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pod.go
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pod.go
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// Copyright 2016 The prometheus-operator 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 framework
import (
"fmt"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/pkg/errors"
)
// PrintPodLogs prints the logs of a specified Pod
func (f *Framework) PrintPodLogs(ns, p string) error {
pod, err := f.KubeClient.CoreV1().Pods(ns).Get(p, metav1.GetOptions{})
if err != nil {
return errors.Wrapf(err, "failed to print logs of pod '%v': failed to get pod", p)
}
for _, c := range pod.Spec.Containers {
req := f.KubeClient.CoreV1().Pods(ns).GetLogs(p, &v1.PodLogOptions{Container: c.Name})
resp, err := req.DoRaw()
if err != nil {
return errors.Wrapf(err, "failed to retrieve logs of pod '%v'", p)
}
fmt.Printf("=== Logs of %v/%v/%v:", ns, p, c.Name)
fmt.Println(string(resp))
}
return nil
}
// GetPodRestartCount returns a map of container names and their restart counts for
// a given pod.
func (f *Framework) GetPodRestartCount(ns, podName string) (map[string]int32, error) {
pod, err := f.KubeClient.CoreV1().Pods(ns).Get(podName, metav1.GetOptions{})
if err != nil {
return nil, errors.Wrap(err, "failed to retrieve pod to get restart count")
}
restarts := map[string]int32{}
for _, status := range pod.Status.ContainerStatuses {
restarts[status.Name] = status.RestartCount
}
return restarts, nil
}