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Merge pull request #1120 from SantoDE/feature-rancher-integration

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Feature rancher integration
This commit is contained in:
Emile Vauge 2017-02-06 17:49:38 +01:00 committed by GitHub
parent 28054a0be3 3a875e2954
commit bff654b843
7 changed files with 974 additions and 6 deletions
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11
configuration.go
View file

@ -51,6 +51,7 @@ type GlobalConfiguration struct {
Mesos *provider.Mesos `description:"Enable Mesos backend"`
Eureka *provider.Eureka `description:"Enable Eureka backend"`
ECS *provider.ECS `description:"Enable ECS backend"`
Rancher *provider.Rancher `description:"Enable Rancher backend"`
}
// DefaultEntryPoints holds default entry points
@ -400,6 +401,11 @@ func NewTraefikDefaultPointersConfiguration() *TraefikConfiguration {
defaultECS.Cluster = "default"
defaultECS.Constraints = types.Constraints{}
//default Rancher
var defaultRancher provider.Rancher
defaultRancher.Watch = true
defaultRancher.ExposedByDefault = true
defaultConfiguration := GlobalConfiguration{
Docker: &defaultDocker,
File: &defaultFile,
@ -413,8 +419,13 @@ func NewTraefikDefaultPointersConfiguration() *TraefikConfiguration {
Kubernetes: &defaultKubernetes,
Mesos: &defaultMesos,
ECS: &defaultECS,
Rancher: &defaultRancher,
Retry: &Retry{},
}
//default Rancher
//@TODO: ADD
return &TraefikConfiguration{
GlobalConfiguration: defaultConfiguration,
}

18
glide.lock generated
View file

@ -1,5 +1,5 @@
hash: a0b0abed2162e490cbe75a6a36ebaaf39e748ee80e419e879e7253679a0bc134
updated: 2017-02-05T18:09:09.856588042Z
hash: b2ac93355c3f551a75216a800337cee9321f6c9a04a18ab1fa8d8152e89b7595
updated: 2017-02-05T23:00:24.927243212+01:00
imports:
- name: bitbucket.org/ww/goautoneg
version: 75cd24fc2f2c2a2088577d12123ddee5f54e0675
@ -300,6 +300,8 @@ imports:
version: 44d81051d367757e1c7c6a5a86423ece9afcf63c
- name: github.com/gorilla/context
version: 1ea25387ff6f684839d82767c1733ff4d4d15d0a
- name: github.com/gorilla/websocket
version: c36f2fe5c330f0ac404b616b96c438b8616b1aaf
- name: github.com/hashicorp/consul
version: fce7d75609a04eeb9d4bf41c8dc592aac18fc97d
subpackages:
@ -370,7 +372,7 @@ imports:
- name: github.com/mvdan/xurls
version: fa08908f19eca8c491d68c6bd8b4b44faea6daf8
- name: github.com/NYTimes/gziphandler
version: f6438dbf4a82c56684964b03956aa727b0d7816b
version: 6710af535839f57c687b62c4c23d649f9545d885
- name: github.com/ogier/pflag
version: 45c278ab3607870051a2ea9040bb85fcb8557481
- name: github.com/opencontainers/runc
@ -386,6 +388,8 @@ imports:
- ovh
- name: github.com/pborman/uuid
version: 5007efa264d92316c43112bc573e754bc889b7b1
- name: github.com/pkg/errors
version: 248dadf4e9068a0b3e79f02ed0a610d935de5302
- name: github.com/pmezard/go-difflib
version: d8ed2627bdf02c080bf22230dbb337003b7aba2d
subpackages:
@ -414,6 +418,12 @@ imports:
version: ab4b0d7ff424c462da486aef27f354cdeb29a319
subpackages:
- src/egoscale
- name: github.com/rancher/go-rancher
version: 2c43ff300f3eafcbd7d0b89b10427fc630efdc1e
subpackages:
- client
- name: github.com/rcrowley/go-metrics
version: 1f30fe9094a513ce4c700b9a54458bbb0c96996c
- name: github.com/ryanuber/go-glob
version: 572520ed46dbddaed19ea3d9541bdd0494163693
- name: github.com/samuel/go-zookeeper
@ -739,8 +749,6 @@ testImports:
version: 06479209bdc0d4135911688c18157bd39bd99c22
subpackages:
- specs-go
- name: github.com/pkg/errors
version: 01fa4104b9c248c8945d14d9f128454d5b28d595
- name: github.com/vbatts/tar-split
version: 6810cedb21b2c3d0b9bb8f9af12ff2dc7a2f14df
subpackages:

4
glide.yaml
View file

@ -135,4 +135,6 @@ import:
- package: github.com/gogo/protobuf
version: v0.3
subpackages:
- proto
- proto
- package: github.com/rancher/go-rancher
version: 2c43ff300f3eafcbd7d0b89b10427fc630efdc1e

458
provider/rancher.go Normal file
View file

@ -0,0 +1,458 @@
package provider
import (
"context"
"errors"
"fmt"
"github.com/BurntSushi/ty/fun"
"github.com/cenk/backoff"
"github.com/containous/traefik/job"
"github.com/containous/traefik/log"
"github.com/containous/traefik/safe"
"github.com/containous/traefik/types"
rancher "github.com/rancher/go-rancher/client"
"math"
"strconv"
"strings"
"text/template"
"time"
)
const (
// RancherDefaultWatchTime is the duration of the interval when polling rancher
RancherDefaultWatchTime = 15 * time.Second
)
var _ Provider = (*Rancher)(nil)
// Rancher holds configurations of the Rancher provider.
type Rancher struct {
BaseProvider `mapstructure:",squash"`
Endpoint string `description:"Rancher server HTTP(S) endpoint."`
AccessKey string `description:"Rancher server access key."`
SecretKey string `description:"Rancher server Secret Key."`
ExposedByDefault bool `description:"Expose Services by default"`
Domain string `description:"Default domain used"`
}
type rancherData struct {
Name string
Labels map[string]string // List of labels set to container or service
Containers []string
Health string
}
func (r rancherData) String() string {
return fmt.Sprintf("{name:%s, labels:%v, containers: %v, health: %s}", r.Name, r.Labels, r.Containers, r.Health)
}
// Frontend Labels
func (provider *Rancher) getPassHostHeader(service rancherData) string {
if passHostHeader, err := getServiceLabel(service, "traefik.frontend.passHostHeader"); err == nil {
return passHostHeader
}
return "true"
}
func (provider *Rancher) getPriority(service rancherData) string {
if priority, err := getServiceLabel(service, "traefik.frontend.priority"); err == nil {
return priority
}
return "0"
}
func (provider *Rancher) getEntryPoints(service rancherData) []string {
if entryPoints, err := getServiceLabel(service, "traefik.frontend.entryPoints"); err == nil {
return strings.Split(entryPoints, ",")
}
return []string{}
}
func (provider *Rancher) getFrontendRule(service rancherData) string {
if label, err := getServiceLabel(service, "traefik.frontend.rule"); err == nil {
return label
}
return "Host:" + strings.ToLower(strings.Replace(service.Name, "/", "_", -1)) + "." + provider.Domain
}
func (provider *Rancher) getFrontendName(service rancherData) string {
// Replace '.' with '-' in quoted keys because of this issue https://github.com/BurntSushi/toml/issues/78
return normalize(provider.getFrontendRule(service))
}
// Backend Labels
func (provider *Rancher) getLoadBalancerMethod(service rancherData) string {
if label, err := getServiceLabel(service, "traefik.backend.loadbalancer.method"); err == nil {
return label
}
return "wrr"
}
func (provider *Rancher) hasLoadBalancerLabel(service rancherData) bool {
_, errMethod := getServiceLabel(service, "traefik.backend.loadbalancer.method")
_, errSticky := getServiceLabel(service, "traefik.backend.loadbalancer.sticky")
if errMethod != nil && errSticky != nil {
return false
}
return true
}
func (provider *Rancher) hasCircuitBreakerLabel(service rancherData) bool {
if _, err := getServiceLabel(service, "traefik.backend.circuitbreaker.expression"); err != nil {
return false
}
return true
}
func (provider *Rancher) getCircuitBreakerExpression(service rancherData) string {
if label, err := getServiceLabel(service, "traefik.backend.circuitbreaker.expression"); err == nil {
return label
}
return "NetworkErrorRatio() > 1"
}
func (provider *Rancher) getSticky(service rancherData) string {
if _, err := getServiceLabel(service, "traefik.backend.loadbalancer.sticky"); err == nil {
return "true"
}
return "false"
}
func (provider *Rancher) getBackend(service rancherData) string {
if label, err := getServiceLabel(service, "traefik.backend"); err == nil {
return normalize(label)
}
return normalize(service.Name)
}
// Generall Application Stuff
func (provider *Rancher) getPort(service rancherData) string {
if label, err := getServiceLabel(service, "traefik.port"); err == nil {
return label
}
return ""
}
func (provider *Rancher) getProtocol(service rancherData) string {
if label, err := getServiceLabel(service, "traefik.protocol"); err == nil {
return label
}
return "http"
}
func (provider *Rancher) getWeight(service rancherData) string {
if label, err := getServiceLabel(service, "traefik.weight"); err == nil {
return label
}
return "0"
}
func (provider *Rancher) getDomain(service rancherData) string {
if label, err := getServiceLabel(service, "traefik.domain"); err == nil {
return label
}
return provider.Domain
}
func (provider *Rancher) hasMaxConnLabels(service rancherData) bool {
if _, err := getServiceLabel(service, "traefik.backend.maxconn.amount"); err != nil {
return false
}
if _, err := getServiceLabel(service, "traefik.backend.maxconn.extractorfunc"); err != nil {
return false
}
return true
}
func (provider *Rancher) getMaxConnAmount(service rancherData) int64 {
if label, err := getServiceLabel(service, "traefik.backend.maxconn.amount"); err == nil {
i, errConv := strconv.ParseInt(label, 10, 64)
if errConv != nil {
log.Errorf("Unable to parse traefik.backend.maxconn.amount %s", label)
return math.MaxInt64
}
return i
}
return math.MaxInt64
}
func (provider *Rancher) getMaxConnExtractorFunc(service rancherData) string {
if label, err := getServiceLabel(service, "traefik.backend.maxconn.extractorfunc"); err == nil {
return label
}
return "request.host"
}
func getServiceLabel(service rancherData, label string) (string, error) {
for key, value := range service.Labels {
if key == label {
return value, nil
}
}
return "", errors.New("Label not found:" + label)
}
func (provider *Rancher) createClient() (*rancher.RancherClient, error) {
return rancher.NewRancherClient(&rancher.ClientOpts{
Url: provider.Endpoint,
AccessKey: provider.AccessKey,
SecretKey: provider.SecretKey,
})
}
// Provide allows the provider to provide configurations to traefik
// using the given configuration channel.
func (provider *Rancher) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
safe.Go(func() {
operation := func() error {
rancherClient, err := provider.createClient()
ctx := context.Background()
var environments = listRancherEnvironments(rancherClient)
var services = listRancherServices(rancherClient)
var container = listRancherContainer(rancherClient)
var rancherData = parseRancherData(environments, services, container)
if err != nil {
log.Errorf("Failed to create a client for rancher, error: %s", err)
return err
}
configuration := provider.loadRancherConfig(rancherData)
configurationChan <- types.ConfigMessage{
ProviderName: "rancher",
Configuration: configuration,
}
if provider.Watch {
_, cancel := context.WithCancel(ctx)
ticker := time.NewTicker(RancherDefaultWatchTime)
pool.Go(func(stop chan bool) {
for {
select {
case <-ticker.C:
log.Debugf("Refreshing new Data from Rancher API")
var environments = listRancherEnvironments(rancherClient)
var services = listRancherServices(rancherClient)
var container = listRancherContainer(rancherClient)
rancherData := parseRancherData(environments, services, container)
configuration := provider.loadRancherConfig(rancherData)
if configuration != nil {
configurationChan <- types.ConfigMessage{
ProviderName: "rancher",
Configuration: configuration,
}
}
case <-stop:
ticker.Stop()
cancel()
return
}
}
})
}
return nil
}
notify := func(err error, time time.Duration) {
log.Errorf("Rancher connection error %+v, retrying in %s", err, time)
}
err := backoff.RetryNotify(operation, job.NewBackOff(backoff.NewExponentialBackOff()), notify)
if err != nil {
log.Errorf("Cannot connect to Rancher Endpoint %+v", err)
}
})
return nil
}
func listRancherEnvironments(client *rancher.RancherClient) []*rancher.Environment {
var environmentList = []*rancher.Environment{}
environments, err := client.Environment.List(nil)
if err != nil {
log.Errorf("Cannot get Rancher Environments %+v", err)
}
for k := range environments.Data {
environmentList = append(environmentList, &environments.Data[k])
}
return environmentList
}
func listRancherServices(client *rancher.RancherClient) []*rancher.Service {
var servicesList = []*rancher.Service{}
services, err := client.Service.List(nil)
if err != nil {
log.Errorf("Cannot get Rancher Services %+v", err)
}
for k := range services.Data {
servicesList = append(servicesList, &services.Data[k])
}
return servicesList
}
func listRancherContainer(client *rancher.RancherClient) []*rancher.Container {
containerList := []*rancher.Container{}
container, err := client.Container.List(nil)
log.Debugf("first container len: %i", len(container.Data))
if err != nil {
log.Errorf("Cannot get Rancher Services %+v", err)
}
valid := true
for valid {
for k := range container.Data {
containerList = append(containerList, &container.Data[k])
}
container, err = container.Next()
if err != nil {
break
}
if container == nil || len(container.Data) == 0 {
valid = false
}
}
return containerList
}
func parseRancherData(environments []*rancher.Environment, services []*rancher.Service, containers []*rancher.Container) []rancherData {
var rancherDataList []rancherData
for _, environment := range environments {
for _, service := range services {
if service.EnvironmentId != environment.Id {
continue
}
rancherData := rancherData{
Name: environment.Name + "/" + service.Name,
Health: service.HealthState,
Labels: make(map[string]string),
Containers: []string{},
}
for key, value := range service.LaunchConfig.Labels {
rancherData.Labels[key] = value.(string)
}
for _, container := range containers {
for key, value := range container.Labels {
if key == "io.rancher.stack_service.name" && value == rancherData.Name {
rancherData.Containers = append(rancherData.Containers, container.PrimaryIpAddress)
}
}
}
rancherDataList = append(rancherDataList, rancherData)
}
}
return rancherDataList
}
func (provider *Rancher) loadRancherConfig(services []rancherData) *types.Configuration {
var RancherFuncMap = template.FuncMap{
"getPort": provider.getPort,
"getBackend": provider.getBackend,
"getWeight": provider.getWeight,
"getDomain": provider.getDomain,
"getProtocol": provider.getProtocol,
"getPassHostHeader": provider.getPassHostHeader,
"getPriority": provider.getPriority,
"getEntryPoints": provider.getEntryPoints,
"getFrontendRule": provider.getFrontendRule,
"hasCircuitBreakerLabel": provider.hasCircuitBreakerLabel,
"getCircuitBreakerExpression": provider.getCircuitBreakerExpression,
"hasLoadBalancerLabel": provider.hasLoadBalancerLabel,
"getLoadBalancerMethod": provider.getLoadBalancerMethod,
"hasMaxConnLabels": provider.hasMaxConnLabels,
"getMaxConnAmount": provider.getMaxConnAmount,
"getMaxConnExtractorFunc": provider.getMaxConnExtractorFunc,
"getSticky": provider.getSticky,
}
// filter services
filteredServices := fun.Filter(func(service rancherData) bool {
return provider.serviceFilter(service)
}, services).([]rancherData)
frontends := map[string]rancherData{}
backends := map[string]rancherData{}
for _, service := range filteredServices {
frontendName := provider.getFrontendName(service)
frontends[frontendName] = service
backendName := provider.getBackend(service)
backends[backendName] = service
}
templateObjects := struct {
Frontends map[string]rancherData
Backends map[string]rancherData
Domain string
}{
frontends,
backends,
provider.Domain,
}
configuration, err := provider.getConfiguration("templates/rancher.tmpl", RancherFuncMap, templateObjects)
if err != nil {
log.Error(err)
}
return configuration
}
func (provider *Rancher) serviceFilter(service rancherData) bool {
if service.Labels["traefik.port"] == "" {
log.Debugf("Filtering service %s without traefik.port label", service.Name)
return false
}
if !isServiceEnabled(service, provider.ExposedByDefault) {
log.Debugf("Filtering disabled service %s", service.Name)
return false
}
if service.Health != "" && service.Health != "healthy" {
log.Debugf("Filtering unhealthy or starting service %s", service.Name)
return false
}
return true
}
func isServiceEnabled(service rancherData, exposedByDefault bool) bool {
if service.Labels["traefik.enable"] != "" {
var v = service.Labels["traefik.enable"]
return exposedByDefault && v != "false" || v == "true"
}
return exposedByDefault
}

448
provider/rancher_test.go Normal file
View file

@ -0,0 +1,448 @@
package provider
import (
"github.com/containous/traefik/types"
"reflect"
"strings"
"testing"
)
func TestRancherGetFrontendName(t *testing.T) {
provider := &Rancher{
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{
"traefik.frontend.rule": "Headers:User-Agent,bat/0.1.0",
},
},
expected: "Headers-User-Agent-bat-0-1-0",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
"traefik.frontend.rule": "Host:foo.bar",
},
},
expected: "Host-foo-bar",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
"traefik.frontend.rule": "Path:/test",
},
},
expected: "Path-test",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
"traefik.frontend.rule": "PathPrefix:/test2",
},
},
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 := &Rancher{
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{
"traefik.frontend.rule": "Host:foo.bar.com",
},
},
expected: "Host:foo.bar.com",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
"traefik.frontend.rule": "Path:/test",
},
},
expected: "Path:/test",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
"traefik.frontend.rule": "PathPrefix:/test2",
},
},
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 := &Rancher{
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{
"traefik.backend": "foobar",
},
},
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 := &Rancher{
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{
"traefik.weight": "5",
},
},
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 := &Rancher{
Domain: "rancher.localhost",
}
services := []struct {
service rancherData
expected string
}{
{
service: rancherData{
Name: "test-service",
},
expected: "",
},
{
service: rancherData{
Name: "test-service",
Labels: map[string]string{
"traefik.port": "1337",
},
},
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 := &Rancher{
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{
"traefik.domain": "foo.bar",
},
},
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 := &Rancher{
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{
"traefik.protocol": "https",
},
},
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 := &Rancher{
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{
"traefik.frontend.passHostHeader": "false",
},
},
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",
},
{
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{
{
Name: "test-service",
Labels: map[string]string{
"traefik.port": "80",
},
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{},
Priority: 0,
Routes: map[string]types.Route{
"route-frontend-Host-test-service-rancher-localhost": {
Rule: "Host:test-service.rancher.localhost",
},
},
},
},
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 := &Rancher{
Domain: "rancher.localhost",
ExposedByDefault: true,
}
for _, c := range cases {
var rancherDataList []rancherData
for _, service := range c.services {
rancherDataList = append(rancherDataList, service)
}
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)
}
}
}

3
server.go
View file

@ -377,6 +377,9 @@ func (server *Server) configureProviders() {
if server.globalConfiguration.ECS != nil {
server.providers = append(server.providers, server.globalConfiguration.ECS)
}
if server.globalConfiguration.Rancher != nil {
server.providers = append(server.providers, server.globalConfiguration.Rancher)
}
}
func (server *Server) startProviders() {

38
templates/rancher.tmpl Normal file
View file

@ -0,0 +1,38 @@
{{$backendServers := .Backends}}
[backends]{{range $backendName, $backend := .Backends}}
{{if hasCircuitBreakerLabel $backend}}
[backends.backend-{{$backendName}}.circuitbreaker]
expression = "{{getCircuitBreakerExpression $backend}}"
{{end}}
{{if hasLoadBalancerLabel $backend}}
[backends.backend-{{$backendName}}.loadbalancer]
method = "{{getLoadBalancerMethod $backend}}"
sticky = {{getSticky $backend}}
{{end}}
{{if hasMaxConnLabels $backend}}
[backends.backend-{{$backendName}}.maxconn]
amount = {{getMaxConnAmount $backend}}
extractorfunc = "{{getMaxConnExtractorFunc $backend}}"
{{end}}
{{range $index, $ip := $backend.Containers}}
[backends.backend-{{$backendName}}.servers.server-{{$index}}]
url = "{{getProtocol $backend}}://{{$ip}}:{{getPort $backend}}"
weight = {{getWeight $backend}}
{{end}}
{{end}}
[frontends]{{range $frontendName, $service := .Frontends}}
[frontends."frontend-{{$frontendName}}"]
backend = "backend-{{getBackend $service}}"
passHostHeader = {{getPassHostHeader $service}}
priority = {{getPriority $service}}
entryPoints = [{{range getEntryPoints $service}}
"{{.}}",
{{end}}]
[frontends."frontend-{{$frontendName}}".routes."route-frontend-{{$frontendName}}"]
rule = "{{getFrontendRule $service}}"
{{end}}