mirror of https://github.com/k3s-io/k3s
114 lines
3.6 KiB
Go
114 lines
3.6 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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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 common
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import (
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/uuid"
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"k8s.io/kubernetes/test/e2e/framework"
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imageutils "k8s.io/kubernetes/test/utils/image"
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)
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var _ = framework.KubeDescribe("Docker Containers", func() {
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f := framework.NewDefaultFramework("containers")
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/*
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Testname: container-without-command-args
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Description: When a Pod is created neither 'command' nor 'args' are
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provided for a Container, ensure that the docker image's default
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command and args are used.
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*/
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framework.ConformanceIt("should use the image defaults if command and args are blank [NodeConformance]", func() {
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f.TestContainerOutput("use defaults", entrypointTestPod(), 0, []string{
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"[/ep default arguments]",
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})
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})
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/*
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Testname: container-with-args
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Description: When a Pod is created and 'args' are provided for a
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Container, ensure that they take precedent to the docker image's
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default arguments, but that the default command is used.
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*/
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framework.ConformanceIt("should be able to override the image's default arguments (docker cmd) [NodeConformance]", func() {
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pod := entrypointTestPod()
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pod.Spec.Containers[0].Args = []string{"override", "arguments"}
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f.TestContainerOutput("override arguments", pod, 0, []string{
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"[/ep override arguments]",
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})
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})
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// Note: when you override the entrypoint, the image's arguments (docker cmd)
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// are ignored.
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/*
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Testname: container-with-command
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Description: When a Pod is created and 'command' is provided for a
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Container, ensure that it takes precedent to the docker image's default
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command.
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*/
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framework.ConformanceIt("should be able to override the image's default command (docker entrypoint) [NodeConformance]", func() {
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pod := entrypointTestPod()
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pod.Spec.Containers[0].Command = []string{"/ep-2"}
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f.TestContainerOutput("override command", pod, 0, []string{
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"[/ep-2]",
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})
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})
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/*
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Testname: container-with-command-args
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Description: When a Pod is created and 'command' and 'args' are
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provided for a Container, ensure that they take precedent to the docker
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image's default command and arguments.
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*/
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framework.ConformanceIt("should be able to override the image's default command and arguments [NodeConformance]", func() {
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pod := entrypointTestPod()
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pod.Spec.Containers[0].Command = []string{"/ep-2"}
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pod.Spec.Containers[0].Args = []string{"override", "arguments"}
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f.TestContainerOutput("override all", pod, 0, []string{
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"[/ep-2 override arguments]",
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})
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})
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})
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const testContainerName = "test-container"
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// Return a prototypical entrypoint test pod
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func entrypointTestPod() *v1.Pod {
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podName := "client-containers-" + string(uuid.NewUUID())
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one := int64(1)
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return &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: testContainerName,
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Image: imageutils.GetE2EImage(imageutils.EntrypointTester),
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},
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},
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RestartPolicy: v1.RestartPolicyNever,
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TerminationGracePeriodSeconds: &one,
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},
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}
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}
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