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94 lines
2.4 KiB
94 lines
2.4 KiB
package filer
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import (
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/util"
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"os"
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"reflect"
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"strings"
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)
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var (
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Stores []FilerStore
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)
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func (f *Filer) LoadConfiguration(config *util.ViperProxy) (isFresh bool) {
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validateOneEnabledStore(config)
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// load configuration for default filer store
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hasDefaultStoreConfigured := false
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for _, store := range Stores {
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if config.GetBool(store.GetName() + ".enabled") {
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store = reflect.New(reflect.ValueOf(store).Elem().Type()).Interface().(FilerStore)
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if err := store.Initialize(config, store.GetName()+"."); err != nil {
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glog.Fatalf("failed to initialize store for %s: %+v", store.GetName(), err)
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}
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isFresh = f.SetStore(store)
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glog.V(0).Infof("configured filer store to %s", store.GetName())
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hasDefaultStoreConfigured = true
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break
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}
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}
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if !hasDefaultStoreConfigured {
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println()
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println("Supported filer stores are:")
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for _, store := range Stores {
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println(" " + store.GetName())
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}
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os.Exit(-1)
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}
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// load path-specific filer store here
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// f.Store.AddPathSpecificStore(path, store)
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storeNames := make(map[string]FilerStore)
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for _, store := range Stores {
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storeNames[store.GetName()] = store
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}
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allKeys := config.AllKeys()
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for _, key := range allKeys {
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if !strings.HasSuffix(key, ".enabled") {
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continue
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}
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key = key[:len(key)-len(".enabled")]
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if !strings.Contains(key, ".") {
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continue
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}
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parts := strings.Split(key, ".")
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storeName, storeId := parts[0], parts[1]
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store, found := storeNames[storeName]
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if !found {
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continue
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}
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store = reflect.New(reflect.ValueOf(store).Elem().Type()).Interface().(FilerStore)
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if err := store.Initialize(config, key+"."); err != nil {
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glog.Fatalf("Failed to initialize store for %s: %+v", key, err)
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}
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location := config.GetString(key + ".location")
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if location == "" {
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glog.Errorf("path-specific filer store needs %s", key+".location")
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os.Exit(-1)
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}
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f.Store.AddPathSpecificStore(location, storeId, store)
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glog.V(0).Infof("configure filer %s for %s", store.GetName(), location)
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}
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return
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}
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func validateOneEnabledStore(config *util.ViperProxy) {
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enabledStore := ""
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for _, store := range Stores {
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if config.GetBool(store.GetName() + ".enabled") {
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if enabledStore == "" {
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enabledStore = store.GetName()
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} else {
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glog.Fatalf("Filer store is enabled for both %s and %s", enabledStore, store.GetName())
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}
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}
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}
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}
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