| package network // import "github.com/docker/docker/integration/network" |
| |
| import ( |
| "fmt" |
| "runtime" |
| "testing" |
| "time" |
| |
| "github.com/docker/docker/api/types" |
| "github.com/docker/docker/api/types/filters" |
| "github.com/docker/docker/api/types/swarm" |
| "github.com/docker/docker/client" |
| "github.com/docker/docker/integration-cli/daemon" |
| "github.com/gotestyourself/gotestyourself/poll" |
| "github.com/stretchr/testify/require" |
| "golang.org/x/net/context" |
| ) |
| |
| const defaultSwarmPort = 2477 |
| const dockerdBinary = "dockerd" |
| |
| func TestInspectNetwork(t *testing.T) { |
| defer setupTest(t)() |
| d := newSwarm(t) |
| defer d.Stop(t) |
| client, err := client.NewClientWithOpts(client.WithHost((d.Sock()))) |
| require.NoError(t, err) |
| |
| overlayName := "overlay1" |
| networkCreate := types.NetworkCreate{ |
| CheckDuplicate: true, |
| Driver: "overlay", |
| } |
| |
| netResp, err := client.NetworkCreate(context.Background(), overlayName, networkCreate) |
| require.NoError(t, err) |
| overlayID := netResp.ID |
| |
| var instances uint64 = 4 |
| serviceName := "TestService" |
| serviceSpec := swarmServiceSpec(serviceName, instances) |
| serviceSpec.TaskTemplate.Networks = append(serviceSpec.TaskTemplate.Networks, swarm.NetworkAttachmentConfig{Target: overlayName}) |
| |
| serviceResp, err := client.ServiceCreate(context.Background(), serviceSpec, types.ServiceCreateOptions{ |
| QueryRegistry: false, |
| }) |
| require.NoError(t, err) |
| |
| pollSettings := func(config *poll.Settings) { |
| if runtime.GOARCH == "arm64" || runtime.GOARCH == "arm" { |
| config.Timeout = 30 * time.Second |
| config.Delay = 100 * time.Millisecond |
| } |
| } |
| |
| serviceID := serviceResp.ID |
| poll.WaitOn(t, serviceRunningTasksCount(client, serviceID, instances), pollSettings) |
| |
| _, _, err = client.ServiceInspectWithRaw(context.Background(), serviceID, types.ServiceInspectOptions{}) |
| require.NoError(t, err) |
| |
| // Test inspect verbose with full NetworkID |
| networkVerbose, err := client.NetworkInspect(context.Background(), overlayID, types.NetworkInspectOptions{ |
| Verbose: true, |
| }) |
| require.NoError(t, err) |
| require.True(t, validNetworkVerbose(networkVerbose, serviceName, instances)) |
| |
| // Test inspect verbose with partial NetworkID |
| networkVerbose, err = client.NetworkInspect(context.Background(), overlayID[0:11], types.NetworkInspectOptions{ |
| Verbose: true, |
| }) |
| require.NoError(t, err) |
| require.True(t, validNetworkVerbose(networkVerbose, serviceName, instances)) |
| |
| // Test inspect verbose with Network name and swarm scope |
| networkVerbose, err = client.NetworkInspect(context.Background(), overlayName, types.NetworkInspectOptions{ |
| Verbose: true, |
| Scope: "swarm", |
| }) |
| require.NoError(t, err) |
| require.True(t, validNetworkVerbose(networkVerbose, serviceName, instances)) |
| |
| err = client.ServiceRemove(context.Background(), serviceID) |
| require.NoError(t, err) |
| |
| poll.WaitOn(t, serviceIsRemoved(client, serviceID), pollSettings) |
| poll.WaitOn(t, noTasks(client), pollSettings) |
| |
| serviceResp, err = client.ServiceCreate(context.Background(), serviceSpec, types.ServiceCreateOptions{ |
| QueryRegistry: false, |
| }) |
| require.NoError(t, err) |
| |
| serviceID2 := serviceResp.ID |
| poll.WaitOn(t, serviceRunningTasksCount(client, serviceID2, instances), pollSettings) |
| |
| err = client.ServiceRemove(context.Background(), serviceID2) |
| require.NoError(t, err) |
| |
| poll.WaitOn(t, serviceIsRemoved(client, serviceID2), pollSettings) |
| poll.WaitOn(t, noTasks(client), pollSettings) |
| |
| err = client.NetworkRemove(context.Background(), overlayID) |
| require.NoError(t, err) |
| |
| poll.WaitOn(t, networkIsRemoved(client, overlayID), poll.WithTimeout(1*time.Minute), poll.WithDelay(10*time.Second)) |
| } |
| |
| func newSwarm(t *testing.T) *daemon.Swarm { |
| d := &daemon.Swarm{ |
| Daemon: daemon.New(t, "", dockerdBinary, daemon.Config{ |
| Experimental: testEnv.DaemonInfo.ExperimentalBuild, |
| }), |
| // TODO: better method of finding an unused port |
| Port: defaultSwarmPort, |
| } |
| // TODO: move to a NewSwarm constructor |
| d.ListenAddr = fmt.Sprintf("0.0.0.0:%d", d.Port) |
| |
| // avoid networking conflicts |
| args := []string{"--iptables=false", "--swarm-default-advertise-addr=lo"} |
| d.StartWithBusybox(t, args...) |
| |
| require.NoError(t, d.Init(swarm.InitRequest{})) |
| return d |
| } |
| |
| func swarmServiceSpec(name string, replicas uint64) swarm.ServiceSpec { |
| return swarm.ServiceSpec{ |
| Annotations: swarm.Annotations{ |
| Name: name, |
| }, |
| TaskTemplate: swarm.TaskSpec{ |
| ContainerSpec: &swarm.ContainerSpec{ |
| Image: "busybox:latest", |
| Command: []string{"/bin/top"}, |
| }, |
| }, |
| Mode: swarm.ServiceMode{ |
| Replicated: &swarm.ReplicatedService{ |
| Replicas: &replicas, |
| }, |
| }, |
| } |
| } |
| |
| func serviceRunningTasksCount(client client.ServiceAPIClient, serviceID string, instances uint64) func(log poll.LogT) poll.Result { |
| return func(log poll.LogT) poll.Result { |
| filter := filters.NewArgs() |
| filter.Add("service", serviceID) |
| tasks, err := client.TaskList(context.Background(), types.TaskListOptions{ |
| Filters: filter, |
| }) |
| switch { |
| case err != nil: |
| return poll.Error(err) |
| case len(tasks) == int(instances): |
| for _, task := range tasks { |
| if task.Status.State != swarm.TaskStateRunning { |
| return poll.Continue("waiting for tasks to enter run state") |
| } |
| } |
| return poll.Success() |
| default: |
| return poll.Continue("task count at %d waiting for %d", len(tasks), instances) |
| } |
| } |
| } |
| |
| func networkIsRemoved(client client.NetworkAPIClient, networkID string) func(log poll.LogT) poll.Result { |
| return func(log poll.LogT) poll.Result { |
| _, err := client.NetworkInspect(context.Background(), networkID, types.NetworkInspectOptions{}) |
| if err == nil { |
| return poll.Continue("waiting for network %s to be removed", networkID) |
| } |
| return poll.Success() |
| } |
| } |
| |
| func serviceIsRemoved(client client.ServiceAPIClient, serviceID string) func(log poll.LogT) poll.Result { |
| return func(log poll.LogT) poll.Result { |
| filter := filters.NewArgs() |
| filter.Add("service", serviceID) |
| _, err := client.TaskList(context.Background(), types.TaskListOptions{ |
| Filters: filter, |
| }) |
| if err == nil { |
| return poll.Continue("waiting for service %s to be deleted", serviceID) |
| } |
| return poll.Success() |
| } |
| } |
| |
| func noTasks(client client.ServiceAPIClient) func(log poll.LogT) poll.Result { |
| return func(log poll.LogT) poll.Result { |
| filter := filters.NewArgs() |
| tasks, err := client.TaskList(context.Background(), types.TaskListOptions{ |
| Filters: filter, |
| }) |
| switch { |
| case err != nil: |
| return poll.Error(err) |
| case len(tasks) == 0: |
| return poll.Success() |
| default: |
| return poll.Continue("task count at %d waiting for 0", len(tasks)) |
| } |
| } |
| } |
| |
| // Check to see if Service and Tasks info are part of the inspect verbose response |
| func validNetworkVerbose(network types.NetworkResource, service string, instances uint64) bool { |
| if service, ok := network.Services[service]; ok { |
| if len(service.Tasks) == int(instances) { |
| return true |
| } |
| } |
| return false |
| } |