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103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
package main
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import (
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"bytes"
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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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"strings"
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"sync"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/go-check/check"
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)
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func (s *DockerSuite) TestExecResizeAPIHeightWidthNoInt(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
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cleanedContainerID := strings.TrimSpace(out)
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endpoint := "/exec/" + cleanedContainerID + "/resize?h=foo&w=bar"
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status, _, err := sockRequest("POST", endpoint, nil)
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c.Assert(err, checker.IsNil)
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c.Assert(status, checker.Equals, http.StatusInternalServerError)
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}
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// Part of #14845
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func (s *DockerSuite) TestExecResizeImmediatelyAfterExecStart(c *check.C) {
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name := "exec_resize_test"
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dockerCmd(c, "run", "-d", "-i", "-t", "--name", name, "--restart", "always", "busybox", "/bin/sh")
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testExecResize := func() error {
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data := map[string]interface{}{
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"AttachStdin": true,
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"Cmd": []string{"/bin/sh"},
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}
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uri := fmt.Sprintf("/containers/%s/exec", name)
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status, body, err := sockRequest("POST", uri, data)
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if err != nil {
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return err
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}
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if status != http.StatusCreated {
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return fmt.Errorf("POST %s is expected to return %d, got %d", uri, http.StatusCreated, status)
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}
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out := map[string]string{}
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err = json.Unmarshal(body, &out)
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if err != nil {
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return fmt.Errorf("ExecCreate returned invalid json. Error: %q", err.Error())
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}
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execID := out["Id"]
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if len(execID) < 1 {
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return fmt.Errorf("ExecCreate got invalid execID")
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}
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payload := bytes.NewBufferString(`{"Tty":true}`)
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conn, _, err := sockRequestHijack("POST", fmt.Sprintf("/exec/%s/start", execID), payload, "application/json")
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if err != nil {
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return fmt.Errorf("Failed to start the exec: %q", err.Error())
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}
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defer conn.Close()
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_, rc, err := sockRequestRaw("POST", fmt.Sprintf("/exec/%s/resize?h=24&w=80", execID), nil, "text/plain")
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// It's probably a panic of the daemon if io.ErrUnexpectedEOF is returned.
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if err == io.ErrUnexpectedEOF {
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return fmt.Errorf("The daemon might have crashed.")
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}
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if err == nil {
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rc.Close()
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}
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// We only interested in the io.ErrUnexpectedEOF error, so we return nil otherwise.
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return nil
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}
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// The panic happens when daemon.ContainerExecStart is called but the
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// container.Exec is not called.
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// Because the panic is not 100% reproducible, we send the requests concurrently
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// to increase the probability that the problem is triggered.
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var (
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n = 10
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ch = make(chan error, n)
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wg sync.WaitGroup
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)
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for i := 0; i < n; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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if err := testExecResize(); err != nil {
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ch <- err
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}
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}()
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}
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wg.Wait()
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select {
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case err := <-ch:
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c.Fatal(err.Error())
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default:
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}
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}
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