exec.go

/*
Copyright 2015 The Kubernetes Authors All rights reserved.

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 e2e

import (
	"fmt"
	"path/filepath"

	"k8s.io/kubernetes/pkg/api"
	client "k8s.io/kubernetes/pkg/client/unversioned"
	"k8s.io/kubernetes/pkg/util"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

const ()

var _ = Describe("Remote command execution", func() {
	defer GinkgoRecover()

	var c *client.Client
	var ns string
	var testingNs *api.Namespace

	BeforeEach(func() {
		var err error
		c, err = loadClient()
		expectNoError(err)
		testingNs, err = createTestingNS("kubectl", c)
		Expect(err).NotTo(HaveOccurred())
		ns = testingNs.Name
	})

	AfterEach(func() {
		By(fmt.Sprintf("Destroying namespace for this suite %v", ns))
		if err := deleteNS(c, ns); err != nil {
			Failf("Couldn't delete ns %s", err)
		}
	})

	Describe("Using a proxy", func() {
		BeforeEach(func() {
			podPath := filepath.Join(testContext.RepoRoot, "docs/user-guide/pod.yaml")
			By("creating the nginx pod")
			runKubectl("create", "-f", podPath, fmt.Sprintf("--namespace=%v", ns))
			checkPodsRunningReady(c, ns, []string{simplePodName}, podStartTimeout)

			By("creating the proxy pod")
			//runKubectl("create", "-f", podPath, fmt.Sprintf("--namespace=%v", ns))
			podName := "proxy-" + string(util.NewUUID())
			pod := &api.Pod{
				ObjectMeta: api.ObjectMeta{
					Name:   podName,
					Labels: map[string]string{"name": podName},
				},
				Spec: api.PodSpec{
					Containers: []api.Container{
						{
							Name:  "test-proxy",
							Image: "ncdc/goproxy",
						},
					},
					RestartPolicy: api.RestartPolicyNever,
				},
			}

			if _, err := c.Pods(ns).Create(pod); err != nil {
				Failf("Error creating proxy pod: %v", err)
			}

			checkPodsRunningReady(c, ns, []string{podName}, podStartTimeout)

			pod, err := c.Pods(ns).Get(podName)
			if err != nil {
				Failf("Error getting proxy pod: %v", err)
			}

			//pod.Status.PodIP

		})
		AfterEach(func() {
			//cleanup(podPath, ns, simplePodSelector)
		})

		It("should support exec", func() {
			By("executing a command in the container using an http proxy")
			execOutput := newKubectlCommand("exec", fmt.Sprintf("--namespace=%v", ns), simplePodName, "echo", "running", "in", "container").
				withEnv("http_proxy=").
				exec()
			expectedExecOutput := "running in container"
			if execOutput != expectedExecOutput {
				Failf("Unexpected kubectl exec output. Wanted '%s', got '%s'", execOutput, expectedExecOutput)
			}
		})
	})

})