address pr comment

elastic · May 24, 2023 · 2572777 · 2572777
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Showing 4 changed files with 43 additions and 15 deletions.
diff --git a/x-pack/filebeat/docs/inputs/input-aws-s3.asciidoc b/x-pack/filebeat/docs/inputs/input-aws-s3.asciidoc
@@ -261,7 +261,7 @@ URL of the AWS SQS queue that messages will be received from. (Required when `bu
 ==== `region_name`
 
 The name of the AWS region of the end point for testing purposes. This option
-must not be set when using amazonaws.com end points.
+must not be set when using amazonaws end points that provide a region.
 
 [float]
 ==== `visibility_timeout`

diff --git a/x-pack/filebeat/input/awss3/config.go b/x-pack/filebeat/input/awss3/config.go
@@ -7,8 +7,6 @@ package awss3
 import (
 	"errors"
 	"fmt"
-	"net/url"
-	"strings"
 	"time"
 
 	"github.com/dustin/go-humanize"
@@ -81,13 +79,10 @@ func (c *config) Validate() error {
 		return fmt.Errorf("number_of_workers <%v> must be greater than 0", c.NumberOfWorkers)
 	}
 
-	if c.QueueURL != "" && c.RegionName != "" {
-		u, err := url.Parse(c.QueueURL)
-		if err != nil {
-			return fmt.Errorf("invalid queue_url: %w", err)
-		}
-		if strings.HasSuffix(u.Host, ".amazonaws.com") {
-			return fmt.Errorf("region_name <%s> must not be set with an amazonaws.com queue_url", c.RegionName)
+	if c.QueueURL != "" {
+		region, _ := getRegionFromQueueURL(c.QueueURL, c.AWSConfig.Endpoint)
+		if region != "" && c.RegionName != "" {
+			return fmt.Errorf("region_name <%s> must not be set with a queue_url containing a region name", c.RegionName)
 		}
 	}
 

diff --git a/x-pack/filebeat/input/awss3/config_test.go b/x-pack/filebeat/input/awss3/config_test.go
@@ -120,26 +120,57 @@ func TestConfig(t *testing.T) {
 			config: mapstr.M{
 				"queue_url":   queueURL,
 				"region_name": "region",
+				"endpoint":    "ep",
 			},
 			expectedErr: "",
 			expectedCfg: func(queueURL, s3Bucket string, nonAWSS3Bucket string) config {
 				c := makeConfig(queueURL, "", "")
 				c.RegionName = "region"
+				c.AWSConfig.Endpoint = "ep"
 				return c
 			},
 		},
 		{
-			name:           "AWS endpoint with explicit region",
+			name:           "explicit AWS endpoint with explicit region",
 			queueURL:       queueURL,
 			s3Bucket:       "",
 			nonAWSS3Bucket: "",
 			config: mapstr.M{
 				"queue_url":   "https://sqs.us-east-1.amazonaws.com/627959692251/test-s3-logs",
 				"region_name": "region",
+				"endpoint":    "amazonaws.com",
 			},
-			expectedErr: "region_name <region> must not be set with an amazonaws.com queue_url accessing config",
+			expectedErr: "region_name <region> must not be set with a queue_url containing a region name",
 			expectedCfg: nil,
 		},
+		{
+			name:           "inferred AWS endpoint with explicit region",
+			queueURL:       queueURL,
+			s3Bucket:       "",
+			nonAWSS3Bucket: "",
+			config: mapstr.M{
+				"queue_url":   "https://sqs.us-east-1.amazonaws.com/627959692251/test-s3-logs",
+				"region_name": "region",
+			},
+			expectedErr: "region_name <region> must not be set with a queue_url containing a region name",
+			expectedCfg: nil,
+		},
+		{
+			name:           "localstack_with_region_name",
+			queueURL:       "http://localhost:4566/000000000000/sample-queue",
+			s3Bucket:       "",
+			nonAWSS3Bucket: "",
+			config: mapstr.M{
+				"queue_url":   "http://localhost:4566/000000000000/sample-queue",
+				"region_name": "myregion",
+			},
+			expectedErr: "",
+			expectedCfg: func(queueURL, s3Bucket string, nonAWSS3Bucket string) config {
+				c := makeConfig(queueURL, "", "")
+				c.RegionName = "myregion"
+				return c
+			},
+		},
 		{
 			name:           "error on no queueURL and s3Bucket and nonAWSS3Bucket",
 			queueURL:       "",

diff --git a/x-pack/filebeat/input/awss3/input.go b/x-pack/filebeat/input/awss3/input.go
@@ -311,9 +311,11 @@ func getRegionFromQueueURL(queueURL string, endpoint string) (string, error) {
 		return "", fmt.Errorf(queueURL + " is not a valid URL")
 	}
 	if url.Scheme == "https" && url.Host != "" {
-		queueHostSplit := strings.Split(url.Host, ".")
-		if len(queueHostSplit) > 2 && (strings.Join(queueHostSplit[2:], ".") == endpoint || (endpoint == "" && queueHostSplit[2] == "amazonaws")) {
-			return queueHostSplit[1], nil
+		queueHostSplit := strings.SplitN(url.Host, ".", 3)
+		if len(queueHostSplit) == 3 {
+			if queueHostSplit[2] == endpoint || (endpoint == "" && strings.HasPrefix(queueHostSplit[2], "amazonaws.")) {
+				return queueHostSplit[1], nil
+			}
 		}
 	}
 	return "", fmt.Errorf("QueueURL is not in format: https://sqs.{REGION_ENDPOINT}.{ENDPOINT}/{ACCOUNT_NUMBER}/{QUEUE_NAME}")