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/
template.go
140 lines (120 loc) · 4.01 KB
/
template.go
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package templates
import (
"io/ioutil"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/client-go/rest"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/client-go/dynamic"
g "github.com/onsi/ginkgo"
o "github.com/onsi/gomega"
templateapi "github.com/openshift/api/template/v1"
"github.com/openshift/library-go/pkg/template/templateprocessingclient"
exutil "github.com/openshift/openshift-tests/test/extended/util"
)
var _ = g.Describe("[Conformance][templates] template-api", func() {
defer g.GinkgoRecover()
oc := exutil.NewCLI("templates", exutil.KubeConfigPath())
g.It("TestTemplate", func() {
g.Skip("Bug 1731222: skip template tests until we determine what is broken")
t := g.GinkgoT()
for _, version := range []schema.GroupVersion{corev1.SchemeGroupVersion} {
config := rest.CopyConfig(oc.AdminConfig())
config.GroupVersion = &version
template := &templateapi.Template{
Parameters: []templateapi.Parameter{
{
Name: "NAME",
Value: "test",
},
},
}
corev1Scheme := runtime.NewScheme()
utilruntime.Must(corev1.AddToScheme(corev1Scheme))
corev1Codec := serializer.NewCodecFactory(corev1Scheme).LegacyCodec(corev1.SchemeGroupVersion)
template.Objects = append(template.Objects, runtime.RawExtension{
Raw: []byte(runtime.EncodeOrDie(corev1Codec, &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "${NAME}-tester",
Namespace: "somevalue",
},
Spec: corev1.ServiceSpec{
ClusterIP: "1.2.3.4",
SessionAffinity: "some-bad-${VALUE}",
},
})),
})
dynamicClient, err := dynamic.NewForConfig(config)
if err != nil {
t.Fatal(err)
}
obj, err := templateprocessingclient.NewDynamicTemplateProcessor(dynamicClient).ProcessToList(template)
if err != nil {
t.Fatal(err)
}
if len(obj.Items) != 1 {
t.Fatalf("unexpected object: %#v", obj)
}
svc := obj.Items[0].Object
spec := svc["spec"].(map[string]interface{})
meta := svc["metadata"].(map[string]interface{})
// keep existing values
if spec["clusterIP"] != "1.2.3.4" {
t.Fatalf("unexpected object: %#v", svc)
}
// replace a value
if meta["name"] != "test-tester" {
t.Fatalf("unexpected object: %#v", svc)
}
// clear namespace
if _, ok := meta["namespace"]; ok {
t.Fatalf("unexpected object: %#v", svc)
}
// preserve values exactly
if spec["sessionAffinity"] != "some-bad-${VALUE}" {
t.Fatalf("unexpected object: %#v", svc)
}
}
})
})
var _ = g.Describe("[Conformance][templates] template-api", func() {
defer g.GinkgoRecover()
oc := exutil.NewCLI("templates", exutil.KubeConfigPath())
g.It("TestTemplateTransformationFromConfig", func() {
g.Skip("Bug 1731222: skip template tests until we determine what is broken")
t := g.GinkgoT()
clusterAdminClientConfig := oc.AdminConfig()
templateFixtures := []string{
exutil.FixturePath("testdata", "templates", "crunchydata-pod.json"),
exutil.FixturePath("testdata", "templates", "guestbook.json"),
exutil.FixturePath("testdata", "templates", "guestbook_list.json"),
}
for _, path := range templateFixtures {
data, err := ioutil.ReadFile(path)
o.Expect(err).NotTo(o.HaveOccurred())
template, err := runtime.Decode(unstructured.UnstructuredJSONScheme, data)
if err != nil {
t.Errorf("%q: %v", path, err)
return
}
dynamicClient, err := dynamic.NewForConfig(clusterAdminClientConfig)
if err != nil {
t.Errorf("%q: %v", path, err)
return
}
processedList, err := templateprocessingclient.NewDynamicTemplateProcessor(dynamicClient).ProcessToListFromUnstructured(template.(*unstructured.Unstructured))
if err != nil {
t.Errorf("%q: %v", path, err)
return
}
if len(processedList.Items) == 0 {
t.Errorf("%q: no items in config object", path)
return
}
}
})
})