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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package elbv2 | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| awssdk "github.com/aws/aws-sdk-go-v2/aws" | ||
| elbv2sdk "github.com/aws/aws-sdk-go-v2/service/elasticloadbalancingv2" | ||
| elbv2types "github.com/aws/aws-sdk-go-v2/service/elasticloadbalancingv2/types" | ||
| "github.com/go-logr/logr" | ||
| "k8s.io/apimachinery/pkg/util/sets" | ||
| "sigs.k8s.io/aws-load-balancer-controller/pkg/algorithm" | ||
| "sigs.k8s.io/aws-load-balancer-controller/pkg/aws/services" | ||
| elbv2model "sigs.k8s.io/aws-load-balancer-controller/pkg/model/elbv2" | ||
| ) | ||
|
|
||
| // Reconciler for Listener attributes | ||
| type ListenerAttributesReconciler interface { | ||
| Reconcile(ctx context.Context, resLS *elbv2model.Listener, sdkLS ListenerWithTags) error | ||
| } | ||
|
|
||
| // NewListenerAttributesReconciler constructs new ListenerAttributesReconciler. | ||
| func NewDefaultListenerAttributesReconciler(elbv2Client services.ELBV2, logger logr.Logger) *defaultListenerAttributesReconciler { | ||
| return &defaultListenerAttributesReconciler{ | ||
| elbv2Client: elbv2Client, | ||
| logger: logger, | ||
| } | ||
| } | ||
|
|
||
| var _ ListenerAttributesReconciler = &defaultListenerAttributesReconciler{} | ||
|
|
||
| // default implementation for ListenerAttributeReconciler | ||
| type defaultListenerAttributesReconciler struct { | ||
| elbv2Client services.ELBV2 | ||
| logger logr.Logger | ||
| } | ||
|
|
||
| func (r *defaultListenerAttributesReconciler) Reconcile(ctx context.Context, resLS *elbv2model.Listener, sdkLS ListenerWithTags) error { | ||
| desiredAttrs := r.getDesiredListenerAttributes(ctx, resLS) | ||
| currentAttrs, err := r.getCurrentListenerAttributes(ctx, sdkLS) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| attributesToUpdate, _ := algorithm.DiffStringMap(desiredAttrs, currentAttrs) | ||
| if len(attributesToUpdate) > 0 { | ||
| req := &elbv2sdk.ModifyListenerAttributesInput{ | ||
| ListenerArn: sdkLS.Listener.ListenerArn, | ||
| Attributes: nil, | ||
| } | ||
| for _, attrKey := range sets.StringKeySet(attributesToUpdate).List() { | ||
| req.Attributes = append(req.Attributes, elbv2types.ListenerAttribute{ | ||
| Key: awssdk.String(attrKey), | ||
| Value: awssdk.String(attributesToUpdate[attrKey]), | ||
| }) | ||
| } | ||
| r.logger.Info("modifying listener attributes", | ||
| "stackID", resLS.Stack().StackID(), | ||
| "resourceID", resLS.ID(), | ||
| "arn", awssdk.ToString(sdkLS.Listener.ListenerArn), | ||
| "change", attributesToUpdate) | ||
| if _, err := r.elbv2Client.ModifyListenerAttributesWithContext(ctx, req); err != nil { | ||
| return err | ||
| } | ||
| r.logger.Info("modified listener attribute", | ||
| "stackID", resLS.Stack().StackID(), | ||
| "resourceID", resLS.ID(), | ||
| "arn", awssdk.ToString(sdkLS.Listener.ListenerArn)) | ||
|
|
||
| } | ||
| return nil | ||
|
|
||
| } | ||
|
|
||
| func (r *defaultListenerAttributesReconciler) getDesiredListenerAttributes(ctx context.Context, resLS *elbv2model.Listener) map[string]string { | ||
| lsAttributes := make(map[string]string, len(resLS.Spec.ListenerAttributes)) | ||
| for _, attr := range resLS.Spec.ListenerAttributes { | ||
| lsAttributes[attr.Key] = attr.Value | ||
| } | ||
| return lsAttributes | ||
| } | ||
|
|
||
| func (r *defaultListenerAttributesReconciler) getCurrentListenerAttributes(ctx context.Context, sdkLS ListenerWithTags) (map[string]string, error) { | ||
| req := &elbv2sdk.DescribeListenerAttributesInput{ | ||
| ListenerArn: sdkLS.Listener.ListenerArn, | ||
| } | ||
| resp, err := r.elbv2Client.DescribeListenerAttributesWithContext(ctx, req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| lsAttributes := make(map[string]string, len(resp.Attributes)) | ||
| for _, attr := range resp.Attributes { | ||
| lsAttributes[awssdk.ToString(attr.Key)] = awssdk.ToString(attr.Value) | ||
| } | ||
| return lsAttributes, nil | ||
| } |
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