1 files changed, 240 insertions, 0 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
new file mode 100644
index 0000000..5c28429
--- /dev/null
+++ b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/client/unversioned/conditions.go
@@ -0,0 +1,240 @@
+/*
+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
+}