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Svc REST: HealthCheckNodePort tests
This commit ports the ExternalTrafficPolicy and HealthCheckNodePort tests from rest_test to storage_test. It's not a direct port, though. I have added more cases (much more exhaustive) and more assertions.
This commit is contained in:
Tim Hockin
parent
2212924a96
commit
a957f63ec5
@ -41,7 +41,6 @@ import (
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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epstest "k8s.io/kubernetes/pkg/api/endpoints/testing"
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"k8s.io/kubernetes/pkg/api/service"
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svctest "k8s.io/kubernetes/pkg/api/service/testing"
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api "k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/features"
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@ -1185,110 +1184,6 @@ func TestServiceRegistryIPUpdate(t *testing.T) {
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}
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}
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// Validate allocation of a nodePort when ExternalTrafficPolicy is set to Local
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// and type is LoadBalancer.
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func TestServiceRegistryCreateExternalTrafficHealthCheckNodePortAllocation(t *testing.T) {
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ctx := genericapirequest.NewDefaultContext()
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storage, server := NewTestREST(t, []api.IPFamily{api.IPv4Protocol})
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defer server.Terminate(t)
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svc := svctest.MakeService("external-lb-esipp",
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svctest.SetTypeLoadBalancer,
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func(s *api.Service) {
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s.Spec.ExternalTrafficPolicy = api.ServiceExternalTrafficPolicyTypeLocal
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},
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)
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obj, err := storage.Create(ctx, svc, rest.ValidateAllObjectFunc, &metav1.CreateOptions{})
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if obj == nil || err != nil {
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t.Errorf("Unexpected failure creating service %v", err)
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}
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createdSvc := obj.(*api.Service)
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if !service.NeedsHealthCheck(createdSvc) {
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t.Errorf("Expecting health check needed, returned health check not needed instead")
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}
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port := createdSvc.Spec.HealthCheckNodePort
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if port == 0 {
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t.Errorf("Failed to allocate health check node port and set the HealthCheckNodePort")
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}
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}
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// Validate using the user specified nodePort when ExternalTrafficPolicy is set to Local
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// and type is LoadBalancer.
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func TestServiceRegistryExternalTrafficHealthCheckNodePortUserAllocation(t *testing.T) {
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ctx := genericapirequest.NewDefaultContext()
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storage, server := NewTestREST(t, []api.IPFamily{api.IPv4Protocol})
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defer server.Terminate(t)
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svc := svctest.MakeService("external-lb-esipp",
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svctest.SetTypeLoadBalancer,
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func(s *api.Service) {
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// hard-code NodePort to make sure it doesn't conflict with the healthport.
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// TODO: remove this once http://issue.k8s.io/93922 fixes auto-allocation conflicting with user-specified health check ports
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s.Spec.Ports[0].NodePort = 30500
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s.Spec.ExternalTrafficPolicy = api.ServiceExternalTrafficPolicyTypeLocal
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s.Spec.HealthCheckNodePort = 30501
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},
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)
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obj, err := storage.Create(ctx, svc, rest.ValidateAllObjectFunc, &metav1.CreateOptions{})
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if obj == nil || err != nil {
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t.Fatalf("Unexpected failure creating service :%v", err)
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}
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createdSvc := obj.(*api.Service)
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if !service.NeedsHealthCheck(createdSvc) {
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t.Errorf("Expecting health check needed, returned health check not needed instead")
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}
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port := createdSvc.Spec.HealthCheckNodePort
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if port == 0 {
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t.Errorf("Failed to allocate health check node port and set the HealthCheckNodePort")
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}
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if port != 30501 {
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t.Errorf("Failed to allocate requested nodePort expected %d, got %d", 30501, port)
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}
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}
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// Validate that the service creation fails when the requested port number is -1.
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func TestServiceRegistryCreateExternalTrafficHealthCheckNodePortNegative(t *testing.T) {
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ctx := genericapirequest.NewDefaultContext()
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storage, server := NewTestREST(t, []api.IPFamily{api.IPv4Protocol})
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defer server.Terminate(t)
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svc := svctest.MakeService("external-lb-esipp", svctest.SetTypeLoadBalancer, func(s *api.Service) {
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s.Spec.ExternalTrafficPolicy = api.ServiceExternalTrafficPolicyTypeLocal
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s.Spec.HealthCheckNodePort = int32(-1)
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})
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obj, err := storage.Create(ctx, svc, rest.ValidateAllObjectFunc, &metav1.CreateOptions{})
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if obj == nil || err != nil {
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return
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}
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t.Errorf("Unexpected creation of service with invalid HealthCheckNodePort specified")
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}
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// Validate that the health check nodePort is not allocated when ExternalTrafficPolicy is set to Global.
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func TestServiceRegistryCreateExternalTrafficGlobal(t *testing.T) {
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ctx := genericapirequest.NewDefaultContext()
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storage, server := NewTestREST(t, []api.IPFamily{api.IPv4Protocol})
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defer server.Terminate(t)
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svc := svctest.MakeService("external-lb-esipp",
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svctest.SetTypeLoadBalancer,
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func(s *api.Service) {
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s.Spec.ExternalTrafficPolicy = api.ServiceExternalTrafficPolicyTypeCluster
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},
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)
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obj, err := storage.Create(ctx, svc, rest.ValidateAllObjectFunc, &metav1.CreateOptions{})
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if obj == nil || err != nil {
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t.Errorf("Unexpected failure creating service %v", err)
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}
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createdSvc := obj.(*api.Service)
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if service.NeedsHealthCheck(createdSvc) {
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t.Errorf("Expecting health check not needed, returned health check needed instead")
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}
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// Make sure the service does not have the health check node port allocated
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port := createdSvc.Spec.HealthCheckNodePort
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if port != 0 {
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t.Errorf("Unexpected allocation of health check node port: %v", port)
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}
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}
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// Validate the internalTrafficPolicy field when set to "Cluster" then updated to "Local"
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func TestServiceRegistryInternalTrafficPolicyClusterThenLocal(t *testing.T) {
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ctx := genericapirequest.NewDefaultContext()
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@ -5126,6 +5126,225 @@ func TestCreateInitNodePorts(t *testing.T) {
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}
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}
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func TestCreateExternalTrafficPolicy(t *testing.T) {
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testCases := []struct {
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name string
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svc *api.Service
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expectError bool
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expectHCNP bool
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}{{
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name: "ExternalName_policy:none_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeExternalName,
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svctest.SetExternalTrafficPolicy("")),
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expectHCNP: false,
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}, {
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name: "ExternalName_policy:none_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeExternalName,
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svctest.SetExternalTrafficPolicy(""),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "ExternalName_policy:Cluster_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeExternalName,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeCluster)),
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expectError: true,
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}, {
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name: "ExternalName_policy:Cluster_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeExternalName,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeCluster),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "ExternalName_policy:Local_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeExternalName,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeLocal)),
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expectError: true,
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}, {
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name: "ExternalName_policy:Local_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeExternalName,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeLocal),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "ClusterIP_policy:none_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeClusterIP,
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svctest.SetExternalTrafficPolicy("")),
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expectHCNP: false,
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}, {
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name: "ClusterIP_policy:none_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeClusterIP,
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svctest.SetExternalTrafficPolicy(""),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "ClusterIP_policy:Cluster_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeClusterIP,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeCluster)),
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expectError: true,
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}, {
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name: "ClusterIP_policy:Cluster_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeClusterIP,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeCluster),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "ClusterIP_policy:Local_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeClusterIP,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeLocal)),
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expectError: true,
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}, {
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name: "ClusterIP_policy:Local_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeClusterIP,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeLocal),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "NodePort_policy:none_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeNodePort,
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svctest.SetExternalTrafficPolicy("")),
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expectHCNP: false,
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}, {
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name: "NodePort_policy:none_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeNodePort,
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svctest.SetExternalTrafficPolicy(""),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "NodePort_policy:Cluster:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeNodePort,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeCluster)),
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expectHCNP: false,
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}, {
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name: "NodePort_policy:Cluster:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeNodePort,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeCluster),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "NodePort_policy:Local_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeNodePort,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeLocal)),
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expectHCNP: false,
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}, {
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name: "NodePort_policy:Local_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeNodePort,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeLocal),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "LoadBalancer_policy:none_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeLoadBalancer,
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svctest.SetExternalTrafficPolicy("")),
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expectHCNP: false,
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}, {
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name: "LoadBalancer_policy:none_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeLoadBalancer,
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svctest.SetExternalTrafficPolicy(""),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "LoadBalancer_policy:Cluster_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeLoadBalancer,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeCluster)),
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expectHCNP: false,
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}, {
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name: "LoadBalancer_policy:Cluster_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeLoadBalancer,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeCluster),
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svctest.SetHealthCheckNodePort(30000)),
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expectError: true,
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}, {
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name: "LoadBalancer_policy:Local_hcnp:none",
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svc: svctest.MakeService("foo",
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svctest.SetTypeLoadBalancer,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeLocal)),
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expectHCNP: true,
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}, {
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name: "LoadBalancer_policy:Local_hcnp:specified",
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svc: svctest.MakeService("foo",
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svctest.SetTypeLoadBalancer,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeLocal),
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svctest.SetHealthCheckNodePort(30000)),
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expectHCNP: true,
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}, {
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name: "LoadBalancer_policy:Local_hcnp:negative",
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svc: svctest.MakeService("foo",
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svctest.SetTypeLoadBalancer,
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svctest.SetExternalTrafficPolicy(api.ServiceExternalTrafficPolicyTypeLocal),
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svctest.SetHealthCheckNodePort(-1)),
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expectError: true,
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}}
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// Do this in the outer scope for performance.
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storage, _, server := newStorage(t, []api.IPFamily{api.IPv4Protocol})
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defer server.Terminate(t)
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defer storage.Store.DestroyFunc()
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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ctx := genericapirequest.NewDefaultContext()
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createdObj, err := storage.Create(ctx, tc.svc, rest.ValidateAllObjectFunc, &metav1.CreateOptions{})
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if tc.expectError && err != nil {
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return
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}
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if err != nil {
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t.Fatalf("unexpected error creating service: %v", err)
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}
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defer storage.Delete(ctx, tc.svc.Name, rest.ValidateAllObjectFunc, &metav1.DeleteOptions{})
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if tc.expectError && err == nil {
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t.Fatalf("unexpected success creating service")
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}
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createdSvc := createdObj.(*api.Service)
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if !tc.expectHCNP {
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if createdSvc.Spec.HealthCheckNodePort != 0 {
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t.Fatalf("expected no HealthCheckNodePort, got %d", createdSvc.Spec.HealthCheckNodePort)
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}
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return
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}
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if createdSvc.Spec.HealthCheckNodePort == 0 {
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t.Fatalf("expected a HealthCheckNodePort")
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}
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if !portIsAllocated(t, storage.alloc.serviceNodePorts, createdSvc.Spec.HealthCheckNodePort) {
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t.Errorf("expected HealthCheckNodePort to be allocated: %v", createdSvc.Spec.HealthCheckNodePort)
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}
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if tc.svc.Spec.HealthCheckNodePort != 0 {
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if want, got := tc.svc.Spec.HealthCheckNodePort, createdSvc.Spec.HealthCheckNodePort; want != got {
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t.Errorf("wrong HealthCheckNodePort value: wanted %d, got %d", want, got)
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}
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}
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for i, p := range createdSvc.Spec.Ports {
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if p.NodePort == createdSvc.Spec.HealthCheckNodePort {
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t.Errorf("HealthCheckNodePort overlaps NodePort[%d]", i)
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}
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}
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})
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}
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}
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// Prove that a dry-run create doesn't actually allocate IPs or ports.
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func TestCreateDryRun(t *testing.T) {
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testCases := []struct {
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Block a user