mirror of
https://github.com/kata-containers/kata-containers.git
synced 2025-10-22 12:29:49 +00:00
e6f066b828
This commit will allow for better performance regarding the time spent to retrieve the sandbox ID related to a container ID. The way it works is by relying on a specific mapping between container IDs and sanbox IDs, meaning it allows to retrieve directly the sandbox ID related to a container ID from the CLI. This lowers complexity from O(n²) to O(1), because we don't need to call into ListPod() which was parsing all the pods and all the containers on the system everytime the CLI need to retrieve this mapping. This commit also updates the whole unit tests as a consequence. This is involving most of them since they were all relying on ListPod() before. Fixes #212 Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
627 lines
17 KiB
Go
627 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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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)
|
|
|
|
d := testRunContainerSetup(t)
|
|
defer os.RemoveAll(d.tmpDir)
|
|
|
|
// now we can kill the fake container workload
|
|
err := d.process.Kill()
|
|
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))
|
|
}
|