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traefik/provider/marathon/marathon_test.go
Timo Reimann 1dcf8d2ea6 Add tests lost during PR 1320.
The tests part of this change were originally in PR 1320 but got lost
during one of the rebases. Let's bring them back in.
2017-05-03 16:27:21 +02:00

1804 lines
38 KiB
Go

package marathon
import (
"errors"
"reflect"
"testing"
"fmt"
"github.com/containous/traefik/mocks"
"github.com/containous/traefik/testhelpers"
"github.com/containous/traefik/types"
"github.com/davecgh/go-spew/spew"
"github.com/gambol99/go-marathon"
"github.com/stretchr/testify/mock"
)
type fakeClient struct {
mocks.Marathon
}
func newFakeClient(applicationsError bool, applications *marathon.Applications, tasksError bool, tasks *marathon.Tasks) *fakeClient {
// create an instance of our test object
fakeClient := new(fakeClient)
if applicationsError {
fakeClient.On("Applications", mock.Anything).Return(nil, errors.New("error"))
} else {
fakeClient.On("Applications", mock.Anything).Return(applications, nil)
}
if !applicationsError {
if tasksError {
fakeClient.On("AllTasks", mock.Anything).Return(nil, errors.New("error"))
} else {
fakeClient.On("AllTasks", mock.Anything).Return(tasks, nil)
}
}
return fakeClient
}
func TestMarathonLoadConfig(t *testing.T) {
cases := []struct {
applicationsError bool
applications *marathon.Applications
tasksError bool
tasks *marathon.Tasks
expectedNil bool
expectedFrontends map[string]*types.Frontend
expectedBackends map[string]*types.Backend
}{
{
applications: &marathon.Applications{},
tasks: &marathon.Tasks{},
expectedFrontends: map[string]*types.Frontend{},
expectedBackends: map[string]*types.Backend{},
},
{
applicationsError: true,
applications: &marathon.Applications{},
tasks: &marathon.Tasks{},
expectedNil: true,
expectedFrontends: map[string]*types.Frontend{},
expectedBackends: map[string]*types.Backend{},
},
{
applications: &marathon.Applications{},
tasksError: true,
tasks: &marathon.Tasks{},
expectedNil: true,
expectedFrontends: map[string]*types.Frontend{},
expectedBackends: map[string]*types.Backend{},
},
{
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "/test",
Ports: []int{80},
Labels: &map[string]string{},
},
},
},
tasks: &marathon.Tasks{
Tasks: []marathon.Task{
{
ID: "test",
AppID: "/test",
Host: "localhost",
Ports: []int{80},
IPAddresses: []*marathon.IPAddress{
{
IPAddress: "127.0.0.1",
Protocol: "tcp",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
`frontend-test`: {
Backend: "backend-test",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
`route-host-test`: {
Rule: "Host:test.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-test": {
Servers: map[string]types.Server{
"server-test": {
URL: "http://localhost:80",
Weight: 0,
},
},
CircuitBreaker: nil,
},
},
},
{
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "/testLoadBalancerAndCircuitBreaker.dot",
Ports: []int{80},
Labels: &map[string]string{
"traefik.backend.loadbalancer.method": "drr",
"traefik.backend.circuitbreaker.expression": "NetworkErrorRatio() > 0.5",
},
},
},
},
tasks: &marathon.Tasks{
Tasks: []marathon.Task{
{
ID: "testLoadBalancerAndCircuitBreaker.dot",
AppID: "/testLoadBalancerAndCircuitBreaker.dot",
Host: "localhost",
Ports: []int{80},
IPAddresses: []*marathon.IPAddress{
{
IPAddress: "127.0.0.1",
Protocol: "tcp",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
`frontend-testLoadBalancerAndCircuitBreaker.dot`: {
Backend: "backend-testLoadBalancerAndCircuitBreaker.dot",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
`route-host-testLoadBalancerAndCircuitBreaker.dot`: {
Rule: "Host:testLoadBalancerAndCircuitBreaker.dot.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-testLoadBalancerAndCircuitBreaker.dot": {
Servers: map[string]types.Server{
"server-testLoadBalancerAndCircuitBreaker-dot": {
URL: "http://localhost:80",
Weight: 0,
},
},
CircuitBreaker: &types.CircuitBreaker{
Expression: "NetworkErrorRatio() > 0.5",
},
LoadBalancer: &types.LoadBalancer{
Method: "drr",
},
},
},
},
{
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "/testMaxConn",
Ports: []int{80},
Labels: &map[string]string{
"traefik.backend.maxconn.amount": "1000",
"traefik.backend.maxconn.extractorfunc": "client.ip",
},
},
},
},
tasks: &marathon.Tasks{
Tasks: []marathon.Task{
{
ID: "testMaxConn",
AppID: "/testMaxConn",
Host: "localhost",
Ports: []int{80},
IPAddresses: []*marathon.IPAddress{
{
IPAddress: "127.0.0.1",
Protocol: "tcp",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
`frontend-testMaxConn`: {
Backend: "backend-testMaxConn",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
`route-host-testMaxConn`: {
Rule: "Host:testMaxConn.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-testMaxConn": {
Servers: map[string]types.Server{
"server-testMaxConn": {
URL: "http://localhost:80",
Weight: 0,
},
},
MaxConn: &types.MaxConn{
Amount: 1000,
ExtractorFunc: "client.ip",
},
},
},
},
{
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "/testMaxConnOnlySpecifyAmount",
Ports: []int{80},
Labels: &map[string]string{
"traefik.backend.maxconn.amount": "1000",
},
},
},
},
tasks: &marathon.Tasks{
Tasks: []marathon.Task{
{
ID: "testMaxConnOnlySpecifyAmount",
AppID: "/testMaxConnOnlySpecifyAmount",
Host: "localhost",
Ports: []int{80},
IPAddresses: []*marathon.IPAddress{
{
IPAddress: "127.0.0.1",
Protocol: "tcp",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
`frontend-testMaxConnOnlySpecifyAmount`: {
Backend: "backend-testMaxConnOnlySpecifyAmount",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
`route-host-testMaxConnOnlySpecifyAmount`: {
Rule: "Host:testMaxConnOnlySpecifyAmount.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-testMaxConnOnlySpecifyAmount": {
Servers: map[string]types.Server{
"server-testMaxConnOnlySpecifyAmount": {
URL: "http://localhost:80",
Weight: 0,
},
},
MaxConn: nil,
},
},
},
{
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "/testMaxConnOnlyExtractorFunc",
Ports: []int{80},
Labels: &map[string]string{
"traefik.backend.maxconn.extractorfunc": "client.ip",
},
},
},
},
tasks: &marathon.Tasks{
Tasks: []marathon.Task{
{
ID: "testMaxConnOnlyExtractorFunc",
AppID: "/testMaxConnOnlyExtractorFunc",
Host: "localhost",
Ports: []int{80},
IPAddresses: []*marathon.IPAddress{
{
IPAddress: "127.0.0.1",
Protocol: "tcp",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
`frontend-testMaxConnOnlyExtractorFunc`: {
Backend: "backend-testMaxConnOnlyExtractorFunc",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
`route-host-testMaxConnOnlyExtractorFunc`: {
Rule: "Host:testMaxConnOnlyExtractorFunc.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-testMaxConnOnlyExtractorFunc": {
Servers: map[string]types.Server{
"server-testMaxConnOnlyExtractorFunc": {
URL: "http://localhost:80",
Weight: 0,
},
},
MaxConn: nil,
},
},
},
{
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "/testHealthCheck",
Ports: []int{80},
Labels: &map[string]string{
labelBackendHealthCheckPath: "/path",
labelBackendHealthCheckInterval: "5m",
},
},
},
},
tasks: &marathon.Tasks{
Tasks: []marathon.Task{
{
ID: "testHealthCheck",
AppID: "/testHealthCheck",
Host: "127.0.0.1",
Ports: []int{80},
IPAddresses: []*marathon.IPAddress{
{
IPAddress: "127.0.0.1",
Protocol: "tcp",
},
},
},
},
},
expectedFrontends: map[string]*types.Frontend{
"frontend-testHealthCheck": {
Backend: "backend-testHealthCheck",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
"route-host-testHealthCheck": {
Rule: "Host:testHealthCheck.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-testHealthCheck": {
Servers: map[string]types.Server{
"server-testHealthCheck": {
URL: "http://127.0.0.1:80",
Weight: 0,
},
},
HealthCheck: &types.HealthCheck{
Path: "/path",
Interval: "5m",
},
},
},
},
}
for _, c := range cases {
appID := ""
if len(c.applications.Apps) > 0 {
appID = c.applications.Apps[0].ID
}
t.Run(fmt.Sprintf("app ID: %s", appID), func(t *testing.T) {
t.Parallel()
fakeClient := newFakeClient(c.applicationsError, c.applications, c.tasksError, c.tasks)
provider := &Provider{
Domain: "docker.localhost",
ExposedByDefault: true,
marathonClient: fakeClient,
}
actualConfig := provider.loadMarathonConfig()
fakeClient.AssertExpectations(t)
if c.expectedNil {
if actualConfig != nil {
t.Fatalf("configuration should have been nil, got %v", actualConfig)
}
} else {
// Compare backends
if !reflect.DeepEqual(actualConfig.Backends, c.expectedBackends) {
t.Errorf("got backend\n%v\nwant\n\n%v", spew.Sdump(actualConfig.Backends), spew.Sdump(c.expectedBackends))
}
if !reflect.DeepEqual(actualConfig.Frontends, c.expectedFrontends) {
t.Errorf("got frontend\n%v\nwant\n\n%v", spew.Sdump(actualConfig.Frontends), spew.Sdump(c.expectedFrontends))
}
}
})
}
}
func TestMarathonTaskFilter(t *testing.T) {
cases := []struct {
task marathon.Task
applications *marathon.Applications
expected bool
exposedByDefault bool
}{
{
task: marathon.Task{},
applications: &marathon.Applications{},
expected: false,
exposedByDefault: true,
},
{
task: marathon.Task{
AppID: "test",
Ports: []int{80},
},
applications: &marathon.Applications{},
expected: false,
exposedByDefault: true,
},
{
task: marathon.Task{
AppID: "test",
Ports: []int{80},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "foo",
Labels: &map[string]string{},
},
},
},
expected: false,
exposedByDefault: true,
},
{
task: marathon.Task{
AppID: "missing-port",
Ports: []int{},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "missing-port",
Labels: &map[string]string{},
},
},
},
expected: false,
exposedByDefault: true,
},
{
task: marathon.Task{
AppID: "existing-port",
Ports: []int{80},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "existing-port",
Ports: []int{80},
Labels: &map[string]string{},
},
},
},
expected: true,
exposedByDefault: true,
},
{
task: marathon.Task{
Ports: []int{80},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "disable",
Ports: []int{80},
Labels: &map[string]string{
"traefik.enable": "false",
},
},
},
},
expected: false,
exposedByDefault: true,
},
{
task: marathon.Task{
AppID: "specify-both-port-index-and-number",
Ports: []int{80, 443},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "specify-both-port-index-and-number",
Ports: []int{80, 443},
Labels: &map[string]string{
"traefik.port": "443",
"traefik.portIndex": "1",
},
},
},
},
expected: false,
exposedByDefault: true,
},
{
task: marathon.Task{
AppID: "healthcheck-available",
Ports: []int{80},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "healthcheck-available",
Ports: []int{80},
Labels: &map[string]string{},
HealthChecks: &[]marathon.HealthCheck{
*marathon.NewDefaultHealthCheck(),
},
},
},
},
expected: true,
exposedByDefault: true,
},
{
task: marathon.Task{
AppID: "healthcheck-false",
Ports: []int{80},
HealthCheckResults: []*marathon.HealthCheckResult{
{
Alive: false,
},
},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "healthcheck-false",
Ports: []int{80},
Labels: &map[string]string{},
HealthChecks: &[]marathon.HealthCheck{
*marathon.NewDefaultHealthCheck(),
},
},
},
},
expected: false,
exposedByDefault: true,
},
{
task: marathon.Task{
AppID: "healthcheck-mixed-results",
Ports: []int{80},
HealthCheckResults: []*marathon.HealthCheckResult{
{
Alive: true,
},
{
Alive: false,
},
},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "healthcheck-mixed-results",
Ports: []int{80},
Labels: &map[string]string{},
HealthChecks: &[]marathon.HealthCheck{
*marathon.NewDefaultHealthCheck(),
},
},
},
},
expected: false,
exposedByDefault: true,
},
{
task: marathon.Task{
AppID: "healthcheck-alive",
Ports: []int{80},
HealthCheckResults: []*marathon.HealthCheckResult{
{
Alive: true,
},
},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "healthcheck-alive",
Ports: []int{80},
Labels: &map[string]string{},
HealthChecks: &[]marathon.HealthCheck{
*marathon.NewDefaultHealthCheck(),
},
},
},
},
expected: true,
exposedByDefault: true,
},
{
task: marathon.Task{
AppID: "disable-default-expose",
Ports: []int{80},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "disable-default-expose",
Ports: []int{80},
Labels: &map[string]string{},
},
},
},
expected: false,
exposedByDefault: false,
},
{
task: marathon.Task{
AppID: "disable-default-expose-disable-in-label",
Ports: []int{80},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "disable-default-expose-disable-in-label",
Ports: []int{80},
Labels: &map[string]string{
"traefik.enable": "false",
},
},
},
},
expected: false,
exposedByDefault: false,
},
{
task: marathon.Task{
AppID: "disable-default-expose-enable-in-label",
Ports: []int{80},
},
applications: &marathon.Applications{
Apps: []marathon.Application{
{
ID: "disable-default-expose-enable-in-label",
Ports: []int{80},
Labels: &map[string]string{
"traefik.enable": "true",
},
},
},
},
expected: true,
exposedByDefault: false,
},
}
provider := &Provider{}
for _, c := range cases {
actual := provider.taskFilter(c.task, c.applications, c.exposedByDefault)
if actual != c.expected {
t.Fatalf("App %s: expected %v, got %v", c.task.AppID, c.expected, actual)
}
}
}
func TestMarathonAppConstraints(t *testing.T) {
cases := []struct {
application marathon.Application
filteredTasks []marathon.Task
expected bool
marathonLBCompatibility bool
}{
{
application: marathon.Application{
ID: "foo1",
Labels: &map[string]string{},
},
filteredTasks: []marathon.Task{
{
AppID: "foo1",
},
},
marathonLBCompatibility: false,
expected: false,
},
{
application: marathon.Application{
ID: "foo2",
Labels: &map[string]string{
"traefik.tags": "valid",
},
},
filteredTasks: []marathon.Task{
{
AppID: "foo2",
},
},
marathonLBCompatibility: false,
expected: true,
},
{
application: marathon.Application{
ID: "foo3",
Labels: &map[string]string{
"HAPROXY_GROUP": "valid",
"traefik.tags": "notvalid",
},
},
filteredTasks: []marathon.Task{
{
AppID: "foo3",
},
},
marathonLBCompatibility: true,
expected: true,
},
}
for _, c := range cases {
provider := &Provider{
MarathonLBCompatibility: c.marathonLBCompatibility,
}
constraint, _ := types.NewConstraint("tag==valid")
provider.Constraints = types.Constraints{constraint}
actual := provider.applicationFilter(c.application, c.filteredTasks)
if actual != c.expected {
t.Fatalf("expected %v, got %v: %v", c.expected, actual, c.application)
}
}
}
func TestMarathonTaskConstraints(t *testing.T) {
cases := []struct {
applications []marathon.Application
filteredTask marathon.Task
expected bool
marathonLBCompatibility bool
}{
{
applications: []marathon.Application{
{
ID: "bar1",
Labels: &map[string]string{},
}, {
ID: "foo1",
Labels: &map[string]string{
"traefik.tags": "other",
},
},
},
filteredTask: marathon.Task{
AppID: "foo1",
Ports: []int{80},
},
marathonLBCompatibility: false,
expected: false,
},
{
applications: []marathon.Application{
{
ID: "foo2",
Labels: &map[string]string{
"traefik.tags": "valid",
},
},
},
filteredTask: marathon.Task{
AppID: "foo2",
Ports: []int{80},
},
marathonLBCompatibility: false,
expected: true,
},
{
applications: []marathon.Application{
{
ID: "foo3",
Labels: &map[string]string{
"HAPROXY_GROUP": "valid",
"traefik.tags": "notvalid",
},
}, {
ID: "foo4",
Labels: &map[string]string{
"HAPROXY_GROUP": "notvalid",
"traefik.tags": "valid",
},
},
},
filteredTask: marathon.Task{
AppID: "foo3",
Ports: []int{80},
},
marathonLBCompatibility: true,
expected: true,
},
}
for _, c := range cases {
provider := &Provider{
MarathonLBCompatibility: c.marathonLBCompatibility,
}
constraint, _ := types.NewConstraint("tag==valid")
provider.Constraints = types.Constraints{constraint}
apps := new(marathon.Applications)
apps.Apps = c.applications
actual := provider.taskFilter(c.filteredTask, apps, true)
if actual != c.expected {
t.Fatalf("expected %v, got %v: %v", c.expected, actual, c.filteredTask)
}
}
}
func TestMarathonApplicationFilter(t *testing.T) {
cases := []struct {
application marathon.Application
filteredTasks []marathon.Task
expected bool
}{
{
application: marathon.Application{
Labels: &map[string]string{},
},
filteredTasks: []marathon.Task{},
expected: false,
},
{
application: marathon.Application{
ID: "test",
Labels: &map[string]string{},
},
filteredTasks: []marathon.Task{},
expected: false,
},
{
application: marathon.Application{
ID: "foo",
Labels: &map[string]string{},
},
filteredTasks: []marathon.Task{
{
AppID: "bar",
},
},
expected: false,
},
{
application: marathon.Application{
ID: "foo",
Labels: &map[string]string{},
},
filteredTasks: []marathon.Task{
{
AppID: "foo",
},
},
expected: true,
},
}
provider := &Provider{}
for _, c := range cases {
actual := provider.applicationFilter(c.application, c.filteredTasks)
if actual != c.expected {
t.Fatalf("expected %v, got %v", c.expected, actual)
}
}
}
func TestMarathonGetPort(t *testing.T) {
provider := &Provider{}
cases := []struct {
desc string
applications []marathon.Application
task marathon.Task
expected string
}{
{
desc: "no applications",
applications: []marathon.Application{},
task: marathon.Task{
AppID: "app",
Ports: []int{80},
},
expected: "",
},
{
desc: "application mismatch",
applications: []marathon.Application{
{
ID: "test1",
Labels: &map[string]string{},
},
},
task: marathon.Task{
AppID: "test2",
Ports: []int{80},
},
expected: "",
},
{
desc: "port missing",
applications: []marathon.Application{
{
ID: "app",
Labels: &map[string]string{},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{},
},
expected: "",
},
{
desc: "explicit port taken",
applications: []marathon.Application{
{
ID: "app",
Labels: &map[string]string{
"traefik.port": "80",
},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{},
},
expected: "80",
},
{
desc: "illegal explicit port specified",
applications: []marathon.Application{
{
ID: "app",
Labels: &map[string]string{
"traefik.port": "foobar",
},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{80},
},
expected: "",
},
{
desc: "illegal explicit port integer specified",
applications: []marathon.Application{
{
ID: "app",
Labels: &map[string]string{
"traefik.port": "-1",
},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{80},
},
expected: "",
},
{
desc: "task port available",
applications: []marathon.Application{
{
ID: "app",
Labels: &map[string]string{},
PortDefinitions: &[]marathon.PortDefinition{
{
Port: testhelpers.Intp(443),
},
},
IPAddressPerTask: &marathon.IPAddressPerTask{
Discovery: &marathon.Discovery{
Ports: &[]marathon.Port{
{
Number: 8000,
},
},
},
},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{80},
},
expected: "80",
},
{
desc: "port mapping port available",
applications: []marathon.Application{
{
ID: "app",
Labels: &map[string]string{},
PortDefinitions: &[]marathon.PortDefinition{
{
Port: testhelpers.Intp(443),
},
},
IPAddressPerTask: &marathon.IPAddressPerTask{
Discovery: &marathon.Discovery{
Ports: &[]marathon.Port{
{
Number: 8000,
},
},
},
},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{},
},
expected: "443",
},
{
desc: "IP-per-task port available",
applications: []marathon.Application{
{
ID: "app",
Labels: &map[string]string{},
IPAddressPerTask: &marathon.IPAddressPerTask{
Discovery: &marathon.Discovery{
Ports: &[]marathon.Port{
{
Number: 8000,
},
},
},
},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{},
},
expected: "8000",
},
{
desc: "first port taken from multiple ports",
applications: []marathon.Application{
{
ID: "app",
Labels: &map[string]string{},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{80, 443},
},
expected: "80",
},
{
desc: "indexed port taken",
applications: []marathon.Application{
{
ID: "app",
Labels: &map[string]string{
"traefik.portIndex": "1",
},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{80, 443},
},
expected: "443",
},
{
desc: "illegal port index specified",
applications: []marathon.Application{
{
ID: "app",
Labels: &map[string]string{
"traefik.portIndex": "foobar",
},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{80},
},
expected: "",
},
{
desc: "task port preferred over application port",
applications: []marathon.Application{
{
ID: "app",
Ports: []int{9999},
Labels: &map[string]string{},
},
},
task: marathon.Task{
AppID: "app",
Ports: []int{7777},
},
expected: "7777",
},
}
for _, c := range cases {
c := c
t.Run(c.desc, func(t *testing.T) {
t.Parallel()
actual := provider.getPort(c.task, c.applications)
if actual != c.expected {
t.Errorf("got %q, want %q", c.expected, actual)
}
})
}
}
func TestMarathonGetWeight(t *testing.T) {
provider := &Provider{}
applications := []struct {
applications []marathon.Application
task marathon.Task
expected string
}{
{
applications: []marathon.Application{},
task: marathon.Task{},
expected: "0",
},
{
applications: []marathon.Application{
{
ID: "test1",
Labels: &map[string]string{
"traefik.weight": "10",
},
},
},
task: marathon.Task{
AppID: "test2",
},
expected: "0",
},
{
applications: []marathon.Application{
{
ID: "test",
Labels: &map[string]string{
"traefik.test": "10",
},
},
},
task: marathon.Task{
AppID: "test",
},
expected: "0",
},
{
applications: []marathon.Application{
{
ID: "test",
Labels: &map[string]string{
"traefik.weight": "10",
},
},
},
task: marathon.Task{
AppID: "test",
},
expected: "10",
},
}
for _, a := range applications {
actual := provider.getWeight(a.task, a.applications)
if actual != a.expected {
t.Fatalf("expected %q, got %q", a.expected, actual)
}
}
}
func TestMarathonGetDomain(t *testing.T) {
provider := &Provider{
Domain: "docker.localhost",
}
applications := []struct {
application marathon.Application
expected string
}{
{
application: marathon.Application{
Labels: &map[string]string{}},
expected: "docker.localhost",
},
{
application: marathon.Application{
Labels: &map[string]string{
"traefik.domain": "foo.bar",
},
},
expected: "foo.bar",
},
}
for _, a := range applications {
actual := provider.getDomain(a.application)
if actual != a.expected {
t.Fatalf("expected %q, got %q", a.expected, actual)
}
}
}
func TestMarathonGetProtocol(t *testing.T) {
provider := &Provider{}
applications := []struct {
applications []marathon.Application
task marathon.Task
expected string
}{
{
applications: []marathon.Application{},
task: marathon.Task{},
expected: "http",
},
{
applications: []marathon.Application{
{
ID: "test1",
Labels: &map[string]string{
"traefik.protocol": "https",
},
},
},
task: marathon.Task{
AppID: "test2",
},
expected: "http",
},
{
applications: []marathon.Application{
{
ID: "test",
Labels: &map[string]string{
"traefik.foo": "bar",
},
},
},
task: marathon.Task{
AppID: "test",
},
expected: "http",
},
{
applications: []marathon.Application{
{
ID: "test",
Labels: &map[string]string{
"traefik.protocol": "https",
},
},
},
task: marathon.Task{
AppID: "test",
},
expected: "https",
},
}
for _, a := range applications {
actual := provider.getProtocol(a.task, a.applications)
if actual != a.expected {
t.Fatalf("expected %q, got %q", a.expected, actual)
}
}
}
func TestMarathonGetPassHostHeader(t *testing.T) {
provider := &Provider{}
applications := []struct {
application marathon.Application
expected string
}{
{
application: marathon.Application{
Labels: &map[string]string{}},
expected: "true",
},
{
application: marathon.Application{
Labels: &map[string]string{
"traefik.frontend.passHostHeader": "false",
},
},
expected: "false",
},
}
for _, a := range applications {
actual := provider.getPassHostHeader(a.application)
if actual != a.expected {
t.Fatalf("expected %q, got %q", a.expected, actual)
}
}
}
func TestMarathonGetEntryPoints(t *testing.T) {
provider := &Provider{}
applications := []struct {
application marathon.Application
expected []string
}{
{
application: marathon.Application{
Labels: &map[string]string{}},
expected: []string{},
},
{
application: marathon.Application{
Labels: &map[string]string{
"traefik.frontend.entryPoints": "http,https",
},
},
expected: []string{"http", "https"},
},
}
for _, a := range applications {
actual := provider.getEntryPoints(a.application)
if !reflect.DeepEqual(actual, a.expected) {
t.Fatalf("expected %#v, got %#v", a.expected, actual)
}
}
}
func TestMarathonGetFrontendRule(t *testing.T) {
applications := []struct {
application marathon.Application
expected string
marathonLBCompatibility bool
}{
{
application: marathon.Application{
Labels: &map[string]string{}},
marathonLBCompatibility: true,
expected: "Host:.docker.localhost",
},
{
application: marathon.Application{
ID: "test",
Labels: &map[string]string{
"HAPROXY_0_VHOST": "foo.bar",
},
},
marathonLBCompatibility: false,
expected: "Host:test.docker.localhost",
},
{
application: marathon.Application{
Labels: &map[string]string{
"traefik.frontend.rule": "Host:foo.bar",
"HAPROXY_0_VHOST": "notvalid",
},
},
marathonLBCompatibility: true,
expected: "Host:foo.bar",
},
{
application: marathon.Application{
Labels: &map[string]string{
"HAPROXY_0_VHOST": "foo.bar",
},
},
marathonLBCompatibility: true,
expected: "Host:foo.bar",
},
}
for _, a := range applications {
provider := &Provider{
Domain: "docker.localhost",
MarathonLBCompatibility: a.marathonLBCompatibility,
}
actual := provider.getFrontendRule(a.application)
if actual != a.expected {
t.Fatalf("expected %q, got %q", a.expected, actual)
}
}
}
func TestMarathonGetBackend(t *testing.T) {
provider := &Provider{}
applications := []struct {
application marathon.Application
expected string
}{
{
application: marathon.Application{
ID: "foo",
Labels: &map[string]string{
"traefik.backend": "bar",
},
},
expected: "bar",
},
}
for _, a := range applications {
actual := provider.getFrontendBackend(a.application)
if actual != a.expected {
t.Fatalf("expected %q, got %q", a.expected, actual)
}
}
}
func TestMarathonGetSubDomain(t *testing.T) {
providerGroups := &Provider{GroupsAsSubDomains: true}
providerNoGroups := &Provider{GroupsAsSubDomains: false}
apps := []struct {
path string
expected string
provider *Provider
}{
{"/test", "test", providerNoGroups},
{"/test", "test", providerGroups},
{"/a/b/c/d", "d.c.b.a", providerGroups},
{"/b/a/d/c", "c.d.a.b", providerGroups},
{"/d/c/b/a", "a.b.c.d", providerGroups},
{"/c/d/a/b", "b.a.d.c", providerGroups},
{"/a/b/c/d", "a-b-c-d", providerNoGroups},
{"/b/a/d/c", "b-a-d-c", providerNoGroups},
{"/d/c/b/a", "d-c-b-a", providerNoGroups},
{"/c/d/a/b", "c-d-a-b", providerNoGroups},
}
for _, a := range apps {
actual := a.provider.getSubDomain(a.path)
if actual != a.expected {
t.Errorf("expected %q, got %q", a.expected, actual)
}
}
}
func TestMarathonHasHealthCheckLabels(t *testing.T) {
tests := []struct {
desc string
value *string
want bool
}{
{
desc: "label missing",
value: nil,
want: false,
},
{
desc: "empty path",
value: stringp(""),
want: false,
},
{
desc: "non-empty path",
value: stringp("/path"),
want: true,
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
app := marathon.Application{
Labels: &map[string]string{},
}
if test.value != nil {
app.AddLabel(labelBackendHealthCheckPath, *test.value)
}
prov := &Provider{}
got := prov.hasHealthCheckLabels(app)
if got != test.want {
t.Errorf("got %t, want %t", got, test.want)
}
})
}
}
func TestMarathonGetHealthCheckPath(t *testing.T) {
tests := []struct {
desc string
value *string
want string
}{
{
desc: "label missing",
value: nil,
want: "",
},
{
desc: "path existing",
value: stringp("/path"),
want: "/path",
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
app := marathon.Application{}
app.EmptyLabels()
if test.value != nil {
app.AddLabel(labelBackendHealthCheckPath, *test.value)
}
prov := &Provider{}
got := prov.getHealthCheckPath(app)
if got != test.want {
t.Errorf("got %s, want %s", got, test.want)
}
})
}
}
func TestMarathonGetHealthCheckInterval(t *testing.T) {
tests := []struct {
desc string
value *string
want string
}{
{
desc: "label missing",
value: nil,
want: "",
},
{
desc: "interval existing",
value: stringp("5m"),
want: "5m",
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
app := marathon.Application{
Labels: &map[string]string{},
}
if test.value != nil {
app.AddLabel(labelBackendHealthCheckInterval, *test.value)
}
prov := &Provider{}
got := prov.getHealthCheckInterval(app)
if got != test.want {
t.Errorf("got %s, want %s", got, test.want)
}
})
}
}
func stringp(s string) *string {
return &s
}
func TestGetBackendServer(t *testing.T) {
appID := "appId"
host := "host"
tests := []struct {
desc string
application marathon.Application
addIPAddrPerTask bool
task marathon.Task
forceTaskHostname bool
wantServer string
}{
{
desc: "application missing",
application: marathon.Application{ID: "other"},
wantServer: "",
},
{
desc: "application without IP-per-task",
wantServer: host,
},
{
desc: "task hostname override",
addIPAddrPerTask: true,
forceTaskHostname: true,
wantServer: host,
},
{
desc: "task IP address missing",
task: marathon.Task{
IPAddresses: []*marathon.IPAddress{},
},
addIPAddrPerTask: true,
wantServer: "",
},
{
desc: "single task IP address",
task: marathon.Task{
IPAddresses: []*marathon.IPAddress{
{
IPAddress: "1.1.1.1",
},
},
},
addIPAddrPerTask: true,
wantServer: "1.1.1.1",
},
{
desc: "multiple task IP addresses without index label",
task: marathon.Task{
IPAddresses: []*marathon.IPAddress{
{
IPAddress: "1.1.1.1",
},
{
IPAddress: "2.2.2.2",
},
},
},
addIPAddrPerTask: true,
wantServer: "",
},
{
desc: "multiple task IP addresses with invalid index label",
application: marathon.Application{
Labels: &map[string]string{"traefik.ipAddressIdx": "invalid"},
},
task: marathon.Task{
IPAddresses: []*marathon.IPAddress{
{
IPAddress: "1.1.1.1",
},
{
IPAddress: "2.2.2.2",
},
},
},
addIPAddrPerTask: true,
wantServer: "",
},
{
desc: "multiple task IP addresses with valid index label",
application: marathon.Application{
Labels: &map[string]string{"traefik.ipAddressIdx": "1"},
},
task: marathon.Task{
IPAddresses: []*marathon.IPAddress{
{
IPAddress: "1.1.1.1",
},
{
IPAddress: "2.2.2.2",
},
},
},
addIPAddrPerTask: true,
wantServer: "2.2.2.2",
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
provider := &Provider{ForceTaskHostname: test.forceTaskHostname}
// Populate application.
if test.application.ID == "" {
test.application.ID = appID
}
if test.application.Labels == nil {
test.application.Labels = &map[string]string{}
}
if test.addIPAddrPerTask {
test.application.IPAddressPerTask = &marathon.IPAddressPerTask{
Discovery: &marathon.Discovery{
Ports: &[]marathon.Port{
{
Number: 8000,
Name: "port",
},
},
},
}
}
applications := []marathon.Application{test.application}
// Populate task.
test.task.AppID = appID
test.task.Host = "host"
gotServer := provider.getBackendServer(test.task, applications)
if gotServer != test.wantServer {
t.Errorf("got server '%s', want '%s'", gotServer, test.wantServer)
}
})
}
}
func TestParseIndex(t *testing.T) {
tests := []struct {
idxStr string
length int
shouldSucceed bool
parsed int
}{
{
idxStr: "illegal",
length: 42,
shouldSucceed: false,
},
{
idxStr: "-1",
length: 42,
shouldSucceed: false,
},
{
idxStr: "10",
length: 1,
shouldSucceed: false,
},
{
idxStr: "10",
length: 10,
shouldSucceed: false,
},
{
idxStr: "0",
length: 1,
shouldSucceed: true,
parsed: 0,
},
{
idxStr: "10",
length: 11,
shouldSucceed: true,
parsed: 10,
},
}
for _, test := range tests {
test := test
t.Run(fmt.Sprintf("parseIndex(%s, %d)", test.idxStr, test.length), func(t *testing.T) {
t.Parallel()
parsed, err := parseIndex(test.idxStr, test.length)
if test.shouldSucceed != (err == nil) {
t.Fatalf("got error '%s', want error: %t", err, !test.shouldSucceed)
}
if test.shouldSucceed && parsed != test.parsed {
t.Errorf("got parsed index %d, want %d", parsed, test.parsed)
}
})
}
}