Add support for tls for metrics

Changelog: added

1 files changed, 27 insertions, 0 deletions

diff --git a/test/acceptance/config_test.go b/test/acceptance/config_test.go
index 95be6e17..011b4c73 100644
--- a/test/acceptance/config_test.go
+++ b/test/acceptance/config_test.go
@@ -1,6 +1,7 @@
 package acceptance_test
 
 import (
+	"crypto/tls"
 	"fmt"
 	"net"
 	"net/http"
@@ -8,6 +9,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
+	"gitlab.com/gitlab-org/gitlab-pages/internal/testhelpers"
 )
 
 func TestEnvironmentVariablesConfig(t *testing.T) {
@@ -86,3 +88,28 @@ func TestUnixSocketListener(t *testing.T) {
 	rsp.Body.Close()
 	require.Equal(t, http.StatusOK, rsp.StatusCode)
 }
+
+func TestMetricsHTTPSConfig(t *testing.T) {
+	keyFile, certFile := CreateHTTPSFixtureFiles(t)
+
+	RunPagesProcess(t,
+		withExtraArgument("metrics-address", ":42345"),
+		withExtraArgument("metrics-certificate", certFile),
+		withExtraArgument("metrics-key", keyFile),
+	)
+	require.NoError(t, httpsListener.WaitUntilRequestSucceeds(nil))
+
+	tlsConfig := &tls.Config{InsecureSkipVerify: true}
+	transport := &http.Transport{TLSClientConfig: tlsConfig}
+	client := &http.Client{Transport: transport}
+
+	res, err := client.Get("https://127.0.0.1:42345/metrics")
+	require.NoError(t, err)
+	testhelpers.Close(t, res.Body)
+	require.Equal(t, http.StatusOK, res.StatusCode)
+
+	res, err = client.Get("http://127.0.0.1:42345/metrics")
+	require.NoError(t, err)
+	testhelpers.Close(t, res.Body)
+	require.Equal(t, http.StatusBadRequest, res.StatusCode)
+}