homelab/traefik
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This commit is contained in:
emile 2015-09-11 16:37:13 +02:00
parent ee13d570d8
commit 85e1af878a
8 changed files with 288 additions and 47 deletions
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24
marathon.go
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@ -1,7 +1,6 @@
package main
import (
"github.com/gambol99/go-marathon"
"log"
"github.com/leekchan/gtf"
"bytes"
"github.com/BurntSushi/toml"
@ -47,24 +46,25 @@ var MarathonFuncMap = template.FuncMap{
return strings.Replace(s3, s1, s2, -1)
},
}
func (provider *MarathonProvider) Provide(configurationChan chan <- *Configuration) {
config := marathon.NewDefaultConfig()
config.URL = provider.Endpoint
config.EventsInterface = provider.NetworkInterface
if client, err := marathon.NewClient(config); err != nil {
log.Println("Failed to create a client for marathon, error: %s", err)
log.Error("Failed to create a client for marathon, error: %s", err)
return
} else {
provider.marathonClient = client
update := make(marathon.EventsChannel, 5)
if (provider.Watch) {
if err := client.AddEventsListener(update, marathon.EVENTS_APPLICATIONS); err != nil {
log.Println("Failed to register for subscriptions, %s", err)
log.Error("Failed to register for subscriptions, %s", err)
} else {
go func() {
for {
event := <-update
log.Println("Marathon event receveived", event)
log.Debug("Marathon event receveived", event)
configuration := provider.loadMarathonConfig()
if (configuration != nil) {
configurationChan <- configuration
@ -84,30 +84,30 @@ func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
applications, err := provider.marathonClient.Applications(nil)
if (err != nil) {
log.Println("Failed to create a client for marathon, error: %s", err)
log.Error("Failed to create a client for marathon, error: %s", err)
return nil
}
tasks, err := provider.marathonClient.AllTasks()
if (err != nil) {
log.Println("Failed to create a client for marathon, error: %s", err)
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) {
log.Println("Filtering marathon task without port", task.AppID)
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) {
log.Println("Filtering marathon task with more than 1 port and no traefik.port label", task.AppID)
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") {
log.Println("Filtering disabled marathon task", task.AppID)
log.Debug("Filtering disabled marathon task", task.AppID)
return false
}
return true
@ -140,7 +140,7 @@ func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
gtf.Inject(MarathonFuncMap)
tmpl, err := template.New(provider.Filename).Funcs(MarathonFuncMap).ParseFiles(provider.Filename)
if err != nil {
log.Println("Error reading file:", err)
log.Error("Error reading file:", err)
return nil
}
@ -148,12 +148,12 @@ func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
err = tmpl.Execute(&buffer, templateObjects)
if err != nil {
log.Println("Error with docker template:", err)
log.Error("Error with docker template:", err)
return nil
}
if _, err := toml.Decode(buffer.String(), configuration); err != nil {
log.Println("Error creating marathon configuration:", err)
log.Error("Error creating marathon configuration:", err)
return nil
}