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synced 2022-11-09 12:21:53 -05:00
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
// +build !windows
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package main
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import (
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"io/ioutil"
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"os"
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"os/exec"
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"strings"
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"github.com/go-check/check"
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)
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func (s *DockerSuite) TestLinksEtcHostsRegularFile(c *check.C) {
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runCmd := exec.Command(dockerBinary, "run", "--net=host", "busybox", "ls", "-la", "/etc/hosts")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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if !strings.HasPrefix(out, "-") {
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c.Errorf("/etc/hosts should be a regular file")
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}
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}
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func (s *DockerSuite) TestLinksEtcHostsContentMatch(c *check.C) {
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testRequires(c, SameHostDaemon)
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runCmd := exec.Command(dockerBinary, "run", "--net=host", "busybox", "cat", "/etc/hosts")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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hosts, err := ioutil.ReadFile("/etc/hosts")
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if os.IsNotExist(err) {
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c.Skip("/etc/hosts does not exist, skip this test")
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}
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if out != string(hosts) {
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c.Errorf("container")
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}
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}
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func (s *DockerSuite) TestLinksNetworkHostContainer(c *check.C) {
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out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--net", "host", "--name", "host_container", "busybox", "top"))
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if err != nil {
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c.Fatal(err, out)
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}
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out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "should_fail", "--link", "host_container:tester", "busybox", "true"))
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if err == nil || !strings.Contains(out, "--net=host can't be used with links. This would result in undefined behavior") {
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c.Fatalf("Running container linking to a container with --net host should have failed: %s", out)
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}
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}
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