refactor: reduce store dependency in engine pkg (#6260)

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

cmd/background-controller/main.go

@@ -215,7 +215,7 @@ func main() {
 		configuration,
 		dClient,
 		rclient,
-		engine.LegacyContextLoaderFactory(configMapResolver),
+		engineapi.DefaultContextLoaderFactory(configMapResolver),
 		// TODO: do we need exceptions here ?
 		nil,
 	)

cmd/cli/kubectl-kyverno/apply/apply_command.go

@@ -334,14 +334,12 @@ func (c *ApplyCommandConfig) applyCommandHelper() (rc *common.ResultCounts, reso
 
 	// get the user info as request info from a different file
 	var userInfo v1beta1.RequestInfo
-	var subjectInfo store.Subject
 	if c.UserInfoPath != "" {
-		userInfo, subjectInfo, err = common.GetUserInfoFromPath(fs, c.UserInfoPath, false, "")
+		userInfo, err = common.GetUserInfoFromPath(fs, c.UserInfoPath, false, "")
 		if err != nil {
 			fmt.Printf("Error: failed to load request info\nCause: %s\n", err)
 			osExit(1)
 		}
-		store.SetSubject(subjectInfo.Subject)
 	}
 
 	if c.VariablesString != "" {

cmd/cli/kubectl-kyverno/test/test_command.go

@@ -770,15 +770,13 @@ func applyPoliciesFromPath(fs billy.Filesystem, policyBytes []byte, isGit bool,
 
 	// get the user info as request info from a different file
 	var userInfo v1beta1.RequestInfo
-	var subjectInfo store.Subject
 
 	if userInfoFile != "" {
-		userInfo, subjectInfo, err = common.GetUserInfoFromPath(fs, userInfoFile, isGit, policyResourcePath)
+		userInfo, err = common.GetUserInfoFromPath(fs, userInfoFile, isGit, policyResourcePath)
 		if err != nil {
 			fmt.Printf("Error: failed to load request info\nCause: %s\n", err)
 			os.Exit(1)
 		}
-		store.SetSubject(subjectInfo.Subject)
 	}
 
 	policyFullPath := getFullPath(values.Policies, policyResourcePath, isGit)

cmd/cli/kubectl-kyverno/utils/common/common.go

@@ -478,7 +478,7 @@ OuterLoop:
 		cfg,
 		c.Client,
 		registryclient.NewOrDie(),
-		engine.LegacyContextLoaderFactory(nil),
+		store.ContextLoaderFactory(nil),
 		nil,
 	)
 	policyContext := engine.NewPolicyContextWithJsonContext(ctx).
@@ -1077,7 +1077,7 @@ func initializeMockController(objects []runtime.Object) (*generate.GenerateContr
 		config.NewDefaultConfiguration(),
 		client,
 		nil,
-		engine.LegacyContextLoaderFactory(nil),
+		store.ContextLoaderFactory(nil),
 		nil,
 	))
 	return c, nil
@@ -1148,9 +1148,8 @@ func handleGeneratePolicy(generateResponse *engineapi.EngineResponse, policyCont
 }
 
 // GetUserInfoFromPath - get the request info as user info from a given path
-func GetUserInfoFromPath(fs billy.Filesystem, path string, isGit bool, policyResourcePath string) (kyvernov1beta1.RequestInfo, store.Subject, error) {
+func GetUserInfoFromPath(fs billy.Filesystem, path string, isGit bool, policyResourcePath string) (kyvernov1beta1.RequestInfo, error) {
 	userInfo := &kyvernov1beta1.RequestInfo{}
-	subjectInfo := &store.Subject{}
 	if isGit {
 		filep, err := fs.Open(filepath.Join(policyResourcePath, path))
 		if err != nil {
@@ -1168,14 +1167,6 @@ func GetUserInfoFromPath(fs billy.Filesystem, path string, isGit bool, policyRes
 		if err := json.Unmarshal(userInfoBytes, userInfo); err != nil {
 			fmt.Printf("failed to decode yaml: %v", err)
 		}
-		subjectBytes, err := yaml.ToJSON(bytes)
-		if err != nil {
-			fmt.Printf("failed to convert to JSON: %v", err)
-		}
-
-		if err := json.Unmarshal(subjectBytes, subjectInfo); err != nil {
-			fmt.Printf("failed to decode yaml: %v", err)
-		}
 	} else {
 		var errors []error
 		pathname := filepath.Clean(filepath.Join(policyResourcePath, path))
@@ -1190,13 +1181,6 @@ func GetUserInfoFromPath(fs billy.Filesystem, path string, isGit bool, policyRes
 		if err := json.Unmarshal(userInfoBytes, userInfo); err != nil {
 			errors = append(errors, sanitizederror.NewWithError("failed to decode yaml", err))
 		}
-		if err := json.Unmarshal(userInfoBytes, subjectInfo); err != nil {
-			errors = append(errors, sanitizederror.NewWithError("failed to decode yaml", err))
-		}
-		if len(errors) > 0 {
-			return *userInfo, *subjectInfo, sanitizederror.NewWithErrors("failed to read file", errors)
-		}
-
 		if len(errors) > 0 && log.Log.V(1).Enabled() {
 			fmt.Printf("ignoring errors: \n")
 			for _, e := range errors {
@@ -1204,7 +1188,7 @@ func GetUserInfoFromPath(fs billy.Filesystem, path string, isGit bool, policyRes
 			}
 		}
 	}
-	return *userInfo, *subjectInfo, nil
+	return *userInfo, nil
 }
 
 func IsGitSourcePath(policyPaths []string) bool {

cmd/cli/kubectl-kyverno/utils/store/contextloader.go

@@ -0,0 +1,80 @@
+package store
+
+import (
+	"context"
+
+	"github.com/go-logr/logr"
+	kyvernov1 "github.com/kyverno/kyverno/api/kyverno/v1"
+	"github.com/kyverno/kyverno/pkg/clients/dclient"
+	engineapi "github.com/kyverno/kyverno/pkg/engine/api"
+	enginecontext "github.com/kyverno/kyverno/pkg/engine/context"
+	"github.com/kyverno/kyverno/pkg/logging"
+	"github.com/kyverno/kyverno/pkg/registryclient"
+)
+
+func ContextLoaderFactory(
+	cmResolver engineapi.ConfigmapResolver,
+) engineapi.ContextLoaderFactory {
+	return func(policy kyvernov1.PolicyInterface, rule kyvernov1.Rule) engineapi.ContextLoader {
+		inner := engineapi.DefaultContextLoaderFactory(cmResolver)
+		if IsMock() {
+			return &mockContextLoader{
+				logger:     logging.WithName("MockContextLoaderFactory"),
+				policyName: policy.GetName(),
+				ruleName:   rule.Name,
+			}
+		} else {
+			return inner(policy, rule)
+		}
+	}
+}
+
+type mockContextLoader struct {
+	logger     logr.Logger
+	policyName string
+	ruleName   string
+}
+
+func (l *mockContextLoader) Load(
+	ctx context.Context,
+	client dclient.Interface,
+	_ registryclient.Client,
+	contextEntries []kyvernov1.ContextEntry,
+	jsonContext enginecontext.Interface,
+) error {
+	rule := GetPolicyRule(l.policyName, l.ruleName)
+	if rule != nil && len(rule.Values) > 0 {
+		variables := rule.Values
+		for key, value := range variables {
+			if err := jsonContext.AddVariable(key, value); err != nil {
+				return err
+			}
+		}
+	}
+	hasRegistryAccess := GetRegistryAccess()
+	// Context Variable should be loaded after the values loaded from values file
+	for _, entry := range contextEntries {
+		if entry.ImageRegistry != nil && hasRegistryAccess {
+			rclient := GetRegistryClient()
+			if err := engineapi.LoadImageData(ctx, rclient, l.logger, entry, jsonContext); err != nil {
+				return err
+			}
+		} else if entry.Variable != nil {
+			if err := engineapi.LoadVariable(l.logger, entry, jsonContext); err != nil {
+				return err
+			}
+		} else if entry.APICall != nil && IsApiCallAllowed() {
+			if err := engineapi.LoadAPIData(ctx, l.logger, entry, jsonContext, client); err != nil {
+				return err
+			}
+		}
+	}
+	if rule != nil && len(rule.ForEachValues) > 0 {
+		for key, value := range rule.ForEachValues {
+			if err := jsonContext.AddVariable(key, value[GetForeachElement()]); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}

cmd/cli/kubectl-kyverno/utils/store/store.go

@@ -2,7 +2,6 @@ package store
 
 import (
 	"github.com/kyverno/kyverno/pkg/registryclient"
-	rbacv1 "k8s.io/api/rbac/v1"
 )
 
 type Context struct {
@@ -20,18 +19,12 @@ type Rule struct {
 	ForEachValues map[string][]interface{} `json:"foreachValues"`
 }
 
-type Subject struct {
-	Subject rbacv1.Subject `json:"subject,omitempty" yaml:"subject,omitempty"`
-}
-
 var (
 	mock           bool
 	registryClient registryclient.Client
 	allowApiCalls  bool
 	policies       []Policy
-	// contextVar     Context
 	foreachElement int
-	subject        rbacv1.Subject
 )
 
 func SetMock(m bool) {
@@ -94,14 +87,6 @@ func GetPolicyRule(policyName string, ruleName string) *Rule {
 	return nil
 }
 
-func SetSubject(s rbacv1.Subject) {
-	subject = s
-}
-
-func GetSubject() rbacv1.Subject {
-	return subject
-}
-
 func AllowApiCall(allow bool) {
 	allowApiCalls = allow
 }

cmd/kyverno/main.go

@@ -368,7 +368,7 @@ func main() {
 		configuration,
 		dClient,
 		rclient,
-		engine.LegacyContextLoaderFactory(configMapResolver),
+		engineapi.DefaultContextLoaderFactory(configMapResolver),
 		exceptionsLister,
 	)
 	// create non leader controllers

cmd/reports-controller/main.go

@@ -315,7 +315,7 @@ func main() {
 		configuration,
 		dClient,
 		rclient,
-		engine.LegacyContextLoaderFactory(configMapResolver),
+		engineapi.DefaultContextLoaderFactory(configMapResolver),
 		exceptionsLister,
 	)
 	// setup leader election

pkg/engine/api/context.go

@@ -1,4 +1,4 @@
-package engine
+package api
 
 import (
 	"context"
@@ -7,123 +7,15 @@ import (
 
 	"github.com/go-logr/logr"
 	kyvernov1 "github.com/kyverno/kyverno/api/kyverno/v1"
-	"github.com/kyverno/kyverno/cmd/cli/kubectl-kyverno/utils/store"
 	"github.com/kyverno/kyverno/pkg/clients/dclient"
-	engineapi "github.com/kyverno/kyverno/pkg/engine/api"
 	"github.com/kyverno/kyverno/pkg/engine/apicall"
 	enginecontext "github.com/kyverno/kyverno/pkg/engine/context"
 	"github.com/kyverno/kyverno/pkg/engine/jmespath"
 	"github.com/kyverno/kyverno/pkg/engine/variables"
-	"github.com/kyverno/kyverno/pkg/logging"
 	"github.com/kyverno/kyverno/pkg/registryclient"
 )
 
-func LegacyContextLoaderFactory(
+func LoadVariable(logger logr.Logger, entry kyvernov1.ContextEntry, ctx enginecontext.Interface) (err error) {
-	cmResolver engineapi.ConfigmapResolver,
-) engineapi.ContextLoaderFactory {
-	return func(policy kyvernov1.PolicyInterface, rule kyvernov1.Rule) engineapi.ContextLoader {
-		if store.IsMock() {
-			return &mockContextLoader{
-				logger:     logging.WithName("MockContextLoaderFactory"),
-				policyName: policy.GetName(),
-				ruleName:   rule.Name,
-			}
-		} else {
-			return &contextLoader{
-				logger:     logging.WithName("LegacyContextLoaderFactory"),
-				cmResolver: cmResolver,
-			}
-		}
-	}
-}
-
-type contextLoader struct {
-	logger     logr.Logger
-	cmResolver engineapi.ConfigmapResolver
-}
-
-func (l *contextLoader) Load(
-	ctx context.Context,
-	client dclient.Interface,
-	rclient registryclient.Client,
-	exceptionSelector engineapi.PolicyExceptionSelector,
-	contextEntries []kyvernov1.ContextEntry,
-	jsonContext enginecontext.Interface,
-) error {
-	for _, entry := range contextEntries {
-		if entry.ConfigMap != nil {
-			if err := loadConfigMap(ctx, l.logger, entry, jsonContext, l.cmResolver); err != nil {
-				return err
-			}
-		} else if entry.APICall != nil {
-			if err := loadAPIData(ctx, l.logger, entry, jsonContext, client); err != nil {
-				return err
-			}
-		} else if entry.ImageRegistry != nil {
-			if err := loadImageData(ctx, rclient, l.logger, entry, jsonContext); err != nil {
-				return err
-			}
-		} else if entry.Variable != nil {
-			if err := loadVariable(l.logger, entry, jsonContext); err != nil {
-				return err
-			}
-		}
-	}
-	return nil
-}
-
-type mockContextLoader struct {
-	logger     logr.Logger
-	policyName string
-	ruleName   string
-}
-
-func (l *mockContextLoader) Load(
-	ctx context.Context,
-	client dclient.Interface,
-	_ registryclient.Client,
-	_ engineapi.PolicyExceptionSelector,
-	contextEntries []kyvernov1.ContextEntry,
-	jsonContext enginecontext.Interface,
-) error {
-	rule := store.GetPolicyRule(l.policyName, l.ruleName)
-	if rule != nil && len(rule.Values) > 0 {
-		variables := rule.Values
-		for key, value := range variables {
-			if err := jsonContext.AddVariable(key, value); err != nil {
-				return err
-			}
-		}
-	}
-	hasRegistryAccess := store.GetRegistryAccess()
-	// Context Variable should be loaded after the values loaded from values file
-	for _, entry := range contextEntries {
-		if entry.ImageRegistry != nil && hasRegistryAccess {
-			rclient := store.GetRegistryClient()
-			if err := loadImageData(ctx, rclient, l.logger, entry, jsonContext); err != nil {
-				return err
-			}
-		} else if entry.Variable != nil {
-			if err := loadVariable(l.logger, entry, jsonContext); err != nil {
-				return err
-			}
-		} else if entry.APICall != nil && store.IsApiCallAllowed() {
-			if err := loadAPIData(ctx, l.logger, entry, jsonContext, client); err != nil {
-				return err
-			}
-		}
-	}
-	if rule != nil && len(rule.ForEachValues) > 0 {
-		for key, value := range rule.ForEachValues {
-			if err := jsonContext.AddVariable(key, value[store.GetForeachElement()]); err != nil {
-				return err
-			}
-		}
-	}
-	return nil
-}
-
-func loadVariable(logger logr.Logger, entry kyvernov1.ContextEntry, ctx enginecontext.Interface) (err error) {
 	path := ""
 	if entry.Variable.JMESPath != "" {
 		jp, err := variables.SubstituteAll(logger, ctx, entry.Variable.JMESPath)
@@ -182,7 +74,7 @@ func loadVariable(logger logr.Logger, entry kyvernov1.ContextEntry, ctx engineco
 	}
 }
 
-func loadImageData(ctx context.Context, rclient registryclient.Client, logger logr.Logger, entry kyvernov1.ContextEntry, enginectx enginecontext.Interface) error {
+func LoadImageData(ctx context.Context, rclient registryclient.Client, logger logr.Logger, entry kyvernov1.ContextEntry, enginectx enginecontext.Interface) error {
 	imageData, err := fetchImageData(ctx, rclient, logger, entry, enginectx)
 	if err != nil {
 		return err
@@ -197,6 +89,29 @@ func loadImageData(ctx context.Context, rclient registryclient.Client, logger lo
 	return nil
 }
 
+func LoadAPIData(ctx context.Context, logger logr.Logger, entry kyvernov1.ContextEntry, enginectx enginecontext.Interface, client dclient.Interface) error {
+	executor, err := apicall.New(ctx, entry, enginectx, client, logger)
+	if err != nil {
+		return fmt.Errorf("failed to initialize APICall: %w", err)
+	}
+	if _, err := executor.Execute(); err != nil {
+		return fmt.Errorf("failed to execute APICall: %w", err)
+	}
+	return nil
+}
+
+func LoadConfigMap(ctx context.Context, logger logr.Logger, entry kyvernov1.ContextEntry, enginectx enginecontext.Interface, resolver ConfigmapResolver) error {
+	data, err := fetchConfigMap(ctx, logger, entry, enginectx, resolver)
+	if err != nil {
+		return fmt.Errorf("failed to retrieve config map for context entry %s: %v", entry.Name, err)
+	}
+	err = enginectx.AddContextEntry(entry.Name, data)
+	if err != nil {
+		return fmt.Errorf("failed to add config map for context entry %s: %v", entry.Name, err)
+	}
+	return nil
+}
+
 func fetchImageData(ctx context.Context, rclient registryclient.Client, logger logr.Logger, entry kyvernov1.ContextEntry, enginectx enginecontext.Interface) (interface{}, error) {
 	ref, err := variables.SubstituteAll(logger, enginectx, entry.ImageRegistry.Reference)
 	if err != nil {
@@ -278,17 +193,6 @@ func fetchImageDataMap(ctx context.Context, rclient registryclient.Client, ref s
 	return untyped, nil
 }
 
-func loadAPIData(ctx context.Context, logger logr.Logger, entry kyvernov1.ContextEntry, enginectx enginecontext.Interface, client dclient.Interface) error {
-	executor, err := apicall.New(ctx, entry, enginectx, client, logger)
-	if err != nil {
-		return fmt.Errorf("failed to initialize APICall: %w", err)
-	}
-	if _, err := executor.Execute(); err != nil {
-		return fmt.Errorf("failed to execute APICall: %w", err)
-	}
-	return nil
-}
-
 func applyJMESPath(jmesPath string, data interface{}) (interface{}, error) {
 	jp, err := jmespath.New(jmesPath)
 	if err != nil {
@@ -297,40 +201,23 @@ func applyJMESPath(jmesPath string, data interface{}) (interface{}, error) {
 	return jp.Search(data)
 }
 
-func loadConfigMap(ctx context.Context, logger logr.Logger, entry kyvernov1.ContextEntry, enginectx enginecontext.Interface, resolver engineapi.ConfigmapResolver) error {
+func fetchConfigMap(ctx context.Context, logger logr.Logger, entry kyvernov1.ContextEntry, enginectx enginecontext.Interface, resolver ConfigmapResolver) ([]byte, error) {
-	data, err := fetchConfigMap(ctx, logger, entry, enginectx, resolver)
-	if err != nil {
-		return fmt.Errorf("failed to retrieve config map for context entry %s: %v", entry.Name, err)
-	}
-	err = enginectx.AddContextEntry(entry.Name, data)
-	if err != nil {
-		return fmt.Errorf("failed to add config map for context entry %s: %v", entry.Name, err)
-	}
-	return nil
-}
-
-func fetchConfigMap(ctx context.Context, logger logr.Logger, entry kyvernov1.ContextEntry, enginectx enginecontext.Interface, resolver engineapi.ConfigmapResolver) ([]byte, error) {
 	contextData := make(map[string]interface{})
-
 	name, err := variables.SubstituteAll(logger, enginectx, entry.ConfigMap.Name)
 	if err != nil {
 		return nil, fmt.Errorf("failed to substitute variables in context %s configMap.name %s: %v", entry.Name, entry.ConfigMap.Name, err)
 	}
-
 	namespace, err := variables.SubstituteAll(logger, enginectx, entry.ConfigMap.Namespace)
 	if err != nil {
 		return nil, fmt.Errorf("failed to substitute variables in context %s configMap.namespace %s: %v", entry.Name, entry.ConfigMap.Namespace, err)
 	}
-
 	if namespace == "" {
 		namespace = "default"
 	}
-
 	obj, err := resolver.Get(ctx, namespace.(string), name.(string))
 	if err != nil {
 		return nil, fmt.Errorf("failed to get configmap %s/%s : %v", namespace, name, err)
 	}
-
 	// extract configmap data
 	contextData["data"] = obj.Data
 	contextData["metadata"] = obj.ObjectMeta
@@ -338,6 +225,5 @@ func fetchConfigMap(ctx context.Context, logger logr.Logger, entry kyvernov1.Con
 	if err != nil {
 		return nil, fmt.Errorf("failed to unmarshal configmap %s/%s: %v", namespace, name, err)
 	}
-
 	return data, nil
 }

pkg/engine/api/contextloader.go

@@ -3,9 +3,11 @@ package api
 import (
 	"context"
 
+	"github.com/go-logr/logr"
 	kyvernov1 "github.com/kyverno/kyverno/api/kyverno/v1"
 	"github.com/kyverno/kyverno/pkg/clients/dclient"
 	enginecontext "github.com/kyverno/kyverno/pkg/engine/context"
+	"github.com/kyverno/kyverno/pkg/logging"
 	"github.com/kyverno/kyverno/pkg/registryclient"
 )
 
@@ -18,8 +20,52 @@ type ContextLoader interface {
 		ctx context.Context,
 		client dclient.Interface,
 		rclient registryclient.Client,
-		exceptionSelector PolicyExceptionSelector,
 		contextEntries []kyvernov1.ContextEntry,
 		jsonContext enginecontext.Interface,
 	) error
 }
+
+func DefaultContextLoaderFactory(
+	cmResolver ConfigmapResolver,
+) ContextLoaderFactory {
+	return func(policy kyvernov1.PolicyInterface, rule kyvernov1.Rule) ContextLoader {
+		return &contextLoader{
+			logger:     logging.WithName("DefaultContextLoaderFactory"),
+			cmResolver: cmResolver,
+		}
+	}
+}
+
+type contextLoader struct {
+	logger     logr.Logger
+	cmResolver ConfigmapResolver
+}
+
+func (l *contextLoader) Load(
+	ctx context.Context,
+	client dclient.Interface,
+	rclient registryclient.Client,
+	contextEntries []kyvernov1.ContextEntry,
+	jsonContext enginecontext.Interface,
+) error {
+	for _, entry := range contextEntries {
+		if entry.ConfigMap != nil {
+			if err := LoadConfigMap(ctx, l.logger, entry, jsonContext, l.cmResolver); err != nil {
+				return err
+			}
+		} else if entry.APICall != nil {
+			if err := LoadAPIData(ctx, l.logger, entry, jsonContext, client); err != nil {
+				return err
+			}
+		} else if entry.ImageRegistry != nil {
+			if err := LoadImageData(ctx, rclient, l.logger, entry, jsonContext); err != nil {
+				return err
+			}
+		} else if entry.Variable != nil {
+			if err := LoadVariable(l.logger, entry, jsonContext); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}

pkg/engine/engine.go

@@ -82,7 +82,6 @@ func (e *engine) ContextLoader(
 			ctx,
 			e.client,
 			e.rclient,
-			e.exceptionSelector,
 			contextEntries,
 			jsonContext,
 		)

pkg/engine/imageVerify_test.go

@@ -172,7 +172,7 @@ func testVerifyAndPatchImages(
 		cfg,
 		nil,
 		rclient,
-		LegacyContextLoaderFactory(cmResolver),
+		engineapi.DefaultContextLoaderFactory(cmResolver),
 		nil,
 	)
 	return e.VerifyAndPatchImages(

pkg/engine/mutation_test.go

@@ -8,11 +8,11 @@ import (
 	"testing"
 
 	kyverno "github.com/kyverno/kyverno/api/kyverno/v1"
-	"github.com/kyverno/kyverno/cmd/cli/kubectl-kyverno/utils/store"
 	"github.com/kyverno/kyverno/pkg/clients/dclient"
 	client "github.com/kyverno/kyverno/pkg/clients/dclient"
 	engineapi "github.com/kyverno/kyverno/pkg/engine/api"
 	enginecontext "github.com/kyverno/kyverno/pkg/engine/context"
+	enginetest "github.com/kyverno/kyverno/pkg/engine/test"
 	"github.com/kyverno/kyverno/pkg/registryclient"
 	kubeutils "github.com/kyverno/kyverno/pkg/utils/kube"
 	"gotest.tools/assert"
@@ -26,12 +26,16 @@ func testMutate(
 	client dclient.Interface,
 	rclient registryclient.Client,
 	pContext *PolicyContext,
+	contextLoader engineapi.ContextLoaderFactory,
 ) *engineapi.EngineResponse {
+	if contextLoader == nil {
+		contextLoader = engineapi.DefaultContextLoaderFactory(nil)
+	}
 	e := NewEngine(
 		cfg,
 		client,
 		rclient,
-		LegacyContextLoaderFactory(nil),
+		contextLoader,
 		nil,
 	)
 	return e.Mutate(
@@ -115,7 +119,7 @@ func Test_VariableSubstitutionPatchStrategicMerge(t *testing.T) {
 		jsonContext: ctx,
 		newResource: *resourceUnstructured,
 	}
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, nil)
 	t.Log(string(expectedPatch))
 
 	assert.Equal(t, len(er.PolicyResponse.Rules), 1)
@@ -189,7 +193,7 @@ func Test_variableSubstitutionPathNotExist(t *testing.T) {
 		jsonContext: ctx,
 		newResource: *resourceUnstructured,
 	}
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, nil)
 	assert.Equal(t, len(er.PolicyResponse.Rules), 1)
 	assert.Assert(t, strings.Contains(er.PolicyResponse.Rules[0].Message, "Unknown key \"name1\" in path"))
 }
@@ -252,20 +256,6 @@ func Test_variableSubstitutionCLI(t *testing.T) {
 
 	expectedPatch := []byte(`{"op":"add","path":"/metadata/labels","value":{"my-environment-name":"dev1"}}`)
 
-	store.SetPolicies(
-		store.Policy{
-			Name: "cm-variable-example",
-			Rules: []store.Rule{
-				{
-					Name: "example-configmap-lookup",
-					Values: map[string]interface{}{
-						"dictionary.data.env": "dev1",
-					},
-				},
-			},
-		},
-	)
-	store.SetMock(true)
 	var policy kyverno.ClusterPolicy
 	err := json.Unmarshal(policyRaw, &policy)
 	assert.NilError(t, err)
@@ -282,7 +272,26 @@ func Test_variableSubstitutionCLI(t *testing.T) {
 		newResource: *resourceUnstructured,
 	}
 
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(
+		context.TODO(),
+		nil,
+		registryclient.NewOrDie(),
+		policyContext,
+		enginetest.ContextLoaderFactory(
+			nil,
+			map[string]enginetest.Policy{
+				"cm-variable-example": {
+					Rules: map[string]enginetest.Rule{
+						"example-configmap-lookup": {
+							Values: map[string]interface{}{
+								"dictionary.data.env": "dev1",
+							},
+						},
+					},
+				},
+			},
+		),
+	)
 	assert.Equal(t, len(er.PolicyResponse.Rules), 1)
 	assert.Equal(t, len(er.PolicyResponse.Rules[0].Patches), 1)
 	t.Log(string(expectedPatch))
@@ -391,7 +400,7 @@ func Test_chained_rules(t *testing.T) {
 	err = enginecontext.MutateResourceWithImageInfo(resourceRaw, ctx)
 	assert.NilError(t, err)
 
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, nil)
 	containers, _, err := unstructured.NestedSlice(er.PatchedResource.Object, "spec", "containers")
 	assert.NilError(t, err)
 	assert.Equal(t, containers[0].(map[string]interface{})["image"], "otherregistry.corp.com/foo/bash:5.0")
@@ -462,7 +471,6 @@ func Test_precondition(t *testing.T) {
 }`)
 	expectedPatch := []byte(`{"op":"add","path":"/metadata/labels/my-added-label","value":"test"}`)
 
-	store.SetMock(true)
 	var policy kyverno.ClusterPolicy
 	err := json.Unmarshal(policyRaw, &policy)
 	assert.NilError(t, err)
@@ -479,7 +487,7 @@ func Test_precondition(t *testing.T) {
 		newResource: *resourceUnstructured,
 	}
 
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, enginetest.ContextLoaderFactory(nil, nil))
 	t.Log(string(expectedPatch))
 	t.Log(string(er.PolicyResponse.Rules[0].Patches[0]))
 	if !reflect.DeepEqual(expectedPatch, er.PolicyResponse.Rules[0].Patches[0]) {
@@ -559,7 +567,6 @@ func Test_nonZeroIndexNumberPatchesJson6902(t *testing.T) {
 
 	expectedPatch := []byte(`{"op":"add","path":"/subsets/0/addresses/1","value":{"ip":"192.168.42.172"}}`)
 
-	store.SetMock(true)
 	var policy kyverno.ClusterPolicy
 	err := json.Unmarshal(policyraw, &policy)
 	assert.NilError(t, err)
@@ -576,7 +583,7 @@ func Test_nonZeroIndexNumberPatchesJson6902(t *testing.T) {
 		newResource: *resourceUnstructured,
 	}
 
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, enginetest.ContextLoaderFactory(nil, nil))
 	t.Log(string(expectedPatch))
 	t.Log(string(er.PolicyResponse.Rules[0].Patches[0]))
 	if !reflect.DeepEqual(expectedPatch, er.PolicyResponse.Rules[0].Patches[0]) {
@@ -670,7 +677,7 @@ func Test_foreach(t *testing.T) {
 	err = enginecontext.MutateResourceWithImageInfo(resourceRaw, ctx)
 	assert.NilError(t, err)
 
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, nil)
 
 	assert.Equal(t, len(er.PolicyResponse.Rules), 1)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Status, engineapi.RuleStatusPass)
@@ -777,7 +784,7 @@ func Test_foreach_element_mutation(t *testing.T) {
 	err = enginecontext.MutateResourceWithImageInfo(resourceRaw, ctx)
 	assert.NilError(t, err)
 
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, nil)
 
 	assert.Equal(t, len(er.PolicyResponse.Rules), 1)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Status, engineapi.RuleStatusPass)
@@ -903,7 +910,7 @@ func Test_Container_InitContainer_foreach(t *testing.T) {
 	err = enginecontext.MutateResourceWithImageInfo(resourceRaw, ctx)
 	assert.NilError(t, err)
 
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, nil)
 
 	assert.Equal(t, len(er.PolicyResponse.Rules), 1)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Status, engineapi.RuleStatusPass)
@@ -1053,7 +1060,7 @@ func testApplyPolicyToResource(t *testing.T, policyRaw, resourceRaw []byte) *eng
 	err = enginecontext.MutateResourceWithImageInfo(resourceRaw, ctx)
 	assert.NilError(t, err)
 
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, nil)
 	return er
 }
 
@@ -1603,7 +1610,7 @@ func Test_mutate_existing_resources(t *testing.T) {
 				newResource: *trigger,
 			}
 
-			er := testMutate(context.TODO(), dclient, registryclient.NewOrDie(), policyContext)
+			er := testMutate(context.TODO(), dclient, registryclient.NewOrDie(), policyContext, nil)
 
 			for _, rr := range er.PolicyResponse.Rules {
 				for i, p := range rr.Patches {
@@ -1712,7 +1719,7 @@ func Test_RuleSelectorMutate(t *testing.T) {
 		newResource: *resourceUnstructured,
 	}
 
-	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, nil)
 	assert.Equal(t, len(er.PolicyResponse.Rules), 2)
 	assert.Equal(t, len(er.PolicyResponse.Rules[0].Patches), 1)
 	assert.Equal(t, len(er.PolicyResponse.Rules[1].Patches), 1)
@@ -1727,7 +1734,7 @@ func Test_RuleSelectorMutate(t *testing.T) {
 	applyOne := kyverno.ApplyOne
 	policyContext.policy.GetSpec().ApplyRules = &applyOne
 
-	er = testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext)
+	er = testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, nil)
 	assert.Equal(t, len(er.PolicyResponse.Rules), 1)
 	assert.Equal(t, len(er.PolicyResponse.Rules[0].Patches), 1)
 
@@ -2094,7 +2101,7 @@ func Test_SpecialCharacters(t *testing.T) {
 			}
 
 			// Mutate and make sure that we got the expected amount of rules.
-			patches := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext).GetPatches()
+			patches := testMutate(context.TODO(), nil, registryclient.NewOrDie(), policyContext, nil).GetPatches()
 			if !reflect.DeepEqual(patches, tt.want) {
 				t.Errorf("Mutate() got patches %s, expected %s", patches, tt.want)
 			}

pkg/engine/test/contextloader.go

@@ -0,0 +1,80 @@
+package test
+
+import (
+	"context"
+
+	"github.com/go-logr/logr"
+	kyvernov1 "github.com/kyverno/kyverno/api/kyverno/v1"
+	"github.com/kyverno/kyverno/pkg/clients/dclient"
+	engineapi "github.com/kyverno/kyverno/pkg/engine/api"
+	enginecontext "github.com/kyverno/kyverno/pkg/engine/context"
+	"github.com/kyverno/kyverno/pkg/logging"
+	"github.com/kyverno/kyverno/pkg/registryclient"
+)
+
+type Policy struct {
+	Rules map[string]Rule
+}
+
+type Rule struct {
+	Values map[string]interface{}
+}
+
+func ContextLoaderFactory(
+	cmResolver engineapi.ConfigmapResolver,
+	values map[string]Policy,
+) engineapi.ContextLoaderFactory {
+	return func(policy kyvernov1.PolicyInterface, rule kyvernov1.Rule) engineapi.ContextLoader {
+		return &mockContextLoader{
+			logger:     logging.WithName("MockContextLoaderFactory"),
+			policyName: policy.GetName(),
+			ruleName:   rule.Name,
+			values:     values,
+		}
+	}
+}
+
+type mockContextLoader struct {
+	logger       logr.Logger
+	policyName   string
+	ruleName     string
+	values       map[string]Policy
+	allowApiCall bool
+}
+
+func (l *mockContextLoader) Load(
+	ctx context.Context,
+	client dclient.Interface,
+	rclient registryclient.Client,
+	contextEntries []kyvernov1.ContextEntry,
+	jsonContext enginecontext.Interface,
+) error {
+	if l.values != nil {
+		policy := l.values[l.policyName]
+		if policy.Rules != nil {
+			rule := policy.Rules[l.ruleName]
+			for key, value := range rule.Values {
+				if err := jsonContext.AddVariable(key, value); err != nil {
+					return err
+				}
+			}
+		}
+	}
+	// Context Variable should be loaded after the values loaded from values file
+	for _, entry := range contextEntries {
+		if entry.ImageRegistry != nil && rclient != nil {
+			if err := engineapi.LoadImageData(ctx, rclient, l.logger, entry, jsonContext); err != nil {
+				return err
+			}
+		} else if entry.Variable != nil {
+			if err := engineapi.LoadVariable(l.logger, entry, jsonContext); err != nil {
+				return err
+			}
+		} else if entry.APICall != nil && l.allowApiCall {
+			if err := engineapi.LoadAPIData(ctx, l.logger, entry, jsonContext, client); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}

pkg/engine/utils.go

@@ -8,7 +8,6 @@ import (
 
 	kyvernov1 "github.com/kyverno/kyverno/api/kyverno/v1"
 	kyvernov1beta1 "github.com/kyverno/kyverno/api/kyverno/v1beta1"
-	"github.com/kyverno/kyverno/cmd/cli/kubectl-kyverno/utils/store"
 	"github.com/kyverno/kyverno/pkg/engine/context"
 	datautils "github.com/kyverno/kyverno/pkg/utils/data"
 	matchutils "github.com/kyverno/kyverno/pkg/utils/match"
@@ -155,24 +154,7 @@ func doesResourceMatchConditionBlock(subresourceGVKToAPIResource map[string]*met
 
 // matchSubjects return true if one of ruleSubjects exist in userInfo
 func matchSubjects(ruleSubjects []rbacv1.Subject, userInfo authenticationv1.UserInfo, dynamicConfig []string) bool {
-	if store.IsMock() {
-		mockSubject := store.GetSubject()
-		for _, subject := range ruleSubjects {
-			switch subject.Kind {
-			case "ServiceAccount":
-				if subject.Name == mockSubject.Name && subject.Namespace == mockSubject.Namespace {
-					return true
-				}
-			case "User", "Group":
-				if mockSubject.Name == subject.Name {
-					return true
-				}
-			}
-		}
-		return false
-	} else {
 	return matchutils.CheckSubjects(ruleSubjects, userInfo, dynamicConfig)
-	}
 }
 
 // MatchesResourceDescription checks if the resource matches resource description of the rule or not

pkg/engine/validation_test.go

@@ -8,10 +8,10 @@ import (
 
 	kyverno "github.com/kyverno/kyverno/api/kyverno/v1"
 	urkyverno "github.com/kyverno/kyverno/api/kyverno/v1beta1"
-	"github.com/kyverno/kyverno/cmd/cli/kubectl-kyverno/utils/store"
 	"github.com/kyverno/kyverno/pkg/config"
 	engineapi "github.com/kyverno/kyverno/pkg/engine/api"
 	enginecontext "github.com/kyverno/kyverno/pkg/engine/context"
+	enginetest "github.com/kyverno/kyverno/pkg/engine/test"
 	"github.com/kyverno/kyverno/pkg/registryclient"
 	admissionutils "github.com/kyverno/kyverno/pkg/utils/admission"
 	kubeutils "github.com/kyverno/kyverno/pkg/utils/kube"
@@ -19,12 +19,21 @@ import (
 	admissionv1 "k8s.io/api/admission/v1"
 )
 
-func testValidate(ctx context.Context, rclient registryclient.Client, pContext *PolicyContext, cfg config.Configuration) *engineapi.EngineResponse {
+func testValidate(
+	ctx context.Context,
+	rclient registryclient.Client,
+	pContext *PolicyContext,
+	cfg config.Configuration,
+	contextLoader engineapi.ContextLoaderFactory,
+) *engineapi.EngineResponse {
+	if contextLoader == nil {
+		contextLoader = engineapi.DefaultContextLoaderFactory(nil)
+	}
 	e := NewEngine(
 		cfg,
 		nil,
 		rclient,
-		LegacyContextLoaderFactory(nil),
+		contextLoader,
 		nil,
 	)
 	return e.Validate(
@@ -126,7 +135,7 @@ func TestValidate_image_tag_fail(t *testing.T) {
 		"validation error: imagePullPolicy 'Always' required with tag 'latest'. rule validate-latest failed at path /spec/containers/0/imagePullPolicy/",
 	}
 
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	for index, r := range er.PolicyResponse.Rules {
 		assert.Equal(t, r.Message, msgs[index])
 	}
@@ -226,7 +235,7 @@ func TestValidate_image_tag_pass(t *testing.T) {
 		"validation rule 'validate-tag' passed.",
 		"validation rule 'validate-latest' passed.",
 	}
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	for index, r := range er.PolicyResponse.Rules {
 		assert.Equal(t, r.Message, msgs[index])
 	}
@@ -300,7 +309,7 @@ func TestValidate_Fail_anyPattern(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	assert.Assert(t, !er.IsSuccessful())
 
 	msgs := []string{"validation error: A namespace is required. rule check-default-namespace[0] failed at path /metadata/namespace/ rule check-default-namespace[1] failed at path /metadata/namespace/"}
@@ -383,7 +392,7 @@ func TestValidate_host_network_port(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation error: Host network and port are not allowed. rule validate-host-network-port failed at path /spec/containers/0/ports/0/hostPort/"}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -473,7 +482,7 @@ func TestValidate_anchor_arraymap_pass(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation rule 'validate-host-path' passed."}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -561,7 +570,7 @@ func TestValidate_anchor_arraymap_fail(t *testing.T) {
 	assert.NilError(t, err)
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation error: Host path '/var/lib/' is not allowed. rule validate-host-path failed at path /spec/volumes/0/hostPath/path/"}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -631,7 +640,7 @@ func TestValidate_anchor_map_notfound(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation rule 'pod rule 2' passed."}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -704,7 +713,7 @@ func TestValidate_anchor_map_found_valid(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation rule 'pod rule 2' passed."}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -778,7 +787,7 @@ func TestValidate_inequality_List_Processing(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation rule 'pod rule 2' passed."}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -858,7 +867,7 @@ func TestValidate_inequality_List_ProcessingBrackets(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation rule 'pod rule 2' passed."}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -932,7 +941,7 @@ func TestValidate_anchor_map_found_invalid(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation error: pod: validate run as non root user. rule pod rule 2 failed at path /spec/securityContext/runAsNonRoot/"}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -1007,7 +1016,7 @@ func TestValidate_AnchorList_pass(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation rule 'pod image rule' passed."}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -1082,7 +1091,7 @@ func TestValidate_AnchorList_fail(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	assert.Assert(t, !er.IsSuccessful())
 }
 
@@ -1152,7 +1161,7 @@ func TestValidate_existenceAnchor_fail(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	assert.Assert(t, !er.IsSuccessful())
 }
 
@@ -1222,7 +1231,7 @@ func TestValidate_existenceAnchor_pass(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation rule 'pod image rule' passed."}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -1310,7 +1319,7 @@ func TestValidate_negationAnchor_deny(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation error: Host path is not allowed. rule validate-host-path failed at path /spec/volumes/0/hostPath/"}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -1397,7 +1406,7 @@ func TestValidate_negationAnchor_pass(t *testing.T) {
 
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(rawResource)
 	assert.NilError(t, err)
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 	msgs := []string{"validation rule 'validate-host-path' passed."}
 
 	for index, r := range er.PolicyResponse.Rules {
@@ -1474,7 +1483,7 @@ func Test_VariableSubstitutionPathNotExistInPattern(t *testing.T) {
 		jsonContext: ctx,
 		newResource: *resourceUnstructured,
 	}
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg, nil)
 
 	assert.Equal(t, len(er.PolicyResponse.Rules), 1)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Status, engineapi.RuleStatusError)
@@ -1568,7 +1577,7 @@ func Test_VariableSubstitutionPathNotExistInAnyPattern_OnePatternStatisfiesButSu
 		jsonContext: ctx,
 		newResource: *resourceUnstructured,
 	}
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg, nil)
 
 	assert.Equal(t, len(er.PolicyResponse.Rules), 1)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Status, engineapi.RuleStatusError)
@@ -1630,7 +1639,7 @@ func Test_VariableSubstitution_NotOperatorWithStringVariable(t *testing.T) {
 		jsonContext: ctx,
 		newResource: *resourceUnstructured,
 	}
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg, nil)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Status, engineapi.RuleStatusFail)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Message, "validation error: rule not-operator-with-variable-should-alway-fail-validation failed at path /spec/content/")
 }
@@ -1722,7 +1731,7 @@ func Test_VariableSubstitutionPathNotExistInAnyPattern_AllPathNotPresent(t *test
 		jsonContext: ctx,
 		newResource: *resourceUnstructured,
 	}
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg, nil)
 
 	assert.Equal(t, len(er.PolicyResponse.Rules), 1)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Status, engineapi.RuleStatusError)
@@ -1816,7 +1825,7 @@ func Test_VariableSubstitutionPathNotExistInAnyPattern_AllPathPresent_NonePatter
 		jsonContext: ctx,
 		newResource: *resourceUnstructured,
 	}
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg, nil)
 
 	assert.Equal(t, er.PolicyResponse.Rules[0].Status, engineapi.RuleStatusFail)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Message,
@@ -1922,7 +1931,7 @@ func Test_VariableSubstitutionValidate_VariablesInMessageAreResolved(t *testing.
 		jsonContext: ctx,
 		newResource: *resourceUnstructured,
 	}
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg, nil)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Status, engineapi.RuleStatusFail)
 	assert.Equal(t, er.PolicyResponse.Rules[0].Message, "The animal cow is not in the allowed list of animals.")
 }
@@ -1976,7 +1985,7 @@ func Test_Flux_Kustomization_PathNotPresent(t *testing.T) {
 			jsonContext: ctx,
 			newResource: *resourceUnstructured,
 		}
-		er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg)
+		er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg, nil)
 
 		for i, rule := range er.PolicyResponse.Rules {
 			assert.Equal(t, er.PolicyResponse.Rules[i].Status, test.expectedResults[i], "\ntest %s failed\nexpected: %s\nactual: %s", test.name, test.expectedResults[i], er.PolicyResponse.Rules[i].Status)
@@ -2142,7 +2151,7 @@ func executeTest(t *testing.T, test testCase) {
 		jsonContext:   ctx,
 	}
 
-	resp := testValidate(context.TODO(), registryclient.NewOrDie(), pc, cfg)
+	resp := testValidate(context.TODO(), registryclient.NewOrDie(), pc, cfg, nil)
 	if resp.IsSuccessful() && test.requestDenied {
 		t.Errorf("Testcase has failed, policy: %v", policy.Name)
 	}
@@ -2213,21 +2222,6 @@ func TestValidate_context_variable_substitution_CLI(t *testing.T) {
 	  }
 	`)
 
-	store.SetPolicies(
-		store.Policy{
-			Name: "restrict-pod-count",
-			Rules: []store.Rule{
-				{
-					Name: "restrict-pod-count",
-					Values: map[string]interface{}{
-						"podcounts": "12",
-					},
-				},
-			},
-		},
-	)
-	store.SetMock(true)
-
 	var policy kyverno.ClusterPolicy
 	err := json.Unmarshal(rawPolicy, &policy)
 	assert.NilError(t, err)
@@ -2237,7 +2231,26 @@ func TestValidate_context_variable_substitution_CLI(t *testing.T) {
 	msgs := []string{
 		"restrict pod counts to be no more than 10 on node minikube",
 	}
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+	er := testValidate(
+		context.TODO(),
+		registryclient.NewOrDie(),
+		&PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()},
+		cfg,
+		enginetest.ContextLoaderFactory(
+			nil,
+			map[string]enginetest.Policy{
+				"restrict-pod-count": {
+					Rules: map[string]enginetest.Rule{
+						"restrict-pod-count": {
+							Values: map[string]interface{}{
+								"podcounts": "12",
+							},
+						},
+					},
+				},
+			},
+		),
+	)
 	for index, r := range er.PolicyResponse.Rules {
 		assert.Equal(t, r.Message, msgs[index])
 	}
@@ -2326,7 +2339,7 @@ func Test_EmptyStringInDenyCondition(t *testing.T) {
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(resourceRaw)
 	assert.NilError(t, err)
 
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: ctx}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: ctx}, cfg, nil)
 	assert.Assert(t, !er.IsSuccessful())
 }
 
@@ -2415,7 +2428,7 @@ func Test_StringInDenyCondition(t *testing.T) {
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(resourceRaw)
 	assert.NilError(t, err)
 
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: ctx}, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: ctx}, cfg, nil)
 	assert.Assert(t, er.IsSuccessful())
 }
 
@@ -2464,7 +2477,7 @@ func Test_foreach_container_pass(t *testing.T) {
 		}
 	  }`)
 
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusPass)
+	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusPass, nil)
 }
 
 func Test_foreach_container_fail(t *testing.T) {
@@ -2500,7 +2513,7 @@ func Test_foreach_container_fail(t *testing.T) {
 				]
 			}}]}}`)
 
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusFail)
+	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusFail, nil)
 }
 
 func Test_foreach_container_deny_fail(t *testing.T) {
@@ -2554,7 +2567,7 @@ func Test_foreach_container_deny_fail(t *testing.T) {
 		}
 	  }`)
 
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusFail)
+	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusFail, nil)
 }
 
 func Test_foreach_container_deny_success(t *testing.T) {
@@ -2596,7 +2609,7 @@ func Test_foreach_container_deny_success(t *testing.T) {
 				]
 			}}]}}`)
 
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusFail)
+	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusFail, nil)
 }
 
 func Test_foreach_container_deny_error(t *testing.T) {
@@ -2650,7 +2663,7 @@ func Test_foreach_container_deny_error(t *testing.T) {
 		}
 	  }`)
 
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusError)
+	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusError, nil)
 }
 
 func Test_foreach_context_preconditions(t *testing.T) {
@@ -2723,12 +2736,18 @@ func Test_foreach_context_preconditions(t *testing.T) {
 		}
 	  }`)
 
-	store.SetPolicies(
+	testForEach(
-		store.Policy{
+		t,
-			Name: "test",
+		policyraw,
-			Rules: []store.Rule{
+		resourceRaw,
-				{
+		"",
-					Name: "test",
+		engineapi.RuleStatusPass,
+		enginetest.ContextLoaderFactory(
+			nil,
+			map[string]enginetest.Policy{
+				"test": {
+					Rules: map[string]enginetest.Rule{
+						"test": {
 							Values: map[string]interface{}{
 								"img.data.podvalid":   "nginx/nginx:v1",
 								"img.data.podinvalid": "nginx/nginx:v2",
@@ -2736,10 +2755,9 @@ func Test_foreach_context_preconditions(t *testing.T) {
 						},
 					},
 				},
+			},
+		),
 	)
-	store.SetMock(true)
-
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusPass)
 }
 
 func Test_foreach_context_preconditions_fail(t *testing.T) {
@@ -2813,12 +2831,18 @@ func Test_foreach_context_preconditions_fail(t *testing.T) {
 		}
 	  }`)
 
-	store.SetPolicies(
+	testForEach(
-		store.Policy{
+		t,
-			Name: "test",
+		policyraw,
-			Rules: []store.Rule{
+		resourceRaw,
-				{
+		"",
-					Name: "test",
+		engineapi.RuleStatusFail,
+		enginetest.ContextLoaderFactory(
+			nil,
+			map[string]enginetest.Policy{
+				"test": {
+					Rules: map[string]enginetest.Rule{
+						"test": {
 							Values: map[string]interface{}{
 								"img.data.podvalid":   "nginx/nginx:v1",
 								"img.data.podinvalid": "nginx/nginx:v1",
@@ -2826,10 +2850,9 @@ func Test_foreach_context_preconditions_fail(t *testing.T) {
 						},
 					},
 				},
+			},
+		),
 	)
-	store.SetMock(true)
-
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusFail)
 }
 
 func Test_foreach_element_validation(t *testing.T) {
@@ -2876,7 +2899,7 @@ func Test_foreach_element_validation(t *testing.T) {
 				]
 			}}]}}`)
 
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusPass)
+	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusPass, nil)
 }
 
 func Test_outof_foreach_element_validation(t *testing.T) {
@@ -2918,7 +2941,7 @@ func Test_outof_foreach_element_validation(t *testing.T) {
 				}
 			}}]}}`)
 
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusError)
+	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusError, nil)
 }
 
 func Test_foreach_skip_initContainer_pass(t *testing.T) {
@@ -2972,7 +2995,7 @@ func Test_foreach_skip_initContainer_pass(t *testing.T) {
 		}
 	  }`)
 
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusPass)
+	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusPass, nil)
 }
 
 func Test_foreach_validate_nested(t *testing.T) {
@@ -3068,10 +3091,10 @@ func Test_foreach_validate_nested(t *testing.T) {
 		}
 	  }`)
 
-	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusPass)
+	testForEach(t, policyraw, resourceRaw, "", engineapi.RuleStatusPass, nil)
 }
 
-func testForEach(t *testing.T, policyraw []byte, resourceRaw []byte, msg string, status engineapi.RuleStatus) {
+func testForEach(t *testing.T, policyraw []byte, resourceRaw []byte, msg string, status engineapi.RuleStatus, contextLoader engineapi.ContextLoaderFactory) {
 	var policy kyverno.ClusterPolicy
 	assert.NilError(t, json.Unmarshal(policyraw, &policy))
 	resourceUnstructured, err := kubeutils.BytesToUnstructured(resourceRaw)
@@ -3086,7 +3109,7 @@ func testForEach(t *testing.T, policyraw []byte, resourceRaw []byte, msg string,
 		jsonContext: ctx,
 		newResource: *resourceUnstructured,
 	}
-	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg)
+	er := testValidate(context.TODO(), registryclient.NewOrDie(), policyContext, cfg, contextLoader)
 
 	assert.Equal(t, er.PolicyResponse.Rules[0].Status, status)
 	if msg != "" {
@@ -3150,7 +3173,7 @@ func Test_delete_ignore_pattern(t *testing.T) {
 		jsonContext: ctx,
 		newResource: *resourceUnstructured,
 	}
-	engineResponseCreate := testValidate(context.TODO(), registryclient.NewOrDie(), policyContextCreate, cfg)
+	engineResponseCreate := testValidate(context.TODO(), registryclient.NewOrDie(), policyContextCreate, cfg, nil)
 	assert.Equal(t, len(engineResponseCreate.PolicyResponse.Rules), 1)
 	assert.Equal(t, engineResponseCreate.PolicyResponse.Rules[0].Status, engineapi.RuleStatusFail)
 
@@ -3159,7 +3182,7 @@ func Test_delete_ignore_pattern(t *testing.T) {
 		jsonContext: ctx,
 		oldResource: *resourceUnstructured,
 	}
-	engineResponseDelete := testValidate(context.TODO(), registryclient.NewOrDie(), policyContextDelete, cfg)
+	engineResponseDelete := testValidate(context.TODO(), registryclient.NewOrDie(), policyContextDelete, cfg, nil)
 	assert.Equal(t, len(engineResponseDelete.PolicyResponse.Rules), 0)
 }
 
@@ -3218,7 +3241,7 @@ func Test_ValidatePattern_anyPattern(t *testing.T) {
 			resourceUnstructured, err := kubeutils.BytesToUnstructured(tc.rawResource)
 			assert.NilError(t, err)
 
-			er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg)
+			er := testValidate(context.TODO(), registryclient.NewOrDie(), &PolicyContext{policy: &policy, newResource: *resourceUnstructured, jsonContext: enginecontext.NewContext()}, cfg, nil)
 			if tc.expectedFailed {
 				assert.Assert(t, er.IsFailed())
 			} else if tc.expectedSkipped {

pkg/testrunner/scenario.go

@@ -150,7 +150,7 @@ func runTestCase(t *testing.T, tc TestCase) bool {
 		config.NewDefaultConfiguration(),
 		nil,
 		registryclient.NewOrDie(),
-		engine.LegacyContextLoaderFactory(nil),
+		engineapi.DefaultContextLoaderFactory(nil),
 		nil,
 	)
 	er := eng.Mutate(

pkg/webhooks/resource/fake.go

@@ -8,6 +8,7 @@ import (
 	"github.com/kyverno/kyverno/pkg/clients/dclient"
 	"github.com/kyverno/kyverno/pkg/config"
 	"github.com/kyverno/kyverno/pkg/engine"
+	engineapi "github.com/kyverno/kyverno/pkg/engine/api"
 	"github.com/kyverno/kyverno/pkg/engine/context/resolvers"
 	"github.com/kyverno/kyverno/pkg/event"
 	"github.com/kyverno/kyverno/pkg/metrics"
@@ -60,7 +61,7 @@ func NewFakeHandlers(ctx context.Context, policyCache policycache.Cache) webhook
 			configuration,
 			dclient,
 			rclient,
-			engine.LegacyContextLoaderFactory(configMapResolver),
+			engineapi.DefaultContextLoaderFactory(configMapResolver),
 			peLister,
 		),
 	}

pkg/webhooks/resource/validation_test.go

@@ -1053,7 +1053,7 @@ func TestValidate_failure_action_overrides(t *testing.T) {
 		config.NewDefaultConfiguration(),
 		nil,
 		registryclient.NewOrDie(),
-		engine.LegacyContextLoaderFactory(nil),
+		engineapi.DefaultContextLoaderFactory(nil),
 		nil,
 	)
 	for i, tc := range testcases {
@@ -1132,7 +1132,7 @@ func Test_RuleSelector(t *testing.T) {
 		config.NewDefaultConfiguration(),
 		nil,
 		registryclient.NewOrDie(),
-		engine.LegacyContextLoaderFactory(nil),
+		engineapi.DefaultContextLoaderFactory(nil),
 		nil,
 	)
 	resp := eng.Validate(