client/test/e2e/service_export_import_apply...

271 lines
7.9 KiB
Go

// Copyright 2020 The Knative Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build e2e
// +build !eventing
package e2e
import (
"encoding/json"
"testing"
"gotest.tools/assert"
"k8s.io/apimachinery/pkg/util/intstr"
"knative.dev/pkg/ptr"
"sigs.k8s.io/yaml"
"knative.dev/client/lib/test"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
servingv1 "knative.dev/serving/pkg/apis/serving/v1"
)
type expectedServiceOption func(*servingv1.Service)
func TestServiceExportImportApply(t *testing.T) {
t.Parallel()
it, err := test.NewKnTest()
assert.NilError(t, err)
defer func() {
assert.NilError(t, it.Teardown())
}()
r := test.NewKnRunResultCollector(t)
defer r.DumpIfFailed()
t.Log("create service with byo revision")
serviceCreateWithOptions(t, it, r, "hello", "--revision-name", "rev1")
t.Log("export service and compare")
serviceExport(t, it, r, "hello", getSvc(withName("hello"), withRevisionName("hello-rev1"), withAnnotations()), "-o", "json")
t.Log("update service - add env variable")
serviceUpdateWithOptions(t, it, r, "hello", "--env", "key1=val1", "--revision-name", "rev2", "--no-lock-to-digest")
serviceExport(t, it, r, "hello", getSvc(withName("hello"), withRevisionName("hello-rev2"), withEnv("key1", "val1")), "-o", "json")
serviceExportWithRevisions(t, it, r, "hello", getSvcListWithOneRevision(), "--with-revisions", "-o", "yaml")
t.Log("update service with tag and split traffic")
serviceUpdateWithOptions(t, it, r, "hello", "--tag", "hello-rev1=candidate", "--traffic", "candidate=2%,@latest=98%")
serviceExportWithRevisions(t, it, r, "hello", getSvcListWithTags(), "--with-revisions", "-o", "yaml")
t.Log("update service - untag, add env variable and traffic split")
serviceUpdateWithOptions(t, it, r, "hello", "--untag", "candidate")
serviceUpdateWithOptions(t, it, r, "hello", "--env", "key2=val2", "--revision-name", "rev3", "--traffic", "hello-rev1=30,hello-rev2=30,hello-rev3=40")
serviceExportWithRevisions(t, it, r, "hello", getSvcListWOTags(), "--with-revisions", "-o", "yaml")
}
// Private methods
func serviceExport(t *testing.T, it *test.KnTest, r *test.KnRunResultCollector, serviceName string, expService servingv1.Service, options ...string) {
command := []string{"service", "export", serviceName}
command = append(command, options...)
out := it.Kn().Run(command...)
validateExportedService(t, it, out.Stdout, expService)
r.AssertNoError(out)
}
func serviceExportWithRevisions(t *testing.T, it *test.KnTest, r *test.KnRunResultCollector, serviceName string, expServiceList servingv1.ServiceList, options ...string) {
command := []string{"service", "export", serviceName}
command = append(command, options...)
out := it.Kn().Run(command...)
validateExportedServiceList(t, it, out.Stdout, expServiceList)
r.AssertNoError(out)
}
// Private functions
func validateExportedService(t *testing.T, it *test.KnTest, out string, expService servingv1.Service) {
actSvcJSON := servingv1.Service{}
err := json.Unmarshal([]byte(out), &actSvcJSON)
assert.NilError(t, err)
assert.DeepEqual(t, &expService, &actSvcJSON)
}
func validateExportedServiceList(t *testing.T, it *test.KnTest, out string, expServiceList servingv1.ServiceList) {
actYaml := servingv1.ServiceList{}
err := yaml.Unmarshal([]byte(out), &actYaml)
assert.NilError(t, err)
assert.DeepEqual(t, &expServiceList, &actYaml)
}
func getSvc(options ...expectedServiceOption) servingv1.Service {
svc := servingv1.Service{
Spec: servingv1.ServiceSpec{
ConfigurationSpec: servingv1.ConfigurationSpec{
Template: servingv1.RevisionTemplateSpec{
Spec: servingv1.RevisionSpec{
ContainerConcurrency: ptr.Int64(int64(0)),
TimeoutSeconds: ptr.Int64(int64(300)),
PodSpec: corev1.PodSpec{
Containers: []corev1.Container{
{
Name: "user-container",
Image: test.KnDefaultTestImage,
Resources: corev1.ResourceRequirements{},
ReadinessProbe: &corev1.Probe{
SuccessThreshold: int32(1),
Handler: corev1.Handler{
TCPSocket: &corev1.TCPSocketAction{
Port: intstr.FromInt(0),
},
},
},
},
},
},
},
},
},
},
TypeMeta: metav1.TypeMeta{
Kind: "Service",
APIVersion: "serving.knative.dev/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "",
},
}
for _, fn := range options {
fn(&svc)
}
return svc
}
func getSvcListWOTags() servingv1.ServiceList {
return servingv1.ServiceList{
TypeMeta: metav1.TypeMeta{
APIVersion: "v1",
Kind: "List",
},
Items: []servingv1.Service{
getSvc(
withName("hello"),
withRevisionName("hello-rev1"),
),
getSvc(
withName("hello"),
withRevisionName("hello-rev2"),
withEnv("key1", "val1"),
),
getSvc(
withName("hello"),
withRevisionName("hello-rev3"),
withEnv("key1", "val1"), withEnv("key2", "val2"),
withTrafficSplit([]string{"hello-rev1", "hello-rev2", "hello-rev3"}, []int{30, 30, 40}, []string{"", "", ""}),
),
},
}
}
func getSvcListWithTags() servingv1.ServiceList {
return servingv1.ServiceList{
TypeMeta: metav1.TypeMeta{
APIVersion: "v1",
Kind: "List",
},
Items: []servingv1.Service{
getSvc(
withName("hello"),
withRevisionName("hello-rev1"),
),
getSvc(
withName("hello"),
withRevisionName("hello-rev2"),
withEnv("key1", "val1"),
withTrafficSplit([]string{"latest", "hello-rev1"}, []int{98, 2}, []string{"", "candidate"}),
),
},
}
}
func getSvcListWithOneRevision() servingv1.ServiceList {
return servingv1.ServiceList{
TypeMeta: metav1.TypeMeta{
APIVersion: "v1",
Kind: "List",
},
Items: []servingv1.Service{
getSvc(
withName("hello"),
withRevisionName("hello-rev2"),
withEnv("key1", "val1"),
),
},
}
}
func withRevisionName(revName string) expectedServiceOption {
return func(svc *servingv1.Service) {
svc.Spec.ConfigurationSpec.Template.ObjectMeta.Name = revName
}
}
func withAnnotations() expectedServiceOption {
return func(svc *servingv1.Service) {
svc.Spec.ConfigurationSpec.Template.ObjectMeta.Annotations = map[string]string{
"client.knative.dev/user-image": "gcr.io/knative-samples/helloworld-go",
}
}
}
func withName(name string) expectedServiceOption {
return func(svc *servingv1.Service) {
svc.ObjectMeta.Name = name
}
}
func withEnv(key string, val string) expectedServiceOption {
return func(svc *servingv1.Service) {
env := []corev1.EnvVar{
{
Name: key,
Value: val,
},
}
currentEnv := svc.Spec.ConfigurationSpec.Template.Spec.PodSpec.Containers[0].Env
if len(currentEnv) > 0 {
svc.Spec.ConfigurationSpec.Template.Spec.PodSpec.Containers[0].Env = append(currentEnv, env...)
} else {
svc.Spec.ConfigurationSpec.Template.Spec.PodSpec.Containers[0].Env = env
}
}
}
func withTrafficSplit(revisions []string, percentages []int, tags []string) expectedServiceOption {
return func(svc *servingv1.Service) {
var trafficTargets []servingv1.TrafficTarget
for i, rev := range revisions {
trafficTargets = append(trafficTargets, servingv1.TrafficTarget{
Percent: ptr.Int64(int64(percentages[i])),
})
if tags[i] != "" {
trafficTargets[i].Tag = tags[i]
}
if rev == "latest" {
trafficTargets[i].LatestRevision = ptr.Bool(true)
} else {
trafficTargets[i].RevisionName = rev
trafficTargets[i].LatestRevision = ptr.Bool(false)
}
}
svc.Spec.RouteSpec = servingv1.RouteSpec{
Traffic: trafficTargets,
}
}
}