traefik/provider/docker/service_test.go

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package docker
import (
"reflect"
"strconv"
"testing"
"github.com/containous/traefik/types"
docker "github.com/docker/docker/api/types"
"github.com/docker/go-connections/nat"
)
func TestDockerGetServiceProtocol(t *testing.T) {
provider := &Provider{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(),
expected: "http",
},
{
container: containerJSON(labels(map[string]string{
types.LabelProtocol: "https",
})),
expected: "https",
},
{
container: containerJSON(labels(map[string]string{
"traefik.myservice.protocol": "https",
})),
expected: "https",
},
}
for containerID, e := range containers {
e := e
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dockerData := parseContainer(e.container)
actual := provider.getServiceProtocol(dockerData, "myservice")
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
})
}
}
func TestDockerGetServiceWeight(t *testing.T) {
provider := &Provider{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(),
expected: "0",
},
{
container: containerJSON(labels(map[string]string{
types.LabelWeight: "200",
})),
expected: "200",
},
{
container: containerJSON(labels(map[string]string{
"traefik.myservice.weight": "31337",
})),
expected: "31337",
},
}
for containerID, e := range containers {
e := e
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dockerData := parseContainer(e.container)
actual := provider.getServiceWeight(dockerData, "myservice")
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
})
}
}
func TestDockerGetServicePort(t *testing.T) {
provider := &Provider{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(),
expected: "",
},
{
container: containerJSON(labels(map[string]string{
types.LabelPort: "2500",
})),
expected: "2500",
},
{
container: containerJSON(labels(map[string]string{
"traefik.myservice.port": "1234",
})),
expected: "1234",
},
}
for containerID, e := range containers {
e := e
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dockerData := parseContainer(e.container)
actual := provider.getServicePort(dockerData, "myservice")
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
})
}
}
func TestDockerGetServiceFrontendRule(t *testing.T) {
provider := &Provider{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(name("foo")),
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expected: "",
},
{
container: containerJSON(labels(map[string]string{
types.LabelFrontendRule: "Path:/helloworld",
})),
expected: "Path:/helloworld",
},
{
container: containerJSON(labels(map[string]string{
"traefik.myservice.frontend.rule": "Path:/mycustomservicepath",
})),
expected: "Path:/mycustomservicepath",
},
}
for containerID, e := range containers {
e := e
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dockerData := parseContainer(e.container)
actual := provider.getServiceFrontendRule(dockerData, "myservice")
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
})
}
}
func TestDockerGetServiceBackend(t *testing.T) {
provider := &Provider{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(name("foo")),
expected: "foo-myservice",
},
{
container: containerJSON(labels(map[string]string{
types.LabelBackend: "another-backend",
})),
expected: "another-backend-myservice",
},
{
container: containerJSON(labels(map[string]string{
"traefik.myservice.frontend.backend": "custom-backend",
})),
expected: "custom-backend",
},
}
for containerID, e := range containers {
e := e
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dockerData := parseContainer(e.container)
actual := provider.getServiceBackend(dockerData, "myservice")
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
})
}
}
func TestDockerGetServicePriority(t *testing.T) {
provider := &Provider{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(),
expected: "0",
},
{
container: containerJSON(labels(map[string]string{
types.LabelFrontendPriority: "33",
})),
expected: "33",
},
{
container: containerJSON(labels(map[string]string{
"traefik.myservice.frontend.priority": "2503",
})),
expected: "2503",
},
}
for containerID, e := range containers {
e := e
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dockerData := parseContainer(e.container)
actual := provider.getServicePriority(dockerData, "myservice")
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
})
}
}
func TestDockerGetServicePassHostHeader(t *testing.T) {
provider := &Provider{}
containers := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(),
expected: "true",
},
{
container: containerJSON(labels(map[string]string{
types.LabelFrontendPassHostHeader: "false",
})),
expected: "false",
},
{
container: containerJSON(labels(map[string]string{
"traefik.myservice.frontend.passHostHeader": "false",
})),
expected: "false",
},
}
for containerID, e := range containers {
e := e
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dockerData := parseContainer(e.container)
actual := provider.getServicePassHostHeader(dockerData, "myservice")
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
})
}
}
func TestDockerGetServiceEntryPoints(t *testing.T) {
provider := &Provider{}
containers := []struct {
container docker.ContainerJSON
expected []string
}{
{
container: containerJSON(),
expected: []string{},
},
{
container: containerJSON(labels(map[string]string{
types.LabelFrontendEntryPoints: "http,https",
})),
expected: []string{"http", "https"},
},
{
container: containerJSON(labels(map[string]string{
"traefik.myservice.frontend.entryPoints": "http,https",
})),
expected: []string{"http", "https"},
},
}
for containerID, e := range containers {
e := e
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dockerData := parseContainer(e.container)
actual := provider.getServiceEntryPoints(dockerData, "myservice")
if !reflect.DeepEqual(actual, e.expected) {
t.Fatalf("expected %q, got %q for container %q", e.expected, actual, dockerData.Name)
}
})
}
}
func TestDockerLoadDockerServiceConfig(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{
containerJSON(
name("foo"),
labels(map[string]string{
"traefik.service.port": "2503",
"traefik.service.frontend.entryPoints": "http,https",
"traefik.service.frontend.auth.basic": "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
),
},
expectedFrontends: map[string]*types.Frontend{
"frontend-foo-service": {
Backend: "backend-foo-service",
PassHostHeader: true,
EntryPoints: []string{"http", "https"},
BasicAuth: []string{"test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"},
Routes: map[string]types.Route{
"service-service": {
Rule: "Host:foo.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-foo-service": {
Servers: map[string]types.Server{
"service-0": {
URL: "http://127.0.0.1:2503",
Weight: 0,
},
},
CircuitBreaker: nil,
},
},
},
{
containers: []docker.ContainerJSON{
containerJSON(
name("test1"),
labels(map[string]string{
"traefik.service.port": "2503",
"traefik.service.protocol": "https",
"traefik.service.weight": "80",
"traefik.service.frontend.backend": "foobar",
"traefik.service.frontend.passHostHeader": "false",
"traefik.service.frontend.rule": "Path:/mypath",
"traefik.service.frontend.priority": "5000",
"traefik.service.frontend.entryPoints": "http,https,ws",
"traefik.service.frontend.auth.basic": "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
),
containerJSON(
name("test2"),
labels(map[string]string{
"traefik.anotherservice.port": "8079",
"traefik.anotherservice.weight": "33",
"traefik.anotherservice.frontend.rule": "Path:/anotherpath",
}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
),
},
expectedFrontends: map[string]*types.Frontend{
"frontend-foobar": {
Backend: "backend-foobar",
PassHostHeader: false,
Priority: 5000,
EntryPoints: []string{"http", "https", "ws"},
BasicAuth: []string{"test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"},
Routes: map[string]types.Route{
"service-service": {
Rule: "Path:/mypath",
},
},
},
"frontend-test2-anotherservice": {
Backend: "backend-test2-anotherservice",
PassHostHeader: true,
EntryPoints: []string{},
BasicAuth: []string{},
Routes: map[string]types.Route{
"service-anotherservice": {
Rule: "Path:/anotherpath",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-foobar": {
Servers: map[string]types.Server{
"service-0": {
URL: "https://127.0.0.1:2503",
Weight: 80,
},
},
CircuitBreaker: nil,
},
"backend-test2-anotherservice": {
Servers: map[string]types.Server{
"service-0": {
URL: "http://127.0.0.1:8079",
Weight: 33,
},
},
CircuitBreaker: nil,
},
},
},
}
provider := &Provider{
Domain: "docker.localhost",
ExposedByDefault: true,
}
for caseID, c := range cases {
c := c
t.Run(strconv.Itoa(caseID), func(t *testing.T) {
t.Parallel()
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)
}
})
}
}