313 lines
9.6 KiB
Go
313 lines
9.6 KiB
Go
// +build !test_no_exec
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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/ioutil"
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"net/http"
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"os"
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"strings"
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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/internal/test/request"
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"github.com/go-check/check"
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)
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// Regression test for #9414
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func (s *DockerSuite) TestExecAPICreateNoCmd(c *check.C) {
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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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c.Assert(err, checker.IsNil)
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if versions.LessThan(testEnv.DaemonAPIVersion(), "1.32") {
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c.Assert(res.StatusCode, checker.Equals, http.StatusInternalServerError)
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} else {
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c.Assert(res.StatusCode, checker.Equals, http.StatusBadRequest)
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}
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b, err := request.ReadBody(body)
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c.Assert(err, checker.IsNil)
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comment := check.Commentf("Expected message when creating exec command with no Cmd specified")
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c.Assert(getErrorMessage(c, b), checker.Contains, "No exec command specified", comment)
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}
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func (s *DockerSuite) TestExecAPICreateNoValidContentType(c *check.C) {
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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(ioutil.NopCloser(jsonData)), request.ContentType("test/plain"))
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c.Assert(err, checker.IsNil)
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if versions.LessThan(testEnv.DaemonAPIVersion(), "1.32") {
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c.Assert(res.StatusCode, checker.Equals, http.StatusInternalServerError)
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} else {
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c.Assert(res.StatusCode, checker.Equals, http.StatusBadRequest)
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}
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b, err := request.ReadBody(body)
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c.Assert(err, checker.IsNil)
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comment := check.Commentf("Expected message when creating exec command with invalid Content-Type specified")
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c.Assert(getErrorMessage(c, b), checker.Contains, "Content-Type specified", comment)
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}
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func (s *DockerSuite) TestExecAPICreateContainerPaused(c *check.C) {
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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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c.Assert(err, checker.IsNil)
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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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comment := check.Commentf("Expected message when creating exec command with Container %s is paused", name)
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c.Assert(err.Error(), checker.Contains, "Container "+name+" is paused, unpause the container before exec", comment)
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}
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func (s *DockerSuite) TestExecAPIStart(c *check.C) {
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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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c.Assert(execJSON.PID, checker.GreaterThan, 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 *DockerSuite) TestExecAPIStartEnsureHeaders(c *check.C) {
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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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c.Assert(err, checker.IsNil)
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c.Assert(resp.Header.Get("Server"), checker.Not(checker.Equals), "")
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}
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func (s *DockerSuite) TestExecAPIStartBackwardsCompatible(c *check.C) {
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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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c.Assert(err, checker.IsNil)
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b, err := request.ReadBody(body)
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comment := check.Commentf("response body: %s", b)
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c.Assert(err, checker.IsNil, comment)
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c.Assert(resp.StatusCode, checker.Equals, http.StatusOK, comment)
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}
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// #19362
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func (s *DockerSuite) TestExecAPIStartMultipleTimesError(c *check.C) {
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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 *DockerSuite) TestExecAPIStartWithDetach(c *check.C) {
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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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c.Assert(err, checker.IsNil)
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defer cli.Close()
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createResp, err := cli.ContainerExecCreate(context.Background(), name, config)
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c.Assert(err, checker.IsNil)
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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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c.Assert(err, checker.IsNil)
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b, err := request.ReadBody(body)
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comment := check.Commentf("response body: %s", b)
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c.Assert(err, checker.IsNil, comment)
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resp, _, err := request.Get("/_ping")
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c.Assert(err, checker.IsNil)
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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 *DockerSuite) TestExecAPIStartValidCommand(c *check.C) {
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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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c.Assert(inspectJSON.ExecIDs, checker.IsNil)
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}
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// #30311
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func (s *DockerSuite) TestExecAPIStartInvalidCommand(c *check.C) {
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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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c.Assert(inspectJSON.ExecIDs, checker.IsNil)
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}
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func (s *DockerSuite) TestExecStateCleanup(c *check.C) {
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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 *check.C) (interface{}, check.CommentInterface) {
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fi, err := ioutil.ReadDir(stateDir)
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c.Assert(err, checker.IsNil)
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return len(fi), nil
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}
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fi, err := ioutil.ReadDir(stateDir)
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c.Assert(err, checker.IsNil)
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c.Assert(len(fi), checker.GreaterThan, 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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waitAndAssert(c, 5*time.Second, checkReadDir, checker.Equals, len(fi))
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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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waitAndAssert(c, 5*time.Second, checkReadDir, checker.Equals, len(fi))
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dockerCmd(c, "stop", name)
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_, err = os.Stat(stateDir)
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c.Assert(err, checker.NotNil)
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c.Assert(os.IsNotExist(err), checker.True)
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}
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func createExec(c *check.C, name string) string {
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return createExecCmd(c, name, "true")
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}
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func createExecCmd(c *check.C, 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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c.Assert(err, checker.IsNil)
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b, err := ioutil.ReadAll(reader)
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c.Assert(err, checker.IsNil)
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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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c.Assert(json.Unmarshal(b, &createResp), checker.IsNil, check.Commentf(string(b)))
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return createResp.ID
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}
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func startExec(c *check.C, 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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c.Assert(err, checker.IsNil)
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b, err := request.ReadBody(body)
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comment := check.Commentf("response body: %s", b)
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c.Assert(err, checker.IsNil, comment)
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c.Assert(resp.StatusCode, checker.Equals, code, comment)
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}
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func inspectExec(c *check.C, id string, out interface{}) {
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resp, body, err := request.Get(fmt.Sprintf("/exec/%s/json", id))
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c.Assert(err, checker.IsNil)
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defer body.Close()
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c.Assert(resp.StatusCode, checker.Equals, http.StatusOK)
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err = json.NewDecoder(body).Decode(out)
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c.Assert(err, checker.IsNil)
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}
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func waitForExec(c *check.C, 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 *check.C, id string, out interface{}) {
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resp, body, err := request.Get(fmt.Sprintf("/containers/%s/json", id))
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c.Assert(err, checker.IsNil)
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defer body.Close()
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c.Assert(resp.StatusCode, checker.Equals, http.StatusOK)
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err = json.NewDecoder(body).Decode(out)
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c.Assert(err, checker.IsNil)
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}
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