templateinstance_cross_namespace.go

package templates

import (
	"fmt"
	"time"

	g "github.com/onsi/ginkgo"
	o "github.com/onsi/gomega"

	kerrors "k8s.io/apimachinery/pkg/api/errors"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/util/wait"
	kapi "k8s.io/kubernetes/pkg/api"
	kapiv1 "k8s.io/kubernetes/pkg/api/v1"

	"github.com/openshift/origin/pkg/api/latest"
	templateapi "github.com/openshift/origin/pkg/template/apis/template"
	exutil "github.com/openshift/origin/test/extended/util"
)

var _ = g.Describe("[templates] templateinstance cross-namespace test", func() {
	defer g.GinkgoRecover()

	var (
		cli  = exutil.NewCLI("templates", exutil.KubeConfigPath())
		cli2 = exutil.NewCLI("templates2", exutil.KubeConfigPath())
	)

	g.It("should create and delete objects across namespaces", func() {
		err := cli2.AsAdmin().Run("adm").Args("policy", "add-role-to-user", "admin", cli.Username()).Execute()
		o.Expect(err).NotTo(o.HaveOccurred())

		// parameters for templateinstance
		_, err = cli.KubeClient().CoreV1().Secrets(cli.Namespace()).Create(&kapiv1.Secret{
			ObjectMeta: metav1.ObjectMeta{
				Name: "secret",
			},
			Data: map[string][]byte{
				"NAMESPACE": []byte(cli2.Namespace()),
			},
		})
		o.Expect(err).NotTo(o.HaveOccurred())

		templateinstance := &templateapi.TemplateInstance{
			ObjectMeta: metav1.ObjectMeta{
				Name: "templateinstance",
			},
			Spec: templateapi.TemplateInstanceSpec{
				Template: templateapi.Template{
					ObjectMeta: metav1.ObjectMeta{
						Name:      "template",
						Namespace: cli.Namespace(),
					},
					Parameters: []templateapi.Parameter{
						{
							Name: "NAMESPACE",
						},
					},
				},
				Secret: &kapi.LocalObjectReference{
					Name: "secret",
				},
			},
		}

		err = templateapi.AddObjectsToTemplate(&templateinstance.Spec.Template, []runtime.Object{
			// secret in the same namespace
			&kapi.Secret{
				ObjectMeta: metav1.ObjectMeta{
					Name: "secret1",
				},
			},
			// secret in a different namespace
			&kapi.Secret{
				ObjectMeta: metav1.ObjectMeta{
					Name:      "secret2",
					Namespace: "${NAMESPACE}",
				},
			},
		}, latest.Versions...)
		o.Expect(err).NotTo(o.HaveOccurred())

		g.By("creating the templateinstance")
		_, err = cli.TemplateClient().Template().TemplateInstances(cli.Namespace()).Create(templateinstance)
		o.Expect(err).NotTo(o.HaveOccurred())

		// wait for templateinstance controller to do its thing
		err = wait.Poll(time.Second, time.Minute, func() (bool, error) {
			templateinstance, err = cli.TemplateClient().Template().TemplateInstances(cli.Namespace()).Get(templateinstance.Name, metav1.GetOptions{})
			if err != nil {
				return false, err
			}

			for _, c := range templateinstance.Status.Conditions {
				if c.Reason == "Failed" && c.Status == kapi.ConditionTrue {
					return false, fmt.Errorf("failed condition: %s", c.Message)
				}
				if c.Reason == "Created" && c.Status == kapi.ConditionTrue {
					return true, nil
				}
			}

			return false, nil
		})
		o.Expect(err).NotTo(o.HaveOccurred())

		_, err = cli.KubeClient().CoreV1().Secrets(cli.Namespace()).Get("secret1", metav1.GetOptions{})
		o.Expect(err).NotTo(o.HaveOccurred())

		_, err = cli.KubeClient().CoreV1().Secrets(cli2.Namespace()).Get("secret2", metav1.GetOptions{})
		o.Expect(err).NotTo(o.HaveOccurred())

		g.By("deleting the templateinstance")
		err = cli.TemplateClient().Template().TemplateInstances(cli.Namespace()).Delete(templateinstance.Name, nil)
		o.Expect(err).NotTo(o.HaveOccurred())

		// wait for garbage collector to do its thing
		err = wait.Poll(time.Second, time.Minute, func() (bool, error) {
			_, err = cli.TemplateClient().Template().TemplateInstances(cli.Namespace()).Get(templateinstance.Name, metav1.GetOptions{})
			if err == nil || !kerrors.IsNotFound(err) {
				return false, err
			}

			_, err = cli.KubeClient().CoreV1().Secrets(cli.Namespace()).Get("secret1", metav1.GetOptions{})
			if err == nil || !kerrors.IsNotFound(err) {
				return false, err
			}

			_, err = cli.KubeClient().CoreV1().Secrets(cli2.Namespace()).Get("secret2", metav1.GetOptions{})
			if err == nil || !kerrors.IsNotFound(err) {
				return false, err
			}

			return true, nil
		})
		o.Expect(err).NotTo(o.HaveOccurred())
	})
})