/
test_utils.go
264 lines (231 loc) · 7.74 KB
/
test_utils.go
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package e2e
import (
"context"
"crypto/tls"
"crypto/x509"
"errors"
"fmt"
"net/http"
"net/http/cookiejar"
"time"
integreatlyv1alpha1 "github.com/integr8ly/cloud-resource-operator/apis/integreatly/v1alpha1"
_ "github.com/lib/pq"
configv1 "github.com/openshift/api/config/v1"
routev1 "github.com/openshift/api/route/v1"
"golang.org/x/net/publicsuffix"
appsv1 "k8s.io/api/apps/v1"
bv1 "k8s.io/api/batch/v1"
v1 "k8s.io/api/core/v1"
"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
extscheme "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/scheme"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/wait"
cached "k8s.io/client-go/discovery/cached"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/rest"
"k8s.io/client-go/restmapper"
k8sclient "sigs.k8s.io/controller-runtime/pkg/client"
)
var (
OpenShiftConsoleRoute = "console"
OpenShiftConsoleNamespace = "openshift-console"
)
type TestingContext struct {
Client k8sclient.Client
KubeConfig *rest.Config
KubeClient kubernetes.Interface
ExtensionClient *clientset.Clientset
HttpClient *http.Client
SelfSignedCerts bool
}
type TestingTB interface {
Fail()
Error(args ...interface{})
Errorf(format string, args ...interface{})
FailNow()
Fatal(args ...interface{})
Fatalf(format string, args ...interface{})
Log(args ...interface{})
Logf(format string, args ...interface{})
Failed() bool
Parallel()
Skip(args ...interface{})
Skipf(format string, args ...interface{})
SkipNow()
Skipped() bool
}
// returns job template
func ConnectionJob(container []v1.Container, jobName string, namespace string) *bv1.Job {
return &bv1.Job{
ObjectMeta: metav1.ObjectMeta{
Name: jobName,
Namespace: namespace,
},
Spec: bv1.JobSpec{
Parallelism: Int32Ptr(1),
Completions: Int32Ptr(1),
ActiveDeadlineSeconds: Int64Ptr(300),
BackoffLimit: Int32Ptr(1),
Template: v1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Name: jobName,
},
Spec: v1.PodSpec{
Containers: container,
RestartPolicy: v1.RestartPolicyOnFailure,
},
},
},
}
}
func GetTestDeployment(name string, namespace string) *appsv1.Deployment {
return &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
},
}
}
func GetTestPVC(name string, namespace string) *v1.PersistentVolumeClaim {
return &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
},
}
}
func GetTestService(name string, namespace string) *v1.Service {
return &v1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
},
}
}
func Int32Ptr(i int32) *int32 { return &i }
func Int64Ptr(i int64) *int64 { return &i }
func NewTestingContext(kubeConfig *rest.Config) (*TestingContext, error) {
kubeclient, err := kubernetes.NewForConfig(kubeConfig)
if err != nil {
return nil, fmt.Errorf("failed to build the kubeclient: %v", err)
}
if err := extscheme.AddToScheme(scheme.Scheme); err != nil {
return nil, fmt.Errorf("failed to add api extensions scheme to runtime scheme: (%v)", err)
}
if err := routev1.AddToScheme(scheme.Scheme); err != nil {
return nil, fmt.Errorf("failed to add route scheme to runtime scheme: (%v)", err)
}
if err := integreatlyv1alpha1.AddToScheme(scheme.Scheme); err != nil {
return nil, fmt.Errorf("failed to add integreatly scheme to runtime scheme: (%v)", err)
}
if err := configv1.Install(scheme.Scheme); err != nil {
return nil, fmt.Errorf("failed to add integreatly scheme to runtime scheme: (%v)", err)
}
apiextensions, err := clientset.NewForConfig(kubeConfig)
if err != nil {
return nil, fmt.Errorf("failed to build the apiextension client: %v", err)
}
cachedDiscoveryClient := cached.NewMemCacheClient(kubeclient.Discovery())
restMapper := restmapper.NewDeferredDiscoveryRESTMapper(cachedDiscoveryClient)
restMapper.Reset()
dynClient, err := k8sclient.New(kubeConfig, k8sclient.Options{Scheme: scheme.Scheme, Mapper: restMapper})
if err != nil {
return nil, fmt.Errorf("failed to build the dynamic client: %v", err)
}
urlToCheck := kubeConfig.Host
consoleUrl, err := getConsoleRoute(dynClient)
if err != nil {
return nil, err
}
if consoleUrl != nil {
// use the console url if we can as when the tests are executed inside a pod, the kubeConfig.Host value is the ip address of the pod
urlToCheck = *consoleUrl
}
selfSignedCerts, err := HasSelfSignedCerts(fmt.Sprintf("https://%s", urlToCheck), http.DefaultClient)
if err != nil {
return nil, fmt.Errorf("failed to determine self-signed certs status on cluster: %w", err)
}
httpClient, err := NewTestingHTTPClient(kubeConfig)
if err != nil {
return nil, fmt.Errorf("failed to create testing http client: %v", err)
}
return &TestingContext{
Client: dynClient,
KubeConfig: kubeConfig,
KubeClient: kubeclient,
ExtensionClient: apiextensions,
HttpClient: httpClient,
SelfSignedCerts: selfSignedCerts,
}, nil
}
func NewTestingHTTPClient(kubeConfig *rest.Config) (*http.Client, error) {
selfSignedCerts, err := HasSelfSignedCerts(kubeConfig.Host, http.DefaultClient)
if err != nil {
return nil, fmt.Errorf("failed to determine self-signed certs status on cluster: %w", err)
}
// Create the http client with a cookie jar
jar, err := cookiejar.New(&cookiejar.Options{PublicSuffixList: publicsuffix.List})
if err != nil {
return nil, fmt.Errorf("failed to create new cookie jar: %v", err)
}
transport := &http.Transport{
// #nosec G402 selfSignedCerts is a dynamic value
TLSClientConfig: &tls.Config{InsecureSkipVerify: selfSignedCerts},
}
httpClient := &http.Client{
Jar: jar,
Transport: transport,
CheckRedirect: func(_ *http.Request, _ []*http.Request) error { return nil },
}
return httpClient, nil
}
func HasSelfSignedCerts(url string, httpClient *http.Client) (bool, error) {
if _, err := httpClient.Get(url); err != nil {
if _, ok := errors.Unwrap(err).(x509.UnknownAuthorityError); !ok {
return false, fmt.Errorf("error while performing self-signed certs test request: %w", err)
}
return true, nil
}
return false, nil
}
func getConsoleRoute(client k8sclient.Client) (*string, error) {
route := &routev1.Route{}
if err := client.Get(context.TODO(), types.NamespacedName{Name: OpenShiftConsoleRoute, Namespace: OpenShiftConsoleNamespace}, route); err != nil {
return nil, err
}
if len(route.Status.Ingress) > 0 {
return &route.Status.Ingress[0].Host, nil
}
return nil, nil
}
func WaitForDeployment(t TestingTB, kubeclient kubernetes.Interface, namespace, name string, replicas int,
retryInterval, timeout time.Duration) error {
return waitForDeployment(t, kubeclient, namespace, name, replicas, retryInterval, timeout, false)
}
func waitForDeployment(t TestingTB, kubeclient kubernetes.Interface, namespace, name string, replicas int,
retryInterval, timeout time.Duration, isOperator bool) error {
err := wait.Poll(retryInterval, timeout, func() (done bool, err error) {
deployment, err := kubeclient.AppsV1().Deployments(namespace).Get(context.TODO(), name, metav1.GetOptions{})
if err != nil {
if apierrors.IsNotFound(err) {
t.Logf("Waiting for availability of Deployment: %s in Namespace: %s \n", name, namespace)
return false, nil
}
return false, err
}
if int(deployment.Status.AvailableReplicas) >= replicas {
return true, nil
}
t.Logf("Waiting for full availability of %s deployment (%d/%d)\n", name,
deployment.Status.AvailableReplicas, replicas)
return false, nil
})
if err != nil {
return err
}
t.Logf("Deployment available (%d/%d)\n", replicas, replicas)
return nil
}