mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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82 lines
2.5 KiB
Go
82 lines
2.5 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 kubeadm
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import (
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"bytes"
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"os"
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"os/exec"
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"testing"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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)
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// Forked from test/e2e/framework because the e2e framework is quite bloated
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// for our purposes here, and modified to remove undesired logging.
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func runCmdNoWrap(command string, args ...string) (string, string, int, error) {
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var bout, berr bytes.Buffer
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cmd := exec.Command(command, args...)
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cmd.Stdout = &bout
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cmd.Stderr = &berr
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err := cmd.Run()
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stdout, stderr := bout.String(), berr.String()
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return stdout, stderr, cmd.ProcessState.ExitCode(), err
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}
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// RunCmd is a utility function for kubeadm testing that executes a specified command
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func RunCmd(command string, args ...string) (string, string, int, error) {
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stdout, stderr, retcode, err := runCmdNoWrap(command, args...)
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if err != nil {
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return stdout, stderr, retcode, errors.Wrapf(err, "error running %s %v; \nretcode %d, \nstdout %q, \nstderr %q, \ngot error",
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command, args, retcode, stdout, stderr)
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}
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return stdout, stderr, retcode, nil
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}
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// RunSubCommand is a utility function for kubeadm testing that executes a Cobra sub command
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func RunSubCommand(t *testing.T, subCmds []*cobra.Command, command string, args ...string) {
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subCmd := getSubCommand(t, subCmds, command)
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subCmd.SetArgs(args)
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if err := subCmd.Execute(); err != nil {
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t.Fatalf("Could not execute subcommand: %s", command)
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}
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}
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func getSubCommand(t *testing.T, subCmds []*cobra.Command, name string) *cobra.Command {
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for _, subCmd := range subCmds {
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if subCmd.Name() == name {
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return subCmd
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}
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}
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t.Fatalf("Unable to find sub command %s", name)
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return nil
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}
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// getKubeadmPath returns the contents of the environment variable KUBEADM_PATH
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// or panics if it's empty
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func getKubeadmPath() string {
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kubeadmPath := os.Getenv("KUBEADM_PATH")
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if len(kubeadmPath) == 0 {
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panic("the environment variable KUBEADM_PATH must point to the kubeadm binary path")
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}
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return kubeadmPath
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}
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