chore!: Introduce ZITADEL v3 (#9645)

This PR summarizes multiple changes specifically only available with
ZITADEL v3:

- feat: Web Keys management
(https://github.com/zitadel/zitadel/pull/9526)
- fix(cmd): ensure proper working of mirror
(https://github.com/zitadel/zitadel/pull/9509)
- feat(Authz): system user support for permission check v2
(https://github.com/zitadel/zitadel/pull/9640)
- chore(license): change from Apache to AGPL
(https://github.com/zitadel/zitadel/pull/9597)
- feat(console): list v2 sessions
(https://github.com/zitadel/zitadel/pull/9539)
- fix(console): add loginV2 feature flag
(https://github.com/zitadel/zitadel/pull/9682)
- fix(feature flags): allow reading "own" flags
(https://github.com/zitadel/zitadel/pull/9649)
- feat(console): add Actions V2 UI
(https://github.com/zitadel/zitadel/pull/9591)

BREAKING CHANGE
- feat(webkey): migrate to v2beta API
(https://github.com/zitadel/zitadel/pull/9445)
- chore!: remove CockroachDB Support
(https://github.com/zitadel/zitadel/pull/9444)
- feat(actions): migrate to v2beta API
(https://github.com/zitadel/zitadel/pull/9489)

---------

Co-authored-by: Livio Spring <livio.a@gmail.com>
Co-authored-by: Stefan Benz <46600784+stebenz@users.noreply.github.com>
Co-authored-by: Silvan <27845747+adlerhurst@users.noreply.github.com>
Co-authored-by: Ramon <mail@conblem.me>
Co-authored-by: Elio Bischof <elio@zitadel.com>
Co-authored-by: Kenta Yamaguchi <56732734+KEY60228@users.noreply.github.com>
Co-authored-by: Harsha Reddy <harsha.reddy@klaviyo.com>
Co-authored-by: Livio Spring <livio@zitadel.com>
Co-authored-by: Max Peintner <max@caos.ch>
Co-authored-by: Iraq <66622793+kkrime@users.noreply.github.com>
Co-authored-by: Florian Forster <florian@zitadel.com>
Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Max Peintner <peintnerm@gmail.com>

internal/database/postgres/embedded.go

@@ -0,0 +1,38 @@
+package postgres
+
+import (
+	"net"
+	"os"
+
+	embeddedpostgres "github.com/fergusstrange/embedded-postgres"
+	"github.com/zitadel/logging"
+)
+
+func StartEmbedded() (embeddedpostgres.Config, func()) {
+	path, err := os.MkdirTemp("", "zitadel-embedded-postgres-*")
+	logging.OnError(err).Fatal("unable to create temp dir")
+
+	port, close := getPort()
+
+	config := embeddedpostgres.DefaultConfig().Version(embeddedpostgres.V16).Port(uint32(port)).RuntimePath(path)
+	embedded := embeddedpostgres.NewDatabase(config)
+
+	close()
+	err = embedded.Start()
+	logging.OnError(err).Fatal("unable to start db")
+
+	return config, func() {
+		logging.OnError(embedded.Stop()).Error("unable to stop db")
+	}
+}
+
+// getPort returns a free port and locks it until close is called
+func getPort() (port uint16, close func()) {
+	l, err := net.Listen("tcp", ":0")
+	logging.OnError(err).Fatal("unable to get port")
+	port = uint16(l.Addr().(*net.TCPAddr).Port)
+	logging.WithFields("port", port).Info("Port is available")
+	return port, func() {
+		logging.OnError(l.Close()).Error("unable to close port listener")
+	}
+}

internal/database/postgres/pg.go

@@ -18,7 +18,7 @@ import (
 
 func init() {
 	config := new(Config)
-	dialect.Register(config, config, false)
+	dialect.Register(config, config, true)
 }
 
 const (
@@ -29,16 +29,15 @@ const (
 )
 
 type Config struct {
-	Host               string
-	Port               int32
-	Database           string
-	EventPushConnRatio float64
-	MaxOpenConns       uint32
-	MaxIdleConns       uint32
-	MaxConnLifetime    time.Duration
-	MaxConnIdleTime    time.Duration
-	User               User
-	Admin              AdminUser
+	Host            string
+	Port            int32
+	Database        string
+	MaxOpenConns    uint32
+	MaxIdleConns    uint32
+	MaxConnLifetime time.Duration
+	MaxConnIdleTime time.Duration
+	User            User
+	Admin           AdminUser
 	// Additional options to be appended as options=<Options>
 	// The value will be taken as is. Multiple options are space separated.
 	Options string
@@ -148,12 +147,8 @@ func (c *Config) Password() string {
 	return c.User.Password
 }
 
-func (c *Config) Type() string {
-	return "postgres"
-}
-
-func (c *Config) Timetravel(time.Duration) string {
-	return ""
+func (c *Config) Type() dialect.DatabaseType {
+	return dialect.DatabaseTypePostgres
 }
 
 type User struct {