sigs.k8s.io/cluster-api@v1.7.1/internal/controllers/topology/cluster/suite_test.go (about)

     1  /*
     2  Copyright 2021 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package cluster
    18  
    19  import (
    20  	"context"
    21  	"fmt"
    22  	"os"
    23  	"testing"
    24  	"time"
    25  
    26  	. "github.com/onsi/gomega"
    27  	corev1 "k8s.io/api/core/v1"
    28  	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
    29  	"k8s.io/apimachinery/pkg/runtime"
    30  	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
    31  	ctrl "sigs.k8s.io/controller-runtime"
    32  	"sigs.k8s.io/controller-runtime/pkg/client"
    33  	"sigs.k8s.io/controller-runtime/pkg/controller"
    34  
    35  	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
    36  	"sigs.k8s.io/cluster-api/api/v1beta1/index"
    37  	"sigs.k8s.io/cluster-api/controllers/remote"
    38  	expv1 "sigs.k8s.io/cluster-api/exp/api/v1beta1"
    39  	"sigs.k8s.io/cluster-api/internal/controllers/clusterclass"
    40  	"sigs.k8s.io/cluster-api/internal/test/envtest"
    41  )
    42  
    43  var (
    44  	ctx        = ctrl.SetupSignalHandler()
    45  	fakeScheme = runtime.NewScheme()
    46  	env        *envtest.Environment
    47  )
    48  
    49  func init() {
    50  	_ = clientgoscheme.AddToScheme(fakeScheme)
    51  	_ = clusterv1.AddToScheme(fakeScheme)
    52  	_ = apiextensionsv1.AddToScheme(fakeScheme)
    53  	_ = expv1.AddToScheme(fakeScheme)
    54  	_ = corev1.AddToScheme(fakeScheme)
    55  }
    56  func TestMain(m *testing.M) {
    57  	setupIndexes := func(ctx context.Context, mgr ctrl.Manager) {
    58  		if err := index.AddDefaultIndexes(ctx, mgr); err != nil {
    59  			panic(fmt.Sprintf("unable to setup index: %v", err))
    60  		}
    61  		// Set up the ClusterClassName index explicitly here. This index is ordinarily created in
    62  		// index.AddDefaultIndexes. That doesn't happen here because the ClusterClass feature flag is not set.
    63  		if err := index.ByClusterClassName(ctx, mgr); err != nil {
    64  			panic(fmt.Sprintf("unable to setup index: %v", err))
    65  		}
    66  	}
    67  	setupReconcilers := func(ctx context.Context, mgr ctrl.Manager) {
    68  		unstructuredCachingClient, err := client.New(mgr.GetConfig(), client.Options{
    69  			Cache: &client.CacheOptions{
    70  				Reader:       mgr.GetCache(),
    71  				Unstructured: true,
    72  			},
    73  		})
    74  		if err != nil {
    75  			panic(fmt.Sprintf("unable to create unstructuredCachineClient: %v", err))
    76  		}
    77  		// Set up a ClusterCacheTracker and ClusterCacheReconciler to provide to controllers
    78  		// requiring a connection to a remote cluster
    79  		secretCachingClient, err := client.New(mgr.GetConfig(), client.Options{
    80  			HTTPClient: mgr.GetHTTPClient(),
    81  			Cache: &client.CacheOptions{
    82  				Reader: mgr.GetCache(),
    83  			},
    84  		})
    85  		if err != nil {
    86  			panic(fmt.Sprintf("unable to create secretCachingClient: %v", err))
    87  		}
    88  		tracker, err := remote.NewClusterCacheTracker(
    89  			mgr,
    90  			remote.ClusterCacheTrackerOptions{
    91  				Log:                 &ctrl.Log,
    92  				SecretCachingClient: secretCachingClient,
    93  			},
    94  		)
    95  		if err != nil {
    96  			panic(fmt.Sprintf("unable to create cluster cache tracker: %v", err))
    97  		}
    98  		if err := (&remote.ClusterCacheReconciler{
    99  			Client:  mgr.GetClient(),
   100  			Tracker: tracker,
   101  		}).SetupWithManager(ctx, mgr, controller.Options{MaxConcurrentReconciles: 1}); err != nil {
   102  			panic(fmt.Sprintf("Failed to start ClusterCacheReconciler: %v", err))
   103  		}
   104  		if err := (&Reconciler{
   105  			Client:                    mgr.GetClient(),
   106  			APIReader:                 mgr.GetAPIReader(),
   107  			UnstructuredCachingClient: unstructuredCachingClient,
   108  			Tracker:                   tracker,
   109  		}).SetupWithManager(ctx, mgr, controller.Options{MaxConcurrentReconciles: 1}); err != nil {
   110  			panic(fmt.Sprintf("unable to create topology cluster reconciler: %v", err))
   111  		}
   112  		if err := (&clusterclass.Reconciler{
   113  			Client:                    mgr.GetClient(),
   114  			UnstructuredCachingClient: unstructuredCachingClient,
   115  		}).SetupWithManager(ctx, mgr, controller.Options{MaxConcurrentReconciles: 5}); err != nil {
   116  			panic(fmt.Sprintf("unable to create clusterclass reconciler: %v", err))
   117  		}
   118  	}
   119  	SetDefaultEventuallyPollingInterval(100 * time.Millisecond)
   120  	SetDefaultEventuallyTimeout(30 * time.Second)
   121  	os.Exit(envtest.Run(ctx, envtest.RunInput{
   122  		M:                m,
   123  		SetupEnv:         func(e *envtest.Environment) { env = e },
   124  		SetupIndexes:     setupIndexes,
   125  		SetupReconcilers: setupReconcilers,
   126  		MinK8sVersion:    "v1.22.0", // ClusterClass uses server side apply that went GA in 1.22; we do not support previous version because of bug/inconsistent behaviours in the older release.
   127  	}))
   128  }