vendor files

vendor/k8s.io/kubernetes/test/utils/conditions.go

@@ -0,0 +1,111 @@
+/*
+Copyright 2016 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 utils
+
+import (
+	"fmt"
+
+	"k8s.io/api/core/v1"
+	podutil "k8s.io/kubernetes/pkg/api/v1/pod"
+)
+
+type ContainerFailures struct {
+	status   *v1.ContainerStateTerminated
+	Restarts int
+}
+
+// PodRunningReady checks whether pod p's phase is running and it has a ready
+// condition of status true.
+func PodRunningReady(p *v1.Pod) (bool, error) {
+	// Check the phase is running.
+	if p.Status.Phase != v1.PodRunning {
+		return false, fmt.Errorf("want pod '%s' on '%s' to be '%v' but was '%v'",
+			p.ObjectMeta.Name, p.Spec.NodeName, v1.PodRunning, p.Status.Phase)
+	}
+	// Check the ready condition is true.
+	if !podutil.IsPodReady(p) {
+		return false, fmt.Errorf("pod '%s' on '%s' didn't have condition {%v %v}; conditions: %v",
+			p.ObjectMeta.Name, p.Spec.NodeName, v1.PodReady, v1.ConditionTrue, p.Status.Conditions)
+	}
+	return true, nil
+}
+
+func PodRunningReadyOrSucceeded(p *v1.Pod) (bool, error) {
+	// Check if the phase is succeeded.
+	if p.Status.Phase == v1.PodSucceeded {
+		return true, nil
+	}
+	return PodRunningReady(p)
+}
+
+// FailedContainers inspects all containers in a pod and returns failure
+// information for containers that have failed or been restarted.
+// A map is returned where the key is the containerID and the value is a
+// struct containing the restart and failure information
+func FailedContainers(pod *v1.Pod) map[string]ContainerFailures {
+	var state ContainerFailures
+	states := make(map[string]ContainerFailures)
+
+	statuses := pod.Status.ContainerStatuses
+	if len(statuses) == 0 {
+		return nil
+	}
+	for _, status := range statuses {
+		if status.State.Terminated != nil {
+			states[status.ContainerID] = ContainerFailures{status: status.State.Terminated}
+		} else if status.LastTerminationState.Terminated != nil {
+			states[status.ContainerID] = ContainerFailures{status: status.LastTerminationState.Terminated}
+		}
+		if status.RestartCount > 0 {
+			var ok bool
+			if state, ok = states[status.ContainerID]; !ok {
+				state = ContainerFailures{}
+			}
+			state.Restarts = int(status.RestartCount)
+			states[status.ContainerID] = state
+		}
+	}
+
+	return states
+}
+
+// TerminatedContainers inspects all containers in a pod and returns a map
+// of "container name: termination reason", for all currently terminated
+// containers.
+func TerminatedContainers(pod *v1.Pod) map[string]string {
+	states := make(map[string]string)
+	statuses := pod.Status.ContainerStatuses
+	if len(statuses) == 0 {
+		return states
+	}
+	for _, status := range statuses {
+		if status.State.Terminated != nil {
+			states[status.Name] = status.State.Terminated.Reason
+		}
+	}
+	return states
+}
+
+// PodNotReady checks whether pod p's has a ready condition of status false.
+func PodNotReady(p *v1.Pod) (bool, error) {
+	// Check the ready condition is false.
+	if podutil.IsPodReady(p) {
+		return false, fmt.Errorf("pod '%s' on '%s' didn't have condition {%v %v}; conditions: %v",
+			p.ObjectMeta.Name, p.Spec.NodeName, v1.PodReady, v1.ConditionFalse, p.Status.Conditions)
+	}
+	return true, nil
+}