Add server render test

Ensure that the server pod defines a volume when a github app is
specified and that the server container mounts it.

Author: Andrew Farries

install/installer/pkg/components/server/render_test.go

@@ -0,0 +1,83 @@
+// Copyright (c) 2022 Gitpod GmbH. All rights reserved.
+// Licensed under the MIT License. See License-MIT.txt in the project root for license information.
+
+package server
+
+import (
+	"testing"
+
+	"github.com/gitpod-io/gitpod/installer/pkg/common"
+	"github.com/gitpod-io/gitpod/installer/pkg/config/v1"
+	"github.com/gitpod-io/gitpod/installer/pkg/config/v1/experimental"
+	"github.com/gitpod-io/gitpod/installer/pkg/config/versions"
+	"github.com/stretchr/testify/require"
+	appsv1 "k8s.io/api/apps/v1"
+	"k8s.io/utils/pointer"
+)
+
+func TestServerDeployment_MountsGithubAppSecret(t *testing.T) {
+	ctx := renderContext(t)
+
+	objects, err := deployment(ctx)
+	require.NoError(t, err)
+
+	require.Len(t, objects, 1, "must render only one object")
+
+	deployment := objects[0].(*appsv1.Deployment)
+
+	foundVol := false
+	for _, vol := range deployment.Spec.Template.Spec.Volumes {
+		if vol.Name == githubAppCertSecret {
+			foundVol = true
+		}
+	}
+
+	require.Truef(t, foundVol, "failed to find expected volume %q on server pod", githubAppCertSecret)
+
+	serverContainer := deployment.Spec.Template.Spec.Containers[0]
+	foundMount := false
+	for _, vol := range serverContainer.VolumeMounts {
+		if vol.Name == githubAppCertSecret {
+			foundMount = true
+		}
+	}
+
+	require.Truef(t, foundMount, "failed to find expected volume mount %q on server container", githubAppCertSecret)
+}
+
+func renderContext(t *testing.T) *common.RenderContext {
+	ctx, err := common.NewRenderContext(config.Config{
+		Database: config.Database{
+			InCluster: pointer.Bool(true),
+		},
+		Experimental: &experimental.Config{
+			WebApp: &experimental.WebAppConfig{
+				Server: &experimental.ServerConfig{
+					GithubApp: &experimental.GithubApp{
+						AppId:           0,
+						AuthProviderId:  "",
+						BaseUrl:         "",
+						CertPath:        "/some/cert/path",
+						Enabled:         false,
+						LogLevel:        "",
+						MarketplaceName: "",
+						WebhookSecret:   "",
+						CertSecretName:  "some-secret-name",
+					},
+				},
+			},
+		},
+	}, versions.Manifest{
+		Components: versions.Components{
+			ServiceWaiter: versions.Versioned{
+				Version: "arbitrary",
+			},
+			Server: versions.Versioned{
+				Version: "arbitrary",
+			},
+		},
+	}, "test-namespace")
+	require.NoError(t, err)
+
+	return ctx
+}