| //go:build !windows |
| |
| package libnetwork |
| |
| import ( |
| "context" |
| "os" |
| "testing" |
| |
| "github.com/docker/docker/internal/testutils/netnsutils" |
| "github.com/docker/docker/libnetwork/ipams/defaultipam" |
| "github.com/docker/docker/libnetwork/osl" |
| ) |
| |
| func TestHostsEntries(t *testing.T) { |
| defer netnsutils.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(defaultipam.DriverName, "", |
| []*IpamConf{{PreferredPool: "192.168.222.0/24", Gateway: "192.168.222.1"}}, |
| []*IpamConf{{PreferredPool: "fe90::/64", Gateway: "fe90::1"}}, |
| nil)} |
| |
| ctrlr, nws := getTestEnv(t, opts) |
| |
| hostsFile, err := os.CreateTemp("", "") |
| if err != nil { |
| t.Fatal(err) |
| } |
| defer os.Remove(hostsFile.Name()) |
| |
| sbx, err := ctrlr.NewSandbox(context.Background(), "sandbox1", OptionHostsPath(hostsFile.Name()), OptionHostname("somehost.example.com")) |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| ep1, err := nws[0].CreateEndpoint(context.Background(), "ep1") |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| if err := ep1.Join(context.Background(), sbx, JoinOptionPriority(1)); err != nil { |
| t.Fatal(err) |
| } |
| |
| data, err := os.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(context.Background()); err != nil { |
| t.Fatal(err) |
| } |
| |
| if len(ctrlr.sandboxes) != 0 { |
| t.Fatalf("controller sandboxes is not empty. len = %d", len(ctrlr.sandboxes)) |
| } |
| |
| osl.GC() |
| } |