mirror of
https://github.com/fluxcd/flagger.git
synced 2026-03-27 13:56:53 +00:00
685 lines
18 KiB
Go
685 lines
18 KiB
Go
/*
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Copyright 2020 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controller
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import (
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"sync"
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"time"
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"go.uber.org/zap"
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appsv1 "k8s.io/api/apps/v1"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/intstr"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/fake"
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"k8s.io/client-go/tools/record"
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"k8s.io/client-go/util/workqueue"
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flaggerv1 "github.com/fluxcd/flagger/pkg/apis/flagger/v1beta1"
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istiov1alpha1 "github.com/fluxcd/flagger/pkg/apis/istio/common/v1alpha1"
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istiov1alpha3 "github.com/fluxcd/flagger/pkg/apis/istio/v1alpha3"
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"github.com/fluxcd/flagger/pkg/canary"
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clientset "github.com/fluxcd/flagger/pkg/client/clientset/versioned"
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fakeFlagger "github.com/fluxcd/flagger/pkg/client/clientset/versioned/fake"
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informers "github.com/fluxcd/flagger/pkg/client/informers/externalversions"
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"github.com/fluxcd/flagger/pkg/logger"
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"github.com/fluxcd/flagger/pkg/metrics"
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"github.com/fluxcd/flagger/pkg/metrics/observers"
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"github.com/fluxcd/flagger/pkg/notifier"
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"github.com/fluxcd/flagger/pkg/router"
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)
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type daemonSetFixture struct {
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canary *flaggerv1.Canary
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kubeClient kubernetes.Interface
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meshClient clientset.Interface
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flaggerClient clientset.Interface
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deployer canary.Controller
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ctrl *Controller
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logger *zap.SugaredLogger
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router router.Interface
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}
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func newDaemonSetFixture(c *flaggerv1.Canary) daemonSetFixture {
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if c == nil {
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c = newDaemonSetTestCanary()
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}
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// init Flagger clientset and register objects
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flaggerClient := fakeFlagger.NewSimpleClientset(
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c,
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newDaemonSetTestMetricTemplate(),
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newDaemonSetTestAlertProvider(),
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)
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// init Kubernetes clientset and register objects
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kubeClient := fake.NewSimpleClientset(
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newDaemonSetTestDaemonSet(),
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newDaemonSetTestService(),
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newDaemonSetTestConfigMap(),
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newDaemonSetTestConfigMapEnv(),
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newDaemonSetTestConfigMapVol(),
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newDaemonSetTestSecret(),
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newDaemonSetTestSecretEnv(),
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newDaemonSetTestSecretVol(),
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newDaemonSetTestAlertProviderSecret(),
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)
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logger, _ := logger.NewLogger("debug")
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// init controller
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flaggerInformerFactory := informers.NewSharedInformerFactory(flaggerClient, 0)
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fi := Informers{
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CanaryInformer: flaggerInformerFactory.Flagger().V1beta1().Canaries(),
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MetricInformer: flaggerInformerFactory.Flagger().V1beta1().MetricTemplates(),
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AlertInformer: flaggerInformerFactory.Flagger().V1beta1().AlertProviders(),
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}
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// init router
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rf := router.NewFactory(nil, kubeClient, flaggerClient, "annotationsPrefix", "", logger, flaggerClient)
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// init observer
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observerFactory, _ := observers.NewFactory(testMetricsServerURL)
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// init canary factory
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configTracker := &canary.ConfigTracker{
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Logger: logger,
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KubeClient: kubeClient,
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FlaggerClient: flaggerClient,
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}
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canaryFactory := canary.NewFactory(kubeClient, flaggerClient, configTracker, []string{"app", "name"}, []string{""}, logger)
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ctrl := &Controller{
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kubeClient: kubeClient,
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flaggerClient: flaggerClient,
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flaggerInformers: fi,
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flaggerSynced: fi.CanaryInformer.Informer().HasSynced,
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workqueue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), controllerAgentName),
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eventRecorder: &record.FakeRecorder{},
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logger: logger,
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canaries: new(sync.Map),
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flaggerWindow: time.Second,
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canaryFactory: canaryFactory,
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observerFactory: observerFactory,
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recorder: metrics.NewRecorder(controllerAgentName, false),
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routerFactory: rf,
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notifier: ¬ifier.NopNotifier{},
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}
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ctrl.flaggerSynced = alwaysReady
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ctrl.flaggerInformers.CanaryInformer.Informer().GetIndexer().Add(c)
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ctrl.flaggerInformers.MetricInformer.Informer().GetIndexer().Add(newDaemonSetTestMetricTemplate())
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ctrl.flaggerInformers.AlertInformer.Informer().GetIndexer().Add(newDaemonSetTestAlertProvider())
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meshRouter := rf.MeshRouter("istio", "")
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return daemonSetFixture{
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canary: c,
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deployer: canaryFactory.Controller("DaemonSet"),
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logger: logger,
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flaggerClient: flaggerClient,
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meshClient: flaggerClient,
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kubeClient: kubeClient,
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ctrl: ctrl,
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router: meshRouter,
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}
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}
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func newDaemonSetTestConfigMap() *corev1.ConfigMap {
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return &corev1.ConfigMap{
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TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo-config-env",
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},
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Data: map[string]string{
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"color": "red",
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},
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}
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}
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func newDaemonSetTestConfigMapV2() *corev1.ConfigMap {
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return &corev1.ConfigMap{
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TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo-config-env",
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},
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Data: map[string]string{
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"color": "blue",
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"output": "console",
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},
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}
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}
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func newDaemonSetTestConfigMapEnv() *corev1.ConfigMap {
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return &corev1.ConfigMap{
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TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo-config-all-env",
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},
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Data: map[string]string{
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"color": "red",
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},
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}
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}
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func newDaemonSetTestConfigMapVol() *corev1.ConfigMap {
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return &corev1.ConfigMap{
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TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo-config-vol",
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},
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Data: map[string]string{
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"color": "red",
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},
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}
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}
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func newDaemonSetTestSecret() *corev1.Secret {
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return &corev1.Secret{
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TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo-secret-env",
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},
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Type: corev1.SecretTypeOpaque,
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Data: map[string][]byte{
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"apiKey": []byte("test"),
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"username": []byte("test"),
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"password": []byte("test"),
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},
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}
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}
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func newDaemonSetTestSecretV2() *corev1.Secret {
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return &corev1.Secret{
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TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo-secret-env",
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},
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Type: corev1.SecretTypeOpaque,
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Data: map[string][]byte{
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"apiKey": []byte("test2"),
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"username": []byte("test"),
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"password": []byte("test"),
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},
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}
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}
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func newDaemonSetTestSecretEnv() *corev1.Secret {
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return &corev1.Secret{
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TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo-secret-all-env",
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},
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Type: corev1.SecretTypeOpaque,
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Data: map[string][]byte{
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"apiKey": []byte("test"),
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},
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}
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}
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func newDaemonSetTestSecretVol() *corev1.Secret {
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return &corev1.Secret{
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TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo-secret-vol",
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},
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Type: corev1.SecretTypeOpaque,
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Data: map[string][]byte{
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"apiKey": []byte("test"),
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},
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}
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}
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func newDaemonSetTestCanary() *flaggerv1.Canary {
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cd := &flaggerv1.Canary{
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TypeMeta: metav1.TypeMeta{APIVersion: flaggerv1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo",
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},
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Spec: flaggerv1.CanarySpec{
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TargetRef: flaggerv1.CrossNamespaceObjectReference{
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Name: "podinfo",
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APIVersion: "apps/v1",
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Kind: "DaemonSet",
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}, Service: flaggerv1.CanaryService{
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Port: 9898,
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}, Analysis: &flaggerv1.CanaryAnalysis{
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Threshold: 10,
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StepWeight: 10,
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MaxWeight: 50,
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Metrics: []flaggerv1.CanaryMetric{
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{
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Name: "request-success-rate",
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Threshold: 99,
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Interval: "1m",
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},
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{
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Name: "request-duration",
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ThresholdRange: &flaggerv1.CanaryThresholdRange{
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Min: toFloatPtr(0),
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Max: toFloatPtr(500000),
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},
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Interval: "1m",
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},
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{
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Name: "custom",
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ThresholdRange: &flaggerv1.CanaryThresholdRange{
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Min: toFloatPtr(0),
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Max: toFloatPtr(100),
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},
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Interval: "1m",
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TemplateRef: &flaggerv1.CrossNamespaceObjectReference{
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Name: "envoy",
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Namespace: "default",
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},
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},
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},
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},
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},
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}
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return cd
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}
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func newDaemonSetTestCanaryMirror() *flaggerv1.Canary {
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cd := newDaemonSetTestCanary()
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cd.Spec.Analysis.Mirror = true
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return cd
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}
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func newDaemonSetTestCanaryAB() *flaggerv1.Canary {
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cd := &flaggerv1.Canary{
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TypeMeta: metav1.TypeMeta{APIVersion: flaggerv1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo",
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},
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Spec: flaggerv1.CanarySpec{
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TargetRef: flaggerv1.CrossNamespaceObjectReference{
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Name: "podinfo",
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APIVersion: "apps/v1",
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Kind: "DaemonSet",
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}, Service: flaggerv1.CanaryService{
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Port: 9898,
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}, Analysis: &flaggerv1.CanaryAnalysis{
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Threshold: 10,
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Iterations: 10,
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Match: []istiov1alpha3.HTTPMatchRequest{
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{
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Headers: map[string]istiov1alpha1.StringMatch{
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"x-user-type": {
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Exact: "test",
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},
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},
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},
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},
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Metrics: []flaggerv1.CanaryMetric{
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{
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Name: "request-success-rate",
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ThresholdRange: &flaggerv1.CanaryThresholdRange{
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Min: toFloatPtr(99),
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Max: toFloatPtr(100),
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},
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Interval: "1m",
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},
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{
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Name: "request-duration",
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Threshold: 500000,
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Interval: "1m",
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},
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{
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Name: "custom",
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ThresholdRange: &flaggerv1.CanaryThresholdRange{
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Min: toFloatPtr(0),
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Max: toFloatPtr(500000),
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},
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Interval: "1m",
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Query: "fake",
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},
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},
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},
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},
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}
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return cd
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}
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func newDaemonSetTestDaemonSet() *appsv1.DaemonSet {
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d := &appsv1.DaemonSet{
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TypeMeta: metav1.TypeMeta{APIVersion: appsv1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo",
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},
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Spec: appsv1.DaemonSetSpec{
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{
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"app": "podinfo",
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},
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},
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Template: corev1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"app": "podinfo",
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},
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},
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Spec: corev1.PodSpec{
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Containers: []corev1.Container{
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{
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Name: "podinfo",
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Image: "quay.io/stefanprodan/podinfo:1.2.0",
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Command: []string{
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"./podinfo",
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"--port=9898",
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},
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Args: nil,
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WorkingDir: "",
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Ports: []corev1.ContainerPort{
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{
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Name: "http",
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ContainerPort: 9898,
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Protocol: corev1.ProtocolTCP,
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},
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{
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Name: "http-metrics",
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ContainerPort: 8080,
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Protocol: corev1.ProtocolTCP,
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},
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{
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ContainerPort: 8888,
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},
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},
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Env: []corev1.EnvVar{
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{
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Name: "PODINFO_UI_COLOR",
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ValueFrom: &corev1.EnvVarSource{
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ConfigMapKeyRef: &corev1.ConfigMapKeySelector{
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LocalObjectReference: corev1.LocalObjectReference{
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Name: "podinfo-config-env",
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},
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Key: "color",
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},
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},
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},
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{
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Name: "API_KEY",
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ValueFrom: &corev1.EnvVarSource{
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SecretKeyRef: &corev1.SecretKeySelector{
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LocalObjectReference: corev1.LocalObjectReference{
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Name: "podinfo-secret-env",
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},
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Key: "apiKey",
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},
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},
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},
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},
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EnvFrom: []corev1.EnvFromSource{
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{
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ConfigMapRef: &corev1.ConfigMapEnvSource{
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LocalObjectReference: corev1.LocalObjectReference{
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Name: "podinfo-config-all-env",
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},
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},
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},
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{
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SecretRef: &corev1.SecretEnvSource{
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LocalObjectReference: corev1.LocalObjectReference{
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Name: "podinfo-secret-all-env",
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},
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},
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},
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},
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VolumeMounts: []corev1.VolumeMount{
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{
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Name: "config",
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MountPath: "/etc/podinfo/config",
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ReadOnly: true,
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},
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{
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Name: "secret",
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MountPath: "/etc/podinfo/secret",
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ReadOnly: true,
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},
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},
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},
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},
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Volumes: []corev1.Volume{
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{
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Name: "config",
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VolumeSource: corev1.VolumeSource{
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ConfigMap: &corev1.ConfigMapVolumeSource{
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LocalObjectReference: corev1.LocalObjectReference{
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Name: "podinfo-config-vol",
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},
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},
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},
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},
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{
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Name: "secret",
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VolumeSource: corev1.VolumeSource{
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Secret: &corev1.SecretVolumeSource{
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SecretName: "podinfo-secret-vol",
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},
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},
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},
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},
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},
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},
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},
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}
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return d
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}
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func newDaemonSetTestDaemonSetV2() *appsv1.DaemonSet {
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d := &appsv1.DaemonSet{
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TypeMeta: metav1.TypeMeta{APIVersion: appsv1.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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Name: "podinfo",
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},
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Spec: appsv1.DaemonSetSpec{
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{
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"app": "podinfo",
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},
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},
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Template: corev1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"app": "podinfo",
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},
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},
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Spec: corev1.PodSpec{
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Containers: []corev1.Container{
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{
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Name: "podinfo",
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Image: "quay.io/stefanprodan/podinfo:1.2.1",
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Ports: []corev1.ContainerPort{
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{
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Name: "http",
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ContainerPort: 9898,
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Protocol: corev1.ProtocolTCP,
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},
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},
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Command: []string{
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"./podinfo",
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"--port=9898",
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},
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Env: []corev1.EnvVar{
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{
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Name: "PODINFO_UI_COLOR",
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ValueFrom: &corev1.EnvVarSource{
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ConfigMapKeyRef: &corev1.ConfigMapKeySelector{
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|
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,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
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",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
return d
|
|
}
|
|
|
|
func newDaemonSetTestService() *corev1.Service {
|
|
d := &corev1.Service{
|
|
TypeMeta: metav1.TypeMeta{APIVersion: appsv1.SchemeGroupVersion.String()},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: "default",
|
|
Name: "podinfo",
|
|
},
|
|
Spec: corev1.ServiceSpec{
|
|
Selector: map[string]string{
|
|
"app": "podinfo",
|
|
},
|
|
Type: corev1.ServiceTypeClusterIP,
|
|
Ports: []corev1.ServicePort{
|
|
{
|
|
Name: "http",
|
|
Port: 9898,
|
|
Protocol: corev1.ProtocolTCP,
|
|
TargetPort: intstr.FromString("http"),
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
return d
|
|
}
|
|
|
|
func newDaemonSetTestMetricTemplate() *flaggerv1.MetricTemplate {
|
|
provider := flaggerv1.MetricTemplateProvider{
|
|
Type: "prometheus",
|
|
Address: testMetricsServerURL,
|
|
SecretRef: &corev1.LocalObjectReference{
|
|
Name: "podinfo-secret-env",
|
|
},
|
|
}
|
|
|
|
template := &flaggerv1.MetricTemplate{
|
|
TypeMeta: metav1.TypeMeta{APIVersion: flaggerv1.SchemeGroupVersion.String()},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: "default",
|
|
Name: "envoy",
|
|
},
|
|
Spec: flaggerv1.MetricTemplateSpec{
|
|
Provider: provider,
|
|
Query: `sum(envoy_cluster_upstream_rq{envoy_cluster_name=~"{{ namespace }}_{{ target }}"})`,
|
|
},
|
|
}
|
|
return template
|
|
}
|
|
|
|
func newDaemonSetTestAlertProviderSecret() *corev1.Secret {
|
|
return &corev1.Secret{
|
|
TypeMeta: metav1.TypeMeta{APIVersion: corev1.SchemeGroupVersion.String()},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: "default",
|
|
Name: "alert-secret",
|
|
},
|
|
Type: corev1.SecretTypeOpaque,
|
|
Data: map[string][]byte{
|
|
"address": []byte("http://mock.slack"),
|
|
},
|
|
}
|
|
}
|
|
|
|
func newDaemonSetTestAlertProvider() *flaggerv1.AlertProvider {
|
|
return &flaggerv1.AlertProvider{
|
|
TypeMeta: metav1.TypeMeta{APIVersion: flaggerv1.SchemeGroupVersion.String()},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: "default",
|
|
Name: "slack",
|
|
},
|
|
Spec: flaggerv1.AlertProviderSpec{
|
|
Type: "slack",
|
|
Address: "http://fake.slack",
|
|
SecretRef: &corev1.LocalObjectReference{
|
|
Name: "alert-secret",
|
|
},
|
|
},
|
|
}
|
|
}
|