mirror of
https://github.com/kata-containers/kata-containers.git
synced 2025-10-21 11:58:41 +00:00
50b445cf35
Add a comment to clarify that the caller of testRunContainerSetup() cleans up the tmpdir. Signed-off-by: Graham Whaley <graham.whaley@intel.com>
628 lines
17 KiB
Go
628 lines
17 KiB
Go
// Copyright (c) 2017 Intel Corporation
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package main
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import (
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"testing"
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vc "github.com/kata-containers/runtime/virtcontainers"
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vcAnnotations "github.com/kata-containers/runtime/virtcontainers/pkg/annotations"
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"github.com/kata-containers/runtime/virtcontainers/pkg/oci"
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"github.com/kata-containers/runtime/virtcontainers/pkg/vcmock"
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"github.com/stretchr/testify/assert"
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"github.com/urfave/cli"
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)
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func TestRunCliAction(t *testing.T) {
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assert := assert.New(t)
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flagSet := flag.NewFlagSet("flag", flag.ContinueOnError)
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flagSet.Parse([]string{"runtime"})
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// create a new fake context
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ctx := cli.NewContext(&cli.App{Metadata: map[string]interface{}{}}, flagSet, nil)
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// get Action function
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actionFunc, ok := runCLICommand.Action.(func(ctx *cli.Context) error)
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assert.True(ok)
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err := actionFunc(ctx)
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assert.Error(err, "missing runtime configuration")
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// temporal dir to place container files
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tmpdir, err := ioutil.TempDir("", "")
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assert.NoError(err)
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defer os.RemoveAll(tmpdir)
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// create a new runtime config
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runtimeConfig, err := newTestRuntimeConfig(tmpdir, "/dev/ptmx", true)
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assert.NoError(err)
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ctx.App.Metadata = map[string]interface{}{
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"runtimeConfig": runtimeConfig,
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}
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err = actionFunc(ctx)
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assert.Error(err, "run without args")
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}
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func TestRunInvalidArgs(t *testing.T) {
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assert := assert.New(t)
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sandbox := &vcmock.Sandbox{
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MockID: testSandboxID,
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MockContainers: []*vcmock.Container{
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{MockID: testContainerID},
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},
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}
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// fake functions used to run containers
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testingImpl.CreateSandboxFunc = func(sandboxConfig vc.SandboxConfig) (vc.VCSandbox, error) {
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return sandbox, nil
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}
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testingImpl.StartSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
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return sandbox, nil
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}
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path, err := ioutil.TempDir("", "containers-mapping")
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assert.NoError(err)
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defer os.RemoveAll(path)
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ctrsMapTreePath = path
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defer func() {
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testingImpl.CreateSandboxFunc = nil
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testingImpl.StartSandboxFunc = nil
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}()
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// temporal dir to place container files
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tmpdir, err := ioutil.TempDir("", "")
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assert.NoError(err)
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defer os.RemoveAll(tmpdir)
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// create a new bundle
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bundlePath := filepath.Join(tmpdir, "bundle")
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err = os.MkdirAll(bundlePath, testDirMode)
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assert.NoError(err)
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err = makeOCIBundle(bundlePath)
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assert.NoError(err)
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// pid file
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pidFilePath := filepath.Join(tmpdir, "pid")
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// console file
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consolePath := "/dev/ptmx"
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// inexistent path
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inexistentPath := "/this/path/does/not/exist"
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runtimeConfig, err := newTestRuntimeConfig(tmpdir, consolePath, true)
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assert.NoError(err)
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type testArgs struct {
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containerID string
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bundle string
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console string
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consoleSocket string
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pidFile string
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detach bool
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runtimeConfig oci.RuntimeConfig
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}
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args := []testArgs{
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{"", "", "", "", "", true, oci.RuntimeConfig{}},
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{"", "", "", "", "", false, oci.RuntimeConfig{}},
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{"", "", "", "", "", true, runtimeConfig},
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{"", "", "", "", "", false, runtimeConfig},
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{"", "", "", "", pidFilePath, false, runtimeConfig},
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{"", "", "", "", inexistentPath, false, runtimeConfig},
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{"", "", "", "", pidFilePath, false, runtimeConfig},
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{"", "", "", inexistentPath, pidFilePath, false, runtimeConfig},
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{"", "", inexistentPath, inexistentPath, pidFilePath, false, runtimeConfig},
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{"", "", inexistentPath, "", pidFilePath, false, runtimeConfig},
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{"", "", consolePath, "", pidFilePath, false, runtimeConfig},
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{"", bundlePath, consolePath, "", pidFilePath, false, runtimeConfig},
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{testContainerID, inexistentPath, consolePath, "", pidFilePath, false, oci.RuntimeConfig{}},
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{testContainerID, inexistentPath, consolePath, "", inexistentPath, false, oci.RuntimeConfig{}},
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{testContainerID, bundlePath, consolePath, "", pidFilePath, false, oci.RuntimeConfig{}},
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{testContainerID, inexistentPath, consolePath, "", pidFilePath, false, runtimeConfig},
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{testContainerID, inexistentPath, consolePath, "", inexistentPath, false, runtimeConfig},
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{testContainerID, bundlePath, consolePath, "", pidFilePath, false, runtimeConfig},
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}
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for i, a := range args {
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err := run(a.containerID, a.bundle, a.console, a.consoleSocket, a.pidFile, a.detach, a.runtimeConfig)
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assert.Errorf(err, "test %d (%+v)", i, a)
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}
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}
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type runContainerData struct {
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pidFilePath string
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consolePath string
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bundlePath string
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configJSON string
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sandbox *vcmock.Sandbox
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runtimeConfig oci.RuntimeConfig
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process *os.Process
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tmpDir string
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}
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func testRunContainerSetup(t *testing.T) runContainerData {
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assert := assert.New(t)
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// create a fake container workload
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workload := []string{"/bin/sleep", "10"}
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cmd := exec.Command(workload[0], workload[1:]...)
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err := cmd.Start()
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assert.NoError(err, "unable to start fake container workload %+v: %s", workload, err)
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// temporal dir to place container files
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// Note - it is returned to the caller, who does the defer remove to clean up.
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tmpdir, err := ioutil.TempDir("", "")
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assert.NoError(err)
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// pid file
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pidFilePath := filepath.Join(tmpdir, "pid")
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// console file
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consolePath := "/dev/ptmx"
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// create a new bundle
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bundlePath := filepath.Join(tmpdir, "bundle")
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err = makeOCIBundle(bundlePath)
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assert.NoError(err)
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// config json path
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configPath := filepath.Join(bundlePath, specConfig)
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// sandbox id and container id must be the same otherwise delete will not works
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sandbox := &vcmock.Sandbox{
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MockID: testContainerID,
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}
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sandbox.MockContainers = []*vcmock.Container{
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{
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MockID: testContainerID,
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MockPid: cmd.Process.Pid,
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MockSandbox: sandbox,
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},
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}
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// create a new runtime config
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runtimeConfig, err := newTestRuntimeConfig(tmpdir, consolePath, true)
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assert.NoError(err)
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configJSON, err := readOCIConfigJSON(configPath)
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assert.NoError(err)
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return runContainerData{
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pidFilePath: pidFilePath,
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consolePath: consolePath,
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bundlePath: bundlePath,
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configJSON: configJSON,
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sandbox: sandbox,
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runtimeConfig: runtimeConfig,
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process: cmd.Process,
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tmpDir: tmpdir,
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}
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}
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func TestRunContainerSuccessful(t *testing.T) {
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assert := assert.New(t)
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d := testRunContainerSetup(t)
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defer os.RemoveAll(d.tmpDir)
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// this flags is used to detect if createSandboxFunc was called
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flagCreate := false
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// fake functions used to run containers
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testingImpl.CreateSandboxFunc = func(sandboxConfig vc.SandboxConfig) (vc.VCSandbox, error) {
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flagCreate = true
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return d.sandbox, nil
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}
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testingImpl.StartSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
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return d.sandbox, nil
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}
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path, err := ioutil.TempDir("", "containers-mapping")
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assert.NoError(err)
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defer os.RemoveAll(path)
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ctrsMapTreePath = path
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testingImpl.StatusContainerFunc = func(sandboxID, containerID string) (vc.ContainerStatus, error) {
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// return an empty list on create
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if !flagCreate {
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return vc.ContainerStatus{}, nil
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}
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// return a sandboxStatus with the container status
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return vc.ContainerStatus{
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ID: d.sandbox.ID(),
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Annotations: map[string]string{
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vcAnnotations.ContainerTypeKey: string(vc.PodContainer),
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vcAnnotations.ConfigJSONKey: d.configJSON,
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},
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}, nil
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}
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testingImpl.StartContainerFunc = func(sandboxID, containerID string) (vc.VCContainer, error) {
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// now we can kill the fake container workload
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err := d.process.Kill()
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assert.NoError(err)
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return d.sandbox.MockContainers[0], nil
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}
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testingImpl.DeleteSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
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return d.sandbox, nil
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}
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testingImpl.DeleteContainerFunc = func(sandboxID, containerID string) (vc.VCContainer, error) {
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return d.sandbox.MockContainers[0], nil
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}
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defer func() {
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testingImpl.CreateSandboxFunc = nil
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testingImpl.StartSandboxFunc = nil
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testingImpl.StatusContainerFunc = nil
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testingImpl.StartContainerFunc = nil
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testingImpl.DeleteSandboxFunc = nil
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testingImpl.DeleteContainerFunc = nil
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}()
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err = run(d.sandbox.ID(), d.bundlePath, d.consolePath, "", d.pidFilePath, false, d.runtimeConfig)
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// should return ExitError with the message and exit code
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e, ok := err.(*cli.ExitError)
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assert.True(ok, "error should be a cli.ExitError: %s", err)
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assert.Empty(e.Error())
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assert.NotZero(e.ExitCode())
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}
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func TestRunContainerDetachSuccessful(t *testing.T) {
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assert := assert.New(t)
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d := testRunContainerSetup(t)
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defer os.RemoveAll(d.tmpDir)
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// this flags is used to detect if createSandboxFunc was called
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flagCreate := false
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// fake functions used to run containers
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testingImpl.CreateSandboxFunc = func(sandboxConfig vc.SandboxConfig) (vc.VCSandbox, error) {
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flagCreate = true
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return d.sandbox, nil
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}
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testingImpl.StartSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
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return d.sandbox, nil
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}
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path, err := ioutil.TempDir("", "containers-mapping")
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assert.NoError(err)
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defer os.RemoveAll(path)
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ctrsMapTreePath = path
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testingImpl.StatusContainerFunc = func(sandboxID, containerID string) (vc.ContainerStatus, error) {
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// return an empty list on create
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if !flagCreate {
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return vc.ContainerStatus{}, nil
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}
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// return a sandboxStatus with the container status
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return vc.ContainerStatus{
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ID: d.sandbox.ID(),
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Annotations: map[string]string{
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vcAnnotations.ContainerTypeKey: string(vc.PodContainer),
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vcAnnotations.ConfigJSONKey: d.configJSON,
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},
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}, nil
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}
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testingImpl.StartContainerFunc = func(sandboxID, containerID string) (vc.VCContainer, error) {
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// now we can kill the fake container workload
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err := d.process.Kill()
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assert.NoError(err)
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return d.sandbox.MockContainers[0], nil
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}
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testingImpl.DeleteSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
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return d.sandbox, nil
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}
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testingImpl.DeleteContainerFunc = func(sandboxID, containerID string) (vc.VCContainer, error) {
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return d.sandbox.MockContainers[0], nil
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}
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defer func() {
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testingImpl.CreateSandboxFunc = nil
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testingImpl.StartSandboxFunc = nil
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testingImpl.StatusContainerFunc = nil
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testingImpl.StartContainerFunc = nil
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testingImpl.DeleteSandboxFunc = nil
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testingImpl.DeleteContainerFunc = nil
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}()
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err = run(d.sandbox.ID(), d.bundlePath, d.consolePath, "", d.pidFilePath, true, d.runtimeConfig)
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// should not return ExitError
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assert.NoError(err)
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}
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func TestRunContainerDeleteFail(t *testing.T) {
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assert := assert.New(t)
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d := testRunContainerSetup(t)
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defer os.RemoveAll(d.tmpDir)
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// this flags is used to detect if createSandboxFunc was called
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flagCreate := false
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// fake functions used to run containers
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testingImpl.CreateSandboxFunc = func(sandboxConfig vc.SandboxConfig) (vc.VCSandbox, error) {
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flagCreate = true
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return d.sandbox, nil
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}
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testingImpl.StartSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
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return d.sandbox, nil
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}
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path, err := ioutil.TempDir("", "containers-mapping")
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assert.NoError(err)
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defer os.RemoveAll(path)
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ctrsMapTreePath = path
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testingImpl.StatusContainerFunc = func(sandboxID, containerID string) (vc.ContainerStatus, error) {
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// return an empty list on create
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if !flagCreate {
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return vc.ContainerStatus{}, nil
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}
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// return a sandboxStatus with the container status
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return vc.ContainerStatus{
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ID: d.sandbox.ID(),
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Annotations: map[string]string{
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vcAnnotations.ContainerTypeKey: string(vc.PodContainer),
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vcAnnotations.ConfigJSONKey: d.configJSON,
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},
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}, nil
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}
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testingImpl.StartContainerFunc = func(sandboxID, containerID string) (vc.VCContainer, error) {
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// now we can kill the fake container workload
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err := d.process.Kill()
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assert.NoError(err)
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return d.sandbox.MockContainers[0], nil
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}
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testingImpl.DeleteSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
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// return an error to provoke a failure in delete
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return nil, fmt.Errorf("DeleteSandboxFunc")
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}
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testingImpl.DeleteContainerFunc = func(sandboxID, containerID string) (vc.VCContainer, error) {
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// return an error to provoke a failure in delete
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return d.sandbox.MockContainers[0], fmt.Errorf("DeleteContainerFunc")
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}
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defer func() {
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testingImpl.CreateSandboxFunc = nil
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testingImpl.StartSandboxFunc = nil
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testingImpl.StatusContainerFunc = nil
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testingImpl.StartContainerFunc = nil
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testingImpl.DeleteSandboxFunc = nil
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testingImpl.DeleteContainerFunc = nil
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}()
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err = run(d.sandbox.ID(), d.bundlePath, d.consolePath, "", d.pidFilePath, false, d.runtimeConfig)
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// should not return ExitError
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err, ok := err.(*cli.ExitError)
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assert.False(ok, "error should not be a cli.ExitError: %s", err)
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}
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func TestRunContainerWaitFail(t *testing.T) {
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assert := assert.New(t)
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d := testRunContainerSetup(t)
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defer os.RemoveAll(d.tmpDir)
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// this flags is used to detect if createSandboxFunc was called
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flagCreate := false
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// fake functions used to run containers
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testingImpl.CreateSandboxFunc = func(sandboxConfig vc.SandboxConfig) (vc.VCSandbox, error) {
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flagCreate = true
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return d.sandbox, nil
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}
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testingImpl.StartSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
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return d.sandbox, nil
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}
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path, err := ioutil.TempDir("", "containers-mapping")
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assert.NoError(err)
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defer os.RemoveAll(path)
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ctrsMapTreePath = path
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testingImpl.StatusContainerFunc = func(sandboxID, containerID string) (vc.ContainerStatus, error) {
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// return an empty list on create
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if !flagCreate {
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return vc.ContainerStatus{}, nil
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}
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// return a sandboxStatus with the container status
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return vc.ContainerStatus{
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ID: d.sandbox.ID(),
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Annotations: map[string]string{
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vcAnnotations.ContainerTypeKey: string(vc.PodContainer),
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vcAnnotations.ConfigJSONKey: d.configJSON,
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},
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}, nil
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}
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testingImpl.StartContainerFunc = func(sandboxID, containerID string) (vc.VCContainer, error) {
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// now we can kill the fake container workload
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err := d.process.Kill()
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assert.NoError(err)
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// change PID to provoke a failure in Wait
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d.sandbox.MockContainers[0].MockPid = -1
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return d.sandbox.MockContainers[0], nil
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}
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testingImpl.DeleteSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
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// return an error to provoke a failure in delete
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return nil, fmt.Errorf("DeleteSandboxFunc")
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}
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testingImpl.DeleteContainerFunc = func(sandboxID, containerID string) (vc.VCContainer, error) {
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// return an error to provoke a failure in delete
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return d.sandbox.MockContainers[0], fmt.Errorf("DeleteContainerFunc")
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}
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defer func() {
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testingImpl.CreateSandboxFunc = nil
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testingImpl.StartSandboxFunc = nil
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testingImpl.StatusContainerFunc = nil
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testingImpl.StartContainerFunc = nil
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testingImpl.DeleteSandboxFunc = nil
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testingImpl.DeleteContainerFunc = nil
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}()
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err = run(d.sandbox.ID(), d.bundlePath, d.consolePath, "", d.pidFilePath, false, d.runtimeConfig)
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// should not return ExitError
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err, ok := err.(*cli.ExitError)
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assert.False(ok, "error should not be a cli.ExitError: %s", err)
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}
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func TestRunContainerStartFail(t *testing.T) {
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assert := assert.New(t)
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d := testRunContainerSetup(t)
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defer os.RemoveAll(d.tmpDir)
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// now we can kill the fake container workload
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err := d.process.Kill()
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assert.NoError(err)
|
|
|
|
// this flags is used to detect if createSandboxFunc was called
|
|
flagCreate := false
|
|
|
|
// fake functions used to run containers
|
|
testingImpl.CreateSandboxFunc = func(sandboxConfig vc.SandboxConfig) (vc.VCSandbox, error) {
|
|
flagCreate = true
|
|
return d.sandbox, nil
|
|
}
|
|
|
|
testingImpl.StartSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
|
|
// start fails
|
|
return nil, fmt.Errorf("StartSandbox")
|
|
}
|
|
|
|
path, err := ioutil.TempDir("", "containers-mapping")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(path)
|
|
ctrsMapTreePath = path
|
|
|
|
testingImpl.StatusContainerFunc = func(sandboxID, containerID string) (vc.ContainerStatus, error) {
|
|
// return an empty list on create
|
|
if !flagCreate {
|
|
return vc.ContainerStatus{}, nil
|
|
}
|
|
|
|
// return a sandboxStatus with the container status
|
|
return vc.ContainerStatus{
|
|
ID: d.sandbox.ID(),
|
|
Annotations: map[string]string{
|
|
vcAnnotations.ContainerTypeKey: string(vc.PodContainer),
|
|
vcAnnotations.ConfigJSONKey: d.configJSON,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
defer func() {
|
|
testingImpl.CreateSandboxFunc = nil
|
|
testingImpl.StartSandboxFunc = nil
|
|
testingImpl.StatusContainerFunc = nil
|
|
}()
|
|
|
|
err = run(d.sandbox.ID(), d.bundlePath, d.consolePath, "", d.pidFilePath, false, d.runtimeConfig)
|
|
|
|
// should not return ExitError
|
|
err, ok := err.(*cli.ExitError)
|
|
assert.False(ok, "error should not be a cli.ExitError: %s", err)
|
|
}
|
|
|
|
func TestRunContainerStartFailExistingContainer(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
d := testRunContainerSetup(t)
|
|
defer os.RemoveAll(d.tmpDir)
|
|
|
|
sandbox := &vcmock.Sandbox{
|
|
MockID: testSandboxID,
|
|
}
|
|
|
|
sandbox.MockContainers = []*vcmock.Container{
|
|
{
|
|
MockID: testContainerID,
|
|
MockSandbox: sandbox,
|
|
},
|
|
}
|
|
|
|
path, err := createTempContainerIDMapping(testContainerID, sandbox.ID())
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(path)
|
|
|
|
testingImpl.StatusContainerFunc = func(sandboxID, containerID string) (vc.ContainerStatus, error) {
|
|
// return the container status
|
|
return vc.ContainerStatus{
|
|
ID: testContainerID,
|
|
Annotations: map[string]string{
|
|
vcAnnotations.ContainerTypeKey: string(vc.PodContainer),
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
testingImpl.CreateSandboxFunc = func(sandboxConfig vc.SandboxConfig) (vc.VCSandbox, error) {
|
|
return sandbox, nil
|
|
}
|
|
|
|
testingImpl.StartSandboxFunc = func(sandboxID string) (vc.VCSandbox, error) {
|
|
// force no containers
|
|
sandbox.MockContainers = nil
|
|
|
|
return sandbox, nil
|
|
}
|
|
|
|
defer func() {
|
|
testingImpl.StatusContainerFunc = nil
|
|
testingImpl.CreateSandboxFunc = nil
|
|
testingImpl.StartSandboxFunc = nil
|
|
}()
|
|
|
|
err = run(d.sandbox.ID(), d.bundlePath, d.consolePath, "", d.pidFilePath, false, d.runtimeConfig)
|
|
assert.Error(err)
|
|
assert.False(vcmock.IsMockError(err))
|
|
}
|