Files
flagger/pkg/canary/daemonset_fixture_test.go
T
2020-12-21 19:44:52 +02:00

720 lines
19 KiB
Go

/*
Copyright 2020 The Flux 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.
*/
package canary
import (
"go.uber.org/zap"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/fake"
flaggerv1 "github.com/fluxcd/flagger/pkg/apis/flagger/v1beta1"
clientset "github.com/fluxcd/flagger/pkg/client/clientset/versioned"
fakeFlagger "github.com/fluxcd/flagger/pkg/client/clientset/versioned/fake"
"github.com/fluxcd/flagger/pkg/logger"
)
type daemonSetControllerFixture struct {
canary *flaggerv1.Canary
kubeClient kubernetes.Interface
flaggerClient clientset.Interface
controller DaemonSetController
logger *zap.SugaredLogger
}
type daemonsetConfigs struct {
name string
labelValue string
label string
}
func newDaemonSetFixture(dc daemonsetConfigs) daemonSetControllerFixture {
// init canary
canary := newDaemonSetControllerTestCanary(dc)
flaggerClient := fakeFlagger.NewSimpleClientset(canary)
// init kube clientset and register mock objects
kubeClient := fake.NewSimpleClientset(
newDaemonSetControllerTestPodInfo(dc),
newDaemonSetControllerTestConfigMap(),
newDaemonSetControllerTestConfigMapEnv(),
newDaemonSetControllerTestConfigMapVol(),
newDaemonSetControllerTestConfigProjected(),
newDaemonSetControllerTestConfigMapTrackerEnabled(),
newDaemonSetControllerTestConfigMapTrackerDisabled(),
newDaemonSetControllerTestSecret(),
newDaemonSetControllerTestSecretEnv(),
newDaemonSetControllerTestSecretVol(),
newDaemonSetControllerTestSecretProjected(),
newDaemonSetControllerTestSecretTrackerEnabled(),
newDaemonSetControllerTestSecretTrackerDisabled(),
)
logger, _ := logger.NewLogger("debug")
ctrl := DaemonSetController{
flaggerClient: flaggerClient,
kubeClient: kubeClient,
logger: logger,
labels: []string{"app", "name"},
configTracker: &ConfigTracker{
Logger: logger,
KubeClient: kubeClient,
FlaggerClient: flaggerClient,
},
}
return daemonSetControllerFixture{
canary: canary,
controller: ctrl,
logger: logger,
flaggerClient: flaggerClient,
kubeClient: kubeClient,
}
}
func newDaemonSetControllerTestConfigMap() *corev1.ConfigMap {
return &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-config-env",
},
Data: map[string]string{
"color": "red",
},
}
}
func newDaemonSetControllerTestConfigMapV2() *corev1.ConfigMap {
return &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-config-env",
},
Data: map[string]string{
"color": "blue",
"output": "console",
},
}
}
func newDaemonSetControllerTestConfigProjected() *corev1.ConfigMap {
return &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-config-projected",
},
Data: map[string]string{
"color": "red",
},
}
}
func newDaemonSetControllerTestConfigMapEnv() *corev1.ConfigMap {
return &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-config-all-env",
},
Data: map[string]string{
"color": "red",
},
}
}
func newDaemonSetControllerTestConfigMapVol() *corev1.ConfigMap {
return &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-config-vol",
},
Data: map[string]string{
"color": "red",
},
}
}
func newDaemonSetControllerTestConfigMapTrackerEnabled() *corev1.ConfigMap {
return &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-config-tracker-enabled",
Annotations: map[string]string{
"unrelated-annotation-1": ":)",
"flagger.app/config-tracking": "enabled",
"unrelated-annotation-2": "<3",
},
},
Data: map[string]string{
"color": "red",
},
}
}
func newDaemonSetControllerTestConfigMapTrackerDisabled() *corev1.ConfigMap {
return &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-config-tracker-disabled",
Annotations: map[string]string{
"unrelated-annotation-1": "c:",
"flagger.app/config-tracking": "disabled",
"unrelated-annotation-2": "^-^",
},
},
Data: map[string]string{
"color": "red",
},
}
}
func newDaemonSetControllerTestSecret() *corev1.Secret {
return &corev1.Secret{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-secret-env",
},
Type: corev1.SecretTypeOpaque,
Data: map[string][]byte{
"apiKey": []byte("test"),
},
}
}
func newDaemonSetControllerTestSecretProjected() *corev1.Secret {
return &corev1.Secret{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-secret-projected",
},
Type: corev1.SecretTypeOpaque,
Data: map[string][]byte{
"apiKey": []byte("test"),
},
}
}
func newDaemonSetControllerTestSecretEnv() *corev1.Secret {
return &corev1.Secret{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-secret-all-env",
},
Type: corev1.SecretTypeOpaque,
Data: map[string][]byte{
"apiKey": []byte("test"),
},
}
}
func newDaemonSetControllerTestSecretVol() *corev1.Secret {
return &corev1.Secret{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-secret-vol",
},
Type: corev1.SecretTypeOpaque,
Data: map[string][]byte{
"apiKey": []byte("test"),
},
}
}
func newDaemonSetControllerTestSecretTrackerEnabled() *corev1.Secret {
return &corev1.Secret{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-secret-tracker-enabled",
Annotations: map[string]string{
"unrelated-annotation-1": ":)",
"flagger.app/config-tracking": "enabled",
"unrelated-annotation-2": "<3",
},
},
Type: corev1.SecretTypeOpaque,
Data: map[string][]byte{
"apiKey": []byte("test"),
},
}
}
func newDaemonSetControllerTestSecretTrackerDisabled() *corev1.Secret {
return &corev1.Secret{
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo-secret-tracker-disabled",
Annotations: map[string]string{
"unrelated-annotation-1": "c:",
"flagger.app/config-tracking": "disabled",
"unrelated-annotation-2": "^-^",
},
},
Type: corev1.SecretTypeOpaque,
Data: map[string][]byte{
"apiKey": []byte("test"),
},
}
}
func newDaemonSetControllerTestCanary(dc daemonsetConfigs) *flaggerv1.Canary {
cd := &flaggerv1.Canary{
TypeMeta: metav1.TypeMeta{APIVersion: flaggerv1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo",
},
Spec: flaggerv1.CanarySpec{
TargetRef: flaggerv1.CrossNamespaceObjectReference{
Name: dc.name,
APIVersion: "apps/v1",
Kind: "DaemonSet",
},
},
}
return cd
}
func newDaemonSetControllerTestPodInfo(dc daemonsetConfigs) *appsv1.DaemonSet {
d := &appsv1.DaemonSet{
TypeMeta: metav1.TypeMeta{APIVersion: appsv1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: dc.name,
},
Spec: appsv1.DaemonSetSpec{
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{
dc.label: dc.labelValue,
},
},
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
dc.label: dc.labelValue,
},
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Name: "podinfo",
Image: "quay.io/stefanprodan/podinfo:1.2.0",
Command: []string{
"./podinfo",
"--port=9898",
},
Resources: corev1.ResourceRequirements{
Requests: corev1.ResourceList{
corev1.ResourceCPU: *resource.NewQuantity(1000, resource.DecimalExponent),
},
},
Args: nil,
WorkingDir: "",
Ports: []corev1.ContainerPort{
{
Name: "http",
ContainerPort: 9898,
Protocol: corev1.ProtocolTCP,
},
},
Env: []corev1.EnvVar{
{
Name: "PODINFO_UI_COLOR",
ValueFrom: &corev1.EnvVarSource{
ConfigMapKeyRef: &corev1.ConfigMapKeySelector{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-env",
},
Key: "color",
},
},
},
{
Name: "API_KEY",
ValueFrom: &corev1.EnvVarSource{
SecretKeyRef: &corev1.SecretKeySelector{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-secret-env",
},
Key: "apiKey",
},
},
},
},
EnvFrom: []corev1.EnvFromSource{
{
ConfigMapRef: &corev1.ConfigMapEnvSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-all-env",
},
},
},
{
SecretRef: &corev1.SecretEnvSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-secret-all-env",
},
},
},
},
VolumeMounts: []corev1.VolumeMount{
{
Name: "config",
MountPath: "/etc/podinfo/config",
ReadOnly: true,
},
{
Name: "secret",
MountPath: "/etc/podinfo/secret",
ReadOnly: true,
},
{
Name: "config-tracker-enabled",
MountPath: "/etc/podinfo/config-tracker-enabled",
ReadOnly: true,
},
{
Name: "config-tracker-disabled",
MountPath: "/etc/podinfo/config-tracker-disabled",
ReadOnly: true,
},
{
Name: "secret-tracker-enabled",
MountPath: "/etc/podinfo/secret-tracker-enabled",
ReadOnly: true,
},
{
Name: "secret-tracker-disabled",
MountPath: "/etc/podinfo/secret-tracker-disabled",
ReadOnly: true,
},
},
},
},
Volumes: []corev1.Volume{
{
Name: "config",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-vol",
},
},
},
},
{
Name: "secret",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: "podinfo-secret-vol",
},
},
},
{
Name: "projected",
VolumeSource: corev1.VolumeSource{
Projected: &corev1.ProjectedVolumeSource{
Sources: []corev1.VolumeProjection{
{
ConfigMap: &corev1.ConfigMapProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-projected",
},
Items: []corev1.KeyToPath{
{
Key: "color",
Path: "my-group/my-color",
},
},
},
},
{
Secret: &corev1.SecretProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-secret-projected",
},
Items: []corev1.KeyToPath{
{
Key: "apiKey",
Path: "my-group/my-api-key",
},
},
},
},
},
},
},
},
{
Name: "config-tracker-enabled",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-tracker-enabled",
},
},
},
},
{
Name: "config-tracker-disabled",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-tracker-disabled",
},
},
},
},
{
Name: "secret-tracker-enabled",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: "podinfo-secret-tracker-enabled",
},
},
},
{
Name: "secret-tracker-disabled",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: "podinfo-secret-tracker-disabled",
},
},
},
},
},
},
},
}
return d
}
func newDaemonSetControllerTestPodInfoV2() *appsv1.DaemonSet {
d := &appsv1.DaemonSet{
TypeMeta: metav1.TypeMeta{APIVersion: appsv1.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "podinfo",
},
Spec: appsv1.DaemonSetSpec{
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"name": "podinfo",
},
},
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"name": "podinfo",
},
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Name: "podinfo",
Image: "quay.io/stefanprodan/podinfo:1.2.1",
Ports: []corev1.ContainerPort{
{
Name: "http",
ContainerPort: 9898,
Protocol: corev1.ProtocolTCP,
},
},
Command: []string{
"./podinfo",
"--port=9898",
},
Env: []corev1.EnvVar{
{
Name: "PODINFO_UI_COLOR",
ValueFrom: &corev1.EnvVarSource{
ConfigMapKeyRef: &corev1.ConfigMapKeySelector{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-env",
},
Key: "color",
},
},
},
{
Name: "API_KEY",
ValueFrom: &corev1.EnvVarSource{
SecretKeyRef: &corev1.SecretKeySelector{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-secret-env",
},
Key: "apiKey",
},
},
},
},
EnvFrom: []corev1.EnvFromSource{
{
ConfigMapRef: &corev1.ConfigMapEnvSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-all-env",
},
},
},
},
VolumeMounts: []corev1.VolumeMount{
{
Name: "config",
MountPath: "/etc/podinfo/config",
ReadOnly: true,
},
{
Name: "secret",
MountPath: "/etc/podinfo/secret",
ReadOnly: true,
},
{
Name: "config-tracker-enabled",
MountPath: "/etc/podinfo/config-tracker-enabled",
ReadOnly: true,
},
{
Name: "config-tracker-disabled",
MountPath: "/etc/podinfo/config-tracker-disabled",
ReadOnly: true,
},
{
Name: "secret-tracker-enabled",
MountPath: "/etc/podinfo/secret-tracker-enabled",
ReadOnly: true,
},
{
Name: "secret-tracker-disabled",
MountPath: "/etc/podinfo/secret-tracker-disabled",
ReadOnly: true,
},
},
},
},
Volumes: []corev1.Volume{
{
Name: "config",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-vol",
},
},
},
},
{
Name: "secret",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: "podinfo-secret-vol",
},
},
},
{
Name: "projected",
VolumeSource: corev1.VolumeSource{
Projected: &corev1.ProjectedVolumeSource{
Sources: []corev1.VolumeProjection{
{
ConfigMap: &corev1.ConfigMapProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-projected",
},
Items: []corev1.KeyToPath{
{
Key: "color",
Path: "my-group/my-color",
},
},
},
},
{
Secret: &corev1.SecretProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-secret-projected",
},
Items: []corev1.KeyToPath{
{
Key: "apiKey",
Path: "my-group/my-api-key",
},
},
},
},
},
},
},
},
{
Name: "config-tracker-enabled",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-tracker-enabled",
},
},
},
},
{
Name: "config-tracker-disabled",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "podinfo-config-tracker-disabled",
},
},
},
},
{
Name: "secret-tracker-enabled",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: "podinfo-secret-tracker-enabled",
},
},
},
{
Name: "secret-tracker-disabled",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: "podinfo-secret-tracker-disabled",
},
},
},
},
},
},
},
}
return d
}