55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
/*
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Copyright 2016 The Kubernetes 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 events
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import (
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"context"
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"fmt"
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"strings"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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clientset "k8s.io/client-go/kubernetes"
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)
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// Action is a function to be performed by the system.
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type Action func() error
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// WaitTimeoutForEvent waits the given timeout duration for an event to occur.
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// Please note delivery of events is not guaranteed. Asserting on events can lead to flaky tests.
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func WaitTimeoutForEvent(c clientset.Interface, namespace, eventSelector, msg string, timeout time.Duration) error {
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interval := 2 * time.Second
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return wait.PollImmediate(interval, timeout, eventOccurred(c, namespace, eventSelector, msg))
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}
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func eventOccurred(c clientset.Interface, namespace, eventSelector, msg string) wait.ConditionFunc {
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options := metav1.ListOptions{FieldSelector: eventSelector}
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return func() (bool, error) {
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events, err := c.CoreV1().Events(namespace).List(context.TODO(), options)
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if err != nil {
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return false, fmt.Errorf("got error while getting events: %v", err)
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}
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for _, event := range events.Items {
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if strings.Contains(event.Message, msg) {
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return true, nil
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}
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}
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return false, nil
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}
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}
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