homelab/traefik
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Negroni middlewares

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This commit is contained in:
emile 2015-09-12 15:10:03 +02:00
parent d209467b5a
commit 36847f671f
8 changed files with 139 additions and 120 deletions
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45
marathon.go
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@ -1,13 +1,14 @@
package main
import (
"github.com/gambol99/go-marathon"
"github.com/leekchan/gtf"
"bytes"
"github.com/BurntSushi/toml"
"text/template"
"strings"
"strconv"
"github.com/BurntSushi/ty/fun"
"github.com/gambol99/go-marathon"
"github.com/leekchan/gtf"
"strconv"
"strings"
"text/template"
)
type MarathonProvider struct {
@ -38,7 +39,7 @@ var MarathonFuncMap = template.FuncMap{
},
"getHost": func(application marathon.Application) string {
for key, value := range application.Labels {
if (key == "traefik.host") {
if key == "traefik.host" {
return value
}
}
@ -46,7 +47,7 @@ var MarathonFuncMap = template.FuncMap{
},
"getWeight": func(application marathon.Application) string {
for key, value := range application.Labels {
if (key == "traefik.weight") {
if key == "traefik.weight" {
return value
}
}
@ -57,7 +58,7 @@ var MarathonFuncMap = template.FuncMap{
},
}
func (provider *MarathonProvider) Provide(configurationChan chan <- *Configuration) {
func (provider *MarathonProvider) Provide(configurationChan chan<- *Configuration) {
config := marathon.NewDefaultConfig()
config.URL = provider.Endpoint
config.EventsInterface = provider.NetworkInterface
@ -67,7 +68,7 @@ func (provider *MarathonProvider) Provide(configurationChan chan <- *Configurati
} else {
provider.marathonClient = client
update := make(marathon.EventsChannel, 5)
if (provider.Watch) {
if provider.Watch {
if err := client.AddEventsListener(update, marathon.EVENTS_APPLICATIONS); err != nil {
log.Error("Failed to register for subscriptions, %s", err)
} else {
@ -76,7 +77,7 @@ func (provider *MarathonProvider) Provide(configurationChan chan <- *Configurati
event := <-update
log.Debug("Marathon event receveived", event)
configuration := provider.loadMarathonConfig()
if (configuration != nil) {
if configuration != nil {
configurationChan <- configuration
}
}
@ -93,30 +94,30 @@ func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
configuration := new(Configuration)
applications, err := provider.marathonClient.Applications(nil)
if (err != nil) {
if err != nil {
log.Error("Failed to create a client for marathon, error: %s", err)
return nil
}
tasks, err := provider.marathonClient.AllTasks()
if (err != nil) {
if err != nil {
log.Error("Failed to create a client for marathon, error: %s", err)
return nil
}
//filter tasks
filteredTasks := fun.Filter(func(task marathon.Task) bool {
if (len(task.Ports) == 0) {
if len(task.Ports) == 0 {
log.Debug("Filtering marathon task without port", task.AppID)
return false
}
application := getApplication(task, applications.Apps)
_, err := strconv.Atoi(application.Labels["traefik.port"])
if (len(application.Ports) > 1 && err != nil) {
if len(application.Ports) > 1 && err != nil {
log.Debug("Filtering marathon task with more than 1 port and no traefik.port label", task.AppID)
return false
}
if (application.Labels["traefik.enable"] == "false") {
if application.Labels["traefik.enable"] == "false" {
log.Debug("Filtering disabled marathon task", task.AppID)
return false
}
@ -126,12 +127,12 @@ func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
//filter apps
filteredApps := fun.Filter(func(app marathon.Application) bool {
//get ports from app tasks
if (!fun.Exists(func(task marathon.Task) bool {
if (task.AppID == app.ID) {
if !fun.Exists(func(task marathon.Task) bool {
if task.AppID == app.ID {
return true
}
return false
}, filteredTasks)) {
}, filteredTasks) {
return false
}
return true
@ -149,13 +150,13 @@ func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
gtf.Inject(MarathonFuncMap)
tmpl := template.New(provider.Filename).Funcs(DockerFuncMap)
if(len(provider.Filename) > 0){
if len(provider.Filename) > 0 {
_, err := tmpl.ParseFiles(provider.Filename)
if err != nil {
log.Error("Error reading file", err)
return nil
}
}else{
} else {
buf, err := Asset("providerTemplates/marathon.tmpl")
if err != nil {
log.Error("Error reading file", err)
@ -185,9 +186,9 @@ func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
func getApplication(task marathon.Task, apps []marathon.Application) *marathon.Application {
for _, application := range apps {
if (application.ID == task.AppID) {
if application.ID == task.AppID {
return &application
}
}
return nil
}
}