diff options
Diffstat (limited to 'kube2msb/src/vendor/k8s.io/kubernetes/pkg/client/unversioned/conditions.go')
-rw-r--r-- | kube2msb/src/vendor/k8s.io/kubernetes/pkg/client/unversioned/conditions.go | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/client/unversioned/conditions.go b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/client/unversioned/conditions.go deleted file mode 100644 index 5c28429..0000000 --- a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/client/unversioned/conditions.go +++ /dev/null @@ -1,240 +0,0 @@ -/* -Copyright 2014 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 unversioned - -import ( - "fmt" - - "k8s.io/kubernetes/pkg/api" - "k8s.io/kubernetes/pkg/api/errors" - "k8s.io/kubernetes/pkg/api/unversioned" - "k8s.io/kubernetes/pkg/apis/batch" - "k8s.io/kubernetes/pkg/apis/extensions" - "k8s.io/kubernetes/pkg/util/wait" - "k8s.io/kubernetes/pkg/watch" -) - -// ControllerHasDesiredReplicas returns a condition that will be true if and only if -// the desired replica count for a controller's ReplicaSelector equals the Replicas count. -func ControllerHasDesiredReplicas(c Interface, controller *api.ReplicationController) wait.ConditionFunc { - - // If we're given a controller where the status lags the spec, it either means that the controller is stale, - // or that the rc manager hasn't noticed the update yet. Polling status.Replicas is not safe in the latter case. - desiredGeneration := controller.Generation - - return func() (bool, error) { - ctrl, err := c.ReplicationControllers(controller.Namespace).Get(controller.Name) - if err != nil { - return false, err - } - // There's a chance a concurrent update modifies the Spec.Replicas causing this check to pass, - // or, after this check has passed, a modification causes the rc manager to create more pods. - // This will not be an issue once we've implemented graceful delete for rcs, but till then - // concurrent stop operations on the same rc might have unintended side effects. - return ctrl.Status.ObservedGeneration >= desiredGeneration && ctrl.Status.Replicas == ctrl.Spec.Replicas, nil - } -} - -// ReplicaSetHasDesiredReplicas returns a condition that will be true if and only if -// the desired replica count for a ReplicaSet's ReplicaSelector equals the Replicas count. -func ReplicaSetHasDesiredReplicas(c ExtensionsInterface, replicaSet *extensions.ReplicaSet) wait.ConditionFunc { - - // If we're given a ReplicaSet where the status lags the spec, it either means that the - // ReplicaSet is stale, or that the ReplicaSet manager hasn't noticed the update yet. - // Polling status.Replicas is not safe in the latter case. - desiredGeneration := replicaSet.Generation - - return func() (bool, error) { - rs, err := c.ReplicaSets(replicaSet.Namespace).Get(replicaSet.Name) - if err != nil { - return false, err - } - // There's a chance a concurrent update modifies the Spec.Replicas causing this check to - // pass, or, after this check has passed, a modification causes the ReplicaSet manager to - // create more pods. This will not be an issue once we've implemented graceful delete for - // ReplicaSets, but till then concurrent stop operations on the same ReplicaSet might have - // unintended side effects. - return rs.Status.ObservedGeneration >= desiredGeneration && rs.Status.Replicas == rs.Spec.Replicas, nil - } -} - -// JobHasDesiredParallelism returns a condition that will be true if the desired parallelism count -// for a job equals the current active counts or is less by an appropriate successful/unsuccessful count. -func JobHasDesiredParallelism(c BatchInterface, job *batch.Job) wait.ConditionFunc { - - return func() (bool, error) { - job, err := c.Jobs(job.Namespace).Get(job.Name) - if err != nil { - return false, err - } - - // desired parallelism can be either the exact number, in which case return immediately - if job.Status.Active == *job.Spec.Parallelism { - return true, nil - } - if job.Spec.Completions == nil { - // A job without specified completions needs to wait for Active to reach Parallelism. - return false, nil - } else { - // otherwise count successful - progress := *job.Spec.Completions - job.Status.Active - job.Status.Succeeded - return progress == 0, nil - } - } -} - -// DeploymentHasDesiredReplicas returns a condition that will be true if and only if -// the desired replica count for a deployment equals its updated replicas count. -// (non-terminated pods that have the desired template spec). -func DeploymentHasDesiredReplicas(c ExtensionsInterface, deployment *extensions.Deployment) wait.ConditionFunc { - // If we're given a deployment where the status lags the spec, it either - // means that the deployment is stale, or that the deployment manager hasn't - // noticed the update yet. Polling status.Replicas is not safe in the latter - // case. - desiredGeneration := deployment.Generation - - return func() (bool, error) { - deployment, err := c.Deployments(deployment.Namespace).Get(deployment.Name) - if err != nil { - return false, err - } - return deployment.Status.ObservedGeneration >= desiredGeneration && - deployment.Status.UpdatedReplicas == deployment.Spec.Replicas, nil - } -} - -// ErrPodCompleted is returned by PodRunning or PodContainerRunning to indicate that -// the pod has already reached completed state. -var ErrPodCompleted = fmt.Errorf("pod ran to completion") - -// PodRunning returns true if the pod is running, false if the pod has not yet reached running state, -// returns ErrPodCompleted if the pod has run to completion, or an error in any other case. -func PodRunning(event watch.Event) (bool, error) { - switch event.Type { - case watch.Deleted: - return false, errors.NewNotFound(unversioned.GroupResource{Resource: "pods"}, "") - } - switch t := event.Object.(type) { - case *api.Pod: - switch t.Status.Phase { - case api.PodRunning: - return true, nil - case api.PodFailed, api.PodSucceeded: - return false, ErrPodCompleted - } - } - return false, nil -} - -// PodCompleted returns true if the pod has run to completion, false if the pod has not yet -// reached running state, or an error in any other case. -func PodCompleted(event watch.Event) (bool, error) { - switch event.Type { - case watch.Deleted: - return false, errors.NewNotFound(unversioned.GroupResource{Resource: "pods"}, "") - } - switch t := event.Object.(type) { - case *api.Pod: - switch t.Status.Phase { - case api.PodFailed, api.PodSucceeded: - return true, nil - } - } - return false, nil -} - -// PodRunningAndReady returns true if the pod is running and ready, false if the pod has not -// yet reached those states, returns ErrPodCompleted if the pod has run to completion, or -// an error in any other case. -func PodRunningAndReady(event watch.Event) (bool, error) { - switch event.Type { - case watch.Deleted: - return false, errors.NewNotFound(unversioned.GroupResource{Resource: "pods"}, "") - } - switch t := event.Object.(type) { - case *api.Pod: - switch t.Status.Phase { - case api.PodFailed, api.PodSucceeded: - return false, ErrPodCompleted - case api.PodRunning: - return api.IsPodReady(t), nil - } - } - return false, nil -} - -// PodNotPending returns true if the pod has left the pending state, false if it has not, -// or an error in any other case (such as if the pod was deleted). -func PodNotPending(event watch.Event) (bool, error) { - switch event.Type { - case watch.Deleted: - return false, errors.NewNotFound(unversioned.GroupResource{Resource: "pods"}, "") - } - switch t := event.Object.(type) { - case *api.Pod: - switch t.Status.Phase { - case api.PodPending: - return false, nil - default: - return true, nil - } - } - return false, nil -} - -// PodContainerRunning returns false until the named container has ContainerStatus running (at least once), -// and will return an error if the pod is deleted, runs to completion, or the container pod is not available. -func PodContainerRunning(containerName string) watch.ConditionFunc { - return func(event watch.Event) (bool, error) { - switch event.Type { - case watch.Deleted: - return false, errors.NewNotFound(unversioned.GroupResource{Resource: "pods"}, "") - } - switch t := event.Object.(type) { - case *api.Pod: - switch t.Status.Phase { - case api.PodRunning, api.PodPending: - case api.PodFailed, api.PodSucceeded: - return false, ErrPodCompleted - default: - return false, nil - } - for _, s := range t.Status.ContainerStatuses { - if s.Name != containerName { - continue - } - return s.State.Running != nil, nil - } - return false, nil - } - return false, nil - } -} - -// ServiceAccountHasSecrets returns true if the service account has at least one secret, -// false if it does not, or an error. -func ServiceAccountHasSecrets(event watch.Event) (bool, error) { - switch event.Type { - case watch.Deleted: - return false, errors.NewNotFound(unversioned.GroupResource{Resource: "serviceaccounts"}, "") - } - switch t := event.Object.(type) { - case *api.ServiceAccount: - return len(t.Secrets) > 0, nil - } - return false, nil -} |