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refactor(eureka): rewrite configuration system.

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This commit is contained in:
Fernandez Ludovic 2017-12-02 19:28:38 +01:00 • committed by Traefiker
parent 04dd63da1c
commit 5f71a43758
3 changed files with 81 additions and 83 deletions
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68
provider/eureka/eureka.go
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@ -1,13 +1,8 @@
package eureka
import (
"io/ioutil"
"strconv"
"strings"
"text/template"
"time"
"github.com/ArthurHlt/go-eureka-client/eureka"
"github.com/cenk/backoff"
"github.com/containous/traefik/job"
"github.com/containous/traefik/log"
@ -55,7 +50,7 @@ func (p *Provider) Provide(configurationChan chan<- types.ConfigMessage, pool *s
safe.Go(func() {
for t := range ticker.C {
log.Debug("Refreshing Provider " + t.String())
log.Debugf("Refreshing Provider %s", t.String())
configuration, err := p.buildConfiguration()
if err != nil {
@ -82,64 +77,3 @@ func (p *Provider) Provide(configurationChan chan<- types.ConfigMessage, pool *s
}
return nil
}
// Build the configuration from Provider server
func (p *Provider) buildConfiguration() (*types.Configuration, error) {
var EurekaFuncMap = template.FuncMap{
"getPort": p.getPort,
"getProtocol": p.getProtocol,
"getWeight": p.getWeight,
"getInstanceID": p.getInstanceID,
}
eureka.GetLogger().SetOutput(ioutil.Discard)
client := eureka.NewClient([]string{
p.Endpoint,
})
applications, err := client.GetApplications()
if err != nil {
return nil, err
}
templateObjects := struct {
Applications []eureka.Application
}{
applications.Applications,
}
configuration, err := p.GetConfiguration("templates/eureka.tmpl", EurekaFuncMap, templateObjects)
if err != nil {
log.Error(err)
}
return configuration, nil
}
func (p *Provider) getPort(instance eureka.InstanceInfo) string {
if instance.SecurePort.Enabled {
return strconv.Itoa(instance.SecurePort.Port)
}
return strconv.Itoa(instance.Port.Port)
}
func (p *Provider) getProtocol(instance eureka.InstanceInfo) string {
if instance.SecurePort.Enabled {
return "https"
}
return "http"
}
func (p *Provider) getWeight(instance eureka.InstanceInfo) string {
if val, ok := instance.Metadata.Map[types.LabelWeight]; ok {
return val
}
return "0"
}
func (p *Provider) getInstanceID(instance eureka.InstanceInfo) string {
if val, ok := instance.Metadata.Map[types.LabelBackendID]; ok {
return val
}
return strings.Replace(instance.IpAddr, ".", "-", -1) + "-" + p.getPort(instance)
}