diff options
Diffstat (limited to 'vendor/k8s.io/kubernetes/pkg/api/v1/pod/util.go')
| -rw-r--r-- | vendor/k8s.io/kubernetes/pkg/api/v1/pod/util.go | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/vendor/k8s.io/kubernetes/pkg/api/v1/pod/util.go b/vendor/k8s.io/kubernetes/pkg/api/v1/pod/util.go deleted file mode 100644 index aa79c7250..000000000 --- a/vendor/k8s.io/kubernetes/pkg/api/v1/pod/util.go +++ /dev/null @@ -1,296 +0,0 @@ -/* -Copyright 2015 The Kubernetes 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 pod - -import ( - "fmt" - "time" - - "k8s.io/api/core/v1" - metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" - "k8s.io/apimachinery/pkg/util/intstr" -) - -// FindPort locates the container port for the given pod and portName. If the -// targetPort is a number, use that. If the targetPort is a string, look that -// string up in all named ports in all containers in the target pod. If no -// match is found, fail. -func FindPort(pod *v1.Pod, svcPort *v1.ServicePort) (int, error) { - portName := svcPort.TargetPort - switch portName.Type { - case intstr.String: - name := portName.StrVal - for _, container := range pod.Spec.Containers { - for _, port := range container.Ports { - if port.Name == name && port.Protocol == svcPort.Protocol { - return int(port.ContainerPort), nil - } - } - } - case intstr.Int: - return portName.IntValue(), nil - } - - return 0, fmt.Errorf("no suitable port for manifest: %s", pod.UID) -} - -// Visitor is called with each object name, and returns true if visiting should continue -type Visitor func(name string) (shouldContinue bool) - -// VisitPodSecretNames invokes the visitor function with the name of every secret -// referenced by the pod spec. If visitor returns false, visiting is short-circuited. -// Transitive references (e.g. pod -> pvc -> pv -> secret) are not visited. -// Returns true if visiting completed, false if visiting was short-circuited. -func VisitPodSecretNames(pod *v1.Pod, visitor Visitor) bool { - for _, reference := range pod.Spec.ImagePullSecrets { - if !visitor(reference.Name) { - return false - } - } - for i := range pod.Spec.InitContainers { - if !visitContainerSecretNames(&pod.Spec.InitContainers[i], visitor) { - return false - } - } - for i := range pod.Spec.Containers { - if !visitContainerSecretNames(&pod.Spec.Containers[i], visitor) { - return false - } - } - var source *v1.VolumeSource - - for i := range pod.Spec.Volumes { - source = &pod.Spec.Volumes[i].VolumeSource - switch { - case source.AzureFile != nil: - if len(source.AzureFile.SecretName) > 0 && !visitor(source.AzureFile.SecretName) { - return false - } - case source.CephFS != nil: - if source.CephFS.SecretRef != nil && !visitor(source.CephFS.SecretRef.Name) { - return false - } - case source.FlexVolume != nil: - if source.FlexVolume.SecretRef != nil && !visitor(source.FlexVolume.SecretRef.Name) { - return false - } - case source.Projected != nil: - for j := range source.Projected.Sources { - if source.Projected.Sources[j].Secret != nil { - if !visitor(source.Projected.Sources[j].Secret.Name) { - return false - } - } - } - case source.RBD != nil: - if source.RBD.SecretRef != nil && !visitor(source.RBD.SecretRef.Name) { - return false - } - case source.Secret != nil: - if !visitor(source.Secret.SecretName) { - return false - } - case source.ScaleIO != nil: - if source.ScaleIO.SecretRef != nil && !visitor(source.ScaleIO.SecretRef.Name) { - return false - } - case source.ISCSI != nil: - if source.ISCSI.SecretRef != nil && !visitor(source.ISCSI.SecretRef.Name) { - return false - } - case source.StorageOS != nil: - if source.StorageOS.SecretRef != nil && !visitor(source.StorageOS.SecretRef.Name) { - return false - } - } - } - return true -} - -func visitContainerSecretNames(container *v1.Container, visitor Visitor) bool { - for _, env := range container.EnvFrom { - if env.SecretRef != nil { - if !visitor(env.SecretRef.Name) { - return false - } - } - } - for _, envVar := range container.Env { - if envVar.ValueFrom != nil && envVar.ValueFrom.SecretKeyRef != nil { - if !visitor(envVar.ValueFrom.SecretKeyRef.Name) { - return false - } - } - } - return true -} - -// VisitPodConfigmapNames invokes the visitor function with the name of every configmap -// referenced by the pod spec. If visitor returns false, visiting is short-circuited. -// Transitive references (e.g. pod -> pvc -> pv -> secret) are not visited. -// Returns true if visiting completed, false if visiting was short-circuited. -func VisitPodConfigmapNames(pod *v1.Pod, visitor Visitor) bool { - for i := range pod.Spec.InitContainers { - if !visitContainerConfigmapNames(&pod.Spec.InitContainers[i], visitor) { - return false - } - } - for i := range pod.Spec.Containers { - if !visitContainerConfigmapNames(&pod.Spec.Containers[i], visitor) { - return false - } - } - var source *v1.VolumeSource - for i := range pod.Spec.Volumes { - source = &pod.Spec.Volumes[i].VolumeSource - switch { - case source.Projected != nil: - for j := range source.Projected.Sources { - if source.Projected.Sources[j].ConfigMap != nil { - if !visitor(source.Projected.Sources[j].ConfigMap.Name) { - return false - } - } - } - case source.ConfigMap != nil: - if !visitor(source.ConfigMap.Name) { - return false - } - } - } - return true -} - -func visitContainerConfigmapNames(container *v1.Container, visitor Visitor) bool { - for _, env := range container.EnvFrom { - if env.ConfigMapRef != nil { - if !visitor(env.ConfigMapRef.Name) { - return false - } - } - } - for _, envVar := range container.Env { - if envVar.ValueFrom != nil && envVar.ValueFrom.ConfigMapKeyRef != nil { - if !visitor(envVar.ValueFrom.ConfigMapKeyRef.Name) { - return false - } - } - } - return true -} - -// GetContainerStatus extracts the status of container "name" from "statuses". -// It also returns if "name" exists. -func GetContainerStatus(statuses []v1.ContainerStatus, name string) (v1.ContainerStatus, bool) { - for i := range statuses { - if statuses[i].Name == name { - return statuses[i], true - } - } - return v1.ContainerStatus{}, false -} - -// GetExistingContainerStatus extracts the status of container "name" from "statuses", -// and returns empty status if "name" does not exist. -func GetExistingContainerStatus(statuses []v1.ContainerStatus, name string) v1.ContainerStatus { - for i := range statuses { - if statuses[i].Name == name { - return statuses[i] - } - } - return v1.ContainerStatus{} -} - -// IsPodAvailable returns true if a pod is available; false otherwise. -// Precondition for an available pod is that it must be ready. On top -// of that, there are two cases when a pod can be considered available: -// 1. minReadySeconds == 0, or -// 2. LastTransitionTime (is set) + minReadySeconds < current time -func IsPodAvailable(pod *v1.Pod, minReadySeconds int32, now metav1.Time) bool { - if !IsPodReady(pod) { - return false - } - - c := GetPodReadyCondition(pod.Status) - minReadySecondsDuration := time.Duration(minReadySeconds) * time.Second - if minReadySeconds == 0 || !c.LastTransitionTime.IsZero() && c.LastTransitionTime.Add(minReadySecondsDuration).Before(now.Time) { - return true - } - return false -} - -// IsPodReady returns true if a pod is ready; false otherwise. -func IsPodReady(pod *v1.Pod) bool { - return IsPodReadyConditionTrue(pod.Status) -} - -// IsPodReady returns true if a pod is ready; false otherwise. -func IsPodReadyConditionTrue(status v1.PodStatus) bool { - condition := GetPodReadyCondition(status) - return condition != nil && condition.Status == v1.ConditionTrue -} - -// Extracts the pod ready condition from the given status and returns that. -// Returns nil if the condition is not present. -func GetPodReadyCondition(status v1.PodStatus) *v1.PodCondition { - _, condition := GetPodCondition(&status, v1.PodReady) - return condition -} - -// GetPodCondition extracts the provided condition from the given status and returns that. -// Returns nil and -1 if the condition is not present, and the index of the located condition. -func GetPodCondition(status *v1.PodStatus, conditionType v1.PodConditionType) (int, *v1.PodCondition) { - if status == nil { - return -1, nil - } - for i := range status.Conditions { - if status.Conditions[i].Type == conditionType { - return i, &status.Conditions[i] - } - } - return -1, nil -} - -// Updates existing pod condition or creates a new one. Sets LastTransitionTime to now if the -// status has changed. -// Returns true if pod condition has changed or has been added. -func UpdatePodCondition(status *v1.PodStatus, condition *v1.PodCondition) bool { - condition.LastTransitionTime = metav1.Now() - // Try to find this pod condition. - conditionIndex, oldCondition := GetPodCondition(status, condition.Type) - - if oldCondition == nil { - // We are adding new pod condition. - status.Conditions = append(status.Conditions, *condition) - return true - } else { - // We are updating an existing condition, so we need to check if it has changed. - if condition.Status == oldCondition.Status { - condition.LastTransitionTime = oldCondition.LastTransitionTime - } - - isEqual := condition.Status == oldCondition.Status && - condition.Reason == oldCondition.Reason && - condition.Message == oldCondition.Message && - condition.LastProbeTime.Equal(&oldCondition.LastProbeTime) && - condition.LastTransitionTime.Equal(&oldCondition.LastTransitionTime) - - status.Conditions[conditionIndex] = *condition - // Return true if one of the fields have changed. - return !isEqual - } -} |