flagger/pkg/router/router_test.go

140 lines
3.3 KiB
Go

package router
import (
"github.com/stefanprodan/flagger/pkg/apis/flagger/v1alpha3"
istiov1alpha3 "github.com/stefanprodan/flagger/pkg/apis/istio/v1alpha3"
clientset "github.com/stefanprodan/flagger/pkg/client/clientset/versioned"
fakeFlagger "github.com/stefanprodan/flagger/pkg/client/clientset/versioned/fake"
"github.com/stefanprodan/flagger/pkg/logging"
"go.uber.org/zap"
appsv1 "k8s.io/api/apps/v1"
hpav1 "k8s.io/api/autoscaling/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/fake"
)
type fakeClients struct {
canary *v1alpha3.Canary
kubeClient kubernetes.Interface
istioClient clientset.Interface
flaggerClient clientset.Interface
logger *zap.SugaredLogger
}
func setupfakeClients() fakeClients {
canary := newMockCanary()
flaggerClient := fakeFlagger.NewSimpleClientset(canary)
kubeClient := fake.NewSimpleClientset(
newMockDeployment(),
)
istioClient := fakeFlagger.NewSimpleClientset()
logger, _ := logging.NewLogger("debug")
return fakeClients{
canary: canary,
kubeClient: kubeClient,
istioClient: istioClient,
flaggerClient: flaggerClient,
logger: logger,
}
}
func newMockCanary() *v1alpha3.Canary {
cd := &v1alpha3.Canary{
TypeMeta: metav1.TypeMeta{APIVersion: v1alpha3.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo",
},
Spec: v1alpha3.CanarySpec{
TargetRef: hpav1.CrossVersionObjectReference{
Name: "podinfo",
APIVersion: "apps/v1",
Kind: "Deployment",
},
Service: v1alpha3.CanaryService{
Port: 9898,
Headers: &istiov1alpha3.Headers{
Request: &istiov1alpha3.HeaderOperations{
Add: map[string]string{
"x-envoy-upstream-rq-timeout-ms": "15000",
},
},
},
CorsPolicy: &istiov1alpha3.CorsPolicy{
AllowMethods: []string{
"GET",
"POST",
},
},
}, CanaryAnalysis: v1alpha3.CanaryAnalysis{
Threshold: 10,
StepWeight: 10,
MaxWeight: 50,
Metrics: []v1alpha3.CanaryMetric{
{
Name: "istio_requests_total",
Threshold: 99,
Interval: "1m",
},
{
Name: "istio_request_duration_seconds_bucket",
Threshold: 500,
Interval: "1m",
},
},
},
},
}
return cd
}
func newMockDeployment() *appsv1.Deployment {
d := &appsv1.Deployment{
TypeMeta: metav1.TypeMeta{APIVersion: appsv1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo",
},
Spec: appsv1.DeploymentSpec{
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"app": "podinfo",
},
},
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"app": "podinfo",
},
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Name: "podinfo",
Image: "quay.io/stefanprodan/podinfo:1.4.0",
Command: []string{
"./podinfo",
"--port=9898",
},
Ports: []corev1.ContainerPort{
{
Name: "http",
ContainerPort: 9898,
Protocol: corev1.ProtocolTCP,
},
},
},
},
},
},
},
}
return d
}