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move KubectlCmd out of utils into its own package

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This commit is contained in:
MorrisLaw 2019-10-31 18:27:44 +00:00
parent de63e573ca
commit cd8da67b03
11 changed files with 80 additions and 40 deletions
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1
test/e2e/framework/BUILD
View File

@ -72,6 +72,7 @@ go_library(
"//staging/src/k8s.io/component-base/cli/flag:go_default_library",
"//test/e2e/framework/auth:go_default_library",
"//test/e2e/framework/ginkgowrapper:go_default_library",
"//test/e2e/framework/kubectl:go_default_library",
"//test/e2e/framework/metrics:go_default_library",
"//test/e2e/framework/node:go_default_library",
"//test/e2e/framework/pod:go_default_library",

4
test/e2e/framework/framework.go
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@ -52,6 +52,7 @@ import (
"github.com/onsi/gomega"
// TODO: Remove the following imports (ref: https://github.com/kubernetes/kubernetes/issues/81245)
e2ekubectl "k8s.io/kubernetes/test/e2e/framework/kubectl"
e2emetrics "k8s.io/kubernetes/test/e2e/framework/metrics"
e2enode "k8s.io/kubernetes/test/e2e/framework/node"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
@ -702,7 +703,8 @@ func kubectlExec(namespace string, podName, containerName string, args ...string
}
cmdArgs = append(cmdArgs, args...)
cmd := KubectlCmd(cmdArgs...)
tk := e2ekubectl.NewTestKubeconfig(TestContext.CertDir, TestContext.Host, TestContext.KubeConfig, TestContext.KubeContext, TestContext.KubectlPath)
cmd := tk.KubectlCmd(cmdArgs...)
cmd.Stdout, cmd.Stderr = &stdout, &stderr
Logf("Running '%s %s'", cmd.Path, strings.Join(cmdArgs, " "))

1
test/e2e/framework/kubectl/BUILD
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@ -9,6 +9,7 @@ go_library(
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/tools/clientcmd:go_default_library",
"//test/e2e/framework:go_default_library",
"//test/e2e/framework/pod:go_default_library",
"//test/utils:go_default_library",

58
test/e2e/framework/kubectl/kubectl_utils.go
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@ -17,16 +17,74 @@ limitations under the License.
package kubectl
import (
"fmt"
"os/exec"
"path/filepath"
"strings"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/kubernetes/test/e2e/framework"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
testutils "k8s.io/kubernetes/test/utils"
)
// TestKubeconfig is a struct containing the minimum attributes needed to run KubectlCmd.
type TestKubeconfig struct {
CertDir string
Host string
KubeConfig string
KubeContext string
KubectlPath string
}
// NewTestKubeconfig returns a new Kubeconfig struct instance.
func NewTestKubeconfig(certdir string, host string, kubeconfig string, kubecontext string, kubectlpath string) *TestKubeconfig {
return &TestKubeconfig{
CertDir: certdir,
Host: host,
KubeConfig: kubeconfig,
KubeContext: kubecontext,
KubectlPath: kubectlpath,
}
}
// KubectlCmd runs the kubectl executable through the wrapper script.
func (tk *TestKubeconfig) KubectlCmd(args ...string) *exec.Cmd {
defaultArgs := []string{}
// Reference a --server option so tests can run anywhere.
if tk.Host != "" {
defaultArgs = append(defaultArgs, "--"+clientcmd.FlagAPIServer+"="+tk.Host)
}
if tk.KubeConfig != "" {
defaultArgs = append(defaultArgs, "--"+clientcmd.RecommendedConfigPathFlag+"="+tk.KubeConfig)
// Reference the KubeContext
if tk.KubeContext != "" {
defaultArgs = append(defaultArgs, "--"+clientcmd.FlagContext+"="+tk.KubeContext)
}
} else {
if tk.CertDir != "" {
defaultArgs = append(defaultArgs,
fmt.Sprintf("--certificate-authority=%s", filepath.Join(tk.CertDir, "ca.crt")),
fmt.Sprintf("--client-certificate=%s", filepath.Join(tk.CertDir, "kubecfg.crt")),
fmt.Sprintf("--client-key=%s", filepath.Join(tk.CertDir, "kubecfg.key")))
}
}
kubectlArgs := append(defaultArgs, args...)
//We allow users to specify path to kubectl, so you can test either "kubectl" or "cluster/kubectl.sh"
//and so on.
cmd := exec.Command(tk.KubectlPath, kubectlArgs...)
//caller will invoke this and wait on it.
return cmd
}
// LogFailedContainers runs `kubectl logs` on a failed containers.
func LogFailedContainers(c clientset.Interface, ns string, logFunc func(ftm string, args ...interface{})) {
podList, err := c.CoreV1().Pods(ns).List(metav1.ListOptions{})

38
test/e2e/framework/util.go
View File

@ -75,6 +75,7 @@ import (
uexec "k8s.io/utils/exec"
// TODO: Remove the following imports (ref: https://github.com/kubernetes/kubernetes/issues/81245)
e2ekubectl "k8s.io/kubernetes/test/e2e/framework/kubectl"
e2emetrics "k8s.io/kubernetes/test/e2e/framework/metrics"
e2enode "k8s.io/kubernetes/test/e2e/framework/node"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
@ -620,40 +621,6 @@ func AssertCleanup(ns string, selectors ...string) {
}
}
// KubectlCmd runs the kubectl executable through the wrapper script.
func KubectlCmd(args ...string) *exec.Cmd {
defaultArgs := []string{}
// Reference a --server option so tests can run anywhere.
if TestContext.Host != "" {
defaultArgs = append(defaultArgs, "--"+clientcmd.FlagAPIServer+"="+TestContext.Host)
}
if TestContext.KubeConfig != "" {
defaultArgs = append(defaultArgs, "--"+clientcmd.RecommendedConfigPathFlag+"="+TestContext.KubeConfig)
// Reference the KubeContext
if TestContext.KubeContext != "" {
defaultArgs = append(defaultArgs, "--"+clientcmd.FlagContext+"="+TestContext.KubeContext)
}
} else {
if TestContext.CertDir != "" {
defaultArgs = append(defaultArgs,
fmt.Sprintf("--certificate-authority=%s", filepath.Join(TestContext.CertDir, "ca.crt")),
fmt.Sprintf("--client-certificate=%s", filepath.Join(TestContext.CertDir, "kubecfg.crt")),
fmt.Sprintf("--client-key=%s", filepath.Join(TestContext.CertDir, "kubecfg.key")))
}
}
kubectlArgs := append(defaultArgs, args...)
//We allow users to specify path to kubectl, so you can test either "kubectl" or "cluster/kubectl.sh"
//and so on.
cmd := exec.Command(TestContext.KubectlPath, kubectlArgs...)
//caller will invoke this and wait on it.
return cmd
}
// LookForStringInPodExec looks for the given string in the output of a command
// executed in a specific pod container.
// TODO(alejandrox1): move to pod/ subpkg once kubectl methods are refactored.
@ -691,7 +658,8 @@ type KubectlBuilder struct {
// NewKubectlCommand returns a KubectlBuilder for running kubectl.
func NewKubectlCommand(args ...string) *KubectlBuilder {
b := new(KubectlBuilder)
b.cmd = KubectlCmd(args...)
tk := e2ekubectl.NewTestKubeconfig(TestContext.CertDir, TestContext.Host, TestContext.KubeConfig, TestContext.KubeContext, TestContext.KubectlPath)
b.cmd = tk.KubectlCmd(args...)
return b
}

1
test/e2e/kubectl/BUILD
View File

@ -42,6 +42,7 @@ go_library(
"//test/e2e/framework/auth:go_default_library",
"//test/e2e/framework/endpoints:go_default_library",
"//test/e2e/framework/job:go_default_library",
"//test/e2e/framework/kubectl:go_default_library",
"//test/e2e/framework/pod:go_default_library",
"//test/e2e/framework/service:go_default_library",
"//test/e2e/framework/testfiles:go_default_library",

7
test/e2e/kubectl/kubectl.go
View File

@ -70,6 +70,7 @@ import (
"k8s.io/kubernetes/test/e2e/framework/auth"
e2eendpoints "k8s.io/kubernetes/test/e2e/framework/endpoints"
jobutil "k8s.io/kubernetes/test/e2e/framework/job"
e2ekubectl "k8s.io/kubernetes/test/e2e/framework/kubectl"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
e2eservice "k8s.io/kubernetes/test/e2e/framework/service"
"k8s.io/kubernetes/test/e2e/framework/testfiles"
@ -1993,7 +1994,8 @@ metadata:
path := filepath.Join(tmpdir, "test")
defer os.Remove(path)
defer os.Remove(tmpdir)
cmd := framework.KubectlCmd("proxy", fmt.Sprintf("--unix-socket=%s", path))
tk := e2ekubectl.NewTestKubeconfig(framework.TestContext.CertDir, framework.TestContext.Host, framework.TestContext.KubeConfig, framework.TestContext.KubeContext, framework.TestContext.KubectlPath)
cmd := tk.KubectlCmd("proxy", fmt.Sprintf("--unix-socket=%s", path))
stdout, stderr, err := framework.StartCmdAndStreamOutput(cmd)
if err != nil {
framework.Failf("Failed to start kubectl command: %v", err)
@ -2249,7 +2251,8 @@ func getAPIVersions(apiEndpoint string) (*metav1.APIVersions, error) {
func startProxyServer() (int, *exec.Cmd, error) {
// Specifying port 0 indicates we want the os to pick a random port.
cmd := framework.KubectlCmd("proxy", "-p", "0", "--disable-filter")
tk := e2ekubectl.NewTestKubeconfig(framework.TestContext.CertDir, framework.TestContext.Host, framework.TestContext.KubeConfig, framework.TestContext.KubeContext, framework.TestContext.KubectlPath)
cmd := tk.KubectlCmd("proxy", "-p", "0", "--disable-filter")
stdout, stderr, err := framework.StartCmdAndStreamOutput(cmd)
if err != nil {
return -1, nil, err

4
test/e2e/kubectl/portforward.go
View File

@ -36,6 +36,7 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/kubernetes/test/e2e/framework"
e2ekubectl "k8s.io/kubernetes/test/e2e/framework/kubectl"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
testutils "k8s.io/kubernetes/test/utils"
imageutils "k8s.io/kubernetes/test/utils/image"
@ -168,7 +169,8 @@ func (c *portForwardCommand) Stop() {
// runPortForward runs port-forward, warning, this may need root functionality on some systems.
func runPortForward(ns, podName string, port int) *portForwardCommand {
cmd := framework.KubectlCmd("port-forward", fmt.Sprintf("--namespace=%v", ns), podName, fmt.Sprintf(":%d", port))
tk := e2ekubectl.NewTestKubeconfig(framework.TestContext.CertDir, framework.TestContext.Host, framework.TestContext.KubeConfig, framework.TestContext.KubeContext, framework.TestContext.KubectlPath)
cmd := tk.KubectlCmd("port-forward", fmt.Sprintf("--namespace=%v", ns), podName, fmt.Sprintf(":%d", port))
// This is somewhat ugly but is the only way to retrieve the port that was picked
// by the port-forward command. We don't want to hard code the port as we have no
// way of guaranteeing we can pick one that isn't in use, particularly on Jenkins.

1
test/e2e/node/pods.go
View File

@ -28,6 +28,7 @@ import (
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/kubernetes/test/e2e/framework"
e2ekubectl "k8s.io/kubernetes/test/e2e/framework/kubectl"
e2ekubelet "k8s.io/kubernetes/test/e2e/framework/kubelet"
imageutils "k8s.io/kubernetes/test/utils/image"

1
test/e2e/windows/BUILD
View File

@ -36,6 +36,7 @@ go_library(
"//staging/src/k8s.io/client-go/tools/cache:go_default_library",
"//staging/src/k8s.io/kubelet/config/v1beta1:go_default_library",
"//test/e2e/framework:go_default_library",
"//test/e2e/framework/kubectl:go_default_library",
"//test/e2e/framework/metrics:go_default_library",
"//test/e2e/framework/network:go_default_library",
"//test/e2e/framework/node:go_default_library",

4
test/e2e/windows/memory_limits.go
View File

@ -35,6 +35,7 @@ import (
kubeletconfigv1beta1 "k8s.io/kubelet/config/v1beta1"
kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
"k8s.io/kubernetes/test/e2e/framework"
e2ekubectl "k8s.io/kubernetes/test/e2e/framework/kubectl"
imageutils "k8s.io/kubernetes/test/utils/image"
"github.com/onsi/ginkgo"
@ -263,7 +264,8 @@ func getCurrentKubeletConfig(nodeName string) (*kubeletconfig.KubeletConfigurati
func pollConfigz(timeout time.Duration, pollInterval time.Duration, nodeName string) *http.Response {
// start local proxy, so we can send graceful deletion over query string, rather than body parameter
ginkgo.By("Opening proxy to cluster")
cmd := framework.KubectlCmd("proxy", "-p", "0")
tk := e2ekubectl.NewTestKubeconfig(framework.TestContext.CertDir, framework.TestContext.Host, framework.TestContext.KubeConfig, framework.TestContext.KubeContext, framework.TestContext.KubectlPath)
cmd := tk.KubectlCmd("proxy", "-p", "0")
stdout, stderr, err := framework.StartCmdAndStreamOutput(cmd)
framework.ExpectNoError(err)
defer stdout.Close()