traefik/cmd/traefik/storeconfig.go
2017-12-05 19:40:04 +01:00

131 lines
3.5 KiB
Go

package main
import (
"encoding/json"
"fmt"
stdlog "log"
"github.com/containous/flaeg"
"github.com/containous/staert"
"github.com/containous/traefik/acme"
"github.com/containous/traefik/cluster"
"github.com/docker/libkv/store"
)
func newStoreConfigCmd(traefikConfiguration *TraefikConfiguration, traefikPointersConfiguration *TraefikConfiguration) *flaeg.Command {
return &flaeg.Command{
Name: "storeconfig",
Description: `Store the static traefik configuration into a Key-value stores. Traefik will not start.`,
Config: traefikConfiguration,
DefaultPointersConfig: traefikPointersConfiguration,
Metadata: map[string]string{
"parseAllSources": "true",
},
}
}
func runStoreConfig(kv *staert.KvSource, traefikConfiguration *TraefikConfiguration) func() error {
return func() error {
if kv == nil {
return fmt.Errorf("error using command storeconfig, no Key-value store defined")
}
fileConfig := traefikConfiguration.GlobalConfiguration.File
if fileConfig != nil {
traefikConfiguration.GlobalConfiguration.File = nil
if len(fileConfig.Filename) == 0 && len(fileConfig.Directory) == 0 {
fileConfig.Filename = traefikConfiguration.ConfigFile
}
}
jsonConf, err := json.Marshal(traefikConfiguration.GlobalConfiguration)
if err != nil {
return err
}
stdlog.Printf("Storing configuration: %s\n", jsonConf)
err = kv.StoreConfig(traefikConfiguration.GlobalConfiguration)
if err != nil {
return err
}
if fileConfig != nil {
jsonConf, err = json.Marshal(fileConfig)
if err != nil {
return err
}
stdlog.Printf("Storing file configuration: %s\n", jsonConf)
config, err := fileConfig.BuildConfiguration()
if err != nil {
return err
}
stdlog.Print("Writing config to KV")
err = kv.StoreConfig(config)
if err != nil {
return err
}
}
if traefikConfiguration.GlobalConfiguration.ACME != nil && len(traefikConfiguration.GlobalConfiguration.ACME.StorageFile) > 0 {
// convert ACME json file to KV store
localStore := acme.NewLocalStore(traefikConfiguration.GlobalConfiguration.ACME.StorageFile)
object, err := localStore.Load()
if err != nil {
return err
}
meta := cluster.NewMetadata(object)
err = meta.Marshall()
if err != nil {
return err
}
source := staert.KvSource{
Store: kv,
Prefix: traefikConfiguration.GlobalConfiguration.ACME.Storage,
}
err = source.StoreConfig(meta)
if err != nil {
return err
}
}
return nil
}
}
// createKvSource creates KvSource
// TLS support is enable for Consul and Etcd backends
func createKvSource(traefikConfiguration *TraefikConfiguration) (*staert.KvSource, error) {
var kv *staert.KvSource
var kvStore store.Store
var err error
switch {
case traefikConfiguration.Consul != nil:
kvStore, err = traefikConfiguration.Consul.CreateStore()
kv = &staert.KvSource{
Store: kvStore,
Prefix: traefikConfiguration.Consul.Prefix,
}
case traefikConfiguration.Etcd != nil:
kvStore, err = traefikConfiguration.Etcd.CreateStore()
kv = &staert.KvSource{
Store: kvStore,
Prefix: traefikConfiguration.Etcd.Prefix,
}
case traefikConfiguration.Zookeeper != nil:
kvStore, err = traefikConfiguration.Zookeeper.CreateStore()
kv = &staert.KvSource{
Store: kvStore,
Prefix: traefikConfiguration.Zookeeper.Prefix,
}
case traefikConfiguration.Boltdb != nil:
kvStore, err = traefikConfiguration.Boltdb.CreateStore()
kv = &staert.KvSource{
Store: kvStore,
Prefix: traefikConfiguration.Boltdb.Prefix,
}
}
return kv, err
}