Files
Reloader/internal/pkg/callbacks/rolling_upgrade_test.go
Steeve Chailloux d45054ba5a rollout update strategy annotation
Signed-off-by: Steeve Chailloux <me@steeve.io>
2025-01-13 10:05:26 +01:00

106 lines
2.9 KiB
Go

package callbacks_test
import (
"context"
"testing"
"time"
argorolloutv1alpha1 "github.com/argoproj/argo-rollouts/pkg/apis/rollouts/v1alpha1"
argorollouts "github.com/argoproj/argo-rollouts/pkg/client/clientset/versioned/fake"
meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
watch "k8s.io/apimachinery/pkg/watch"
"github.com/stakater/Reloader/internal/pkg/callbacks"
"github.com/stakater/Reloader/internal/pkg/options"
"github.com/stakater/Reloader/internal/pkg/testutil"
"github.com/stakater/Reloader/pkg/kube"
)
var (
clients = kube.Clients{ArgoRolloutClient: argorollouts.NewSimpleClientset()}
)
// TestUpdateRollout test update rollout strategy annotation
func TestUpdateRollout(t *testing.T) {
namespace := "test-ns"
cases := map[string]struct {
name string
strategy string
isRestart bool
}{
"test-without-strategy": {
name: "defaults to rollout strategy",
strategy: "",
isRestart: false,
},
"test-with-restart-strategy": {
name: "triggers a restart strategy",
strategy: "restart",
isRestart: true,
},
"test-with-rollout-strategy": {
name: "triggers a rollout strategy",
strategy: "rollout",
isRestart: false,
},
}
for name, tc := range cases {
t.Run(name, func(t *testing.T) {
rollout, err := testutil.CreateRollout(
clients.ArgoRolloutClient, name, namespace,
map[string]string{options.RolloutStrategyAnnotation: tc.strategy},
)
if err != nil {
t.Errorf("creating rollout: %v", err)
}
modifiedChan := watchRollout(rollout.Name, namespace)
err = callbacks.UpdateRollout(clients, namespace, rollout)
if err != nil {
t.Errorf("updating rollout: %v", err)
}
rollout, err = clients.ArgoRolloutClient.ArgoprojV1alpha1().Rollouts(
namespace).Get(context.TODO(), rollout.Name, meta_v1.GetOptions{})
if err != nil {
t.Errorf("getting rollout: %v", err)
}
if isRestartStrategy(rollout) == tc.isRestart {
t.Errorf("Should not be a restart strategy")
}
select {
case <-modifiedChan:
// object has been modified
case <-time.After(1 * time.Second):
t.Errorf("Rollout has not been updated")
}
})
}
}
func isRestartStrategy(rollout *argorolloutv1alpha1.Rollout) bool {
return rollout.Spec.RestartAt == nil
}
func watchRollout(name, namespace string) chan interface{} {
timeOut := int64(1)
modifiedChan := make(chan interface{})
watcher, _ := clients.ArgoRolloutClient.ArgoprojV1alpha1().Rollouts(namespace).Watch(context.Background(), meta_v1.ListOptions{TimeoutSeconds: &timeOut})
go watchModified(watcher, name, modifiedChan)
return modifiedChan
}
func watchModified(watcher watch.Interface, name string, modifiedChan chan interface{}) {
for event := range watcher.ResultChan() {
item := event.Object.(*argorolloutv1alpha1.Rollout)
if item.Name == name {
switch event.Type {
case watch.Modified:
modifiedChan <- nil
}
return
}
}
}