Denis Kirillov
0af06c3bd9
This parameter enables parsing xml body without xmlns="http://s3.amazonaws.com/doc/2006-03-01/" attribute for CompleteMultipartUpload requests Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>
685 lines
18 KiB
Go
685 lines
18 KiB
Go
package main
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import (
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"context"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"net/http"
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"os"
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"os/signal"
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"strconv"
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"sync"
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"syscall"
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"time"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/auth"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/cache"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/handler"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/notifications"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/resolver"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/frostfs"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/version"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/wallet"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/xml"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/metrics"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool"
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"github.com/gorilla/mux"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/spf13/viper"
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"go.uber.org/zap"
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)
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type (
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// App is the main application structure.
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App struct {
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ctr auth.Center
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log *zap.Logger
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cfg *viper.Viper
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pool *pool.Pool
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key *keys.PrivateKey
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nc *notifications.Controller
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obj layer.Client
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api api.Handler
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servers []Server
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metrics *metrics.AppMetrics
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bucketResolver *resolver.BucketResolver
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services []*Service
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settings *appSettings
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maxClients api.MaxClients
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webDone chan struct{}
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wrkDone chan struct{}
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}
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appSettings struct {
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logLevel zap.AtomicLevel
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policies *placementPolicy
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xmlDecoder *xml.DecoderProvider
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}
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Logger struct {
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logger *zap.Logger
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lvl zap.AtomicLevel
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}
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placementPolicy struct {
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mu sync.RWMutex
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defaultPolicy netmap.PlacementPolicy
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regionMap map[string]netmap.PlacementPolicy
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}
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)
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func newApp(ctx context.Context, log *Logger, v *viper.Viper) *App {
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conns, key := getPool(ctx, log.logger, v)
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// prepare auth center
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ctr := auth.New(frostfs.NewAuthmateFrostFS(conns), key, v.GetStringSlice(cfgAllowedAccessKeyIDPrefixes), getAccessBoxCacheConfig(v, log.logger))
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app := &App{
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ctr: ctr,
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log: log.logger,
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cfg: v,
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pool: conns,
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key: key,
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webDone: make(chan struct{}, 1),
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wrkDone: make(chan struct{}, 1),
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maxClients: newMaxClients(v),
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settings: newAppSettings(log, v),
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}
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app.init(ctx)
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return app
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}
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func (a *App) init(ctx context.Context) {
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a.initAPI(ctx)
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a.initMetrics()
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a.initServers(ctx)
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}
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func (a *App) initLayer(ctx context.Context) {
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a.initResolver()
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treeServiceEndpoint := a.cfg.GetString(cfgTreeServiceEndpoint)
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treeService, err := frostfs.NewTreeClient(ctx, treeServiceEndpoint, a.key)
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if err != nil {
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a.log.Fatal("failed to create tree service", zap.Error(err))
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}
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a.log.Info("init tree service", zap.String("endpoint", treeServiceEndpoint))
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// prepare random key for anonymous requests
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randomKey, err := keys.NewPrivateKey()
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if err != nil {
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a.log.Fatal("couldn't generate random key", zap.Error(err))
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}
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layerCfg := &layer.Config{
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Caches: getCacheOptions(a.cfg, a.log),
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AnonKey: layer.AnonymousKey{
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Key: randomKey,
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},
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Resolver: a.bucketResolver,
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TreeService: treeService,
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}
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// prepare object layer
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a.obj = layer.NewLayer(a.log, frostfs.NewFrostFS(a.pool), layerCfg)
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if a.cfg.GetBool(cfgEnableNATS) {
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nopts := getNotificationsOptions(a.cfg, a.log)
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a.nc, err = notifications.NewController(nopts, a.log)
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if err != nil {
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a.log.Fatal("failed to enable notifications", zap.Error(err))
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}
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if err = a.obj.Initialize(ctx, a.nc); err != nil {
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a.log.Fatal("couldn't initialize layer", zap.Error(err))
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}
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}
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}
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func newAppSettings(log *Logger, v *viper.Viper) *appSettings {
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policies, err := newPlacementPolicy(getDefaultPolicyValue(v), v.GetString(cfgPolicyRegionMapFile))
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if err != nil {
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log.logger.Fatal("failed to create new policy mapping", zap.Error(err))
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}
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return &appSettings{
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logLevel: log.lvl,
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policies: policies,
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xmlDecoder: xml.NewDecoderProvider(v.GetBool(cfgKludgeUseDefaultXMLNSForCompleteMultipartUpload)),
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}
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}
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func getDefaultPolicyValue(v *viper.Viper) string {
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defaultPolicyStr := handler.DefaultPolicy
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if v.IsSet(cfgPolicyDefault) {
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defaultPolicyStr = v.GetString(cfgPolicyDefault)
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}
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return defaultPolicyStr
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}
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func (a *App) initAPI(ctx context.Context) {
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a.initLayer(ctx)
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a.initHandler()
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}
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func (a *App) initMetrics() {
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a.metrics = metrics.NewAppMetrics(a.log, frostfs.NewPoolStatistic(a.pool), a.cfg.GetBool(cfgPrometheusEnabled))
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}
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func (a *App) initResolver() {
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var err error
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a.bucketResolver, err = resolver.NewBucketResolver(a.getResolverConfig())
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if err != nil {
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a.log.Fatal("failed to create resolver", zap.Error(err))
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}
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}
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func (a *App) getResolverConfig() ([]string, *resolver.Config) {
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resolveCfg := &resolver.Config{
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FrostFS: frostfs.NewResolverFrostFS(a.pool),
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RPCAddress: a.cfg.GetString(cfgRPCEndpoint),
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}
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order := a.cfg.GetStringSlice(cfgResolveOrder)
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if resolveCfg.RPCAddress == "" {
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order = remove(order, resolver.NNSResolver)
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a.log.Warn(fmt.Sprintf("resolver '%s' won't be used since '%s' isn't provided", resolver.NNSResolver, cfgRPCEndpoint))
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}
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if len(order) == 0 {
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a.log.Info("container resolver will be disabled because of resolvers 'resolver_order' is empty")
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}
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return order, resolveCfg
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}
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func newMaxClients(cfg *viper.Viper) api.MaxClients {
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maxClientsCount := cfg.GetInt(cfgMaxClientsCount)
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if maxClientsCount <= 0 {
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maxClientsCount = defaultMaxClientsCount
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}
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maxClientsDeadline := cfg.GetDuration(cfgMaxClientsDeadline)
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if maxClientsDeadline <= 0 {
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maxClientsDeadline = defaultMaxClientsDeadline
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}
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return api.NewMaxClientsMiddleware(maxClientsCount, maxClientsDeadline)
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}
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func getPool(ctx context.Context, logger *zap.Logger, cfg *viper.Viper) (*pool.Pool, *keys.PrivateKey) {
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var prm pool.InitParameters
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password := wallet.GetPassword(cfg, cfgWalletPassphrase)
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key, err := wallet.GetKeyFromPath(cfg.GetString(cfgWalletPath), cfg.GetString(cfgWalletAddress), password)
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if err != nil {
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logger.Fatal("could not load FrostFS private key", zap.Error(err))
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}
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prm.SetKey(&key.PrivateKey)
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logger.Info("using credentials", zap.String("FrostFS", hex.EncodeToString(key.PublicKey().Bytes())))
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for _, peer := range fetchPeers(logger, cfg) {
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prm.AddNode(peer)
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}
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connTimeout := cfg.GetDuration(cfgConnectTimeout)
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if connTimeout <= 0 {
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connTimeout = defaultConnectTimeout
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}
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prm.SetNodeDialTimeout(connTimeout)
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streamTimeout := cfg.GetDuration(cfgStreamTimeout)
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if streamTimeout <= 0 {
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streamTimeout = defaultStreamTimeout
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}
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prm.SetNodeStreamTimeout(streamTimeout)
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healthCheckTimeout := cfg.GetDuration(cfgHealthcheckTimeout)
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if healthCheckTimeout <= 0 {
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healthCheckTimeout = defaultHealthcheckTimeout
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}
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prm.SetHealthcheckTimeout(healthCheckTimeout)
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rebalanceInterval := cfg.GetDuration(cfgRebalanceInterval)
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if rebalanceInterval <= 0 {
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rebalanceInterval = defaultRebalanceInterval
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}
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prm.SetClientRebalanceInterval(rebalanceInterval)
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errorThreshold := cfg.GetUint32(cfgPoolErrorThreshold)
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if errorThreshold <= 0 {
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errorThreshold = defaultPoolErrorThreshold
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}
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prm.SetErrorThreshold(errorThreshold)
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prm.SetLogger(logger)
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p, err := pool.NewPool(prm)
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if err != nil {
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logger.Fatal("failed to create connection pool", zap.Error(err))
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}
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if err = p.Dial(ctx); err != nil {
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logger.Fatal("failed to dial connection pool", zap.Error(err))
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}
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return p, key
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}
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func newPlacementPolicy(defaultPolicy string, regionPolicyFilepath string) (*placementPolicy, error) {
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policies := &placementPolicy{
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regionMap: make(map[string]netmap.PlacementPolicy),
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}
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return policies, policies.update(defaultPolicy, regionPolicyFilepath)
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}
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func (p *placementPolicy) Default() netmap.PlacementPolicy {
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p.mu.RLock()
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defer p.mu.RUnlock()
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return p.defaultPolicy
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}
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func (p *placementPolicy) Get(name string) (netmap.PlacementPolicy, bool) {
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p.mu.RLock()
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policy, ok := p.regionMap[name]
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p.mu.RUnlock()
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return policy, ok
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}
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func (p *placementPolicy) update(defaultPolicy string, regionPolicyFilepath string) error {
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var defaultPlacementPolicy netmap.PlacementPolicy
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if err := defaultPlacementPolicy.DecodeString(defaultPolicy); err != nil {
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return fmt.Errorf("parse default policy '%s': %w", defaultPolicy, err)
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}
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regionPolicyMap, err := readRegionMap(regionPolicyFilepath)
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if err != nil {
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return fmt.Errorf("read region map file: %w", err)
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}
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regionMap := make(map[string]netmap.PlacementPolicy, len(regionPolicyMap))
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for region, policy := range regionPolicyMap {
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var pp netmap.PlacementPolicy
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if err = pp.DecodeString(policy); err == nil {
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regionMap[region] = pp
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continue
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}
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if err = pp.UnmarshalJSON([]byte(policy)); err == nil {
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regionMap[region] = pp
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continue
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}
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return fmt.Errorf("parse region '%s' to policy mapping: %w", region, err)
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}
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p.mu.Lock()
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p.defaultPolicy = defaultPlacementPolicy
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p.regionMap = regionMap
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p.mu.Unlock()
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return nil
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}
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func remove(list []string, element string) []string {
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for i, item := range list {
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if item == element {
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return append(list[:i], list[i+1:]...)
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}
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}
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return list
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}
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// Wait waits for an application to finish.
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//
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// Pre-logs a message about the launch of the application mentioning its
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// version (version.Version) and its name (frostfs-s3-gw). At the end, it writes
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// about the stop to the log.
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func (a *App) Wait() {
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a.log.Info("application started",
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zap.String("name", "frostfs-s3-gw"),
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zap.String("version", version.Version),
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)
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a.setHealthStatus()
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<-a.webDone // wait for web-server to be stopped
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a.log.Info("application finished")
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}
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func (a *App) setHealthStatus() {
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a.metrics.SetHealth(1)
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}
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// Serve runs HTTP server to handle S3 API requests.
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func (a *App) Serve(ctx context.Context) {
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// Attach S3 API:
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domains := a.cfg.GetStringSlice(cfgListenDomains)
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a.log.Info("fetch domains, prepare to use API", zap.Strings("domains", domains))
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router := mux.NewRouter().SkipClean(true).UseEncodedPath()
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api.Attach(router, domains, a.maxClients, a.api, a.ctr, a.log, a.metrics)
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// Use mux.Router as http.Handler
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srv := new(http.Server)
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srv.Handler = router
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srv.ErrorLog = zap.NewStdLog(a.log)
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a.startServices()
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for i := range a.servers {
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go func(i int) {
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a.log.Info("starting server", zap.String("address", a.servers[i].Address()))
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if err := srv.Serve(a.servers[i].Listener()); err != nil && err != http.ErrServerClosed {
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a.log.Fatal("listen and serve", zap.Error(err))
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}
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}(i)
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}
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, syscall.SIGHUP)
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LOOP:
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for {
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select {
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case <-ctx.Done():
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break LOOP
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case <-sigs:
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a.configReload()
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}
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}
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ctx, cancel := shutdownContext()
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defer cancel()
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a.log.Info("stopping server", zap.Error(srv.Shutdown(ctx)))
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a.metrics.Shutdown()
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a.stopServices()
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close(a.webDone)
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}
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func shutdownContext() (context.Context, context.CancelFunc) {
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return context.WithTimeout(context.Background(), defaultShutdownTimeout)
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}
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func (a *App) configReload() {
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a.log.Info("SIGHUP config reload started")
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if !a.cfg.IsSet(cmdConfig) && !a.cfg.IsSet(cmdConfigDir) {
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a.log.Warn("failed to reload config because it's missed")
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return
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}
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if err := readInConfig(a.cfg); err != nil {
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a.log.Warn("failed to reload config", zap.Error(err))
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return
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}
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if err := a.bucketResolver.UpdateResolvers(a.getResolverConfig()); err != nil {
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a.log.Warn("failed to reload resolvers", zap.Error(err))
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}
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if err := a.updateServers(); err != nil {
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a.log.Warn("failed to reload server parameters", zap.Error(err))
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}
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a.stopServices()
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a.startServices()
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a.updateSettings()
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a.metrics.SetEnabled(a.cfg.GetBool(cfgPrometheusEnabled))
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a.setHealthStatus()
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a.log.Info("SIGHUP config reload completed")
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}
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func (a *App) updateSettings() {
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if lvl, err := getLogLevel(a.cfg); err != nil {
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a.log.Warn("log level won't be updated", zap.Error(err))
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} else {
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a.settings.logLevel.SetLevel(lvl)
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}
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if err := a.settings.policies.update(getDefaultPolicyValue(a.cfg), a.cfg.GetString(cfgPolicyRegionMapFile)); err != nil {
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a.log.Warn("policies won't be updated", zap.Error(err))
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}
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a.settings.xmlDecoder.UseDefaultNamespaceForCompleteMultipart(a.cfg.GetBool(cfgKludgeUseDefaultXMLNSForCompleteMultipartUpload))
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}
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func (a *App) startServices() {
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a.services = a.services[:0]
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pprofService := NewPprofService(a.cfg, a.log)
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a.services = append(a.services, pprofService)
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go pprofService.Start()
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prometheusService := NewPrometheusService(a.cfg, a.log, a.metrics.Handler())
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a.services = append(a.services, prometheusService)
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go prometheusService.Start()
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}
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func (a *App) initServers(ctx context.Context) {
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serversInfo := fetchServers(a.cfg)
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a.servers = make([]Server, 0, len(serversInfo))
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for _, serverInfo := range serversInfo {
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fields := []zap.Field{
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zap.String("address", serverInfo.Address), zap.Bool("tls enabled", serverInfo.TLS.Enabled),
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zap.String("tls cert", serverInfo.TLS.CertFile), zap.String("tls key", serverInfo.TLS.KeyFile),
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}
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srv, err := newServer(ctx, serverInfo)
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if err != nil {
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a.log.Warn("failed to add server", append(fields, zap.Error(err))...)
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continue
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}
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a.servers = append(a.servers, srv)
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a.log.Info("add server", fields...)
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}
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if len(a.servers) == 0 {
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a.log.Fatal("no healthy servers")
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}
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}
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func (a *App) updateServers() error {
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serversInfo := fetchServers(a.cfg)
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var found bool
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for _, serverInfo := range serversInfo {
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index := a.serverIndex(serverInfo.Address)
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if index == -1 {
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continue
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}
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if serverInfo.TLS.Enabled {
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if err := a.servers[index].UpdateCert(serverInfo.TLS.CertFile, serverInfo.TLS.KeyFile); err != nil {
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return fmt.Errorf("failed to update tls certs: %w", err)
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}
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}
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found = true
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}
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|
if !found {
|
|
return fmt.Errorf("invalid servers configuration: no known server found")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (a *App) serverIndex(address string) int {
|
|
for i := range a.servers {
|
|
if a.servers[i].Address() == address {
|
|
return i
|
|
}
|
|
}
|
|
return -1
|
|
}
|
|
|
|
func (a *App) stopServices() {
|
|
ctx, cancel := shutdownContext()
|
|
defer cancel()
|
|
|
|
for _, svc := range a.services {
|
|
svc.ShutDown(ctx)
|
|
}
|
|
}
|
|
|
|
func getNotificationsOptions(v *viper.Viper, l *zap.Logger) *notifications.Options {
|
|
cfg := notifications.Options{}
|
|
cfg.URL = v.GetString(cfgNATSEndpoint)
|
|
cfg.Timeout = v.GetDuration(cfgNATSTimeout)
|
|
if cfg.Timeout <= 0 {
|
|
l.Error("invalid lifetime, using default value (in seconds)",
|
|
zap.String("parameter", cfgNATSTimeout),
|
|
zap.Duration("value in config", cfg.Timeout),
|
|
zap.Duration("default", notifications.DefaultTimeout))
|
|
cfg.Timeout = notifications.DefaultTimeout
|
|
}
|
|
cfg.TLSCertFilepath = v.GetString(cfgNATSTLSCertFile)
|
|
cfg.TLSAuthPrivateKeyFilePath = v.GetString(cfgNATSAuthPrivateKeyFile)
|
|
cfg.RootCAFiles = v.GetStringSlice(cfgNATSRootCAFiles)
|
|
|
|
return &cfg
|
|
}
|
|
|
|
func getCacheOptions(v *viper.Viper, l *zap.Logger) *layer.CachesConfig {
|
|
cacheCfg := layer.DefaultCachesConfigs(l)
|
|
|
|
cacheCfg.Objects.Lifetime = getLifetime(v, l, cfgObjectsCacheLifetime, cacheCfg.Objects.Lifetime)
|
|
cacheCfg.Objects.Size = getSize(v, l, cfgObjectsCacheSize, cacheCfg.Objects.Size)
|
|
|
|
cacheCfg.ObjectsList.Lifetime = getLifetime(v, l, cfgListObjectsCacheLifetime, cacheCfg.ObjectsList.Lifetime)
|
|
cacheCfg.ObjectsList.Size = getSize(v, l, cfgListObjectsCacheSize, cacheCfg.ObjectsList.Size)
|
|
|
|
cacheCfg.Buckets.Lifetime = getLifetime(v, l, cfgBucketsCacheLifetime, cacheCfg.Buckets.Lifetime)
|
|
cacheCfg.Buckets.Size = getSize(v, l, cfgBucketsCacheSize, cacheCfg.Buckets.Size)
|
|
|
|
cacheCfg.Names.Lifetime = getLifetime(v, l, cfgNamesCacheLifetime, cacheCfg.Names.Lifetime)
|
|
cacheCfg.Names.Size = getSize(v, l, cfgNamesCacheSize, cacheCfg.Names.Size)
|
|
|
|
cacheCfg.System.Lifetime = getLifetime(v, l, cfgSystemCacheLifetime, cacheCfg.System.Lifetime)
|
|
cacheCfg.System.Size = getSize(v, l, cfgSystemCacheSize, cacheCfg.System.Size)
|
|
|
|
cacheCfg.AccessControl.Lifetime = getLifetime(v, l, cfgAccessControlCacheLifetime, cacheCfg.AccessControl.Lifetime)
|
|
cacheCfg.AccessControl.Size = getSize(v, l, cfgAccessControlCacheSize, cacheCfg.AccessControl.Size)
|
|
|
|
return cacheCfg
|
|
}
|
|
|
|
func getLifetime(v *viper.Viper, l *zap.Logger, cfgEntry string, defaultValue time.Duration) time.Duration {
|
|
if v.IsSet(cfgEntry) {
|
|
lifetime := v.GetDuration(cfgEntry)
|
|
if lifetime <= 0 {
|
|
l.Error("invalid lifetime, using default value (in seconds)",
|
|
zap.String("parameter", cfgEntry),
|
|
zap.Duration("value in config", lifetime),
|
|
zap.Duration("default", defaultValue))
|
|
} else {
|
|
return lifetime
|
|
}
|
|
}
|
|
return defaultValue
|
|
}
|
|
|
|
func getSize(v *viper.Viper, l *zap.Logger, cfgEntry string, defaultValue int) int {
|
|
if v.IsSet(cfgEntry) {
|
|
size := v.GetInt(cfgEntry)
|
|
if size <= 0 {
|
|
l.Error("invalid cache size, using default value",
|
|
zap.String("parameter", cfgEntry),
|
|
zap.Int("value in config", size),
|
|
zap.Int("default", defaultValue))
|
|
} else {
|
|
return size
|
|
}
|
|
}
|
|
return defaultValue
|
|
}
|
|
|
|
func getAccessBoxCacheConfig(v *viper.Viper, l *zap.Logger) *cache.Config {
|
|
cacheCfg := cache.DefaultAccessBoxConfig(l)
|
|
|
|
cacheCfg.Lifetime = getLifetime(v, l, cfgAccessBoxCacheLifetime, cacheCfg.Lifetime)
|
|
cacheCfg.Size = getSize(v, l, cfgAccessBoxCacheSize, cacheCfg.Size)
|
|
|
|
return cacheCfg
|
|
}
|
|
|
|
func (a *App) initHandler() {
|
|
cfg := &handler.Config{
|
|
Policy: a.settings.policies,
|
|
DefaultMaxAge: handler.DefaultMaxAge,
|
|
NotificatorEnabled: a.cfg.GetBool(cfgEnableNATS),
|
|
CopiesNumber: handler.DefaultCopiesNumber,
|
|
XMLDecoder: a.settings.xmlDecoder,
|
|
}
|
|
|
|
if a.cfg.IsSet(cfgDefaultMaxAge) {
|
|
defaultMaxAge := a.cfg.GetInt(cfgDefaultMaxAge)
|
|
|
|
if defaultMaxAge <= 0 && defaultMaxAge != -1 {
|
|
a.log.Fatal("invalid defaultMaxAge",
|
|
zap.String("parameter", cfgDefaultMaxAge),
|
|
zap.String("value in config", strconv.Itoa(defaultMaxAge)))
|
|
}
|
|
cfg.DefaultMaxAge = defaultMaxAge
|
|
}
|
|
|
|
if val := a.cfg.GetUint32(cfgSetCopiesNumber); val > 0 {
|
|
cfg.CopiesNumber = val
|
|
}
|
|
|
|
cfg.ResolveZoneList = a.cfg.GetStringSlice(cfgResolveBucketAllow)
|
|
cfg.IsResolveListAllow = len(cfg.ResolveZoneList) > 0
|
|
if !cfg.IsResolveListAllow {
|
|
cfg.ResolveZoneList = a.cfg.GetStringSlice(cfgResolveBucketDeny)
|
|
}
|
|
|
|
var err error
|
|
a.api, err = handler.New(a.log, a.obj, a.nc, cfg)
|
|
if err != nil {
|
|
a.log.Fatal("could not initialize API handler", zap.Error(err))
|
|
}
|
|
}
|
|
|
|
func readRegionMap(filePath string) (map[string]string, error) {
|
|
regionMap := make(map[string]string)
|
|
|
|
if filePath == "" {
|
|
return regionMap, nil
|
|
}
|
|
|
|
data, err := os.ReadFile(filePath)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("coudln't read file '%s'", filePath)
|
|
}
|
|
|
|
if err = json.Unmarshal(data, ®ionMap); err != nil {
|
|
return nil, fmt.Errorf("unmarshal policies: %w", err)
|
|
}
|
|
|
|
if _, ok := regionMap[api.DefaultLocationConstraint]; ok {
|
|
return nil, fmt.Errorf("config overrides %s location constraint", api.DefaultLocationConstraint)
|
|
}
|
|
|
|
return regionMap, nil
|
|
}
|