// +build !windows package libnetwork import ( "io/ioutil" "os" "testing" "github.com/docker/docker/libnetwork/ipamapi" "github.com/docker/docker/libnetwork/osl" "github.com/docker/docker/libnetwork/testutils" ) func TestHostsEntries(t *testing.T) { if !testutils.IsRunningInContainer() { defer testutils.SetupTestOSContext(t)() } expectedHostsFile := `127.0.0.1 localhost ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters 192.168.222.2 somehost.example.com somehost fe90::2 somehost.example.com somehost ` opts := []NetworkOption{NetworkOptionEnableIPv6(true), NetworkOptionIpam(ipamapi.DefaultIPAM, "", []*IpamConf{{PreferredPool: "192.168.222.0/24", Gateway: "192.168.222.1"}}, []*IpamConf{{PreferredPool: "fe90::/64", Gateway: "fe90::1"}}, nil)} c, nws := getTestEnv(t, opts) ctrlr := c.(*controller) hostsFile, err := ioutil.TempFile("", "") if err != nil { t.Fatal(err) } defer os.Remove(hostsFile.Name()) sbx, err := ctrlr.NewSandbox("sandbox1", OptionHostsPath(hostsFile.Name()), OptionHostname("somehost.example.com")) if err != nil { t.Fatal(err) } ep1, err := nws[0].CreateEndpoint("ep1") if err != nil { t.Fatal(err) } if err := ep1.Join(sbx, JoinOptionPriority(1)); err != nil { t.Fatal(err) } data, err := ioutil.ReadFile(hostsFile.Name()) if err != nil { t.Fatal(err) } if string(data) != expectedHostsFile { t.Fatalf("expected the hosts file to read:\n%q\nbut instead got the following:\n%q\n", expectedHostsFile, string(data)) } if err := sbx.Delete(); err != nil { t.Fatal(err) } if len(ctrlr.sandboxes) != 0 { t.Fatalf("controller sandboxes is not empty. len = %d", len(ctrlr.sandboxes)) } osl.GC() }