github.com/slava-ustovytski/docker@v1.8.2-rc1/integration-cli/docker_cli_links_unix_test.go (about) 1 // +build !windows 2 3 package main 4 5 import ( 6 "io/ioutil" 7 "os" 8 "strings" 9 10 "github.com/go-check/check" 11 ) 12 13 func (s *DockerSuite) TestLinksEtcHostsRegularFile(c *check.C) { 14 out, _ := dockerCmd(c, "run", "--net=host", "busybox", "ls", "-la", "/etc/hosts") 15 if !strings.HasPrefix(out, "-") { 16 c.Errorf("/etc/hosts should be a regular file") 17 } 18 } 19 20 func (s *DockerSuite) TestLinksEtcHostsContentMatch(c *check.C) { 21 testRequires(c, SameHostDaemon) 22 23 out, _ := dockerCmd(c, "run", "--net=host", "busybox", "cat", "/etc/hosts") 24 hosts, err := ioutil.ReadFile("/etc/hosts") 25 if os.IsNotExist(err) { 26 c.Skip("/etc/hosts does not exist, skip this test") 27 } 28 29 if out != string(hosts) { 30 c.Errorf("container: %s\n\nhost:%s", out, hosts) 31 } 32 33 } 34 35 func (s *DockerSuite) TestLinksNetworkHostContainer(c *check.C) { 36 dockerCmd(c, "run", "-d", "--net", "host", "--name", "host_container", "busybox", "top") 37 out, _, err := dockerCmdWithError(c, "run", "--name", "should_fail", "--link", "host_container:tester", "busybox", "true") 38 if err == nil || !strings.Contains(out, "--net=host can't be used with links. This would result in undefined behavior") { 39 c.Fatalf("Running container linking to a container with --net host should have failed: %s", out) 40 } 41 42 }