Add TargetType field to IngressClassParams

Author: mikutas

apis/elbv2/v1beta1/ingressclassparams_types.go

@@ -152,6 +152,10 @@ type IngressClassParamsSpec struct {
 	// Tags defines list of Tags on AWS resources provisioned for Ingresses that belong to IngressClass with this IngressClassParams.
 	Tags []Tag `json:"tags,omitempty"`
 
+	// TargetType defines the target type of target groups for all Ingresses that belong to IngressClass with this IngressClassParams.
+	// +optional
+	TargetType TargetType `json:"targetType,omitempty"`
+
 	// LoadBalancerAttributes define the custom attributes to LoadBalancers for all Ingress that that belong to IngressClass with this IngressClassParams.
 	// +optional
 	LoadBalancerAttributes []Attribute `json:"loadBalancerAttributes,omitempty"`

docs/guide/ingress/ingress_class.md

@@ -188,7 +188,7 @@ If the field is specified, LBC will ignore the `alb.ingress.kubernetes.io/inboun
 
 #### spec.certificateArn
 Cluster administrators can use the optional `certificateARN` field to specify the ARN of the certificates for all Ingresses that belong to IngressClass with this IngressClassParams.
-    
+
 If the field is specified, LBC will ignore the `alb.ingress.kubernetes.io/certificate-arn` annotation.
 
 #### spec.sslPolicy
@@ -235,6 +235,13 @@ Cluster administrators can use `tags` field to specify the custom tags for AWS r
     2. `spec.tags` in IngressClassParams will have the middle priority.
     3. `alb.ingress.kubernetes.io/tags` annotation will have the lowest priority.
 
+#### spec.targetType
+
+`targetType` is an optional setting. The available options are `instance` or `ip`.
+
+This defines the target type of target groups for all Ingresses that belong to IngressClass with this IngressClassParams.
+If the field is specified, LBC will ignore the `alb.ingress.kubernetes.io/target-type` annotation.
+
 #### spec.loadBalancerAttributes
 
 `loadBalancerAttributes` is an optional setting.

pkg/ingress/model_build_target_group.go

@@ -5,10 +5,11 @@ import (
 	"crypto/sha256"
 	"encoding/hex"
 	"fmt"
-	awssdk "github.com/aws/aws-sdk-go-v2/aws"
 	"regexp"
 	"strconv"
 
+	awssdk "github.com/aws/aws-sdk-go-v2/aws"
+
 	"github.com/pkg/errors"
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -153,7 +154,7 @@ func (t *defaultModelBuildTask) buildTargetGroupBindingNetworking(ctx context.Co
 func (t *defaultModelBuildTask) buildTargetGroupSpec(ctx context.Context,
 	ing ClassifiedIngress, svc *corev1.Service, port intstr.IntOrString, svcPort corev1.ServicePort) (elbv2model.TargetGroupSpec, error) {
 	svcAndIngAnnotations := algorithm.MergeStringMap(svc.Annotations, ing.Ing.Annotations)
-	targetType, err := t.buildTargetGroupTargetType(ctx, svcAndIngAnnotations)
+	targetType, err := t.buildTargetGroupTargetType(ctx, svcAndIngAnnotations, ing.IngClassConfig)
 	if err != nil {
 		return elbv2model.TargetGroupSpec{}, err
 	}
@@ -220,9 +221,12 @@ func (t *defaultModelBuildTask) buildTargetGroupName(_ context.Context,
 	return fmt.Sprintf("k8s-%.8s-%.8s-%.10s", sanitizedNamespace, sanitizedName, uuid)
 }
 
-func (t *defaultModelBuildTask) buildTargetGroupTargetType(_ context.Context, svcAndIngAnnotations map[string]string) (elbv2model.TargetType, error) {
+func (t *defaultModelBuildTask) buildTargetGroupTargetType(_ context.Context, svcAndIngAnnotations map[string]string, classCfg ClassConfiguration) (elbv2model.TargetType, error) {
 	rawTargetType := string(t.defaultTargetType)
 	_ = t.annotationParser.ParseStringAnnotation(annotations.IngressSuffixTargetType, &rawTargetType, svcAndIngAnnotations)
+	if classCfg.IngClassParams != nil && classCfg.IngClassParams.Spec.TargetType != "" {
+		rawTargetType = string(classCfg.IngClassParams.Spec.TargetType)
+	}
 	switch rawTargetType {
 	case string(elbv2model.TargetTypeInstance):
 		return elbv2model.TargetTypeInstance, nil