add options to adjust databroker lease ttl, and retry initial interval (#5391)

databroker/cache.go

@@ -33,6 +33,7 @@ import (
 // DataBroker represents the databroker service. The databroker service is a simple interface
 // for storing keyed blobs (bytes) of unstructured data.
 type DataBroker struct {
+	Options
 	dataBrokerServer *dataBrokerServer
 	manager          *manager.Manager
 	legacyManager    *legacymanager.Manager
@@ -44,8 +45,36 @@ type DataBroker struct {
 	sharedKey           *atomicutil.Value[[]byte]
 }
 
+type Options struct {
+	managerOptions       []manager.Option
+	legacyManagerOptions []legacymanager.Option
+}
+
+type Option func(*Options)
+
+func (o *Options) apply(opts ...Option) {
+	for _, op := range opts {
+		op(o)
+	}
+}
+
+func WithManagerOptions(managerOptions ...manager.Option) Option {
+	return func(o *Options) {
+		o.managerOptions = append(o.managerOptions, managerOptions...)
+	}
+}
+
+func WithLegacyManagerOptions(legacyManagerOptions ...legacymanager.Option) Option {
+	return func(o *Options) {
+		o.legacyManagerOptions = append(o.legacyManagerOptions, legacyManagerOptions...)
+	}
+}
+
 // New creates a new databroker service.
-func New(ctx context.Context, cfg *config.Config, eventsMgr *events.Manager) (*DataBroker, error) {
+func New(ctx context.Context, cfg *config.Config, eventsMgr *events.Manager, opts ...Option) (*DataBroker, error) {
+	options := Options{}
+	options.apply(opts...)
+
 	localListener, err := net.Listen("tcp", "127.0.0.1:0")
 	if err != nil {
 		return nil, err
@@ -97,6 +126,7 @@ func New(ctx context.Context, cfg *config.Config, eventsMgr *events.Manager) (*D
 	}
 
 	c := &DataBroker{
+		Options:             options,
 		dataBrokerServer:    dataBrokerServer,
 		localListener:       localListener,
 		localGRPCServer:     localGRPCServer,
@@ -160,16 +190,16 @@ func (c *DataBroker) update(ctx context.Context, cfg *config.Config) error {
 
 	dataBrokerClient := databroker.NewDataBrokerServiceClient(c.localGRPCConnection)
 
-	options := []manager.Option{
+	options := append([]manager.Option{
 		manager.WithDataBrokerClient(dataBrokerClient),
 		manager.WithEventManager(c.eventsMgr),
 		manager.WithEnabled(!cfg.Options.IsRuntimeFlagSet(config.RuntimeFlagLegacyIdentityManager)),
-	}
-	legacyOptions := []legacymanager.Option{
+	}, c.managerOptions...)
+	legacyOptions := append([]legacymanager.Option{
 		legacymanager.WithDataBrokerClient(dataBrokerClient),
 		legacymanager.WithEventManager(c.eventsMgr),
 		legacymanager.WithEnabled(cfg.Options.IsRuntimeFlagSet(config.RuntimeFlagLegacyIdentityManager)),
-	}
+	}, c.legacyManagerOptions...)
 
 	if cfg.Options.SupportsUserRefresh() {
 		authenticator, err := identity.NewAuthenticator(oauthOptions)

internal/retry/config.go

@@ -9,8 +9,9 @@ import (
 )
 
 type config struct {
-	maxInterval time.Duration
-	watches     []watch
+	maxInterval     time.Duration
+	initialInterval time.Duration
+	watches         []watch
 
 	backoff.BackOff
 }
@@ -42,10 +43,18 @@ func WithMaxInterval(d time.Duration) Option {
 	}
 }
 
+// WithInitialInterval sets the initial backoff interval.
+func WithInitialInterval(d time.Duration) Option {
+	return func(cfg *config) {
+		cfg.initialInterval = d
+	}
+}
+
 func newConfig(opts ...Option) ([]watch, backoff.BackOff) {
 	cfg := new(config)
 	for _, opt := range []Option{
 		WithMaxInterval(time.Minute * 5),
+		WithInitialInterval(backoff.DefaultInitialInterval),
 	} {
 		opt(cfg)
 	}
@@ -59,6 +68,7 @@ func newConfig(opts ...Option) ([]watch, backoff.BackOff) {
 	}
 
 	bo := backoff.NewExponentialBackOff()
+	bo.InitialInterval = cfg.initialInterval
 	bo.MaxInterval = cfg.maxInterval
 	bo.MaxElapsedTime = 0
 	bo.Multiplier = 2

pkg/cmd/pomerium/pomerium.go

@@ -32,7 +32,8 @@ import (
 )
 
 type RunOptions struct {
-	fileMgr *filemgr.Manager
+	fileMgr                 *filemgr.Manager
+	databrokerServerOptions []databroker_service.Option
 }
 
 type RunOption func(*RunOptions)
@@ -49,6 +50,12 @@ func WithOverrideFileManager(fileMgr *filemgr.Manager) RunOption {
 	}
 }
 
+func WithDataBrokerServerOptions(opts ...databroker_service.Option) RunOption {
+	return func(o *RunOptions) {
+		o.databrokerServerOptions = append(o.databrokerServerOptions, opts...)
+	}
+}
+
 // Run runs the main pomerium application.
 func Run(ctx context.Context, src config.Source, opts ...RunOption) error {
 	options := RunOptions{}
@@ -142,7 +149,7 @@ func Run(ctx context.Context, src config.Source, opts ...RunOption) error {
 	}
 	var dataBrokerServer *databroker_service.DataBroker
 	if config.IsDataBroker(src.GetConfig().Options.Services) {
-		dataBrokerServer, err = setupDataBroker(ctx, src, controlPlane, eventsMgr)
+		dataBrokerServer, err = setupDataBroker(ctx, src, controlPlane, eventsMgr, options.databrokerServerOptions...)
 		if err != nil {
 			return fmt.Errorf("setting up databroker: %w", err)
 		}
@@ -226,8 +233,9 @@ func setupDataBroker(ctx context.Context,
 	src config.Source,
 	controlPlane *controlplane.Server,
 	eventsMgr *events.Manager,
+	opts ...databroker_service.Option,
 ) (*databroker_service.DataBroker, error) {
-	svc, err := databroker_service.New(ctx, src.GetConfig(), eventsMgr)
+	svc, err := databroker_service.New(ctx, src.GetConfig(), eventsMgr, opts...)
 	if err != nil {
 		return nil, fmt.Errorf("error creating databroker service: %w", err)
 	}

pkg/identity/legacymanager/config.go

@@ -10,6 +10,7 @@ import (
 var (
 	defaultSessionRefreshGracePeriod     = 1 * time.Minute
 	defaultSessionRefreshCoolOffDuration = 10 * time.Second
+	defaultLeaseTTL                      = 30 * time.Second
 )
 
 type config struct {
@@ -17,6 +18,7 @@ type config struct {
 	dataBrokerClient              databroker.DataBrokerServiceClient
 	sessionRefreshGracePeriod     time.Duration
 	sessionRefreshCoolOffDuration time.Duration
+	leaseTTL                      time.Duration
 	now                           func() time.Time
 	eventMgr                      *events.Manager
 	enabled                       bool
@@ -28,6 +30,7 @@ func newConfig(options ...Option) *config {
 	WithSessionRefreshCoolOffDuration(defaultSessionRefreshCoolOffDuration)(cfg)
 	WithNow(time.Now)(cfg)
 	WithEnabled(true)(cfg)
+	WithLeaseTTL(defaultLeaseTTL)(cfg)
 	for _, option := range options {
 		option(cfg)
 	}
@@ -85,3 +88,9 @@ func WithEnabled(enabled bool) Option {
 		cfg.enabled = enabled
 	}
 }
+
+func WithLeaseTTL(ttl time.Duration) Option {
+	return func(o *config) {
+		o.leaseTTL = ttl
+	}
+}

pkg/identity/legacymanager/manager.go

@@ -88,7 +88,7 @@ func (mgr *Manager) UpdateConfig(options ...Option) {
 
 // RunEnabled runs the manager. This method blocks until an error occurs or the given context is canceled.
 func (mgr *Manager) RunEnabled(ctx context.Context) error {
-	leaser := databroker.NewLeaser("identity_manager", time.Second*30, mgr)
+	leaser := databroker.NewLeaser("identity_manager", mgr.cfg.Load().leaseTTL, mgr)
 	return leaser.Run(ctx)
 }
 

pkg/identity/manager/config.go

@@ -11,6 +11,7 @@ var (
 	defaultSessionRefreshGracePeriod     = 1 * time.Minute
 	defaultSessionRefreshCoolOffDuration = 10 * time.Second
 	defaultUpdateUserInfoInterval        = 10 * time.Minute
+	defaultLeaseTTL                      = 30 * time.Second
 )
 
 type config struct {
@@ -19,6 +20,7 @@ type config struct {
 	sessionRefreshGracePeriod     time.Duration
 	sessionRefreshCoolOffDuration time.Duration
 	updateUserInfoInterval        time.Duration
+	leaseTTL                      time.Duration
 	now                           func() time.Time
 	eventMgr                      *events.Manager
 	enabled                       bool
@@ -31,6 +33,7 @@ func newConfig(options ...Option) *config {
 	WithNow(time.Now)(cfg)
 	WithUpdateUserInfoInterval(defaultUpdateUserInfoInterval)(cfg)
 	WithEnabled(true)(cfg)
+	WithLeaseTTL(defaultLeaseTTL)(cfg)
 	for _, option := range options {
 		option(cfg)
 	}
@@ -95,3 +98,10 @@ func WithUpdateUserInfoInterval(dur time.Duration) Option {
 		cfg.updateUserInfoInterval = dur
 	}
 }
+
+// WithLeaseTTL sets the TTL used by the leaser.
+func WithLeaseTTL(ttl time.Duration) Option {
+	return func(o *config) {
+		o.leaseTTL = ttl
+	}
+}

pkg/identity/manager/manager.go

@@ -5,7 +5,6 @@ import (
 	"context"
 	"fmt"
 	"sync"
-	"time"
 
 	"github.com/rs/zerolog"
 	"golang.org/x/oauth2"
@@ -79,7 +78,7 @@ func (mgr *Manager) GetDataBrokerServiceClient() databroker.DataBrokerServiceCli
 
 // RunEnabled runs the manager. This method blocks until an error occurs or the given context is canceled.
 func (mgr *Manager) RunEnabled(ctx context.Context) error {
-	leaser := databroker.NewLeaser("identity_manager", time.Second*30, mgr)
+	leaser := databroker.NewLeaser("identity_manager", mgr.cfg.Load().leaseTTL, mgr)
 	return leaser.Run(ctx)
 }