forked from TrueCloudLab/frostfs-node
[#835] node: Fix appCfg concurrent access
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>rpc_not_defined
parent
f4877e7b42
commit
61da7dca24
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@ -426,11 +426,26 @@ type dynamicConfiguration struct {
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metrics *httpComponent
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}
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type appConfigGuard struct {
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mtx sync.RWMutex
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}
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func (g *appConfigGuard) LockAppConfigShared() func() {
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g.mtx.RLock()
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return func() { g.mtx.RUnlock() }
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}
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func (g *appConfigGuard) LockAppConfigExclusive() func() {
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g.mtx.Lock()
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return func() { g.mtx.Unlock() }
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}
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type cfg struct {
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applicationConfiguration
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internals
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shared
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dynamicConfiguration
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appConfigGuard
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// configuration of the internal
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// services
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@ -476,6 +491,7 @@ type cfgGRPC struct {
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maxChunkSize uint64
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maxAddrAmount uint64
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reconnectTimeout time.Duration
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}
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func (c *cfgGRPC) append(e string, l net.Listener, s *grpc.Server) {
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@ -1204,7 +1220,7 @@ func (c *cfg) reloadConfig(ctx context.Context) {
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}
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defer c.compareAndSwapHealthStatus(control.HealthStatus_RECONFIGURING, control.HealthStatus_READY)
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err := c.readConfig(c.appCfg)
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err := c.reloadAppConfig()
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if err != nil {
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c.log.Error(logs.FrostFSNodeConfigurationReading, zap.Error(err))
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return
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@ -1271,6 +1287,13 @@ func (c *cfg) reloadConfig(ctx context.Context) {
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c.log.Info(logs.FrostFSNodeConfigurationHasBeenReloadedSuccessfully)
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}
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func (c *cfg) reloadAppConfig() error {
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unlock := c.LockAppConfigExclusive()
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defer unlock()
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return c.readConfig(c.appCfg)
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}
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func (c *cfg) createTombstoneSource() *tombstone.ExpirationChecker {
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var tssPrm tsourse.TombstoneSourcePrm
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tssPrm.SetGetService(c.cfgObject.getSvc)
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@ -49,6 +49,7 @@ func initGRPC(c *cfg) {
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if successCount == 0 {
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fatalOnErr(errors.New("could not listen to any gRPC endpoints"))
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}
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c.cfgGRPC.reconnectTimeout = grpcconfig.ReconnectTimeout(c.appCfg)
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for _, endpoint := range endpointsToReconnect {
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scheduleReconnect(endpoint, c)
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@ -60,29 +61,37 @@ func scheduleReconnect(endpoint string, c *cfg) {
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go func() {
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defer c.wg.Done()
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timeout := grpcconfig.ReconnectTimeout(c.appCfg)
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t := time.NewTicker(timeout)
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t := time.NewTicker(c.cfgGRPC.reconnectTimeout)
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for {
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select {
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case <-t.C:
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if tryReconnect(endpoint, c) {
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return
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}
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case <-c.done:
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return
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}
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}
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}()
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}
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func tryReconnect(endpoint string, c *cfg) bool {
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c.log.Info(logs.FrostFSNodeGRPCReconnecting, zap.String("endpoint", endpoint))
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var success, found bool
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grpcconfig.IterateEndpoints(c.appCfg, func(sc *grpcconfig.Config) {
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if sc.Endpoint() != endpoint {
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return
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serverOpts, found := getGRPCEndpointOpts(endpoint, c)
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if !found {
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c.log.Warn(logs.FrostFSNodeGRPCServerConfigNotFound, zap.String("endpoint", endpoint))
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return true
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}
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found = true
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serverOpts, ok := getGrpcServerOpts(c, sc)
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if !ok {
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return
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}
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lis, err := net.Listen("tcp", sc.Endpoint())
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lis, err := net.Listen("tcp", endpoint)
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if err != nil {
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c.metricsCollector.GrpcServerMetrics().MarkUnhealthy(sc.Endpoint())
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c.metricsCollector.GrpcServerMetrics().MarkUnhealthy(endpoint)
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c.log.Error(logs.FrostFSNodeCantListenGRPCEndpoint, zap.Error(err))
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return
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c.log.Warn(logs.FrostFSNodeGRPCReconnectFailed, zap.Duration("next_try_in", c.cfgGRPC.reconnectTimeout))
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return false
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}
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c.metricsCollector.GrpcServerMetrics().MarkHealthy(sc.Endpoint())
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c.metricsCollector.GrpcServerMetrics().MarkHealthy(endpoint)
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srv := grpc.NewServer(serverOpts...)
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@ -90,24 +99,30 @@ func scheduleReconnect(endpoint string, c *cfg) {
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stopGRPC("FrostFS Public API", srv, c.log)
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})
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c.cfgGRPC.appendAndHandle(sc.Endpoint(), lis, srv)
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success = true
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})
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if !found {
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c.log.Warn(logs.FrostFSNodeGRPCServerConfigNotFound, zap.String("endpoint", endpoint))
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return
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c.cfgGRPC.appendAndHandle(endpoint, lis, srv)
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c.log.Info(logs.FrostFSNodeGRPCReconnectedSuccessfully, zap.String("endpoint", endpoint))
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return true
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}
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if success {
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c.log.Info(logs.FrostFSNodeGRPCReconnectedSuccessfully, zap.String("endpoint", endpoint))
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func getGRPCEndpointOpts(endpoint string, c *cfg) (result []grpc.ServerOption, found bool) {
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unlock := c.LockAppConfigShared()
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defer unlock()
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grpcconfig.IterateEndpoints(c.appCfg, func(sc *grpcconfig.Config) {
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if found {
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return
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}
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c.log.Warn(logs.FrostFSNodeGRPCReconnectFailed, zap.Duration("next_try_in", timeout))
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case <-c.done:
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if sc.Endpoint() != endpoint {
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return
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}
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var ok bool
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result, ok = getGrpcServerOpts(c, sc)
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if !ok {
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return
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}
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}()
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found = true
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})
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return
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}
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func getGrpcServerOpts(c *cfg, sc *grpcconfig.Config) ([]grpc.ServerOption, bool) {
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