feat: add provider generator adapters

providers/v2/adapter/generator/client.go

@@ -0,0 +1,134 @@
+/*
+Copyright © The ESO Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    https://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package generator adapts v1 generator implementations to the v2 gRPC GeneratorProvider interface.
+package generator
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	genv1alpha1 "github.com/external-secrets/external-secrets/apis/generators/v1alpha1"
+	genpb "github.com/external-secrets/external-secrets/proto/generator"
+)
+
+// Client wraps a v2 gRPC generator client and implements the v1 Generator interface.
+// This allows v2 generators to be used with the existing generator infrastructure.
+type Client struct {
+	client          genpb.GeneratorProviderClient
+	generatorRef    *genpb.GeneratorRef
+	sourceNamespace string
+}
+
+// Ensure Client implements Generator interface.
+var _ genv1alpha1.Generator = &Client{}
+
+// NewClient creates a new wrapper that adapts a v2 gRPC generator to v1 Generator interface.
+func NewClient(client genpb.GeneratorProviderClient, generatorRef *genpb.GeneratorRef, sourceNamespace string) genv1alpha1.Generator {
+	return &Client{
+		client:          client,
+		generatorRef:    generatorRef,
+		sourceNamespace: sourceNamespace,
+	}
+}
+
+// Generate creates a new secret or set of secrets using the v2 gRPC generator.
+// The jsonSpec parameter is ignored since the generator reference is already stored.
+func (w *Client) Generate(ctx context.Context, jsonSpec *apiextensions.JSON, _ client.Client, namespace string) (map[string][]byte, genv1alpha1.GeneratorProviderState, error) {
+	// If jsonSpec is provided, we need to extract the generator reference from it
+	// However, for v2 generators, we already have the reference, so we can use that
+	// But we should validate that the jsonSpec matches our stored reference if provided
+	if jsonSpec != nil {
+		// Parse the jsonSpec to extract metadata if needed
+		var meta struct {
+			Metadata struct {
+				Name      string `json:"name"`
+				Namespace string `json:"namespace"`
+			} `json:"metadata"`
+			APIVersion string `json:"apiVersion"`
+			Kind       string `json:"kind"`
+		}
+		if err := json.Unmarshal(jsonSpec.Raw, &meta); err == nil {
+			// Update the generator ref with the actual resource info
+			if meta.Metadata.Name != "" {
+				w.generatorRef.Name = meta.Metadata.Name
+			}
+			if meta.Metadata.Namespace != "" {
+				w.generatorRef.Namespace = meta.Metadata.Namespace
+			}
+			if meta.APIVersion != "" {
+				w.generatorRef.ApiVersion = meta.APIVersion
+			}
+			if meta.Kind != "" {
+				w.generatorRef.Kind = meta.Kind
+			}
+		}
+	}
+
+	// Use the provided namespace as the source namespace
+	sourceNs := namespace
+	if sourceNs == "" {
+		sourceNs = w.sourceNamespace
+	}
+
+	// Call the v2 gRPC Generate
+	resp, err := w.client.Generate(ctx, &genpb.GenerateRequest{
+		GeneratorRef:    w.generatorRef,
+		SourceNamespace: sourceNs,
+	})
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to call v2 generator: %w", err)
+	}
+
+	// Convert state bytes to GeneratorProviderState
+	var state genv1alpha1.GeneratorProviderState
+	if len(resp.State) > 0 {
+		state = &apiextensions.JSON{Raw: resp.State}
+	}
+
+	return resp.Secrets, state, nil
+}
+
+// Cleanup deletes any resources created during the Generate phase.
+func (w *Client) Cleanup(ctx context.Context, _ *apiextensions.JSON, state genv1alpha1.GeneratorProviderState, _ client.Client, namespace string) error {
+	// Extract state bytes
+	var stateBytes []byte
+	if state != nil {
+		stateBytes = state.Raw
+	}
+
+	// Use the provided namespace as the source namespace
+	sourceNs := namespace
+	if sourceNs == "" {
+		sourceNs = w.sourceNamespace
+	}
+
+	// Call the v2 gRPC Cleanup
+	_, err := w.client.Cleanup(ctx, &genpb.CleanupRequest{
+		GeneratorRef:    w.generatorRef,
+		State:           stateBytes,
+		SourceNamespace: sourceNs,
+	})
+	if err != nil {
+		return fmt.Errorf("failed to call v2 generator cleanup: %w", err)
+	}
+
+	return nil
+}

providers/v2/adapter/generator/go.mod

@@ -0,0 +1,84 @@
+module github.com/external-secrets/external-secrets/providers/v2/adapter/generator
+
+go 1.26.2
+
+replace (
+	github.com/external-secrets/external-secrets => ../../../..
+	github.com/external-secrets/external-secrets/apis => ../../../../apis
+	github.com/external-secrets/external-secrets/proto => ../../common/proto
+	github.com/external-secrets/external-secrets/providers/v2/common => ../../common
+)
+
+require (
+	github.com/external-secrets/external-secrets/apis v0.0.0
+	github.com/external-secrets/external-secrets/proto v0.0.0
+	k8s.io/apiextensions-apiserver v0.35.2
+	k8s.io/apimachinery v0.35.2
+	sigs.k8s.io/controller-runtime v0.23.3
+)
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/emicklei/go-restful/v3 v3.13.0 // indirect
+	github.com/evanphx/json-patch/v5 v5.9.11 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
+	github.com/go-openapi/jsonpointer v0.22.5 // indirect
+	github.com/go-openapi/jsonreference v0.21.5 // indirect
+	github.com/go-openapi/swag v0.25.5 // indirect
+	github.com/go-openapi/swag/cmdutils v0.25.5 // indirect
+	github.com/go-openapi/swag/conv v0.25.5 // indirect
+	github.com/go-openapi/swag/fileutils v0.25.5 // indirect
+	github.com/go-openapi/swag/jsonname v0.25.5 // indirect
+	github.com/go-openapi/swag/jsonutils v0.25.5 // indirect
+	github.com/go-openapi/swag/loading v0.25.5 // indirect
+	github.com/go-openapi/swag/mangling v0.25.5 // indirect
+	github.com/go-openapi/swag/netutils v0.25.5 // indirect
+	github.com/go-openapi/swag/stringutils v0.25.5 // indirect
+	github.com/go-openapi/swag/typeutils v0.25.5 // indirect
+	github.com/go-openapi/swag/yamlutils v0.25.5 // indirect
+	github.com/google/btree v1.1.3 // indirect
+	github.com/google/gnostic-models v0.7.1 // indirect
+	github.com/google/go-cmp v0.7.0 // indirect
+	github.com/google/pprof v0.0.0-20260115054156-294ebfa9ad83 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/prometheus/client_golang v1.23.2 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.67.5 // indirect
+	github.com/prometheus/procfs v0.20.1 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
+	go.yaml.in/yaml/v2 v2.4.4 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/net v0.52.0 // indirect
+	golang.org/x/oauth2 v0.36.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
+	golang.org/x/term v0.41.0 // indirect
+	golang.org/x/text v0.35.0 // indirect
+	golang.org/x/time v0.15.0 // indirect
+	gomodules.xyz/jsonpatch/v2 v2.5.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260316180232-0b37fe3546d5 // indirect
+	google.golang.org/grpc v1.79.3 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
+	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	k8s.io/api v0.35.2 // indirect
+	k8s.io/client-go v0.35.2 // indirect
+	k8s.io/klog/v2 v2.140.0 // indirect
+	k8s.io/kube-openapi v0.0.0-20260304202019-5b3e3fdb0acf // indirect
+	k8s.io/utils v0.0.0-20260210185600-b8788abfbbc2 // indirect
+	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
+	sigs.k8s.io/randfill v1.0.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v6 v6.3.2 // indirect
+	sigs.k8s.io/yaml v1.6.0 // indirect
+)

providers/v2/adapter/generator/go.sum

@@ -0,0 +1,208 @@
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providers/v2/adapter/generator/server.go

@@ -0,0 +1,245 @@
+/*
+Copyright © The ESO Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    https://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package generator
+
+import (
+	"context"
+	"fmt"
+	"reflect"
+	"strings"
+
+	apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/types"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	genv1alpha1 "github.com/external-secrets/external-secrets/apis/generators/v1alpha1"
+	genpb "github.com/external-secrets/external-secrets/proto/generator"
+)
+
+// Server wraps v1 providers and generators and exposes them as v2 gRPC services.
+// This allows existing v1 provider and generator implementations to be used in the v2 architecture.
+type Server struct {
+	genpb.UnimplementedGeneratorProviderServer
+	kubeClient client.Client
+	scheme     *runtime.Scheme
+
+	// we support multiple v1 generators, so we need to map the v2 generator
+	// with apiVersion+kind to the corresponding v1 generator
+	generatorMapping Mapping
+}
+
+// Mapping maps Kubernetes resources to their generator implementations.
+type Mapping map[schema.GroupVersionKind]genv1alpha1.Generator
+
+// NewServer creates a new generator adapter server.
+func NewServer(kubeClient client.Client, scheme *runtime.Scheme, generatorMapping Mapping) *Server {
+	return &Server{
+		kubeClient:       kubeClient,
+		scheme:           scheme,
+		generatorMapping: generatorMapping,
+	}
+}
+
+// Generate creates a new secret or set of secrets using a v1 generator.
+func (s *Server) Generate(ctx context.Context, req *genpb.GenerateRequest) (*genpb.GenerateResponse, error) {
+	if req == nil || req.GeneratorRef == nil {
+		return nil, fmt.Errorf("request or generator ref is nil")
+	}
+
+	// Resolve the generator implementation and resource
+	generator, jsonObj, err := s.getGenerator(ctx, req.GeneratorRef, req.SourceNamespace)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get generator: %w", err)
+	}
+
+	// Call the v1 generator's Generate method
+	secretMap, state, err := generator.Generate(ctx, jsonObj, s.kubeClient, req.SourceNamespace)
+	if err != nil {
+		return nil, fmt.Errorf("failed to generate secrets: %w", err)
+	}
+
+	// Convert state to bytes
+	var stateBytes []byte
+	if state != nil {
+		stateBytes = state.Raw
+	}
+
+	return &genpb.GenerateResponse{
+		Secrets: secretMap,
+		State:   stateBytes,
+	}, nil
+}
+
+// Cleanup deletes any resources created during the Generate phase.
+func (s *Server) Cleanup(ctx context.Context, req *genpb.CleanupRequest) (*genpb.CleanupResponse, error) {
+	if req == nil || req.GeneratorRef == nil {
+		return nil, fmt.Errorf("request or generator ref is nil")
+	}
+
+	// Resolve the generator implementation and resource
+	generator, jsonObj, err := s.getGenerator(ctx, req.GeneratorRef, req.SourceNamespace)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get generator: %w", err)
+	}
+
+	// Unmarshal the state
+	var state genv1alpha1.GeneratorProviderState
+	if len(req.State) > 0 {
+		state = &apiextensions.JSON{Raw: req.State}
+	}
+
+	// Call the v1 generator's Cleanup method
+	err = generator.Cleanup(ctx, jsonObj, state, s.kubeClient, req.SourceNamespace)
+	if err != nil {
+		return nil, fmt.Errorf("failed to cleanup generator resources: %w", err)
+	}
+
+	return &genpb.CleanupResponse{}, nil
+}
+
+// getGenerator retrieves a generator implementation and the generator resource.
+// This is similar to runtime/esutils/resolvers/generator.go getGenerator function.
+func (s *Server) getGenerator(ctx context.Context, generatorRef *genpb.GeneratorRef, namespace string) (genv1alpha1.Generator, *apiextensions.JSON, error) {
+	if generatorRef == nil {
+		return nil, nil, fmt.Errorf("generator reference is nil")
+	}
+
+	// Parse the API version
+	splitted := strings.Split(generatorRef.ApiVersion, "/")
+	if len(splitted) != 2 {
+		return nil, nil, fmt.Errorf("invalid api version: %s", generatorRef.ApiVersion)
+	}
+	group := splitted[0]
+	version := splitted[1]
+
+	// Construct the GVK
+	gvk := schema.GroupVersionKind{
+		Group:   group,
+		Version: version,
+		Kind:    generatorRef.Kind,
+	}
+
+	// Fail if the GVK does not use the generator group
+	if gvk.Group != genv1alpha1.Group {
+		return nil, nil, fmt.Errorf("generatorRef may only reference the generators group, but got %s", gvk.Group)
+	}
+
+	// Lookup the generator implementation from the mapping
+	generator, ok := s.generatorMapping[gvk]
+	if !ok {
+		return nil, nil, fmt.Errorf("generator mapping not found for %q", gvk)
+	}
+
+	// Get a client Object from the GVK
+	t, exists := s.scheme.AllKnownTypes()[gvk]
+	if !exists {
+		return nil, nil, fmt.Errorf("generatorRef references unknown GVK %s", gvk)
+	}
+	obj := reflect.New(t).Interface().(client.Object)
+
+	// Handle ClusterGenerator specially
+	if gvk.Kind == genv1alpha1.ClusterGeneratorKind {
+		clusterGenerator := obj.(*genv1alpha1.ClusterGenerator)
+
+		// Get the cluster generator resource from the API
+		err := s.kubeClient.Get(ctx, client.ObjectKey{Name: generatorRef.Name}, clusterGenerator)
+		if err != nil {
+			return nil, nil, fmt.Errorf("failed to get ClusterGenerator: %w", err)
+		}
+
+		// Convert the cluster generator to a virtual namespaced generator object
+		obj, err = s.clusterGeneratorToVirtual(clusterGenerator)
+		if err != nil {
+			return nil, nil, fmt.Errorf("invalid ClusterGenerator: %w", err)
+		}
+	} else {
+		// Get the generator resource from the API
+		nsName := types.NamespacedName{
+			Name:      generatorRef.Name,
+			Namespace: namespace,
+		}
+		// Use the namespace from the ref if provided (for flexibility)
+		if generatorRef.Namespace != "" {
+			nsName.Namespace = generatorRef.Namespace
+		}
+
+		err := s.kubeClient.Get(ctx, nsName, obj)
+		if err != nil {
+			return nil, nil, fmt.Errorf("failed to get generator resource: %w", err)
+		}
+	}
+
+	// Convert the generator to unstructured object
+	u := &unstructured.Unstructured{}
+	var unstructuredObj map[string]any
+	var err error
+	unstructuredObj, err = runtime.DefaultUnstructuredConverter.ToUnstructured(obj)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to convert to unstructured: %w", err)
+	}
+	u.Object = unstructuredObj
+
+	// Convert the unstructured object to JSON
+	jsonObj, err := u.MarshalJSON()
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to marshal JSON: %w", err)
+	}
+
+	return generator, &apiextensions.JSON{Raw: jsonObj}, nil
+}
+
+// clusterGeneratorToVirtual converts a ClusterGenerator to a virtual namespaced generator.
+// This is adapted from runtime/esutils/resolvers/generator.go.
+func (s *Server) clusterGeneratorToVirtual(gen *genv1alpha1.ClusterGenerator) (client.Object, error) {
+	switch gen.Spec.Kind {
+	case genv1alpha1.GeneratorKindFake:
+		if gen.Spec.Generator.FakeSpec == nil {
+			return nil, fmt.Errorf("when kind is %s, FakeSpec must be set", gen.Spec.Kind)
+		}
+		return &genv1alpha1.Fake{
+			TypeMeta: metav1.TypeMeta{
+				APIVersion: genv1alpha1.SchemeGroupVersion.String(),
+				Kind:       genv1alpha1.FakeKind,
+			},
+			ObjectMeta: metav1.ObjectMeta{
+				Name: gen.Name,
+			},
+			Spec: *gen.Spec.Generator.FakeSpec,
+		}, nil
+	case genv1alpha1.GeneratorKindACRAccessToken,
+		genv1alpha1.GeneratorKindCloudsmithAccessToken,
+		genv1alpha1.GeneratorKindECRAuthorizationToken,
+		genv1alpha1.GeneratorKindGCRAccessToken,
+		genv1alpha1.GeneratorKindGithubAccessToken,
+		genv1alpha1.GeneratorKindGrafana,
+		genv1alpha1.GeneratorKindMFA,
+		genv1alpha1.GeneratorKindPassword,
+		genv1alpha1.GeneratorKindQuayAccessToken,
+		genv1alpha1.GeneratorKindSSHKey,
+		genv1alpha1.GeneratorKindSTSSessionToken,
+		genv1alpha1.GeneratorKindUUID,
+		genv1alpha1.GeneratorKindVaultDynamicSecret,
+		genv1alpha1.GeneratorKindWebhook:
+		return nil, fmt.Errorf("unsupported generator kind: %s", gen.Spec.Kind)
+	default:
+		return nil, fmt.Errorf("unsupported generator kind: %s", gen.Spec.Kind)
+	}
+}

providers/v2/adapter/go.mod

@@ -0,0 +1,88 @@
+module github.com/external-secrets/external-secrets/providers/v2/adapter
+
+go 1.26.2
+
+replace (
+	github.com/external-secrets/external-secrets => ../../..
+	github.com/external-secrets/external-secrets/apis => ../../../apis
+	github.com/external-secrets/external-secrets/proto => ../common/proto
+	github.com/external-secrets/external-secrets/providers/v2/adapter/generator => ./generator
+	github.com/external-secrets/external-secrets/providers/v2/adapter/store => ./store
+	github.com/external-secrets/external-secrets/providers/v2/common => ../common
+	github.com/external-secrets/external-secrets/runtime => ../../../runtime
+)
+
+require (
+	github.com/external-secrets/external-secrets/proto v0.0.0
+	github.com/external-secrets/external-secrets/providers/v2/adapter/generator v0.0.0-00010101000000-000000000000
+	github.com/external-secrets/external-secrets/providers/v2/adapter/store v0.0.0-00010101000000-000000000000
+	k8s.io/apimachinery v0.35.2
+	sigs.k8s.io/controller-runtime v0.23.3
+)
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/emicklei/go-restful/v3 v3.13.0 // indirect
+	github.com/evanphx/json-patch/v5 v5.9.11 // indirect
+	github.com/external-secrets/external-secrets/apis v0.0.0 // indirect
+	github.com/external-secrets/external-secrets/providers/v2/common v0.0.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
+	github.com/go-openapi/jsonpointer v0.22.5 // indirect
+	github.com/go-openapi/jsonreference v0.21.5 // indirect
+	github.com/go-openapi/swag v0.25.5 // indirect
+	github.com/go-openapi/swag/cmdutils v0.25.5 // indirect
+	github.com/go-openapi/swag/conv v0.25.5 // indirect
+	github.com/go-openapi/swag/fileutils v0.25.5 // indirect
+	github.com/go-openapi/swag/jsonname v0.25.5 // indirect
+	github.com/go-openapi/swag/jsonutils v0.25.5 // indirect
+	github.com/go-openapi/swag/loading v0.25.5 // indirect
+	github.com/go-openapi/swag/mangling v0.25.5 // indirect
+	github.com/go-openapi/swag/netutils v0.25.5 // indirect
+	github.com/go-openapi/swag/stringutils v0.25.5 // indirect
+	github.com/go-openapi/swag/typeutils v0.25.5 // indirect
+	github.com/go-openapi/swag/yamlutils v0.25.5 // indirect
+	github.com/google/btree v1.1.3 // indirect
+	github.com/google/gnostic-models v0.7.1 // indirect
+	github.com/google/go-cmp v0.7.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/prometheus/client_golang v1.23.2 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.67.5 // indirect
+	github.com/prometheus/procfs v0.20.1 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
+	go.yaml.in/yaml/v2 v2.4.4 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/net v0.52.0 // indirect
+	golang.org/x/oauth2 v0.36.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
+	golang.org/x/term v0.41.0 // indirect
+	golang.org/x/text v0.35.0 // indirect
+	golang.org/x/time v0.15.0 // indirect
+	gomodules.xyz/jsonpatch/v2 v2.5.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260316180232-0b37fe3546d5 // indirect
+	google.golang.org/grpc v1.79.3 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
+	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	k8s.io/api v0.35.2 // indirect
+	k8s.io/apiextensions-apiserver v0.35.2 // indirect
+	k8s.io/client-go v0.35.2 // indirect
+	k8s.io/klog/v2 v2.140.0 // indirect
+	k8s.io/kube-openapi v0.0.0-20260304202019-5b3e3fdb0acf // indirect
+	k8s.io/utils v0.0.0-20260210185600-b8788abfbbc2 // indirect
+	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
+	sigs.k8s.io/randfill v1.0.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v6 v6.3.2 // indirect
+	sigs.k8s.io/yaml v1.6.0 // indirect
+)

providers/v2/adapter/go.sum

@@ -0,0 +1,207 @@
+github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
+github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/emicklei/go-restful/v3 v3.13.0 h1:C4Bl2xDndpU6nJ4bc1jXd+uTmYPVUwkD6bFY/oTyCes=
+github.com/emicklei/go-restful/v3 v3.13.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
+github.com/evanphx/json-patch v0.5.2 h1:xVCHIVMUu1wtM/VkR9jVZ45N3FhZfYMMYGorLCR8P3k=
+github.com/evanphx/json-patch v0.5.2/go.mod h1:ZWS5hhDbVDyob71nXKNL0+PWn6ToqBHMikGIFbs31qQ=
+github.com/evanphx/json-patch/v5 v5.9.11 h1:/8HVnzMq13/3x9TPvjG08wUGqBTmZBsCWzjTM0wiaDU=
+github.com/evanphx/json-patch/v5 v5.9.11/go.mod h1:3j+LviiESTElxA4p3EMKAB9HXj3/XEtnUf6OZxqIQTM=
+github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
+github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
+github.com/fxamacker/cbor/v2 v2.9.0 h1:NpKPmjDBgUfBms6tr6JZkTHtfFGcMKsw3eGcmD/sapM=
+github.com/fxamacker/cbor/v2 v2.9.0/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/go-logr/zapr v1.3.0 h1:XGdV8XW8zdwFiwOA2Dryh1gj2KRQyOOoNmBy4EplIcQ=
+github.com/go-logr/zapr v1.3.0/go.mod h1:YKepepNBd1u/oyhd/yQmtjVXmm9uML4IXUgMOwR8/Gg=
+github.com/go-openapi/jsonpointer v0.22.5 h1:8on/0Yp4uTb9f4XvTrM2+1CPrV05QPZXu+rvu2o9jcA=
+github.com/go-openapi/jsonpointer v0.22.5/go.mod h1:gyUR3sCvGSWchA2sUBJGluYMbe1zazrYWIkWPjjMUY0=
+github.com/go-openapi/jsonreference v0.21.5 h1:6uCGVXU/aNF13AQNggxfysJ+5ZcU4nEAe+pJyVWRdiE=
+github.com/go-openapi/jsonreference v0.21.5/go.mod h1:u25Bw85sX4E2jzFodh1FOKMTZLcfifd1Q+iKKOUxExw=
+github.com/go-openapi/swag v0.25.5 h1:pNkwbUEeGwMtcgxDr+2GBPAk4kT+kJ+AaB+TMKAg+TU=
+github.com/go-openapi/swag v0.25.5/go.mod h1:B3RT6l8q7X803JRxa2e59tHOiZlX1t8viplOcs9CwTA=
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+github.com/go-openapi/swag/cmdutils v0.25.5/go.mod h1:pdae/AFo6WxLl5L0rq87eRzVPm/XRHM3MoYgRMvG4A0=
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providers/v2/adapter/server.go

@@ -0,0 +1,112 @@
+/*
+Copyright © The ESO Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    https://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package adapter provides a unified server that wraps v1 providers and generators for v2 gRPC services.
+package adapter
+
+import (
+	"context"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	genpb "github.com/external-secrets/external-secrets/proto/generator"
+	pb "github.com/external-secrets/external-secrets/proto/provider"
+	"github.com/external-secrets/external-secrets/providers/v2/adapter/generator"
+	"github.com/external-secrets/external-secrets/providers/v2/adapter/store"
+)
+
+// Server is a unified gRPC server that implements both SecretStoreProvider and GeneratorProvider.
+// It embeds both the store and generator servers to provide a single implementation.
+type Server struct {
+	pb.UnimplementedSecretStoreProviderServer
+	genpb.UnimplementedGeneratorProviderServer
+	storeServer     *store.Server
+	generatorServer *generator.Server
+}
+
+// NewServer creates a new unified adapter server that wraps v1 providers and generators.
+// It combines both store and generator functionality into a single gRPC server.
+func NewServer(
+	kubeClient client.Client,
+	scheme *runtime.Scheme,
+	providerMapping store.ProviderMapping,
+	specMapper store.SpecMapper,
+	generatorMapping generator.Mapping,
+) *Server {
+	return &Server{
+		storeServer:     store.NewServer(kubeClient, providerMapping, specMapper),
+		generatorServer: generator.NewServer(kubeClient, scheme, generatorMapping),
+	}
+}
+
+// Ensure Server implements both interfaces.
+var _ pb.SecretStoreProviderServer = (*Server)(nil)
+var _ genpb.GeneratorProviderServer = (*Server)(nil)
+
+// Store methods - delegated to store.Server
+
+// GetSecret retrieves a single secret from the provider.
+func (s *Server) GetSecret(ctx context.Context, req *pb.GetSecretRequest) (*pb.GetSecretResponse, error) {
+	return s.storeServer.GetSecret(ctx, req)
+}
+
+// GetSecretMap retrieves multiple key/value pairs from a single secret object.
+func (s *Server) GetSecretMap(ctx context.Context, req *pb.GetSecretMapRequest) (*pb.GetSecretMapResponse, error) {
+	return s.storeServer.GetSecretMap(ctx, req)
+}
+
+// PushSecret pushes a secret to the provider.
+func (s *Server) PushSecret(ctx context.Context, req *pb.PushSecretRequest) (*pb.PushSecretResponse, error) {
+	return s.storeServer.PushSecret(ctx, req)
+}
+
+// DeleteSecret deletes a secret from the provider.
+func (s *Server) DeleteSecret(ctx context.Context, req *pb.DeleteSecretRequest) (*pb.DeleteSecretResponse, error) {
+	return s.storeServer.DeleteSecret(ctx, req)
+}
+
+// SecretExists checks if a secret exists in the provider.
+func (s *Server) SecretExists(ctx context.Context, req *pb.SecretExistsRequest) (*pb.SecretExistsResponse, error) {
+	return s.storeServer.SecretExists(ctx, req)
+}
+
+// GetAllSecrets retrieves multiple secrets from the provider.
+func (s *Server) GetAllSecrets(ctx context.Context, req *pb.GetAllSecretsRequest) (*pb.GetAllSecretsResponse, error) {
+	return s.storeServer.GetAllSecrets(ctx, req)
+}
+
+// Validate validates the provider configuration.
+func (s *Server) Validate(ctx context.Context, req *pb.ValidateRequest) (*pb.ValidateResponse, error) {
+	return s.storeServer.Validate(ctx, req)
+}
+
+// Capabilities returns the capabilities of the provider.
+func (s *Server) Capabilities(ctx context.Context, req *pb.CapabilitiesRequest) (*pb.CapabilitiesResponse, error) {
+	return s.storeServer.Capabilities(ctx, req)
+}
+
+// Generator methods - delegated to generator.Server
+
+// Generate generates a new secret value.
+func (s *Server) Generate(ctx context.Context, req *genpb.GenerateRequest) (*genpb.GenerateResponse, error) {
+	return s.generatorServer.Generate(ctx, req)
+}
+
+// Cleanup performs cleanup operations for the generator.
+func (s *Server) Cleanup(ctx context.Context, req *genpb.CleanupRequest) (*genpb.CleanupResponse, error) {
+	return s.generatorServer.Cleanup(ctx, req)
+}