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80c92c9b69
This fix migrates some ipc container tests from integration-cli to integration test. Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
// build +linux
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package main
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import (
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"bufio"
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"context"
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"io/ioutil"
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"os"
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"strings"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/container"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/docker/docker/integration-cli/cli"
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"github.com/go-check/check"
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)
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/* testIpcCheckDevExists checks whether a given mount (identified by its
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* major:minor pair from /proc/self/mountinfo) exists on the host system.
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*
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* The format of /proc/self/mountinfo is like:
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*
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* 29 23 0:24 / /dev/shm rw,nosuid,nodev shared:4 - tmpfs tmpfs rw
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* ^^^^\
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* - this is the minor:major we look for
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*/
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func testIpcCheckDevExists(mm string) (bool, error) {
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f, err := os.Open("/proc/self/mountinfo")
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if err != nil {
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return false, err
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}
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defer f.Close()
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s := bufio.NewScanner(f)
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for s.Scan() {
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fields := strings.Fields(s.Text())
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if len(fields) < 7 {
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continue
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}
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if fields[2] == mm {
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return true, nil
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}
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}
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return false, s.Err()
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}
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/* TestAPIIpcModeHost checks that a container created with --ipc host
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* can use IPC of the host system.
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*/
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func (s *DockerSuite) TestAPIIpcModeHost(c *check.C) {
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testRequires(c, DaemonIsLinux, SameHostDaemon, NotUserNamespace)
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cfg := container.Config{
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Image: "busybox",
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Cmd: []string{"top"},
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}
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hostCfg := container.HostConfig{
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IpcMode: container.IpcMode("host"),
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}
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ctx := context.Background()
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client := testEnv.APIClient()
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resp, err := client.ContainerCreate(ctx, &cfg, &hostCfg, nil, "")
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c.Assert(err, checker.IsNil)
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c.Assert(len(resp.Warnings), checker.Equals, 0)
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name := resp.ID
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err = client.ContainerStart(ctx, name, types.ContainerStartOptions{})
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c.Assert(err, checker.IsNil)
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// check that IPC is shared
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// 1. create a file inside container
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cli.DockerCmd(c, "exec", name, "sh", "-c", "printf covfefe > /dev/shm/."+name)
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// 2. check it's the same on the host
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bytes, err := ioutil.ReadFile("/dev/shm/." + name)
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c.Assert(err, checker.IsNil)
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c.Assert(string(bytes), checker.Matches, "^covfefe$")
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// 3. clean up
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cli.DockerCmd(c, "exec", name, "rm", "-f", "/dev/shm/."+name)
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}
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