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templateinstance_cross_namespace.go
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templateinstance_cross_namespace.go
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package templates
import (
"errors"
"fmt"
"time"
g "github.com/onsi/ginkgo"
o "github.com/onsi/gomega"
kapiv1 "k8s.io/api/core/v1"
kerrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/kubernetes/pkg/api/legacyscheme"
kapi "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/test/e2e/framework"
templateapi "github.com/openshift/origin/pkg/template/apis/template"
exutil "github.com/openshift/origin/test/extended/util"
)
var _ = g.Describe("[Conformance][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 = 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}",
},
},
}, legacyscheme.Scheme.PrioritizedVersionsAllGroups()...)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("creating the templateinstance")
_, err = cli.InternalTemplateClient().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.InternalTemplateClient().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())
framework.Logf("Template Instance object: %#v", templateinstance)
_, 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")
foreground := metav1.DeletePropagationForeground
err = cli.InternalTemplateClient().Template().TemplateInstances(cli.Namespace()).Delete(templateinstance.Name, &metav1.DeleteOptions{PropagationPolicy: &foreground})
o.Expect(err).NotTo(o.HaveOccurred())
// wait for garbage collector to do its thing
err = wait.Poll(100*time.Millisecond, 30*time.Second, func() (bool, error) {
_, err = cli.InternalTemplateClient().Template().TemplateInstances(cli.Namespace()).Get(templateinstance.Name, metav1.GetOptions{})
if kerrors.IsNotFound(err) {
return true, nil
}
return false, err
})
o.Expect(err).NotTo(o.HaveOccurred())
_, err = cli.KubeClient().CoreV1().Secrets(cli.Namespace()).Get("secret1", metav1.GetOptions{})
o.Expect(kerrors.IsNotFound(err)).To(o.BeTrue())
_, err = cli.KubeClient().CoreV1().Secrets(cli2.Namespace()).Get("secret2", metav1.GetOptions{})
o.Expect(kerrors.IsNotFound(err)).To(o.BeTrue())
})
})
// AddObjectsToTemplate adds the objects to the template using the target versions to choose the conversion destination
func addObjectsToTemplate(template *templateapi.Template, objects []runtime.Object, targetVersions ...schema.GroupVersion) error {
for i := range objects {
obj := objects[i]
if obj == nil {
return errors.New("cannot add a nil object to a template")
}
// We currently add legacy types first to the scheme, followed by the types in the new api
// groups. We have to check all ObjectKinds and not just use the first one returned by
// ObjectKind().
gvks, _, err := legacyscheme.Scheme.ObjectKinds(obj)
if err != nil {
return err
}
var targetVersion *schema.GroupVersion
outerLoop:
for j := range targetVersions {
possibleVersion := targetVersions[j]
for _, kind := range gvks {
if kind.Group == possibleVersion.Group {
targetVersion = &possibleVersion
break outerLoop
}
}
}
if targetVersion == nil {
return fmt.Errorf("no target version found for object[%d], gvks %v in %v", i, gvks, targetVersions)
}
wrappedObject := runtime.NewEncodable(legacyscheme.Codecs.LegacyCodec(*targetVersion), obj)
template.Objects = append(template.Objects, wrappedObject)
}
return nil
}