intergration_test.go

Documentation: github.com/cert-manager/issuer-lib/controllers

     1  /*
     2  Copyright 2023 The cert-manager 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 controllers
    18  
    19  import (
    20  	"context"
    21  	"os"
    22  	"testing"
    23  
    24  	logrtesting "github.com/go-logr/logr/testing"
    25  	"github.com/stretchr/testify/require"
    26  	"golang.org/x/sync/errgroup"
    27  	corev1 "k8s.io/api/core/v1"
    28  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    29  	"k8s.io/apimachinery/pkg/runtime"
    30  	"k8s.io/klog/v2"
    31  	ctrl "sigs.k8s.io/controller-runtime"
    32  	"sigs.k8s.io/controller-runtime/pkg/client"
    33  	"sigs.k8s.io/controller-runtime/pkg/envtest"
    34  	"sigs.k8s.io/controller-runtime/pkg/metrics/server"
    35  
    36  	"github.com/cert-manager/issuer-lib/internal/testapi/api"
    37  	"github.com/cert-manager/issuer-lib/internal/tests/testresource"
    38  )
    39  
    40  func createNS(t *testing.T, ctx context.Context, kc client.Client, nsName string) {
    41  	t.Helper()
    42  
    43  	ns := corev1.Namespace{
    44  		ObjectMeta: metav1.ObjectMeta{
    45  			Name: nsName,
    46  		},
    47  	}
    48  	require.NoError(t, kc.Create(ctx, &ns))
    49  }
    50  
    51  type controllerInterface interface {
    52  	SetupWithManager(ctx context.Context, mgr ctrl.Manager) error
    53  }
    54  
    55  func setupControllersAPIServerAndClient(t *testing.T, parentCtx context.Context, kubeClients *testresource.OwnedKubeClients, controller func(mgr ctrl.Manager) controllerInterface) context.Context {
    56  	t.Helper()
    57  
    58  	eg, gctx := errgroup.WithContext(parentCtx)
    59  	t.Cleanup(func() {
    60  		t.Log("Waiting for controller manager to exit")
    61  		require.NoError(t, eg.Wait())
    62  	})
    63  
    64  	require.NoError(t, corev1.AddToScheme(kubeClients.Scheme))
    65  
    66  	logger := logrtesting.NewTestLoggerWithOptions(t, logrtesting.Options{LogTimestamp: true, Verbosity: 10})
    67  	ctrl.SetLogger(logger)
    68  	klog.SetLogger(logger)
    69  
    70  	t.Log("Installing cert-manager CRDs")
    71  	_, err := kubeClients.InstallCRDs(envtest.CRDInstallOptions{
    72  		Scheme: kubeClients.Scheme,
    73  		Paths: []string{
    74  			os.Getenv("SIMPLE_CRDS"),
    75  			os.Getenv("CERT_MANAGER_CRDS"),
    76  		},
    77  		ErrorIfPathMissing: true,
    78  	})
    79  	require.NoError(t, err)
    80  
    81  	scheme := runtime.NewScheme()
    82  	require.NoError(t, setupCertificateRequestReconcilerScheme(scheme))
    83  	require.NoError(t, api.AddToScheme(scheme))
    84  	require.NoError(t, corev1.AddToScheme(scheme))
    85  
    86  	t.Log("Creating a controller manager")
    87  	mgr, err := ctrl.NewManager(kubeClients.Rest, ctrl.Options{
    88  		Scheme:         scheme,
    89  		Logger:         logger,
    90  		LeaderElection: false,
    91  		Metrics: server.Options{
    92  			BindAddress: "0",
    93  		},
    94  	})
    95  	require.NoError(t, err)
    96  
    97  	t.Log("Setting up controller")
    98  	require.NoError(t, controller(mgr).SetupWithManager(gctx, mgr))
    99  
   100  	mgrCtx, cancel := context.WithCancel(gctx)
   101  	t.Cleanup(cancel)
   102  
   103  	t.Log("Starting the controller manager")
   104  	eg.Go(func() error {
   105  		return mgr.Start(mgrCtx)
   106  	})
   107  
   108  	return gctx
   109  }
   110
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