/
fixture.go
113 lines (97 loc) · 2.72 KB
/
fixture.go
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package fixture
import (
"context"
"fmt"
corev1 "k8s.io/api/core/v1"
apiextension "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/config"
topologyclientset "github.com/k8stopologyawareschedwg/noderesourcetopology-api/pkg/generated/clientset/versioned"
)
var fxt Fixture
var initialized bool
type Fixture struct {
Ctx context.Context
Cli client.Client
K8SCli *kubernetes.Clientset
TopoCli *topologyclientset.Clientset
ApiExt *apiextension.Clientset
NS *corev1.Namespace
}
func New() *Fixture {
// important so we keep the same context across the suite run
if initialized {
return &fxt
}
fxt.Ctx = context.Background()
cfg, err := config.GetConfig()
if err != nil {
klog.Exit(err.Error())
}
if err := initK8SClient(cfg); err != nil {
klog.Exit(err.Error())
}
if err := initClient(cfg); err != nil {
klog.Exit(err.Error())
}
if err := initTopologyClient(cfg); err != nil {
klog.Exit(err.Error())
}
if err := initApiExtensionClient(cfg); err != nil {
klog.Exit(err.Error())
}
initialized = true
return &fxt
}
func initClient(cfg *rest.Config) error {
var err error
fxt.Cli, err = client.New(cfg, client.Options{})
return err
}
func initK8SClient(cfg *rest.Config) error {
var err error
fxt.K8SCli, err = kubernetes.NewForConfig(cfg)
return err
}
func initTopologyClient(cfg *rest.Config) error {
var err error
fxt.TopoCli, err = topologyclientset.NewForConfig(cfg)
return err
}
func initApiExtensionClient(cfg *rest.Config) error {
var err error
fxt.ApiExt, err = apiextension.NewForConfig(cfg)
return err
}
// CreateNamespace creates a namespace with the given prefix
// and return a cleanup function for the newly created namespace
func (fxt *Fixture) CreateNamespace(prefix string) (func() error, error) {
ns := &corev1.Namespace{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "rte-e2e-testing-" + prefix + "-",
Labels: map[string]string{
"security.openshift.io/scc.podSecurityLabelSync": "false",
"pod-security.kubernetes.io/audit": "privileged",
"pod-security.kubernetes.io/enforce": "privileged",
"pod-security.kubernetes.io/warn": "privileged",
},
},
}
err := fxt.Cli.Create(fxt.Ctx, ns)
if err != nil {
return nil, fmt.Errorf("failed to create namespace %s; %w", ns.Name, err)
}
fxt.NS = ns
cleanFunc := func() error {
err = fxt.Cli.Delete(fxt.Ctx, ns)
if err != nil {
return fmt.Errorf("failed to delete namespace %s; %w", ns.Name, err)
}
return nil
}
return cleanFunc, nil
}