counterCache only when already started {pull}19103[19103]
 
 *Packetbeat*
diff --git a/x-pack/metricbeat/module/aws/cloudwatch/cloudwatch.go b/x-pack/metricbeat/module/aws/cloudwatch/cloudwatch.go
index 2ec9fe5461e..2cc447723be 100644
--- a/x-pack/metricbeat/module/aws/cloudwatch/cloudwatch.go
+++ b/x-pack/metricbeat/module/aws/cloudwatch/cloudwatch.go
@@ -616,9 +616,10 @@ func insertTags(events map[string]mb.Event, identifier string, resourceTagMap ma
 	for _, v := range subIdentifiers {
 		tags := resourceTagMap[v]
 		if len(tags) != 0 {
-			// By default, replace dot "." using underscore "_" for tag keys and values
+			// By default, replace dot "." using underscore "_" for tag keys.
+			// Note: tag values are not dedotted.
 			for _, tag := range tags {
-				events[identifier].RootFields.Put("aws.tags."+common.DeDot(*tag.Key), common.DeDot(*tag.Value))
+				events[identifier].RootFields.Put("aws.tags."+common.DeDot(*tag.Key), *tag.Value)
 			}
 			continue
 		}
diff --git a/x-pack/metricbeat/module/aws/ec2/ec2.go b/x-pack/metricbeat/module/aws/ec2/ec2.go
index 9e9c9467829..6e597c61c25 100644
--- a/x-pack/metricbeat/module/aws/ec2/ec2.go
+++ b/x-pack/metricbeat/module/aws/ec2/ec2.go
@@ -197,9 +197,10 @@ func (m *MetricSet) createCloudWatchEvents(getMetricDataResults []cloudwatch.Met
 					}
 				}
 
-				// By default, replace dot "." using under bar "_" for tag keys and values
+				// By default, replace dot "." using underscore "_" for tag keys.
+				// Note: tag values are not dedotted.
 				for _, tag := range tags {
-					events[instanceID].ModuleFields.Put("tags."+common.DeDot(*tag.Key), common.DeDot(*tag.Value))
+					events[instanceID].ModuleFields.Put("tags."+common.DeDot(*tag.Key), *tag.Value)
 				}
 
 				machineType, err := instanceOutput[instanceID].InstanceType.MarshalValue()
diff --git a/x-pack/metricbeat/module/aws/rds/rds.go b/x-pack/metricbeat/module/aws/rds/rds.go
index 6c1ca1c8b19..f8bd907b3f6 100644
--- a/x-pack/metricbeat/module/aws/rds/rds.go
+++ b/x-pack/metricbeat/module/aws/rds/rds.go
@@ -207,11 +207,12 @@ func (m *MetricSet) getDBInstancesPerRegion(svc rdsiface.ClientAPI) ([]string, m
 		}
 
 		for _, tag := range outputListTags.TagList {
-			// By default, replace dot "." using under bar "_" for tag keys and values
+			// By default, replace dot "." using underscore "_" for tag keys.
+			// Note: tag values are not dedotted.
 			dbDetails.tags = append(dbDetails.tags,
 				aws.Tag{
 					Key:   common.DeDot(*tag.Key),
-					Value: common.DeDot(*tag.Value),
+					Value: *tag.Value,
 				})
 		}
 		dbDetailsMap[*dbInstance.DBInstanceIdentifier] = dbDetails
diff --git a/x-pack/metricbeat/module/aws/rds/rds_test.go b/x-pack/metricbeat/module/aws/rds/rds_test.go
index 016ffda4434..5537ecd430b 100644
--- a/x-pack/metricbeat/module/aws/rds/rds_test.go
+++ b/x-pack/metricbeat/module/aws/rds/rds_test.go
@@ -146,7 +146,7 @@ func TestGetDBInstancesPerRegion(t *testing.T) {
 		dbIdentifier:       dbInstanceIdentifier,
 		dbStatus:           dbInstanceStatus,
 		tags: []aws.Tag{
-			{Key: "dept_name", Value: "eng_software"},
+			{Key: "dept_name", Value: "eng.software"},
 			{Key: "created-by", Value: "foo"},
 		},
 	}
@@ -177,7 +177,7 @@ func TestGetDBInstancesPerRegionWithTagsFilter(t *testing.T) {
 		dbIdentifier:       dbInstanceIdentifier,
 		dbStatus:           dbInstanceStatus,
 		tags: []aws.Tag{
-			{Key: "dept_name", Value: "eng_software"},
+			{Key: "dept_name", Value: "eng.software"},
 			{Key: "created-by", Value: "foo"},
 		},
 	}
@@ -208,7 +208,7 @@ func TestGetDBInstancesPerRegionWithDotInTag(t *testing.T) {
 		dbIdentifier:       dbInstanceIdentifier,
 		dbStatus:           dbInstanceStatus,
 		tags: []aws.Tag{
-			{Key: "dept_name", Value: "eng_software"},
+			{Key: "dept_name", Value: "eng.software"},
 			{Key: "created-by", Value: "foo"},
 		},
 	}