mirror of https://github.com/k3s-io/k3s
73 lines
2.3 KiB
Go
73 lines
2.3 KiB
Go
/*
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Copyright 2015 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 format
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import (
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"fmt"
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"strings"
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"time"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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)
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type podHandler func(*v1.Pod) string
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// Pod returns a string representing a pod in a consistent human readable format,
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// with pod UID as part of the string.
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func Pod(pod *v1.Pod) string {
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return PodDesc(pod.Name, pod.Namespace, pod.UID)
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}
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// PodDesc returns a string representing a pod in a consistent human readable format,
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// with pod UID as part of the string.
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func PodDesc(podName, podNamespace string, podUID types.UID) string {
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// Use underscore as the delimiter because it is not allowed in pod name
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// (DNS subdomain format), while allowed in the container name format.
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return fmt.Sprintf("%s_%s(%s)", podName, podNamespace, podUID)
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}
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// PodWithDeletionTimestamp is the same as Pod. In addition, it prints the
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// deletion timestamp of the pod if it's not nil.
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func PodWithDeletionTimestamp(pod *v1.Pod) string {
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var deletionTimestamp string
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if pod.DeletionTimestamp != nil {
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deletionTimestamp = ":DeletionTimestamp=" + pod.DeletionTimestamp.UTC().Format(time.RFC3339)
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}
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return Pod(pod) + deletionTimestamp
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}
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// Pods returns a string representation a list of pods in a human
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// readable format.
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func Pods(pods []*v1.Pod) string {
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return aggregatePods(pods, Pod)
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}
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// PodsWithDeletionTimestamps is the same as Pods. In addition, it prints the
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// deletion timestamps of the pods if they are not nil.
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func PodsWithDeletionTimestamps(pods []*v1.Pod) string {
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return aggregatePods(pods, PodWithDeletionTimestamp)
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}
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func aggregatePods(pods []*v1.Pod, handler podHandler) string {
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podStrings := make([]string, 0, len(pods))
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for _, pod := range pods {
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podStrings = append(podStrings, handler(pod))
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}
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return fmt.Sprintf(strings.Join(podStrings, ", "))
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}
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