feat: refactor layers registration

internal/admin/layer_route.go

@@ -245,7 +245,19 @@ func (s *Server) updateLayer(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if updateLayerReq.Options != nil {
-		if err := schema.ValidateLayerOptions(ctx, layer.Type, updateLayerReq.Options); err != nil {
+		layerOptionsSchema, err := setup.GetLayerOptionsSchema(layer.Type)
+		if err != nil {
+			logger.Error(r.Context(), "could not retrieve layer options schema", logger.E(errors.WithStack(err)))
+			api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
+
+			return
+		}
+
+		rawOptions := func(opts *store.LayerOptions) map[string]any {
+			return *opts
+		}(updateLayerReq.Options)
+
+		if err := schema.Validate(ctx, layerOptionsSchema, rawOptions); err != nil {
 			logger.Error(r.Context(), "could not validate layer options", logger.E(errors.WithStack(err)))
 
 			var invalidDataErr *schema.InvalidDataError

internal/command/server/proxy/run.go

@@ -28,7 +28,7 @@ func RunCommand() *cli.Command {
 			logger.SetFormat(logger.Format(conf.Logger.Format))
 			logger.SetLevel(logger.Level(conf.Logger.Level))
 
-			layers, err := setup.CreateLayers(ctx.Context, conf)
+			layers, err := setup.GetLayers(ctx.Context, conf)
 			if err != nil {
 				return errors.Wrap(err, "could not initialize director layers")
 			}

internal/proxy/director/layer/queue/redis/adapter.go

@@ -6,7 +6,7 @@ import (
 	"strings"
 	"time"
 
-	"forge.cadoles.com/cadoles/bouncer/internal/queue"
+	"forge.cadoles.com/cadoles/bouncer/internal/proxy/director/layer/queue"
 	"github.com/pkg/errors"
 	"github.com/redis/go-redis/v9"
 )

internal/proxy/director/layer/queue/schema.go

@@ -0,0 +1,8 @@
+package queue
+
+import (
+	_ "embed"
+)
+
+//go:embed schema/layer-options.json
+var RawLayerOptionsSchema []byte

internal/queue/schema.go

@@ -1,20 +0,0 @@
-package queue
-
-import (
-	_ "embed"
-
-	"forge.cadoles.com/cadoles/bouncer/internal/schema"
-	"github.com/pkg/errors"
-)
-
-//go:embed schema/layer-options.json
-var rawLayerOptionsSchema []byte
-
-func init() {
-	layerOptionsSchema, err := schema.Parse(rawLayerOptionsSchema)
-	if err != nil {
-		panic(errors.Wrap(err, "could not parse queue layer options schema"))
-	}
-
-	schema.RegisterLayerOptionsSchema(LayerType, layerOptionsSchema)
-}

internal/schema/load.go

@@ -7,8 +7,10 @@ import (
 	"github.com/qri-io/jsonschema"
 )
 
-func Parse(data []byte) (*jsonschema.Schema, error) {
-	var schema jsonschema.Schema
+type Schema = jsonschema.Schema
+
+func Parse(data []byte) (*Schema, error) {
+	var schema Schema
 	if err := json.Unmarshal(data, &schema); err != nil {
 		return nil, errors.WithStack(err)
 	}

internal/schema/registry.go

@@ -1,56 +0,0 @@
-package schema
-
-import (
-	"context"
-
-	"forge.cadoles.com/cadoles/bouncer/internal/store"
-	"github.com/pkg/errors"
-	"github.com/qri-io/jsonschema"
-)
-
-var defaultRegistry = NewRegistry()
-
-func RegisterLayerOptionsSchema(layerType store.LayerType, schema *jsonschema.Schema) {
-	defaultRegistry.RegisterLayerOptionsSchema(layerType, schema)
-}
-
-func ValidateLayerOptions(ctx context.Context, layerType store.LayerType, options *store.LayerOptions) error {
-	if err := defaultRegistry.ValidateLayerOptions(ctx, layerType, options); err != nil {
-		return errors.WithStack(err)
-	}
-
-	return nil
-}
-
-type Registry struct {
-	layerOptionSchemas map[store.LayerType]*jsonschema.Schema
-}
-
-func (r *Registry) RegisterLayerOptionsSchema(layerType store.LayerType, schema *jsonschema.Schema) {
-	r.layerOptionSchemas[layerType] = schema
-}
-
-func (r *Registry) ValidateLayerOptions(ctx context.Context, layerType store.LayerType, options *store.LayerOptions) error {
-	schema, exists := r.layerOptionSchemas[layerType]
-	if !exists {
-		return errors.WithStack(ErrSchemaNotFound)
-	}
-
-	rawOptions := func(opts *store.LayerOptions) map[string]any {
-		return *opts
-	}(options)
-
-	state := schema.Validate(ctx, rawOptions)
-
-	if len(*state.Errs) > 0 {
-		return errors.WithStack(NewInvalidDataError(*state.Errs...))
-	}
-
-	return nil
-}
-
-func NewRegistry() *Registry {
-	return &Registry{
-		layerOptionSchemas: make(map[store.LayerType]*jsonschema.Schema),
-	}
-}

internal/schema/validate.go

@@ -0,0 +1,17 @@
+package schema
+
+import (
+	"context"
+
+	"github.com/pkg/errors"
+)
+
+func Validate(ctx context.Context, schema *Schema, data map[string]any) error {
+	state := schema.Validate(ctx, data)
+
+	if len(*state.Errs) > 0 {
+		return errors.WithStack(NewInvalidDataError(*state.Errs...))
+	}
+
+	return nil
+}

internal/setup/default_registry.go

@@ -7,16 +7,26 @@ import (
 	"forge.cadoles.com/cadoles/bouncer/internal/proxy/director"
 	"forge.cadoles.com/cadoles/bouncer/internal/store"
 	"github.com/pkg/errors"
+	"github.com/qri-io/jsonschema"
 )
 
 var defaultRegistry = NewRegistry()
 
-func RegisterLayer(layerType store.LayerType, setupFunc LayerSetupFunc) {
-	defaultRegistry.RegisterLayer(layerType, setupFunc)
+func RegisterLayer(layerType store.LayerType, setupFunc LayerSetupFunc, rawOptionsSchema []byte) {
+	defaultRegistry.RegisterLayer(layerType, setupFunc, rawOptionsSchema)
 }
 
-func CreateLayers(ctx context.Context, conf *config.Config) ([]director.Layer, error) {
-	layers, err := defaultRegistry.CreateLayers(ctx, conf)
+func GetLayerOptionsSchema(layerType store.LayerType) (*jsonschema.Schema, error) {
+	schema, err := defaultRegistry.GetLayerOptionsSchema(layerType)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return schema, nil
+}
+
+func GetLayers(ctx context.Context, conf *config.Config) ([]director.Layer, error) {
+	layers, err := defaultRegistry.GetLayers(ctx, conf)
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}

internal/setup/error.go

@@ -0,0 +1,5 @@
+package setup
+
+import "errors"
+
+var ErrNotFound = errors.New("not found")

internal/setup/queue_layer.go

@@ -1,21 +1,22 @@
 package setup
 
 import (
-	"context"
 	"time"
 
 	"forge.cadoles.com/cadoles/bouncer/internal/config"
 	"forge.cadoles.com/cadoles/bouncer/internal/proxy/director"
-	"forge.cadoles.com/cadoles/bouncer/internal/queue"
+	"forge.cadoles.com/cadoles/bouncer/internal/proxy/director/layer/queue"
+	queueRedis "forge.cadoles.com/cadoles/bouncer/internal/proxy/director/layer/queue/redis"
 	"github.com/pkg/errors"
+	"github.com/redis/go-redis/v9"
 )
 
 func init() {
-	RegisterLayer(queue.LayerType, setupQueueLayer)
+	RegisterLayer(queue.LayerType, setupQueueLayer, queue.RawLayerOptionsSchema)
 }
 
-func setupQueueLayer(ctx context.Context, conf *config.Config) (director.Layer, error) {
-	adapter, err := NewQueueAdapter(ctx, conf.Redis)
+func setupQueueLayer(conf *config.Config) (director.Layer, error) {
+	adapter, err := newQueueAdapter(conf.Redis)
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}
@@ -33,3 +34,12 @@ func setupQueueLayer(ctx context.Context, conf *config.Config) (director.Layer,
 		options...,
 	), nil
 }
+
+func newQueueAdapter(redisConf config.RedisConfig) (queue.Adapter, error) {
+	rdb := redis.NewUniversalClient(&redis.UniversalOptions{
+		Addrs:      redisConf.Adresses,
+		MasterName: string(redisConf.Master),
+	})
+
+	return queueRedis.NewAdapter(rdb, 2), nil
+}

internal/setup/queue_repository.go

@@ -1,20 +0,0 @@
-package setup
-
-import (
-	"context"
-
-	"forge.cadoles.com/cadoles/bouncer/internal/config"
-	"forge.cadoles.com/cadoles/bouncer/internal/queue"
-	"github.com/redis/go-redis/v9"
-
-	queueRedis "forge.cadoles.com/cadoles/bouncer/internal/queue/redis"
-)
-
-func NewQueueAdapter(ctx context.Context, redisConf config.RedisConfig) (queue.Adapter, error) {
-	rdb := redis.NewUniversalClient(&redis.UniversalOptions{
-		Addrs:      redisConf.Adresses,
-		MasterName: string(redisConf.Master),
-	})
-
-	return queueRedis.NewAdapter(rdb, 2), nil
-}

internal/setup/registry.go

@@ -5,25 +5,48 @@ import (
 
 	"forge.cadoles.com/cadoles/bouncer/internal/config"
 	"forge.cadoles.com/cadoles/bouncer/internal/proxy/director"
+	"forge.cadoles.com/cadoles/bouncer/internal/schema"
 	"forge.cadoles.com/cadoles/bouncer/internal/store"
 	"github.com/pkg/errors"
 )
 
+type layerEntry struct {
+	setup            LayerSetupFunc
+	rawOptionsSchema []byte
+}
+
 type Registry struct {
-	layers map[store.LayerType]LayerSetupFunc
+	layers map[store.LayerType]layerEntry
 }
 
-type LayerSetupFunc func(context.Context, *config.Config) (director.Layer, error)
+type LayerSetupFunc func(*config.Config) (director.Layer, error)
 
-func (r *Registry) RegisterLayer(layerType store.LayerType, layerSetup LayerSetupFunc) {
-	r.layers[layerType] = layerSetup
+func (r *Registry) RegisterLayer(layerType store.LayerType, layerSetup LayerSetupFunc, rawOptionsSchema []byte) {
+	r.layers[layerType] = layerEntry{
+		setup:            layerSetup,
+		rawOptionsSchema: rawOptionsSchema,
+	}
 }
 
-func (r *Registry) CreateLayers(ctx context.Context, conf *config.Config) ([]director.Layer, error) {
+func (r *Registry) GetLayerOptionsSchema(layerType store.LayerType) (*schema.Schema, error) {
+	layerEntry, exists := r.layers[layerType]
+	if !exists {
+		return nil, errors.WithStack(ErrNotFound)
+	}
+
+	schema, err := schema.Parse(layerEntry.rawOptionsSchema)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return schema, nil
+}
+
+func (r *Registry) GetLayers(ctx context.Context, conf *config.Config) ([]director.Layer, error) {
 	layers := make([]director.Layer, 0, len(r.layers))
 
-	for layerType, layerSetup := range r.layers {
-		layer, err := layerSetup(ctx, conf)
+	for layerType, layerEntry := range r.layers {
+		layer, err := layerEntry.setup(conf)
 		if err != nil {
 			return nil, errors.Wrapf(err, "could not create layer '%s'", layerType)
 		}
@@ -52,6 +75,6 @@ func (r *Registry) GetLayerTypes() []store.LayerType {
 
 func NewRegistry() *Registry {
 	return &Registry{
-		layers: make(map[store.LayerType]LayerSetupFunc),
+		layers: make(map[store.LayerType]layerEntry),
 	}
 }