refactor: api machinary

api/v1alpha1/dnspolicy_types.go

@@ -26,7 +26,7 @@ import (
 
 	kuadrantdnsv1alpha1 "github.com/kuadrant/dns-operator/api/v1alpha1"
 
-	"github.com/kuadrant/kuadrant-operator/pkg/common"
+	"github.com/kuadrant/kuadrant-operator/pkg/library/utils"
 )
 
 type RoutingStrategy string
@@ -38,6 +38,9 @@ const (
 	DefaultWeight Weight  = 120
 	DefaultGeo    GeoCode = "default"
 	WildcardGeo   GeoCode = "*"
+
+	DNSPolicyBackReferenceAnnotationName   = "kuadrant.io/dnspolicies"
+	DNSPolicyDirectReferenceAnnotationName = "kuadrant.io/dnspolicy"
 )
 
 // DNSPolicySpec defines the desired state of DNSPolicy
@@ -126,7 +129,8 @@ type DNSPolicyStatus struct {
 	HealthCheck *HealthCheckStatus `json:"healthCheck,omitempty"`
 }
 
-var _ common.KuadrantPolicy = &DNSPolicy{}
+var _ utils.KuadrantPolicy = &DNSPolicy{}
+var _ utils.Referrer = &DNSPolicy{}
 
 // +kubebuilder:object:root=true
 // +kubebuilder:subresource:status
@@ -159,6 +163,14 @@ func (p *DNSPolicy) GetTargetRef() gatewayapiv1alpha2.PolicyTargetReference {
 
 func (p *DNSPolicy) Kind() string { return p.TypeMeta.Kind }
 
+func (p *DNSPolicy) BackReferenceAnnotationName() string {
+	return DNSPolicyBackReferenceAnnotationName
+}
+
+func (p *DNSPolicy) DirectReferenceAnnotationName() string {
+	return DNSPolicyDirectReferenceAnnotationName
+}
+
 // Validate ensures the resource is valid. Compatible with the validating interface
 // used by webhooks
 func (p *DNSPolicy) Validate() error {

api/v1alpha1/tlspolicy_types.go

@@ -25,7 +25,12 @@ import (
 	gatewayapiv1 "sigs.k8s.io/gateway-api/apis/v1"
 	gatewayapiv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2"
 
-	"github.com/kuadrant/kuadrant-operator/pkg/common"
+	"github.com/kuadrant/kuadrant-operator/pkg/library/utils"
+)
+
+const (
+	TLSPolicyBackReferenceAnnotationName   = "kuadrant.io/tlspolicies"
+	TLSPolicyDirectReferenceAnnotationName = "kuadrant.io/tlspolicy"
 )
 
 // TLSPolicySpec defines the desired state of TLSPolicy
@@ -111,7 +116,8 @@ type TLSPolicyStatus struct {
 	ObservedGeneration int64 `json:"observedGeneration,omitempty"`
 }
 
-var _ common.KuadrantPolicy = &TLSPolicy{}
+var _ utils.KuadrantPolicy = &TLSPolicy{}
+var _ utils.Referrer = &TLSPolicy{}
 
 // +kubebuilder:object:root=true
 // +kubebuilder:subresource:status
@@ -144,6 +150,14 @@ func (p *TLSPolicy) GetTargetRef() gatewayapiv1alpha2.PolicyTargetReference {
 	return p.Spec.TargetRef
 }
 
+func (p *TLSPolicy) BackReferenceAnnotationName() string {
+	return TLSPolicyBackReferenceAnnotationName
+}
+
+func (p *TLSPolicy) DirectReferenceAnnotationName() string {
+	return TLSPolicyDirectReferenceAnnotationName
+}
+
 func (p *TLSPolicy) Validate() error {
 	if p.Spec.TargetRef.Group != (gatewayapiv1.GroupName) {
 		return fmt.Errorf("invalid targetRef.Group %s. The only supported group is %s", p.Spec.TargetRef.Group, gatewayapiv1.GroupName)

api/v1beta1/kuadrant_types.go

@@ -23,7 +23,7 @@ import (
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
-	"github.com/kuadrant/kuadrant-operator/pkg/common"
+	"github.com/kuadrant/kuadrant-operator/pkg/library/utils"
 )
 
 // EDIT THIS FILE!  THIS IS SCAFFOLDING FOR YOU TO OWN!
@@ -76,8 +76,8 @@ func (r *KuadrantStatus) Equals(other *KuadrantStatus, logger logr.Logger) bool
 	}
 
 	// Marshalling sorts by condition type
-	currentMarshaledJSON, _ := common.ConditionMarshal(r.Conditions)
-	otherMarshaledJSON, _ := common.ConditionMarshal(other.Conditions)
+	currentMarshaledJSON, _ := utils.ConditionMarshal(r.Conditions)
+	otherMarshaledJSON, _ := utils.ConditionMarshal(other.Conditions)
 	if string(currentMarshaledJSON) != string(otherMarshaledJSON) {
 		diff := cmp.Diff(string(currentMarshaledJSON), string(otherMarshaledJSON))
 		logger.V(1).Info("Conditions not equal", "difference", diff)

api/v1beta2/authpolicy_types.go

@@ -5,13 +5,18 @@ import (
 
 	"github.com/go-logr/logr"
 	"github.com/google/go-cmp/cmp"
+	authorinoapi "github.com/kuadrant/authorino/api/v1beta2"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	gatewayapiv1 "sigs.k8s.io/gateway-api/apis/v1"
 	gatewayapiv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2"
 
-	authorinoapi "github.com/kuadrant/authorino/api/v1beta2"
-	"github.com/kuadrant/kuadrant-operator/pkg/common"
+	"github.com/kuadrant/kuadrant-operator/pkg/library/utils"
+)
+
+const (
+	AuthPolicyBackReferenceAnnotationName   = "kuadrant.io/authpolicies"
+	AuthPolicyDirectReferenceAnnotationName = "kuadrant.io/authpolicy"
 )
 
 type AuthSchemeSpec struct {
@@ -186,8 +191,8 @@ func (s *AuthPolicyStatus) Equals(other *AuthPolicyStatus, logger logr.Logger) b
 	}
 
 	// Marshalling sorts by condition type
-	currentMarshaledJSON, _ := common.ConditionMarshal(s.Conditions)
-	otherMarshaledJSON, _ := common.ConditionMarshal(other.Conditions)
+	currentMarshaledJSON, _ := utils.ConditionMarshal(s.Conditions)
+	otherMarshaledJSON, _ := utils.ConditionMarshal(other.Conditions)
 	if string(currentMarshaledJSON) != string(otherMarshaledJSON) {
 		diff := cmp.Diff(string(currentMarshaledJSON), string(otherMarshaledJSON))
 		logger.V(1).Info("Conditions not equal", "difference", diff)
@@ -197,7 +202,8 @@ func (s *AuthPolicyStatus) Equals(other *AuthPolicyStatus, logger logr.Logger) b
 	return true
 }
 
-var _ common.KuadrantPolicy = &AuthPolicy{}
+var _ utils.KuadrantPolicy = &AuthPolicy{}
+var _ utils.Referrer = &AuthPolicy{}
 
 // +kubebuilder:object:root=true
 // +kubebuilder:subresource:status
@@ -251,7 +257,7 @@ func (ap *AuthPolicy) GetRulesHostnames() (ruleHosts []string) {
 
 	appendRuleHosts := func(obj RouteSelectorsGetter) {
 		for _, routeSelector := range obj.GetRouteSelectors() {
-			ruleHosts = append(ruleHosts, common.HostnamesToStrings(routeSelector.Hostnames)...)
+			ruleHosts = append(ruleHosts, utils.HostnamesToStrings(routeSelector.Hostnames)...)
 		}
 	}
 
@@ -284,6 +290,14 @@ func (ap *AuthPolicy) Kind() string {
 	return ap.TypeMeta.Kind
 }
 
+func (ap *AuthPolicy) BackReferenceAnnotationName() string {
+	return AuthPolicyBackReferenceAnnotationName
+}
+
+func (ap *AuthPolicy) DirectReferenceAnnotationName() string {
+	return AuthPolicyDirectReferenceAnnotationName
+}
+
 //+kubebuilder:object:root=true
 
 // AuthPolicyList contains a list of AuthPolicy
@@ -293,8 +307,8 @@ type AuthPolicyList struct {
 	Items           []AuthPolicy `json:"items"`
 }
 
-func (l *AuthPolicyList) GetItems() []common.KuadrantPolicy {
-	return common.Map(l.Items, func(item AuthPolicy) common.KuadrantPolicy {
+func (l *AuthPolicyList) GetItems() []utils.KuadrantPolicy {
+	return utils.Map(l.Items, func(item AuthPolicy) utils.KuadrantPolicy {
 		return &item
 	})
 }

api/v1beta2/authpolicy_types_test.go

@@ -6,13 +6,13 @@ import (
 	"reflect"
 	"testing"
 
+	authorinoapi "github.com/kuadrant/authorino/api/v1beta2"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/utils/ptr"
 	gatewayapiv1 "sigs.k8s.io/gateway-api/apis/v1"
 	gatewayapiv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2"
 
-	authorinoapi "github.com/kuadrant/authorino/api/v1beta2"
-	"github.com/kuadrant/kuadrant-operator/pkg/common"
+	"github.com/kuadrant/kuadrant-operator/pkg/library/utils"
 )
 
 func TestCommonAuthRuleSpecGetRouteSelectors(t *testing.T) {
@@ -55,7 +55,7 @@ func TestAuthPolicyTargetKey(t *testing.T) {
 		},
 		Spec: AuthPolicySpec{
 			TargetRef: gatewayapiv1alpha2.PolicyTargetReference{
-				Group: "gateway.networking.k8s.io",
+				Group: gatewayapiv1.GroupName,
 				Kind:  "HTTPRoute",
 				Name:  "my-route",
 			},
@@ -86,7 +86,7 @@ func TestAuthPolicyListGetItems(t *testing.T) {
 	if len(result) != 1 {
 		t.Errorf("Expected 1 item, got %d", len(result))
 	}
-	_, ok := result[0].(common.KuadrantPolicy)
+	_, ok := result[0].(utils.KuadrantPolicy)
 	if !ok {
 		t.Errorf("Expected item to be a KuadrantPolicy")
 	}
@@ -100,7 +100,7 @@ func TestAuthPolicyGetRulesHostnames(t *testing.T) {
 		},
 		Spec: AuthPolicySpec{
 			TargetRef: gatewayapiv1alpha2.PolicyTargetReference{
-				Group: "gateway.networking.k8s.io",
+				Group: gatewayapiv1.GroupName,
 				Kind:  "HTTPRoute",
 				Name:  "my-route",
 			},
@@ -256,7 +256,7 @@ func TestAuthPolicyValidate(t *testing.T) {
 				},
 				Spec: AuthPolicySpec{
 					TargetRef: gatewayapiv1alpha2.PolicyTargetReference{
-						Group:     "gateway.networking.k8s.io",
+						Group:     gatewayapiv1.GroupName,
 						Kind:      "HTTPRoute",
 						Name:      "my-route",
 						Namespace: ptr.To(gatewayapiv1.Namespace("other-namespace")),

api/v1beta2/ratelimitpolicy_types.go

@@ -21,11 +21,12 @@
 
 	"github.com/go-logr/logr"
 	"github.com/google/go-cmp/cmp"
-	"github.com/kuadrant/kuadrant-operator/pkg/common"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	gatewayapiv1 "sigs.k8s.io/gateway-api/apis/v1"
 	gatewayapiv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2"
+
+	"github.com/kuadrant/kuadrant-operator/pkg/library/utils"
 )
 
 // EDIT THIS FILE!  THIS IS SCAFFOLDING FOR YOU TO OWN!
@@ -51,6 +52,9 @@
 	IncludeOperator    WhenConditionOperator = "incl"
 	ExcludeOperator    WhenConditionOperator = "excl"
 	MatchesOperator    WhenConditionOperator = "matches"
+
+	RateLimitPolicyBackReferenceAnnotationName   = "kuadrant.io/ratelimitpolicies"
+	RateLimitPolicyDirectReferenceAnnotationName = "kuadrant.io/ratelimitpolicy"
 )
 
 // +kubebuilder:validation:Enum:=second;minute;hour;day
@@ -110,7 +114,7 @@
 	if len(l.Counters) == 0 {
 		return nil
 	}
-	return common.Map(l.Counters, func(counter ContextSelector) string { return string(counter) })
+	return utils.Map(l.Counters, func(counter ContextSelector) string { return string(counter) })
 }
 
 // RateLimitPolicySpec defines the desired state of RateLimitPolicy
@@ -150,8 +154,8 @@
 	}
 
 	// Marshalling sorts by condition type
-	currentMarshaledJSON, _ := common.ConditionMarshal(s.Conditions)
-	otherMarshaledJSON, _ := common.ConditionMarshal(other.Conditions)
+	currentMarshaledJSON, _ := utils.ConditionMarshal(s.Conditions)
+	otherMarshaledJSON, _ := utils.ConditionMarshal(other.Conditions)
 	if string(currentMarshaledJSON) != string(otherMarshaledJSON) {
 		if logger.V(1).Enabled() {
 			diff := cmp.Diff(string(currentMarshaledJSON), string(otherMarshaledJSON))
@@ -163,7 +167,8 @@
 	return true
 }
 
-var _ common.KuadrantPolicy = &RateLimitPolicy{}
+var _ utils.KuadrantPolicy = &RateLimitPolicy{}
+var _ utils.Referrer = &RateLimitPolicy{}
 
 // +kubebuilder:object:root=true
 // +kubebuilder:subresource:status
@@ -212,8 +217,8 @@
 	Items           []RateLimitPolicy `json:"items"`
 }
 
-func (l *RateLimitPolicyList) GetItems() []common.KuadrantPolicy {
-	return common.Map(l.Items, func(item RateLimitPolicy) common.KuadrantPolicy {
+func (l *RateLimitPolicyList) GetItems() []utils.KuadrantPolicy {
+	return utils.Map(l.Items, func(item RateLimitPolicy) utils.KuadrantPolicy {
 		return &item
 	})
 }
@@ -247,6 +252,14 @@
 	return r.TypeMeta.Kind
 }
 
+func (r *RateLimitPolicy) BackReferenceAnnotationName() string {
+	return RateLimitPolicyBackReferenceAnnotationName
+}
+
+func (r *RateLimitPolicy) DirectReferenceAnnotationName() string {
+	return RateLimitPolicyDirectReferenceAnnotationName
+}
+
 func init() {
 	SchemeBuilder.Register(&RateLimitPolicy{}, &RateLimitPolicyList{})
 }

api/v1beta2/ratelimitpolicy_types_test.go

@@ -10,7 +10,7 @@ import (
 	gatewayapiv1 "sigs.k8s.io/gateway-api/apis/v1"
 	gatewayapiv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2"
 
-	"github.com/kuadrant/kuadrant-operator/pkg/common"
+	"github.com/kuadrant/kuadrant-operator/pkg/library/utils"
 )
 
 func testBuildBasicRLP(name string, kind gatewayapiv1.Kind) *RateLimitPolicy {
@@ -25,7 +25,7 @@ func testBuildBasicRLP(name string, kind gatewayapiv1.Kind) *RateLimitPolicy {
 		},
 		Spec: RateLimitPolicySpec{
 			TargetRef: gatewayapiv1alpha2.PolicyTargetReference{
-				Group: "gateway.networking.k8s.io",
+				Group: gatewayapiv1.GroupName,
 				Kind:  kind,
 				Name:  "some-name",
 			},
@@ -70,7 +70,7 @@ func TestRateLimitPolicyListGetItems(t *testing.T) {
 	if len(result) != 1 {
 		t.Errorf("Expected 1 item, got %d", len(result))
 	}
-	_, ok := result[0].(common.KuadrantPolicy)
+	_, ok := result[0].(utils.KuadrantPolicy)
 	if !ok {
 		t.Errorf("Expected item to be a KuadrantPolicy")
 	}

api/v1beta2/route_selectors.go

@@ -1,11 +1,10 @@
 package v1beta2
 
 import (
+	"github.com/elliotchance/orderedmap/v2"
 	gatewayapiv1 "sigs.k8s.io/gateway-api/apis/v1"
 
-	orderedmap "github.com/elliotchance/orderedmap/v2"
-
-	"github.com/kuadrant/kuadrant-operator/pkg/common"
+	"github.com/kuadrant/kuadrant-operator/pkg/library/utils"
 )
 
 // RouteSelector defines semantics for matching an HTTP request based on conditions
@@ -32,7 +31,7 @@ type RouteSelector struct {
 // returns nil.
 func (s *RouteSelector) SelectRules(route *gatewayapiv1.HTTPRoute) (rules []gatewayapiv1.HTTPRouteRule) {
 	rulesIndices := orderedmap.NewOrderedMap[int, gatewayapiv1.HTTPRouteRule]()
-	if len(s.Hostnames) > 0 && !common.Intersect(s.Hostnames, route.Spec.Hostnames) {
+	if len(s.Hostnames) > 0 && !utils.Intersect(s.Hostnames, route.Spec.Hostnames) {
 		return nil
 	}
 	if len(s.Matches) == 0 {
@@ -41,7 +40,7 @@ func (s *RouteSelector) SelectRules(route *gatewayapiv1.HTTPRoute) (rules []gate
 	for idx := range s.Matches {
 		routeSelectorMatch := s.Matches[idx]
 		for idx, rule := range route.Spec.Rules {
-			rs := common.HTTPRouteRuleSelector{HTTPRouteMatch: &routeSelectorMatch}
+			rs := utils.HTTPRouteRuleSelector{HTTPRouteMatch: &routeSelectorMatch}
 			if rs.Selects(rule) {
 				rulesIndices.Set(idx, rule)
 			}
@@ -59,10 +58,10 @@ func (s *RouteSelector) HostnamesForConditions(route *gatewayapiv1.HTTPRoute) []
 	hostnames := route.Spec.Hostnames
 
 	if len(s.Hostnames) > 0 {
-		hostnames = common.Intersection(s.Hostnames, hostnames)
+		hostnames = utils.Intersection(s.Hostnames, hostnames)
 	}
 
-	if common.SameElements(hostnames, route.Spec.Hostnames) {
+	if utils.SameElements(hostnames, route.Spec.Hostnames) {
 		return []gatewayapiv1.Hostname{"*"}
 	}