412 lines
11 KiB
Go
412 lines
11 KiB
Go
package docker
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import (
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"context"
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"strconv"
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"testing"
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"time"
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"github.com/davecgh/go-spew/spew"
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docker "github.com/docker/docker/api/types"
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dockertypes "github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/swarm"
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dockerclient "github.com/docker/docker/client"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type fakeTasksClient struct {
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dockerclient.APIClient
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tasks []swarm.Task
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container dockertypes.ContainerJSON
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err error
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}
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func (c *fakeTasksClient) TaskList(ctx context.Context, options dockertypes.TaskListOptions) ([]swarm.Task, error) {
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return c.tasks, c.err
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}
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func (c *fakeTasksClient) ContainerInspect(ctx context.Context, container string) (dockertypes.ContainerJSON, error) {
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return c.container, c.err
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}
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func TestListTasks(t *testing.T) {
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testCases := []struct {
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service swarm.Service
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tasks []swarm.Task
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isGlobalSVC bool
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expectedTasks []string
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networks map[string]*docker.NetworkResource
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}{
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{
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service: swarmService(serviceName("container")),
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tasks: []swarm.Task{
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swarmTask("id1",
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taskSlot(1),
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taskNetworkAttachment("1", "network1", "overlay", []string{"127.0.0.1"}),
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taskStatus(taskState(swarm.TaskStateRunning)),
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),
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swarmTask("id2",
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taskSlot(2),
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taskNetworkAttachment("1", "network1", "overlay", []string{"127.0.0.2"}),
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taskStatus(taskState(swarm.TaskStatePending)),
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),
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swarmTask("id3",
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taskSlot(3),
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taskNetworkAttachment("1", "network1", "overlay", []string{"127.0.0.3"}),
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),
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swarmTask("id4",
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taskSlot(4),
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taskNetworkAttachment("1", "network1", "overlay", []string{"127.0.0.4"}),
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taskStatus(taskState(swarm.TaskStateRunning)),
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),
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swarmTask("id5",
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taskSlot(5),
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taskNetworkAttachment("1", "network1", "overlay", []string{"127.0.0.5"}),
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taskStatus(taskState(swarm.TaskStateFailed)),
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),
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},
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isGlobalSVC: false,
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expectedTasks: []string{
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"container.1",
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"container.4",
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},
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networks: map[string]*docker.NetworkResource{
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"1": {
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Name: "foo",
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},
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},
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},
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}
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for caseID, test := range testCases {
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test := test
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t.Run(strconv.Itoa(caseID), func(t *testing.T) {
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t.Parallel()
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p := Provider{}
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dockerData, err := p.parseService(context.Background(), test.service, test.networks)
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require.NoError(t, err)
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dockerClient := &fakeTasksClient{tasks: test.tasks}
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taskDockerData, _ := listTasks(context.Background(), dockerClient, test.service.ID, dockerData, test.networks, test.isGlobalSVC)
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if len(test.expectedTasks) != len(taskDockerData) {
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t.Errorf("expected tasks %v, got %v", spew.Sdump(test.expectedTasks), spew.Sdump(taskDockerData))
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}
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for i, taskID := range test.expectedTasks {
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if taskDockerData[i].Name != taskID {
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t.Errorf("expect task id %v, got %v", taskID, taskDockerData[i].Name)
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}
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}
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})
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}
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}
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type fakeServicesClient struct {
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dockerclient.APIClient
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dockerVersion string
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networks []dockertypes.NetworkResource
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services []swarm.Service
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tasks []swarm.Task
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err error
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}
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func (c *fakeServicesClient) ServiceList(ctx context.Context, options dockertypes.ServiceListOptions) ([]swarm.Service, error) {
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return c.services, c.err
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}
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func (c *fakeServicesClient) ServerVersion(ctx context.Context) (dockertypes.Version, error) {
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return dockertypes.Version{APIVersion: c.dockerVersion}, c.err
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}
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func (c *fakeServicesClient) NetworkList(ctx context.Context, options dockertypes.NetworkListOptions) ([]dockertypes.NetworkResource, error) {
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return c.networks, c.err
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}
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func (c *fakeServicesClient) TaskList(ctx context.Context, options dockertypes.TaskListOptions) ([]swarm.Task, error) {
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return c.tasks, c.err
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}
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func TestListServices(t *testing.T) {
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testCases := []struct {
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desc string
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services []swarm.Service
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tasks []swarm.Task
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dockerVersion string
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networks []dockertypes.NetworkResource
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expectedServices []string
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}{
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{
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desc: "Should return no service due to no networks defined",
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services: []swarm.Service{
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swarmService(
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serviceName("service1"),
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serviceLabels(map[string]string{
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"traefik.docker.network": "barnet",
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"traefik.docker.LBSwarm": "true",
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}),
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withEndpointSpec(modeVIP),
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withEndpoint(
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virtualIP("1", "10.11.12.13/24"),
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virtualIP("2", "10.11.12.99/24"),
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)),
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swarmService(
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serviceName("service2"),
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serviceLabels(map[string]string{
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"traefik.docker.network": "barnet",
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"traefik.docker.LBSwarm": "true",
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}),
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withEndpointSpec(modeDNSSR)),
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},
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dockerVersion: "1.30",
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networks: []dockertypes.NetworkResource{},
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expectedServices: []string{},
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},
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{
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desc: "Should return only service1",
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services: []swarm.Service{
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swarmService(
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serviceName("service1"),
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serviceLabels(map[string]string{
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"traefik.docker.network": "barnet",
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"traefik.docker.LBSwarm": "true",
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}),
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withEndpointSpec(modeVIP),
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withEndpoint(
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virtualIP("yk6l57rfwizjzxxzftn4amaot", "10.11.12.13/24"),
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virtualIP("2", "10.11.12.99/24"),
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)),
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swarmService(
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serviceName("service2"),
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serviceLabels(map[string]string{
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"traefik.docker.network": "barnet",
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"traefik.docker.LBSwarm": "true",
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}),
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withEndpointSpec(modeDNSSR)),
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},
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dockerVersion: "1.30",
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networks: []dockertypes.NetworkResource{
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{
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Name: "network_name",
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ID: "yk6l57rfwizjzxxzftn4amaot",
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Created: time.Now(),
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Scope: "swarm",
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Driver: "overlay",
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EnableIPv6: false,
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Internal: true,
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Ingress: false,
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ConfigOnly: false,
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Options: map[string]string{
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"com.docker.network.driver.overlay.vxlanid_list": "4098",
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"com.docker.network.enable_ipv6": "false",
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},
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Labels: map[string]string{
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"com.docker.stack.namespace": "test",
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},
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},
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},
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expectedServices: []string{
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"service1",
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},
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},
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{
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desc: "Should return service1 and service2",
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services: []swarm.Service{
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swarmService(
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serviceName("service1"),
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serviceLabels(map[string]string{
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"traefik.docker.network": "barnet",
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}),
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withEndpointSpec(modeVIP),
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withEndpoint(
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virtualIP("yk6l57rfwizjzxxzftn4amaot", "10.11.12.13/24"),
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virtualIP("2", "10.11.12.99/24"),
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)),
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swarmService(
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serviceName("service2"),
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serviceLabels(map[string]string{
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"traefik.docker.network": "barnet",
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}),
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withEndpointSpec(modeDNSSR)),
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},
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tasks: []swarm.Task{
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swarmTask("id1",
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taskNetworkAttachment("yk6l57rfwizjzxxzftn4amaot", "network_name", "overlay", []string{"127.0.0.1"}),
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taskStatus(taskState(swarm.TaskStateRunning)),
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),
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swarmTask("id2",
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taskNetworkAttachment("yk6l57rfwizjzxxzftn4amaot", "network_name", "overlay", []string{"127.0.0.1"}),
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taskStatus(taskState(swarm.TaskStateRunning)),
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),
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},
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dockerVersion: "1.30",
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networks: []dockertypes.NetworkResource{
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{
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Name: "network_name",
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ID: "yk6l57rfwizjzxxzftn4amaot",
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Created: time.Now(),
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Scope: "swarm",
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Driver: "overlay",
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EnableIPv6: false,
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Internal: true,
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Ingress: false,
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ConfigOnly: false,
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Options: map[string]string{
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"com.docker.network.driver.overlay.vxlanid_list": "4098",
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"com.docker.network.enable_ipv6": "false",
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},
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Labels: map[string]string{
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"com.docker.stack.namespace": "test",
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},
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},
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},
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expectedServices: []string{
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"service1.0",
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"service1.0",
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"service2.0",
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"service2.0",
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},
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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dockerClient := &fakeServicesClient{services: test.services, tasks: test.tasks, dockerVersion: test.dockerVersion, networks: test.networks}
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p := Provider{}
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serviceDockerData, err := p.listServices(context.Background(), dockerClient)
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assert.NoError(t, err)
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assert.Equal(t, len(test.expectedServices), len(serviceDockerData))
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for i, serviceName := range test.expectedServices {
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if len(serviceDockerData) <= i {
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require.Fail(t, "index", "invalid index %d", i)
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}
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assert.Equal(t, serviceName, serviceDockerData[i].Name)
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}
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})
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}
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}
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func TestSwarmTaskParsing(t *testing.T) {
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testCases := []struct {
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service swarm.Service
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tasks []swarm.Task
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isGlobalSVC bool
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expected map[string]dockerData
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networks map[string]*docker.NetworkResource
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}{
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{
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service: swarmService(serviceName("container")),
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tasks: []swarm.Task{
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swarmTask("id1", taskSlot(1)),
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swarmTask("id2", taskSlot(2)),
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swarmTask("id3", taskSlot(3)),
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},
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isGlobalSVC: false,
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expected: map[string]dockerData{
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"id1": {
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Name: "container.1",
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},
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"id2": {
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Name: "container.2",
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},
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"id3": {
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Name: "container.3",
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},
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},
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networks: map[string]*docker.NetworkResource{
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"1": {
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Name: "foo",
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},
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},
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},
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{
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service: swarmService(serviceName("container")),
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tasks: []swarm.Task{
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swarmTask("id1"),
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swarmTask("id2"),
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swarmTask("id3"),
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},
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isGlobalSVC: true,
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expected: map[string]dockerData{
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"id1": {
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Name: "container.id1",
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},
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"id2": {
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Name: "container.id2",
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},
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"id3": {
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Name: "container.id3",
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},
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},
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networks: map[string]*docker.NetworkResource{
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"1": {
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Name: "foo",
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},
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},
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},
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{
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service: swarmService(
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serviceName("container"),
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withEndpointSpec(modeVIP),
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withEndpoint(
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virtualIP("1", ""),
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),
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),
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tasks: []swarm.Task{
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swarmTask(
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"id1",
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taskNetworkAttachment("1", "vlan", "macvlan", []string{"127.0.0.1"}),
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taskStatus(
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taskState(swarm.TaskStateRunning),
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taskContainerStatus("c1"),
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),
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),
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},
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isGlobalSVC: true,
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expected: map[string]dockerData{
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"id1": {
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Name: "container.id1",
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NetworkSettings: networkSettings{
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Networks: map[string]*networkData{
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"vlan": {
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Name: "vlan",
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Addr: "10.11.12.13",
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},
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},
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},
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},
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},
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networks: map[string]*docker.NetworkResource{
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"1": {
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Name: "vlan",
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},
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},
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},
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}
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for caseID, test := range testCases {
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test := test
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t.Run(strconv.Itoa(caseID), func(t *testing.T) {
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t.Parallel()
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p := Provider{}
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dData, err := p.parseService(context.Background(), test.service, test.networks)
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require.NoError(t, err)
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for _, task := range test.tasks {
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taskDockerData := parseTasks(context.Background(), task, dData, test.networks, test.isGlobalSVC)
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expected := test.expected[task.ID]
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assert.Equal(t, expected.Name, taskDockerData.Name)
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}
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})
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}
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}
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