Merge pull request #16348 from hakman/azure-well-known-services

azure: Replace lb.ForAPIServer with lb.WellKnownServices

pkg/model/azuremodel/api_loadbalancer.go

@@ -21,6 +21,7 @@ import (
 
 	"github.com/Azure/azure-sdk-for-go/sdk/azcore/to"
 	"k8s.io/kops/pkg/apis/kops"
+	"k8s.io/kops/pkg/wellknownservices"
 	"k8s.io/kops/upup/pkg/fi"
 	"k8s.io/kops/upup/pkg/fi/cloudup/azuretasks"
 )
@@ -53,6 +54,7 @@ func (b *APILoadBalancerModelBuilder) Build(c *fi.CloudupModelBuilderContext) er
 		Lifecycle:         b.Lifecycle,
 		ResourceGroup:     b.LinkToResourceGroup(),
 		Tags:              map[string]*string{},
+		WellKnownServices: []wellknownservices.WellKnownService{wellknownservices.KubeAPIServer},
 	}
 
 	switch lbSpec.Type {
@@ -81,7 +83,7 @@ func (b *APILoadBalancerModelBuilder) Build(c *fi.CloudupModelBuilderContext) er
 	c.AddTask(lb)
 
 	if b.Cluster.UsesLegacyGossip() || b.Cluster.UsesPrivateDNS() || b.Cluster.UsesNoneDNS() {
-		lb.ForAPIServer = true
+		lb.WellKnownServices = append(lb.WellKnownServices, wellknownservices.KopsController)
 	}
 
 	return nil

upup/pkg/fi/cloudup/azuretasks/loadbalancer.go

@@ -19,12 +19,14 @@ package azuretasks
 import (
 	"context"
 	"fmt"
+	"slices"
 	"strings"
 
 	"github.com/Azure/azure-sdk-for-go/sdk/azcore/to"
 	network "github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/network/armnetwork"
 	"k8s.io/klog/v2"
 	"k8s.io/kops/pkg/wellknownports"
+	"k8s.io/kops/pkg/wellknownservices"
 	"k8s.io/kops/upup/pkg/fi"
 	"k8s.io/kops/upup/pkg/fi/cloudup/azure"
 )
@@ -41,7 +43,10 @@ type LoadBalancer struct {
 	External *bool
 
 	Tags map[string]*string
-	ForAPIServer bool
+
+	// WellKnownServices indicates which services are supported by this resource.
+	// This field is internal and is not rendered to the cloud.
+	WellKnownServices []wellknownservices.WellKnownService
 }
 
 var (
@@ -57,8 +62,8 @@ func (lb *LoadBalancer) CompareWithID() *string {
 
 // GetWellKnownServices implements fi.HasAddress::GetWellKnownServices.
 // It indicates which services we support with this load balancer.
-func (lb *LoadBalancer) GetWellKnownServices() bool {
-	return lb.ForAPIServer
+func (lb *LoadBalancer) GetWellKnownServices() []wellknownservices.WellKnownService {
+	return lb.WellKnownServices
 }
 
 func (lb *LoadBalancer) FindAddresses(c *fi.CloudupContext) ([]string, error) {
@@ -117,7 +122,7 @@ func (lb *LoadBalancer) Find(c *fi.CloudupContext) (*LoadBalancer, error) {
 	actual := &LoadBalancer{
 		Name:              lb.Name,
 		Lifecycle:         lb.Lifecycle,
-		ForAPIServer: lb.ForAPIServer,
+		WellKnownServices: lb.WellKnownServices,
 		ResourceGroup: &ResourceGroup{
 			Name: lb.ResourceGroup.Name,
 		},
@@ -198,8 +203,12 @@ func (*LoadBalancer) RenderAzure(t *azure.AzureAPITarget, a, e, changes *LoadBal
 					Name: to.Ptr("LoadBalancerBackEnd"),
 				},
 			},
-			Probes: []*network.Probe{
-				{
+		},
+		Tags: e.Tags,
+	}
+
+	if slices.Contains(e.WellKnownServices, wellknownservices.KubeAPIServer) {
+		lb.Properties.Probes = append(lb.Properties.Probes, &network.Probe{
 			Name: to.Ptr("Health-TCP-443"),
 			Properties: &network.ProbePropertiesFormat{
 				Protocol:          to.Ptr(network.ProbeProtocolTCP),
@@ -207,19 +216,8 @@ func (*LoadBalancer) RenderAzure(t *azure.AzureAPITarget, a, e, changes *LoadBal
 				IntervalInSeconds: to.Ptr[int32](15),
 				NumberOfProbes:    to.Ptr[int32](4),
 			},
-				},
-				{
-					Name: to.Ptr("Health-TCP-3988"),
-					Properties: &network.ProbePropertiesFormat{
-						Protocol:          to.Ptr(network.ProbeProtocolTCP),
-						Port:              to.Ptr[int32](wellknownports.KopsControllerPort),
-						IntervalInSeconds: to.Ptr[int32](15),
-						NumberOfProbes:    to.Ptr[int32](4),
-					},
-				},
-			},
-			LoadBalancingRules: []*network.LoadBalancingRule{
-				{
+		})
+		lb.Properties.LoadBalancingRules = append(lb.Properties.LoadBalancingRules, &network.LoadBalancingRule{
 			Name: to.Ptr("TCP-443"),
 			Properties: &network.LoadBalancingRulePropertiesFormat{
 				Protocol:             to.Ptr(network.TransportProtocolTCP),
@@ -238,8 +236,20 @@ func (*LoadBalancer) RenderAzure(t *azure.AzureAPITarget, a, e, changes *LoadBal
 					ID: to.Ptr(fmt.Sprintf("/%s/loadbalancers/%s/probes/%s", idPrefix, *e.Name, *to.Ptr("Health-TCP-443"))),
 				},
 			},
+		})
+	}
+
+	if slices.Contains(e.WellKnownServices, wellknownservices.KopsController) {
+		lb.Properties.Probes = append(lb.Properties.Probes, &network.Probe{
+			Name: to.Ptr("Health-TCP-3988"),
+			Properties: &network.ProbePropertiesFormat{
+				Protocol:          to.Ptr(network.ProbeProtocolTCP),
+				Port:              to.Ptr[int32](wellknownports.KopsControllerPort),
+				IntervalInSeconds: to.Ptr[int32](15),
+				NumberOfProbes:    to.Ptr[int32](4),
 			},
-				{
+		})
+		lb.Properties.LoadBalancingRules = append(lb.Properties.LoadBalancingRules, &network.LoadBalancingRule{
 			Name: to.Ptr("TCP-3988"),
 			Properties: &network.LoadBalancingRulePropertiesFormat{
 				Protocol:             to.Ptr(network.TransportProtocolTCP),
@@ -258,10 +268,7 @@ func (*LoadBalancer) RenderAzure(t *azure.AzureAPITarget, a, e, changes *LoadBal
 					ID: to.Ptr(fmt.Sprintf("/%s/loadbalancers/%s/probes/%s", idPrefix, *e.Name, *to.Ptr("Health-TCP-3988"))),
 				},
 			},
-				},
-			},
-		},
-		Tags: e.Tags,
+		})
 	}
 
 	_, err := t.Cloud.LoadBalancer().CreateOrUpdate(

upup/pkg/fi/cloudup/azuretasks/loadbalancer_test.go

@@ -22,6 +22,8 @@ import (
 	"reflect"
 	"testing"
 
+	"k8s.io/kops/pkg/wellknownservices"
+
 	"github.com/Azure/azure-sdk-for-go/sdk/azcore/to"
 	network "github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/network/armnetwork"
 	"k8s.io/kops/upup/pkg/fi"
@@ -43,7 +45,7 @@ func newTestLoadBalancer() *LoadBalancer {
 			},
 		},
 		External:          to.Ptr(true),
-		ForAPIServer: true,
+		WellKnownServices: []wellknownservices.WellKnownService{wellknownservices.KubeAPIServer},
 		Tags: map[string]*string{
 			testTagKey: to.Ptr(testTagValue),
 		},