traefik/provider/docker_test.go

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package provider
import (
"reflect"
"strings"
"testing"
"github.com/containous/traefik/types"
docker "github.com/docker/engine-api/types"
"github.com/docker/engine-api/types/container"
"github.com/docker/engine-api/types/network"
"github.com/docker/go-connections/nat"
swarm "github.com/docker/engine-api/types/swarm"
)
func TestDockerGetFrontendName(t *testing.T) {
provider := &Docker{
Domain: "docker.localhost",
}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{},
},
expected: "Host-foo-docker-localhost",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "bar",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.frontend.rule": "Headers:User-Agent,bat/0.1.0",
},
},
},
expected: "Headers-User-Agent-bat-0-1-0",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.frontend.rule": "Host:foo.bar",
},
},
},
expected: "Host-foo-bar",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.frontend.rule": "Path:/test",
},
},
},
expected: "Path-test",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.frontend.rule": "PathPrefix:/test2",
},
},
},
expected: "PathPrefix-test2",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
actual := provider.getFrontendName(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetFrontendRule(t *testing.T) {
provider := &Docker{
Domain: "docker.localhost",
}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{},
},
expected: "Host:foo.docker.localhost",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "bar",
},
Config: &container.Config{},
},
expected: "Host:bar.docker.localhost",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.frontend.rule": "Host:foo.bar",
},
},
},
expected: "Host:foo.bar",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.frontend.rule": "Path:/test",
},
},
},
expected: "Path:/test",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
actual := provider.getFrontendRule(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetBackend(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{},
},
expected: "foo",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "bar",
},
Config: &container.Config{},
},
expected: "bar",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.backend": "foobar",
},
},
},
expected: "foobar",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
actual := provider.getBackend(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetIPAddress(t *testing.T) { // TODO
provider := &Docker{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "bar",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{
Networks: map[string]*network.EndpointSettings{
"testnet": {
IPAddress: "10.11.12.13",
},
},
},
},
expected: "10.11.12.13",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "bar",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.docker.network": "testnet",
},
},
NetworkSettings: &docker.NetworkSettings{
Networks: map[string]*network.EndpointSettings{
"nottestnet": {
IPAddress: "10.11.12.13",
},
},
},
},
expected: "10.11.12.13",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "bar",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.docker.network": "testnet2",
},
},
NetworkSettings: &docker.NetworkSettings{
Networks: map[string]*network.EndpointSettings{
"testnet1": {
IPAddress: "10.11.12.13",
},
"testnet2": {
IPAddress: "10.11.12.14",
},
},
},
},
expected: "10.11.12.14",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "bar",
HostConfig: &container.HostConfig{
NetworkMode: "host",
},
},
Config: &container.Config{
Labels: map[string]string{},
},
NetworkSettings: &docker.NetworkSettings{
Networks: map[string]*network.EndpointSettings{
"testnet1": {
IPAddress: "10.11.12.13",
},
"testnet2": {
IPAddress: "10.11.12.14",
},
},
},
},
expected: "127.0.0.1",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
actual := provider.getIPAddress(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetPort(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{},
},
expected: "",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "bar",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
expected: "80",
},
// FIXME handle this better..
// {
// container: docker.ContainerJSON{
// Name: "bar",
// Config: &container.Config{},
// NetworkSettings: &docker.NetworkSettings{
// Ports: map[docker.Port][]docker.PortBinding{
// "80/tcp": []docker.PortBinding{},
// "443/tcp": []docker.PortBinding{},
// },
// },
// },
// expected: "80",
// },
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.port": "8080",
},
},
NetworkSettings: &docker.NetworkSettings{},
},
expected: "8080",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.port": "8080",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
expected: "8080",
},
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{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test-multi-ports",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.port": "8080",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"8080/tcp": {},
"80/tcp": {},
},
},
},
},
expected: "8080",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
actual := provider.getPort(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetWeight(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{},
},
expected: "0",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.weight": "10",
},
},
},
expected: "10",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
actual := provider.getWeight(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetDomain(t *testing.T) {
provider := &Docker{
Domain: "docker.localhost",
}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{},
},
expected: "docker.localhost",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.domain": "foo.bar",
},
},
},
expected: "foo.bar",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
actual := provider.getDomain(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetProtocol(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{},
},
expected: "http",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.protocol": "https",
},
},
},
expected: "https",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
actual := provider.getProtocol(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetPassHostHeader(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{},
},
expected: "true",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.frontend.passHostHeader": "false",
},
},
},
expected: "false",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
actual := provider.getPassHostHeader(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetLabel(t *testing.T) {
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{},
},
expected: "Label not found:",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{
Labels: map[string]string{
"foo": "bar",
},
},
},
expected: "",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
label, err := getLabel(dockerData, "foo")
if e.expected != "" {
if err == nil || !strings.Contains(err.Error(), e.expected) {
t.Fatalf("expected an error with %q, got %v", e.expected, err)
}
} else {
if label != "bar" {
t.Fatalf("expected label 'bar', got %s", label)
}
}
}
}
func TestDockerGetLabels(t *testing.T) {
containers := []struct {
container docker.ContainerJSON
expectedLabels map[string]string
expectedError string
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{},
},
expectedLabels: map[string]string{},
expectedError: "Label not found:",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{
Labels: map[string]string{
"foo": "fooz",
},
},
},
expectedLabels: map[string]string{
"foo": "fooz",
},
expectedError: "Label not found: bar",
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "foo",
},
Config: &container.Config{
Labels: map[string]string{
"foo": "fooz",
"bar": "barz",
},
},
},
expectedLabels: map[string]string{
"foo": "fooz",
"bar": "barz",
},
expectedError: "",
},
}
for _, e := range containers {
dockerData := parseContainer(e.container)
labels, err := getLabels(dockerData, []string{"foo", "bar"})
if !reflect.DeepEqual(labels, e.expectedLabels) {
t.Fatalf("expect %v, got %v", e.expectedLabels, labels)
}
if e.expectedError != "" {
if err == nil || !strings.Contains(err.Error(), e.expectedError) {
t.Fatalf("expected an error with %q, got %v", e.expectedError, err)
}
}
}
}
func TestDockerTraefikFilter(t *testing.T) {
provider := Docker{}
containers := []struct {
container docker.ContainerJSON
exposedByDefault bool
expected bool
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{},
},
exposedByDefault: true,
expected: false,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.enable": "false",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
exposedByDefault: true,
expected: false,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.frontend.rule": "Host:foo.bar",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
exposedByDefault: true,
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
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Name: "container-multi-ports",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
"443/tcp": {},
},
},
},
},
exposedByDefault: true,
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expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
exposedByDefault: true,
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.port": "80",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
"443/tcp": {},
},
},
},
},
exposedByDefault: true,
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.enable": "true",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
exposedByDefault: true,
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.enable": "anything",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
exposedByDefault: true,
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.frontend.rule": "Host:foo.bar",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
exposedByDefault: true,
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
exposedByDefault: false,
expected: false,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.enable": "true",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
exposedByDefault: false,
expected: true,
},
}
for _, e := range containers {
provider.ExposedByDefault = e.exposedByDefault
dockerData := parseContainer(e.container)
actual := provider.containerFilter(dockerData)
if actual != e.expected {
t.Fatalf("expected %v for %+v, got %+v", e.expected, e, actual)
}
}
}
func TestDockerLoadDockerConfig(t *testing.T) {
cases := []struct {
containers []docker.ContainerJSON
expectedFrontends map[string]*types.Frontend
expectedBackends map[string]*types.Backend
}{
{
containers: []docker.ContainerJSON{},
expectedFrontends: map[string]*types.Frontend{},
expectedBackends: map[string]*types.Backend{},
},
{
containers: []docker.ContainerJSON{
{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
Networks: map[string]*network.EndpointSettings{
"bridge": {
IPAddress: "127.0.0.1",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test-docker-localhost": {
Backend: "backend-test",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
"route-frontend-Host-test-docker-localhost": {
Rule: "Host:test.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-test": {
Servers: map[string]types.Server{
"server-test": {
URL: "http://127.0.0.1:80",
Weight: 0,
},
},
CircuitBreaker: nil,
},
},
},
{
containers: []docker.ContainerJSON{
{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test1",
},
Config: &container.Config{
Labels: map[string]string{
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"traefik.backend": "foobar",
"traefik.frontend.entryPoints": "http,https",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
Networks: map[string]*network.EndpointSettings{
"bridge": {
IPAddress: "127.0.0.1",
},
},
},
},
{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test2",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.backend": "foobar",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
Networks: map[string]*network.EndpointSettings{
"bridge": {
IPAddress: "127.0.0.1",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test1-docker-localhost": {
Backend: "backend-foobar",
PassHostHeader: true,
EntryPoints: []string{"http", "https"},
Routes: map[string]types.Route{
"route-frontend-Host-test1-docker-localhost": {
Rule: "Host:test1.docker.localhost",
},
},
},
"frontend-Host-test2-docker-localhost": {
Backend: "backend-foobar",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
"route-frontend-Host-test2-docker-localhost": {
Rule: "Host:test2.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-foobar": {
Servers: map[string]types.Server{
"server-test1": {
URL: "http://127.0.0.1:80",
Weight: 0,
},
"server-test2": {
URL: "http://127.0.0.1:80",
Weight: 0,
},
},
CircuitBreaker: nil,
},
},
},
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{
containers: []docker.ContainerJSON{
{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "test1",
},
Config: &container.Config{
Labels: map[string]string{
"traefik.backend": "foobar",
"traefik.frontend.entryPoints": "http,https",
"traefik.backend.maxconn.amount": "1000",
"traefik.backend.maxconn.extractorfunc": "somethingelse",
"traefik.backend.loadbalancer.method": "drr",
"traefik.backend.circuitbreaker.expression": "NetworkErrorRatio() > 0.5",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
Networks: map[string]*network.EndpointSettings{
"bridge": {
IPAddress: "127.0.0.1",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test1-docker-localhost": {
Backend: "backend-foobar",
PassHostHeader: true,
EntryPoints: []string{"http", "https"},
Routes: map[string]types.Route{
"route-frontend-Host-test1-docker-localhost": {
Rule: "Host:test1.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-foobar": {
Servers: map[string]types.Server{
"server-test1": {
URL: "http://127.0.0.1:80",
Weight: 0,
2016-08-25 04:22:06 +00:00
},
},
CircuitBreaker: &types.CircuitBreaker{
Expression: "NetworkErrorRatio() > 0.5",
},
LoadBalancer: &types.LoadBalancer{
Method: "drr",
},
MaxConn: &types.MaxConn{
Amount: 1000,
ExtractorFunc: "somethingelse",
},
},
},
},
}
provider := &Docker{
Domain: "docker.localhost",
ExposedByDefault: true,
}
for _, c := range cases {
var dockerDataList []dockerData
for _, container := range c.containers {
dockerData := parseContainer(container)
dockerDataList = append(dockerDataList, dockerData)
}
actualConfig := provider.loadDockerConfig(dockerDataList)
// Compare backends
if !reflect.DeepEqual(actualConfig.Backends, c.expectedBackends) {
t.Fatalf("expected %#v, got %#v", c.expectedBackends, actualConfig.Backends)
}
if !reflect.DeepEqual(actualConfig.Frontends, c.expectedFrontends) {
t.Fatalf("expected %#v, got %#v", c.expectedFrontends, actualConfig.Frontends)
}
}
}
func TestSwarmGetFrontendName(t *testing.T) {
provider := &Docker{
Domain: "docker.localhost",
SwarmMode: true,
}
services := []struct {
service swarm.Service
expected string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "foo",
},
},
},
expected: "Host-foo-docker-localhost",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
Labels: map[string]string{
"traefik.frontend.rule": "Headers:User-Agent,bat/0.1.0",
},
},
},
},
expected: "Headers-User-Agent-bat-0-1-0",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
Labels: map[string]string{
"traefik.frontend.rule": "Host:foo.bar",
},
},
},
},
expected: "Host-foo-bar",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
Labels: map[string]string{
"traefik.frontend.rule": "Path:/test",
},
},
},
},
expected: "Path-test",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
Labels: map[string]string{
"traefik.frontend.rule": "PathPrefix:/test2",
},
},
},
},
expected: "PathPrefix-test2",
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
actual := provider.getFrontendName(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestSwarmGetFrontendRule(t *testing.T) {
provider := &Docker{
Domain: "docker.localhost",
SwarmMode: true,
}
services := []struct {
service swarm.Service
expected string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "foo",
},
},
},
expected: "Host:foo.docker.localhost",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
},
},
},
expected: "Host:bar.docker.localhost",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
Labels: map[string]string{
"traefik.frontend.rule": "Host:foo.bar",
},
},
},
},
expected: "Host:foo.bar",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
Labels: map[string]string{
"traefik.frontend.rule": "Path:/test",
},
},
},
},
expected: "Path:/test",
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
actual := provider.getFrontendRule(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestSwarmGetBackend(t *testing.T) {
provider := &Docker{
SwarmMode: true,
}
services := []struct {
service swarm.Service
expected string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "foo",
},
},
},
expected: "foo",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
},
},
},
expected: "bar",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
Labels: map[string]string{
"traefik.backend": "foobar",
},
},
},
},
expected: "foobar",
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
actual := provider.getBackend(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestSwarmGetIPAddress(t *testing.T) {
provider := &Docker{
SwarmMode: true,
}
services := []struct {
service swarm.Service
expected string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeVIP,
},
},
Endpoint: swarm.Endpoint{
VirtualIPs: []swarm.EndpointVirtualIP{
{
NetworkID: "1",
Addr: "10.11.12.13/24",
},
},
},
},
expected: "10.11.12.13",
networks: map[string]*docker.NetworkResource{
"1": {
Name: "foo",
},
},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
Labels: map[string]string{
"traefik.docker.network": "barnet",
},
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeVIP,
},
},
Endpoint: swarm.Endpoint{
VirtualIPs: []swarm.EndpointVirtualIP{
{
NetworkID: "1",
Addr: "10.11.12.13/24",
},
{
NetworkID: "2",
Addr: "10.11.12.99/24",
},
},
},
},
expected: "10.11.12.99",
networks: map[string]*docker.NetworkResource{
"1": {
Name: "foonet",
},
"2": {
Name: "barnet",
},
},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
actual := provider.getIPAddress(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestSwarmGetPort(t *testing.T) {
provider := &Docker{
SwarmMode: true,
}
services := []struct {
service swarm.Service
expected string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
Labels: map[string]string{
"traefik.port": "8080",
},
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "8080",
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
actual := provider.getPort(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestSwarmGetWeight(t *testing.T) {
provider := &Docker{
SwarmMode: true,
}
services := []struct {
service swarm.Service
expected string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "0",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
Labels: map[string]string{
"traefik.weight": "10",
},
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "10",
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
actual := provider.getWeight(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestSwarmGetDomain(t *testing.T) {
provider := &Docker{
Domain: "docker.localhost",
SwarmMode: true,
}
services := []struct {
service swarm.Service
expected string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "foo",
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "docker.localhost",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
Labels: map[string]string{
"traefik.domain": "foo.bar",
},
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "foo.bar",
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
actual := provider.getDomain(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestSwarmGetProtocol(t *testing.T) {
provider := &Docker{
SwarmMode: true,
}
services := []struct {
service swarm.Service
expected string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "http",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
Labels: map[string]string{
"traefik.protocol": "https",
},
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "https",
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
actual := provider.getProtocol(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestSwarmGetPassHostHeader(t *testing.T) {
provider := &Docker{
SwarmMode: true,
}
services := []struct {
service swarm.Service
expected string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "true",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
Labels: map[string]string{
"traefik.frontend.passHostHeader": "false",
},
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "false",
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
actual := provider.getPassHostHeader(dockerData)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestSwarmGetLabel(t *testing.T) {
services := []struct {
service swarm.Service
expected string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "bar",
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "Label not found:",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
Labels: map[string]string{
"foo": "bar",
},
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeDNSRR,
},
},
},
expected: "",
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
label, err := getLabel(dockerData, "foo")
if e.expected != "" {
if err == nil || !strings.Contains(err.Error(), e.expected) {
t.Fatalf("expected an error with %q, got %v", e.expected, err)
}
} else {
if label != "bar" {
t.Fatalf("expected label 'bar', got %s", label)
}
}
}
}
func TestSwarmGetLabels(t *testing.T) {
services := []struct {
service swarm.Service
expectedLabels map[string]string
expectedError string
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
},
},
},
expectedLabels: map[string]string{},
expectedError: "Label not found:",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
Labels: map[string]string{
"foo": "fooz",
},
},
},
},
expectedLabels: map[string]string{
"foo": "fooz",
},
expectedError: "Label not found: bar",
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
Labels: map[string]string{
"foo": "fooz",
"bar": "barz",
},
},
},
},
expectedLabels: map[string]string{
"foo": "fooz",
"bar": "barz",
},
expectedError: "",
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
labels, err := getLabels(dockerData, []string{"foo", "bar"})
if !reflect.DeepEqual(labels, e.expectedLabels) {
t.Fatalf("expect %v, got %v", e.expectedLabels, labels)
}
if e.expectedError != "" {
if err == nil || !strings.Contains(err.Error(), e.expectedError) {
t.Fatalf("expected an error with %q, got %v", e.expectedError, err)
}
}
}
}
func TestSwarmTraefikFilter(t *testing.T) {
provider := &Docker{
SwarmMode: true,
}
services := []struct {
service swarm.Service
exposedByDefault bool
expected bool
networks map[string]*docker.NetworkResource
}{
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "container",
},
},
},
exposedByDefault: true,
expected: false,
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "container",
Labels: map[string]string{
"traefik.enable": "false",
"traefik.port": "80",
},
},
},
},
exposedByDefault: true,
expected: false,
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "container",
Labels: map[string]string{
"traefik.frontend.rule": "Host:foo.bar",
"traefik.port": "80",
},
},
},
},
exposedByDefault: true,
expected: true,
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "container",
Labels: map[string]string{
"traefik.port": "80",
},
},
},
},
exposedByDefault: true,
expected: true,
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "container",
Labels: map[string]string{
"traefik.enable": "true",
"traefik.port": "80",
},
},
},
},
exposedByDefault: true,
expected: true,
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "container",
Labels: map[string]string{
"traefik.enable": "anything",
"traefik.port": "80",
},
},
},
},
exposedByDefault: true,
expected: true,
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "container",
Labels: map[string]string{
"traefik.frontend.rule": "Host:foo.bar",
"traefik.port": "80",
},
},
},
},
exposedByDefault: true,
expected: true,
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "container",
Labels: map[string]string{
"traefik.port": "80",
},
},
},
},
exposedByDefault: false,
expected: false,
networks: map[string]*docker.NetworkResource{},
},
{
service: swarm.Service{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "container",
Labels: map[string]string{
"traefik.enable": "true",
"traefik.port": "80",
},
},
},
},
exposedByDefault: false,
expected: true,
networks: map[string]*docker.NetworkResource{},
},
}
for _, e := range services {
dockerData := parseService(e.service, e.networks)
provider.ExposedByDefault = e.exposedByDefault
actual := provider.containerFilter(dockerData)
if actual != e.expected {
t.Fatalf("expected %v for %+v, got %+v", e.expected, e, actual)
}
}
}
func TestSwarmLoadDockerConfig(t *testing.T) {
cases := []struct {
services []swarm.Service
expectedFrontends map[string]*types.Frontend
expectedBackends map[string]*types.Backend
networks map[string]*docker.NetworkResource
}{
{
services: []swarm.Service{},
expectedFrontends: map[string]*types.Frontend{},
expectedBackends: map[string]*types.Backend{},
networks: map[string]*docker.NetworkResource{},
},
{
services: []swarm.Service{
{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test",
Labels: map[string]string{
"traefik.port": "80",
},
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeVIP,
},
},
Endpoint: swarm.Endpoint{
VirtualIPs: []swarm.EndpointVirtualIP{
{
Addr: "127.0.0.1/24",
NetworkID: "1",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test-docker-localhost": {
Backend: "backend-test",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
"route-frontend-Host-test-docker-localhost": {
Rule: "Host:test.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-test": {
Servers: map[string]types.Server{
"server-test": {
URL: "http://127.0.0.1:80",
Weight: 0,
},
},
CircuitBreaker: nil,
LoadBalancer: nil,
},
},
networks: map[string]*docker.NetworkResource{
"1": {
Name: "foo",
},
},
},
{
services: []swarm.Service{
{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test1",
Labels: map[string]string{
"traefik.port": "80",
"traefik.backend": "foobar",
"traefik.frontend.entryPoints": "http,https",
},
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeVIP,
},
},
Endpoint: swarm.Endpoint{
VirtualIPs: []swarm.EndpointVirtualIP{
{
Addr: "127.0.0.1/24",
NetworkID: "1",
},
},
},
},
{
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{
Name: "test2",
Labels: map[string]string{
"traefik.port": "80",
"traefik.backend": "foobar",
},
},
EndpointSpec: &swarm.EndpointSpec{
Mode: swarm.ResolutionModeVIP,
},
},
Endpoint: swarm.Endpoint{
VirtualIPs: []swarm.EndpointVirtualIP{
{
Addr: "127.0.0.1/24",
NetworkID: "1",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test1-docker-localhost": {
Backend: "backend-foobar",
PassHostHeader: true,
EntryPoints: []string{"http", "https"},
Routes: map[string]types.Route{
"route-frontend-Host-test1-docker-localhost": {
Rule: "Host:test1.docker.localhost",
},
},
},
"frontend-Host-test2-docker-localhost": {
Backend: "backend-foobar",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
"route-frontend-Host-test2-docker-localhost": {
Rule: "Host:test2.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-foobar": {
Servers: map[string]types.Server{
"server-test1": {
URL: "http://127.0.0.1:80",
Weight: 0,
},
"server-test2": {
URL: "http://127.0.0.1:80",
Weight: 0,
},
},
CircuitBreaker: nil,
LoadBalancer: nil,
},
},
networks: map[string]*docker.NetworkResource{
"1": {
Name: "foo",
},
},
},
}
provider := &Docker{
Domain: "docker.localhost",
ExposedByDefault: true,
SwarmMode: true,
}
for _, c := range cases {
var dockerDataList []dockerData
for _, service := range c.services {
dockerData := parseService(service, c.networks)
dockerDataList = append(dockerDataList, dockerData)
}
actualConfig := provider.loadDockerConfig(dockerDataList)
// Compare backends
if !reflect.DeepEqual(actualConfig.Backends, c.expectedBackends) {
t.Fatalf("expected %#v, got %#v", c.expectedBackends, actualConfig.Backends)
}
if !reflect.DeepEqual(actualConfig.Frontends, c.expectedFrontends) {
t.Fatalf("expected %#v, got %#v", c.expectedFrontends, actualConfig.Frontends)
}
}
}