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Add e2e test for configuring healthchecks via BackendConfig #1084
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,175 @@ | ||
| /* | ||
| Copyright 2020 The Kubernetes Authors. | ||
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| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
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| http://www.apache.org/licenses/LICENSE-2.0 | ||
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| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package main | ||
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| import ( | ||
| "context" | ||
| "testing" | ||
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| "github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud" | ||
| "k8s.io/apimachinery/pkg/util/intstr" | ||
| "k8s.io/ingress-gce/pkg/annotations" | ||
| backendconfig "k8s.io/ingress-gce/pkg/apis/backendconfig/v1" | ||
| "k8s.io/ingress-gce/pkg/e2e" | ||
| "k8s.io/ingress-gce/pkg/e2e/adapter" | ||
| "k8s.io/ingress-gce/pkg/fuzz" | ||
| "k8s.io/ingress-gce/pkg/fuzz/features" | ||
| ) | ||
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| func TestHealthCheck(t *testing.T) { | ||
| t.Parallel() | ||
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| pint64 := func(x int64) *int64 { return &x } | ||
| pstring := func(x string) *string { return &x } | ||
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| for _, tc := range []struct { | ||
| desc string | ||
| beConfig *backendconfig.BackendConfig | ||
| want *backendconfig.HealthCheckConfig | ||
| }{ | ||
| { | ||
| desc: "override healthcheck path", | ||
| beConfig: fuzz.NewBackendConfigBuilder("", "backendconfig-1").Build(), | ||
| want: &backendconfig.HealthCheckConfig{ | ||
| CheckIntervalSec: pint64(7), | ||
| TimeoutSec: pint64(3), | ||
| HealthyThreshold: pint64(3), | ||
| UnhealthyThreshold: pint64(5), | ||
| RequestPath: pstring("/my-path"), | ||
| }, | ||
| }, | ||
| } { | ||
| tc := tc // Capture tc as we are running this in parallel. | ||
| Framework.RunWithSandbox(tc.desc, t, func(t *testing.T, s *e2e.Sandbox) { | ||
| t.Parallel() | ||
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| ctx := context.Background() | ||
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| backendConfigAnnotation := map[string]string{ | ||
| annotations.BackendConfigKey: `{"default":"backendconfig-1"}`, | ||
| } | ||
| tc.beConfig.Spec.HealthCheck = tc.want | ||
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| if _, err := Framework.BackendConfigClient.CloudV1().BackendConfigs(s.Namespace).Create(tc.beConfig); err != nil { | ||
| t.Fatalf("error creating BackendConfig: %v", err) | ||
| } | ||
| t.Logf("BackendConfig created (%s/%s) ", s.Namespace, tc.beConfig.Name) | ||
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| _, err := e2e.CreateEchoService(s, "service-1", backendConfigAnnotation) | ||
| if err != nil { | ||
| t.Fatalf("error creating echo service: %v", err) | ||
| } | ||
| t.Logf("Echo service created (%s/%s)", s.Namespace, "service-1") | ||
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| ing := fuzz.NewIngressBuilder(s.Namespace, "ingress-1", ""). | ||
| DefaultBackend("service-1", intstr.FromInt(80)). | ||
| Build() | ||
| crud := adapter.IngressCRUD{C: Framework.Clientset} | ||
| if _, err := crud.Create(ing); err != nil { | ||
| t.Fatalf("error creating Ingress spec: %v", err) | ||
| } | ||
| t.Logf("Ingress created (%s/%s)", s.Namespace, ing.Name) | ||
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| ing, err = e2e.WaitForIngress(s, ing, nil) | ||
| if err != nil { | ||
| t.Fatalf("error waiting for Ingress to stabilize: %v", err) | ||
| } | ||
| t.Logf("GCLB resources created (%s/%s)", s.Namespace, ing.Name) | ||
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| vip := ing.Status.LoadBalancer.Ingress[0].IP | ||
| t.Logf("Ingress %s/%s VIP = %s", s.Namespace, ing.Name, vip) | ||
| params := &fuzz.GCLBForVIPParams{VIP: vip, Validators: fuzz.FeatureValidators(features.All)} | ||
| gclb, err := fuzz.GCLBForVIP(context.Background(), Framework.Cloud, params) | ||
| if err != nil { | ||
| t.Fatalf("Error getting GCP resources for LB with IP = %q: %v", vip, err) | ||
| } | ||
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| verifyHealthCheck(t, gclb, tc.want) | ||
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| // Wait for GCLB resources to be deleted. | ||
| if err := crud.Delete(s.Namespace, ing.Name); err != nil { | ||
| t.Errorf("Delete(%q) = %v, want nil", ing.Name, err) | ||
| } | ||
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| deleteOptions := &fuzz.GCLBDeleteOptions{ | ||
| SkipDefaultBackend: true, | ||
| } | ||
| t.Logf("Waiting for GCLB resources to be deleted (%s/%s)", s.Namespace, ing.Name) | ||
| if err := e2e.WaitForGCLBDeletion(ctx, Framework.Cloud, gclb, deleteOptions); err != nil { | ||
| t.Errorf("e2e.WaitForGCLBDeletion(...) = %v, want nil", err) | ||
| } | ||
| t.Logf("GCLB resources deleted (%s/%s)", s.Namespace, ing.Name) | ||
| }) | ||
| } | ||
| } | ||
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| func verifyHealthCheck(t *testing.T, gclb *fuzz.GCLB, want *backendconfig.HealthCheckConfig) { | ||
| // We assume there is a single service for now. The logic will have to be | ||
| // changed if there is more than one backend service. | ||
| for _, bs := range gclb.BackendService { | ||
| for _, hcURL := range bs.GA.HealthChecks { | ||
| rID, err := cloud.ParseResourceURL(hcURL) | ||
| if err != nil { | ||
| t.Fatalf("cloud.ParseResourceURL(%q) = _, %v; want _, nil", hcURL, err) | ||
| } | ||
| hc, ok := gclb.HealthCheck[*rID.Key] | ||
| if !ok { | ||
| t.Fatalf("HealthCheck %s not found in BackendService %+v", rID.Key, bs) | ||
| } | ||
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| // Pull out the field that are in common among the different | ||
| // healthchecks per protocol. | ||
| common := struct { | ||
| port int64 | ||
| requestPath string | ||
| }{} | ||
| switch { | ||
| case hc.GA.Http2HealthCheck != nil: | ||
| common.port = hc.GA.Http2HealthCheck.Port | ||
| common.requestPath = hc.GA.Http2HealthCheck.RequestPath | ||
| case hc.GA.HttpHealthCheck != nil: | ||
| common.port = hc.GA.HttpHealthCheck.Port | ||
| common.requestPath = hc.GA.HttpHealthCheck.RequestPath | ||
| case hc.GA.HttpsHealthCheck != nil: | ||
| common.port = hc.GA.HttpsHealthCheck.Port | ||
| common.requestPath = hc.GA.HttpsHealthCheck.RequestPath | ||
| } | ||
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| if want.CheckIntervalSec != nil && hc.GA.CheckIntervalSec != *want.CheckIntervalSec { | ||
| t.Errorf("HealthCheck %v checkIntervalSec = %d, want %d", rID.Key, hc.GA.CheckIntervalSec, *want.CheckIntervalSec) | ||
| } | ||
| if want.TimeoutSec != nil && hc.GA.TimeoutSec != *want.TimeoutSec { | ||
| t.Errorf("HealthCheck %v timeoutSec = %d, want %d", rID.Key, hc.GA.TimeoutSec, *want.TimeoutSec) | ||
| } | ||
| if want.HealthyThreshold != nil && hc.GA.HealthyThreshold != *want.HealthyThreshold { | ||
| t.Errorf("HealthCheck %v healthyThreshold = %d, want %d", rID.Key, hc.GA.HealthyThreshold, *want.HealthyThreshold) | ||
| } | ||
| if want.UnhealthyThreshold != nil && hc.GA.UnhealthyThreshold != *want.UnhealthyThreshold { | ||
| t.Errorf("HealthCheck %v unhealthThreshold = %d, want %d", rID.Key, hc.GA.UnhealthyThreshold, *want.UnhealthyThreshold) | ||
| } | ||
| if want.Type != nil { | ||
| t.Errorf("HealthCheck %v type = %s, want %s", rID.Key, hc.GA.Type, *want.Type) | ||
| } | ||
| if want.Port != nil && common.port != *want.Port { | ||
| t.Errorf("HealthCheck %v port = %d, want %d", rID.Key, common.port, *want.Port) | ||
| } | ||
| if want.RequestPath != nil && common.requestPath != *want.RequestPath { | ||
| t.Errorf("HealthCheck %v requestPath = %q, want %q", rID.Key, common.requestPath, *want.RequestPath) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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Maybe in a followup PR but you may want to add a transition test.
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I will add follow on