add github action for integration tests

internal/integration/config/cockroach.yaml

@@ -0,0 +1,10 @@
+Database:
+  cockroach:
+    Host: localhost
+    Port: 26257
+    Database: zitadel
+    Options: ""
+    User:
+      Username: zitadel
+    Admin:
+      Username: root

internal/integration/config/postgres.yaml

@@ -0,0 +1,15 @@
+Database:
+  postgres:
+    Host: localhost
+    Port: 5432
+    Database: zitadel
+    MaxOpenConns: 20
+    MaxIdleConns: 10
+    User:
+      Username: zitadel
+      SSL:
+        Mode: disable
+    Admin:
+      Username: zitadel
+      SSL:
+        Mode: disable

internal/integration/config/zitadel.yaml

@@ -0,0 +1,38 @@
+Log:
+  Level: debug
+
+TLS:
+  Enabled: false
+
+FirstInstance:
+  Org:
+    Human:
+      PasswordChangeRequired: false
+
+LogStore:
+  Access:
+    Database:
+      Enabled: true
+      Debounce:
+        MinFrequency: 0s
+        MaxBulkSize: 0
+  Execution:
+    Database:
+      Enabled: true
+    Stdout:
+      Enabled: true
+
+Quotas:
+  Access:
+    ExhaustedCookieKey: "zitadel.quota.limiting"
+    ExhaustedCookieMaxAge: "60s"
+
+Projections:
+  Customizations:
+    NotificationsQuotas:
+      RequeueEvery: 1s
+
+DefaultInstance:
+  LoginPolicy:
+    MfaInitSkipLifetime: "0"
+

internal/integration/integration.go

@@ -2,11 +2,15 @@
 package integration
 
 import (
+	"bytes"
 	"context"
+	_ "embed"
 	"fmt"
 	"os"
+	"strings"
 	"sync"
 
+	"github.com/spf13/viper"
 	"github.com/zitadel/logging"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
@@ -15,6 +19,15 @@ import (
 	"github.com/zitadel/zitadel/cmd/start"
 )
 
+var (
+	//go:embed config/zitadel.yaml
+	zitadelYAML []byte
+	//go:embed config/cockroach.yaml
+	cockroachYAML []byte
+	//go:embed config/postgres.yaml
+	postgresYAML []byte
+)
+
 type Tester struct {
 	*start.Server
 	ClientConn *grpc.ClientConn
@@ -22,6 +35,8 @@ type Tester struct {
 	wg sync.WaitGroup // used for shutdown
 }
 
+const commandLine = `start-from-init --masterkey MasterkeyNeedsToHave32Characters --tlsMode disabled`
+
 func (s *Tester) createClientConn(ctx context.Context) {
 	target := fmt.Sprintf("localhost:%d", s.Config.Port)
 	cc, err := grpc.DialContext(ctx, target,
@@ -45,16 +60,31 @@ func (s *Tester) Done() {
 	s.wg.Wait()
 }
 
-func NewTester(ctx context.Context, args []string) *Tester {
-	tester := new(Tester)
+func NewTester(ctx context.Context) *Tester {
+	args := strings.Split(commandLine, " ")
+
 	sc := make(chan *start.Server)
+	cmd := cmd.New(os.Stdout, os.Stdin, args, sc)
+	cmd.SetArgs(args)
+	err := viper.MergeConfig(bytes.NewBuffer(zitadelYAML))
+	logging.OnError(err).Fatal()
+
+	flavor := os.Getenv("INTEGRATION_DB_FLAVOR")
+	switch flavor {
+	case "cockroach":
+		err = viper.MergeConfig(bytes.NewBuffer(cockroachYAML))
+	case "postgres":
+		err = viper.MergeConfig(bytes.NewBuffer(postgresYAML))
+	default:
+		logging.New().WithField("flavor", flavor).Fatal("unknown db flavor set in INTEGRATION_DB_FLAVOR")
+	}
+	logging.OnError(err).Fatal()
+
+	tester := new(Tester)
 	tester.wg.Add(1)
 	go func(wg *sync.WaitGroup) {
-		defer wg.Done()
-
-		cmd := cmd.New(os.Stdout, os.Stdin, args, sc)
-		cmd.SetArgs(args)
 		logging.OnError(cmd.Execute()).Fatal()
+		wg.Done()
 	}(&tester.wg)
 
 	select {

internal/integration/integration_test.go

@@ -1,18 +1,17 @@
+//go:build integration
+
 package integration
 
 import (
 	"context"
-	"strings"
 	"testing"
 	"time"
 )
 
-const commandLine = `start-from-init --masterkey MasterkeyNeedsToHave32Characters --tlsMode disabled --config ../../e2e/config/localhost/zitadel.yaml --steps ../../e2e/config/localhost/zitadel.yaml`
-
 func TestNewTester(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	s := NewTester(ctx, strings.Split(commandLine, " "))
+	s := NewTester(ctx)
 	defer s.Done()
 }