feat: support MSSQL Server integration in tests (#1304)

(cherry picked from commit 3188742)

Author: mdelapenya

.ci/.e2e-tests.yaml

@@ -57,6 +57,8 @@ SUITES:
         tags: "integrations && kafka"
       - name: "Metricbeat"
         tags: "metricbeat"
+      - name: "MS SQL Server"
+        tags: "integrations && mssql"
       - name: "MySQL"
         pullRequestFilter: " && ~old_versions"
         tags: "integrations && mysql"

e2e/_suites/metricbeat/features/integrations.feature

@@ -66,6 +66,12 @@ Examples: Kafka
 | kafka       | 1.1.0    |
 | kafka       | 0.10.2.2 |
 
+@mssql
+@xpack
+Examples: MS SQL Server
+| integration | version        |
+| mssql       | 2017-GA-ubuntu |
+
 @oracle
 @skip
 @xpack

internal/sanitizer/sanitizer.go

@@ -22,6 +22,8 @@ func GetConfigSanitizer(serviceType string) ConfigSanitizer {
 		return DockerComposeSanitizer{}
 	} else if strings.ToLower(serviceType) == "dropwizard" {
 		return DropwizardSanitizer{}
+	} else if strings.ToLower(serviceType) == "mssql" {
+		return MSSQLSanitizer{}
 	} else if strings.ToLower(serviceType) == "mysql" {
 		return MySQLSanitizer{}
 	}
@@ -56,6 +58,18 @@ func (s DropwizardSanitizer) Sanitize(content string) string {
 	return strings.ReplaceAll(content, "metrics_path: /metrics/metrics", "metrics_path: /test/metrics")
 }
 
+// MSSQLSanitizer represents a sanitizer for MSSQL Server
+type MSSQLSanitizer struct{}
+
+// Sanitize prepends test application context
+func (s MSSQLSanitizer) Sanitize(content string) string {
+	log.Debug("Sanitising mssql")
+	replacedContent := strings.ReplaceAll(content, `domain\username`, "sa")
+	replacedContent = strings.ReplaceAll(replacedContent, "verysecurepassword", "1234_asdf")
+
+	return replacedContent
+}
+
 // MySQLSanitizer represents a sanitizer for Dropwizard
 type MySQLSanitizer struct{}
 

internal/sanitizer/sanitizer_test.go

@@ -31,6 +31,11 @@ func TestGetConfigSanitizer(t *testing.T) {
 			content:         ": /metrics",
 			expectedContent: ": /metrics",
 		},
+		{
+			service:         "mssql",
+			content:         `username: domain\username\n password: verysecurepassword`,
+			expectedContent: `username: sa\n password: 1234_asdf`,
+		},
 		{
 			service:         "mysql",
 			content:         `hosts: ["root:secret@tcp(mysql:3306)/"]`,