mirror of
https://github.com/moby/moby.git
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307 lines
9.3 KiB
Go
307 lines
9.3 KiB
Go
package main
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"os"
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"strings"
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"testing"
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"time"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/versions"
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"github.com/docker/docker/client"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/docker/docker/testutil/request"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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"gotest.tools/v3/poll"
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)
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// Regression test for #9414
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func (s *DockerAPISuite) TestExecAPICreateNoCmd(c *testing.T) {
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name := "exec_test"
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dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")
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res, body, err := request.Post(fmt.Sprintf("/containers/%s/exec", name), request.JSONBody(map[string]interface{}{"Cmd": nil}))
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assert.NilError(c, err)
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if versions.LessThan(testEnv.DaemonAPIVersion(), "1.32") {
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assert.Equal(c, res.StatusCode, http.StatusInternalServerError)
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} else {
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assert.Equal(c, res.StatusCode, http.StatusBadRequest)
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}
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b, err := request.ReadBody(body)
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assert.NilError(c, err)
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assert.Assert(c, strings.Contains(getErrorMessage(c, b), "No exec command specified"), "Expected message when creating exec command with no Cmd specified")
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}
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func (s *DockerAPISuite) TestExecAPICreateNoValidContentType(c *testing.T) {
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name := "exec_test"
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dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")
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jsonData := bytes.NewBuffer(nil)
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if err := json.NewEncoder(jsonData).Encode(map[string]interface{}{"Cmd": nil}); err != nil {
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c.Fatalf("Can not encode data to json %s", err)
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}
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res, body, err := request.Post(fmt.Sprintf("/containers/%s/exec", name), request.RawContent(io.NopCloser(jsonData)), request.ContentType("test/plain"))
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assert.NilError(c, err)
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if versions.LessThan(testEnv.DaemonAPIVersion(), "1.32") {
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assert.Equal(c, res.StatusCode, http.StatusInternalServerError)
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} else {
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assert.Equal(c, res.StatusCode, http.StatusBadRequest)
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}
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b, err := request.ReadBody(body)
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assert.NilError(c, err)
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assert.Assert(c, is.Contains(getErrorMessage(c, b), "unsupported Content-Type header (test/plain): must be 'application/json'"))
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}
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func (s *DockerAPISuite) TestExecAPICreateContainerPaused(c *testing.T) {
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// Not relevant on Windows as Windows containers cannot be paused
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testRequires(c, DaemonIsLinux)
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name := "exec_create_test"
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dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")
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dockerCmd(c, "pause", name)
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cli, err := client.NewClientWithOpts(client.FromEnv)
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assert.NilError(c, err)
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defer cli.Close()
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config := types.ExecConfig{
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Cmd: []string{"true"},
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}
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_, err = cli.ContainerExecCreate(context.Background(), name, config)
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assert.ErrorContains(c, err, "Container "+name+" is paused, unpause the container before exec", "Expected message when creating exec command with Container %s is paused", name)
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}
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func (s *DockerAPISuite) TestExecAPIStart(c *testing.T) {
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testRequires(c, DaemonIsLinux) // Uses pause/unpause but bits may be salvageable to Windows to Windows CI
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dockerCmd(c, "run", "-d", "--name", "test", "busybox", "top")
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id := createExec(c, "test")
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startExec(c, id, http.StatusOK)
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var execJSON struct{ PID int }
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inspectExec(c, id, &execJSON)
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assert.Assert(c, execJSON.PID > 1)
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id = createExec(c, "test")
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dockerCmd(c, "stop", "test")
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startExec(c, id, http.StatusNotFound)
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dockerCmd(c, "start", "test")
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startExec(c, id, http.StatusNotFound)
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// make sure exec is created before pausing
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id = createExec(c, "test")
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dockerCmd(c, "pause", "test")
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startExec(c, id, http.StatusConflict)
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dockerCmd(c, "unpause", "test")
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startExec(c, id, http.StatusOK)
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}
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func (s *DockerAPISuite) TestExecAPIStartEnsureHeaders(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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dockerCmd(c, "run", "-d", "--name", "test", "busybox", "top")
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id := createExec(c, "test")
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resp, _, err := request.Post(fmt.Sprintf("/exec/%s/start", id), request.RawString(`{"Detach": true}`), request.JSON)
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assert.NilError(c, err)
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assert.Assert(c, resp.Header.Get("Server") != "")
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}
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func (s *DockerAPISuite) TestExecAPIStartBackwardsCompatible(c *testing.T) {
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testRequires(c, DaemonIsLinux) // Windows only supports 1.25 or later
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runSleepingContainer(c, "-d", "--name", "test")
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id := createExec(c, "test")
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resp, body, err := request.Post(fmt.Sprintf("/v1.20/exec/%s/start", id), request.RawString(`{"Detach": true}`), request.ContentType("text/plain"))
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assert.NilError(c, err)
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b, err := request.ReadBody(body)
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comment := fmt.Sprintf("response body: %s", b)
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assert.NilError(c, err, comment)
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assert.Equal(c, resp.StatusCode, http.StatusOK, comment)
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}
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// #19362
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func (s *DockerAPISuite) TestExecAPIStartMultipleTimesError(c *testing.T) {
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runSleepingContainer(c, "-d", "--name", "test")
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execID := createExec(c, "test")
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startExec(c, execID, http.StatusOK)
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waitForExec(c, execID)
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startExec(c, execID, http.StatusConflict)
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}
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// #20638
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func (s *DockerAPISuite) TestExecAPIStartWithDetach(c *testing.T) {
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name := "foo"
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runSleepingContainer(c, "-d", "-t", "--name", name)
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config := types.ExecConfig{
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Cmd: []string{"true"},
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AttachStderr: true,
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}
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cli, err := client.NewClientWithOpts(client.FromEnv)
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assert.NilError(c, err)
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defer cli.Close()
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createResp, err := cli.ContainerExecCreate(context.Background(), name, config)
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assert.NilError(c, err)
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_, body, err := request.Post(fmt.Sprintf("/exec/%s/start", createResp.ID), request.RawString(`{"Detach": true}`), request.JSON)
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assert.NilError(c, err)
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b, err := request.ReadBody(body)
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comment := fmt.Sprintf("response body: %s", b)
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assert.NilError(c, err, comment)
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resp, _, err := request.Get("/_ping")
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assert.NilError(c, err)
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if resp.StatusCode != http.StatusOK {
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c.Fatal("daemon is down, it should alive")
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}
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}
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// #30311
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func (s *DockerAPISuite) TestExecAPIStartValidCommand(c *testing.T) {
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name := "exec_test"
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dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")
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id := createExecCmd(c, name, "true")
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startExec(c, id, http.StatusOK)
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waitForExec(c, id)
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var inspectJSON struct{ ExecIDs []string }
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inspectContainer(c, name, &inspectJSON)
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assert.Assert(c, inspectJSON.ExecIDs == nil)
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}
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// #30311
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func (s *DockerAPISuite) TestExecAPIStartInvalidCommand(c *testing.T) {
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name := "exec_test"
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dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")
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id := createExecCmd(c, name, "invalid")
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if versions.LessThan(testEnv.DaemonAPIVersion(), "1.32") {
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startExec(c, id, http.StatusNotFound)
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} else {
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startExec(c, id, http.StatusBadRequest)
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}
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waitForExec(c, id)
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var inspectJSON struct{ ExecIDs []string }
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inspectContainer(c, name, &inspectJSON)
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assert.Assert(c, inspectJSON.ExecIDs == nil)
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}
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func (s *DockerAPISuite) TestExecStateCleanup(c *testing.T) {
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testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon)
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// This test checks accidental regressions. Not part of stable API.
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name := "exec_cleanup"
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cid, _ := dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")
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cid = strings.TrimSpace(cid)
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stateDir := "/var/run/docker/containerd/" + cid
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checkReadDir := func(c *testing.T) (interface{}, string) {
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fi, err := os.ReadDir(stateDir)
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assert.NilError(c, err)
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return len(fi), ""
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}
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fi, err := os.ReadDir(stateDir)
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assert.NilError(c, err)
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assert.Assert(c, len(fi) > 1)
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id := createExecCmd(c, name, "ls")
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startExec(c, id, http.StatusOK)
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waitForExec(c, id)
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poll.WaitOn(c, pollCheck(c, checkReadDir, checker.Equals(len(fi))), poll.WithTimeout(5*time.Second))
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id = createExecCmd(c, name, "invalid")
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startExec(c, id, http.StatusBadRequest)
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waitForExec(c, id)
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poll.WaitOn(c, pollCheck(c, checkReadDir, checker.Equals(len(fi))), poll.WithTimeout(5*time.Second))
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dockerCmd(c, "stop", name)
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_, err = os.Stat(stateDir)
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assert.ErrorContains(c, err, "")
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assert.Assert(c, os.IsNotExist(err))
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}
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func createExec(c *testing.T, name string) string {
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return createExecCmd(c, name, "true")
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}
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func createExecCmd(c *testing.T, name string, cmd string) string {
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_, reader, err := request.Post(fmt.Sprintf("/containers/%s/exec", name), request.JSONBody(map[string]interface{}{"Cmd": []string{cmd}}))
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assert.NilError(c, err)
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b, err := io.ReadAll(reader)
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assert.NilError(c, err)
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defer reader.Close()
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createResp := struct {
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ID string `json:"Id"`
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}{}
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assert.NilError(c, json.Unmarshal(b, &createResp), string(b))
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return createResp.ID
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}
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func startExec(c *testing.T, id string, code int) {
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resp, body, err := request.Post(fmt.Sprintf("/exec/%s/start", id), request.RawString(`{"Detach": true}`), request.JSON)
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assert.NilError(c, err)
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b, err := request.ReadBody(body)
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assert.NilError(c, err, "response body: %s", b)
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assert.Equal(c, resp.StatusCode, code, "response body: %s", b)
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}
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func inspectExec(c *testing.T, id string, out interface{}) {
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resp, body, err := request.Get(fmt.Sprintf("/exec/%s/json", id))
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assert.NilError(c, err)
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defer body.Close()
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assert.Equal(c, resp.StatusCode, http.StatusOK)
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err = json.NewDecoder(body).Decode(out)
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assert.NilError(c, err)
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}
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func waitForExec(c *testing.T, id string) {
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timeout := time.After(60 * time.Second)
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var execJSON struct{ Running bool }
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for {
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select {
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case <-timeout:
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c.Fatal("timeout waiting for exec to start")
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default:
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}
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inspectExec(c, id, &execJSON)
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if !execJSON.Running {
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break
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}
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}
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}
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func inspectContainer(c *testing.T, id string, out interface{}) {
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resp, body, err := request.Get("/containers/" + id + "/json")
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assert.NilError(c, err)
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defer body.Close()
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assert.Equal(c, resp.StatusCode, http.StatusOK)
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err = json.NewDecoder(body).Decode(out)
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assert.NilError(c, err)
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}
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