traefik/provider/rancher/rancher_test.go

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package rancher
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import (
"reflect"
"strings"
"testing"
"github.com/containous/traefik/types"
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"github.com/stretchr/testify/assert"
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)
func TestRancherServiceFilter(t *testing.T) {
provider := &Provider{
Domain: "rancher.localhost",
EnableServiceHealthFilter: true,
}
constraint, _ := types.NewConstraint("tag==ch*se")
provider.Constraints = types.Constraints{constraint}
services := []struct {
service rancherData
expected bool
}{
{
service: rancherData{
Labels: map[string]string{
types.LabelEnable: "true",
},
Health: "healthy",
State: "active",
},
expected: false,
},
{
service: rancherData{
Labels: map[string]string{
types.LabelPort: "80",
types.LabelEnable: "false",
},
Health: "healthy",
State: "active",
},
expected: false,
},
{
service: rancherData{
Labels: map[string]string{
types.LabelPort: "80",
types.LabelEnable: "true",
},
Health: "unhealthy",
State: "active",
},
expected: false,
},
{
service: rancherData{
Labels: map[string]string{
types.LabelTags: "not-cheesy",
types.LabelPort: "80",
types.LabelEnable: "true",
},
Health: "healthy",
State: "inactive",
},
expected: false,
},
{
service: rancherData{
Labels: map[string]string{
types.LabelTags: "cheese",
types.LabelPort: "80",
types.LabelEnable: "true",
},
Health: "healthy",
State: "active",
},
expected: true,
},
{
service: rancherData{
Labels: map[string]string{
types.LabelTags: "cheeeeese",
types.LabelPort: "80",
types.LabelEnable: "true",
},
Health: "healthy",
State: "upgraded",
},
expected: true,
},
{
service: rancherData{
Labels: map[string]string{
types.LabelTags: "chose",
types.LabelPort: "80",
types.LabelEnable: "true",
},
Health: "healthy",
State: "active",
},
expected: true,
},
}
for _, e := range services {
actual := provider.serviceFilter(e.service)
if actual != e.expected {
t.Fatalf("expected %t, got %t", e.expected, actual)
}
}
}
func TestRancherContainerFilter(t *testing.T) {
containers := []struct {
name string
healthState string
state string
expected bool
}{
{
healthState: "unhealthy",
state: "running",
expected: false,
},
{
healthState: "healthy",
state: "stopped",
expected: false,
},
{
state: "stopped",
expected: false,
},
{
healthState: "healthy",
state: "running",
expected: true,
},
{
healthState: "updating-healthy",
state: "updating-running",
expected: true,
},
}
for _, container := range containers {
actual := containerFilter(container.name, container.healthState, container.state)
if actual != container.expected {
t.Fatalf("expected %t, got %t", container.expected, actual)
}
}
}
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func TestRancherGetFrontendName(t *testing.T) {
provider := &Provider{
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Domain: "rancher.localhost",
}
services := []struct {
service rancherData
expected string
}{
{
service: rancherData{
Name: "foo",
},
expected: "Host-foo-rancher-localhost",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelFrontendRule: "Headers:User-Agent,bat/0.1.0",
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},
},
expected: "Headers-User-Agent-bat-0-1-0",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelFrontendRule: "Host:foo.bar",
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},
},
expected: "Host-foo-bar",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelFrontendRule: "Path:/test",
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},
},
expected: "Path-test",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelFrontendRule: "PathPrefix:/test2",
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},
},
expected: "PathPrefix-test2",
},
}
for _, e := range services {
actual := provider.getFrontendName(e.service)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestRancherGetFrontendRule(t *testing.T) {
provider := &Provider{
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Domain: "rancher.localhost",
}
services := []struct {
service rancherData
expected string
}{
{
service: rancherData{
Name: "foo",
},
expected: "Host:foo.rancher.localhost",
},
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{
service: rancherData{
Name: "foo/bar",
},
expected: "Host:foo.bar.rancher.localhost",
},
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{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelFrontendRule: "Host:foo.bar.com",
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},
},
expected: "Host:foo.bar.com",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelFrontendRule: "Path:/test",
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},
},
expected: "Path:/test",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelFrontendRule: "PathPrefix:/test2",
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},
},
expected: "PathPrefix:/test2",
},
}
for _, e := range services {
actual := provider.getFrontendRule(e.service)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestRancherGetBackend(t *testing.T) {
provider := &Provider{
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Domain: "rancher.localhost",
}
services := []struct {
service rancherData
expected string
}{
{
service: rancherData{
Name: "test-service",
},
expected: "test-service",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelBackend: "foobar",
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},
},
expected: "foobar",
},
}
for _, e := range services {
actual := provider.getBackend(e.service)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestRancherGetWeight(t *testing.T) {
provider := &Provider{
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Domain: "rancher.localhost",
}
services := []struct {
service rancherData
expected string
}{
{
service: rancherData{
Name: "test-service",
},
expected: "0",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelWeight: "5",
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},
},
expected: "5",
},
}
for _, e := range services {
actual := provider.getWeight(e.service)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestRancherGetPort(t *testing.T) {
provider := &Provider{
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Domain: "rancher.localhost",
}
services := []struct {
service rancherData
expected string
}{
{
service: rancherData{
Name: "test-service",
},
expected: "",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelPort: "1337",
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},
},
expected: "1337",
},
}
for _, e := range services {
actual := provider.getPort(e.service)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestRancherGetDomain(t *testing.T) {
provider := &Provider{
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Domain: "rancher.localhost",
}
services := []struct {
service rancherData
expected string
}{
{
service: rancherData{
Name: "test-service",
},
expected: "rancher.localhost",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelDomain: "foo.bar",
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},
},
expected: "foo.bar",
},
}
for _, e := range services {
actual := provider.getDomain(e.service)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestRancherGetProtocol(t *testing.T) {
provider := &Provider{
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Domain: "rancher.localhost",
}
services := []struct {
service rancherData
expected string
}{
{
service: rancherData{
Name: "test-service",
},
expected: "http",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelProtocol: "https",
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},
},
expected: "https",
},
}
for _, e := range services {
actual := provider.getProtocol(e.service)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestRancherGetPassHostHeader(t *testing.T) {
provider := &Provider{
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Domain: "rancher.localhost",
}
services := []struct {
service rancherData
expected string
}{
{
service: rancherData{
Name: "test-service",
},
expected: "true",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelFrontendPassHostHeader: "false",
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},
},
expected: "false",
},
}
for _, e := range services {
actual := provider.getPassHostHeader(e.service)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestRancherGetLabel(t *testing.T) {
services := []struct {
service rancherData
expected string
}{
{
service: rancherData{
Name: "test-service",
},
expected: "label not found",
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},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
"foo": "bar",
},
},
expected: "",
},
}
for _, e := range services {
label, err := getServiceLabel(e.service, "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 TestRancherLoadRancherConfig(t *testing.T) {
cases := []struct {
services []rancherData
expectedFrontends map[string]*types.Frontend
expectedBackends map[string]*types.Backend
}{
{
services: []rancherData{},
expectedFrontends: map[string]*types.Frontend{},
expectedBackends: map[string]*types.Backend{},
},
{
services: []rancherData{
{
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Name: "test/service",
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Labels: map[string]string{
types.LabelPort: "80",
types.LabelFrontendAuthBasic: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
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},
Health: "healthy",
Containers: []string{"127.0.0.1"},
},
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test-service-rancher-localhost": {
Backend: "backend-test-service",
PassHostHeader: true,
EntryPoints: []string{},
BasicAuth: []string{"test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"},
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Priority: 0,
Routes: map[string]types.Route{
"route-frontend-Host-test-service-rancher-localhost": {
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Rule: "Host:test.service.rancher.localhost",
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},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-test-service": {
Servers: map[string]types.Server{
"server-0": {
URL: "http://127.0.0.1:80",
Weight: 0,
},
},
CircuitBreaker: nil,
},
},
},
}
provider := &Provider{
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Domain: "rancher.localhost",
ExposedByDefault: true,
}
for _, c := range cases {
var rancherDataList []rancherData
rancherDataList = append(rancherDataList, c.services...)
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actualConfig := provider.loadRancherConfig(rancherDataList)
// 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)
}
}
}
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func TestRancherHasStickinessLabel(t *testing.T) {
provider := &Provider{
Domain: "rancher.localhost",
}
testCases := []struct {
desc string
service rancherData
expected bool
}{
{
desc: "no labels",
service: rancherData{
Name: "test-service",
},
expected: false,
},
{
desc: "stickiness=true",
service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelBackendLoadbalancerStickiness: "true",
},
},
expected: true,
},
{
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desc: "stickiness=true",
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service: rancherData{
Name: "test-service",
Labels: map[string]string{
types.LabelBackendLoadbalancerStickiness: "false",
},
},
expected: false,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := provider.hasStickinessLabel(test.service)
assert.Equal(t, actual, test.expected)
})
}
}