add numOfProbe and probeInterval in health probe configuration

Signed-off-by: Shangxiang Fan <shafan@microsoft.com>
Signed-off-by: MartinForReal <fanshangxiang@gmail.com>

pkg/consts/consts.go

@@ -260,6 +260,14 @@ const (
 	// If not set, the local service would use the HTTP and the cluster service would use the TCP by default.
 	ServiceAnnotationLoadBalancerHealthProbeProtocol = "service.beta.kubernetes.io/azure-load-balancer-health-probe-protocol"
 
+	// ServiceAnnotationLoadBalancerHealthProbeInterval determines the probe interval of the load balancer health probe.
+	// The minimum probe interval is 5 seconds and the default value is 15. The total duration of all intervals cannot exceed 120 seconds.
+	ServiceAnnotationLoadBalancerHealthProbeInterval = "service.beta.kubernetes.io/azure-load-balancer-health-probe-interval"
+
+	// ServiceAnnotationLoadBalancerHealthProbeNumOfProbe determines the minimum number of unhealthy responses which load balancer cannot tolerate.
+	// The minimum number of probe is 1. The total duration of all intervals cannot exceed 120 seconds.
+	ServiceAnnotationLoadBalancerHealthProbeNumOfProbe = "service.beta.kubernetes.io/azure-load-balancer-health-probe-num-of-probe"
+
 	// ServiceAnnotationLoadBalancerHealthProbeRequestPath determines the request path of the load balancer health probe.
 	// This is only useful for the HTTP and HTTPS, and would be ignored when using TCP. If not set,
 	// `/healthz` would be configured by default.

pkg/provider/azure_loadbalancer_test.go

@@ -33,10 +33,8 @@ import (
 	"github.com/Azure/go-autorest/autorest/to"
 	"github.com/golang/mock/gomock"
 	"github.com/stretchr/testify/assert"
-
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-
 	"sigs.k8s.io/cloud-provider-azure/pkg/azureclients/loadbalancerclient/mockloadbalancerclient"
 	"sigs.k8s.io/cloud-provider-azure/pkg/azureclients/publicipclient/mockpublicipclient"
 	"sigs.k8s.io/cloud-provider-azure/pkg/azureclients/securitygroupclient/mocksecuritygroupclient"