traefik/pkg/provider/docker/pswarm_test.go

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