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80 lines
2.4 KiB
Go
80 lines
2.4 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors All rights reserved.
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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 status
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import (
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"fmt"
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"strings"
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"k8s.io/kubernetes/pkg/api"
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)
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// GeneratePodReadyCondition returns ready condition if all containers in a pod are ready, else it
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// returns an unready condition.
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func GeneratePodReadyCondition(spec *api.PodSpec, containerStatuses []api.ContainerStatus, podPhase api.PodPhase) api.PodCondition {
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// Find if all containers are ready or not.
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if containerStatuses == nil {
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return api.PodCondition{
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Type: api.PodReady,
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Status: api.ConditionFalse,
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Reason: "UnknownContainerStatuses",
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}
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}
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unknownContainers := []string{}
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unreadyContainers := []string{}
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for _, container := range spec.Containers {
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if containerStatus, ok := api.GetContainerStatus(containerStatuses, container.Name); ok {
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if !containerStatus.Ready {
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unreadyContainers = append(unreadyContainers, container.Name)
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}
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} else {
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unknownContainers = append(unknownContainers, container.Name)
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}
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}
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// If all containers are known and succeeded, just return PodCompleted.
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if podPhase == api.PodSucceeded && len(unknownContainers) == 0 {
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return api.PodCondition{
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Type: api.PodReady,
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Status: api.ConditionFalse,
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Reason: "PodCompleted",
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}
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}
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unreadyMessages := []string{}
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if len(unknownContainers) > 0 {
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unreadyMessages = append(unreadyMessages, fmt.Sprintf("containers with unknown status: %s", unknownContainers))
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}
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if len(unreadyContainers) > 0 {
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unreadyMessages = append(unreadyMessages, fmt.Sprintf("containers with unready status: %s", unreadyContainers))
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}
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unreadyMessage := strings.Join(unreadyMessages, ", ")
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if unreadyMessage != "" {
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return api.PodCondition{
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Type: api.PodReady,
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Status: api.ConditionFalse,
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Reason: "ContainersNotReady",
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Message: unreadyMessage,
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}
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}
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return api.PodCondition{
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Type: api.PodReady,
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Status: api.ConditionTrue,
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}
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}
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