/
helpers.go
74 lines (64 loc) · 2.16 KB
/
helpers.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 framework
import (
"context"
"fmt"
"os"
"path/filepath"
"time"
"github.com/pkg/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/kubernetes"
)
// PathToOSFile gets the absolute path from relative path.
func PathToOSFile(relativePath string) (*os.File, error) {
path, err := filepath.Abs(relativePath)
if err != nil {
return nil, errors.Wrap(err, fmt.Sprintf("failed generate absolute file path of %s", relativePath))
}
manifest, err := os.Open(path)
if err != nil {
return nil, errors.Wrap(err, fmt.Sprintf("failed to open file %s", path))
}
return manifest, nil
}
// WaitForPodsReady waits for a selection of Pods to be running and each
// container to pass its readiness check.
func WaitForPodsReady(kubeClient kubernetes.Interface, namespace string, timeout time.Duration, expectedReplicas int, opts metav1.ListOptions) error {
return wait.Poll(time.Second, timeout, func() (bool, error) {
pl, err := kubeClient.CoreV1().Pods(namespace).List(context.TODO(), opts)
if err != nil {
return false, err
}
runningAndReady := 0
for _, p := range pl.Items {
isRunningAndReady, err := PodRunningAndReady(p)
if err != nil {
return false, err
}
if isRunningAndReady {
runningAndReady++
}
}
if runningAndReady == expectedReplicas {
return true, nil
}
return false, nil
})
}