Merge pull request #4320 from guggero/refactor-log-writer
config+log: remove global RootLogWriter variable
This commit is contained in:
Conner Fromknecht
GitHub
commit
3faf8bad3f
18
config.go
18
config.go
@ -250,6 +250,10 @@ type Config struct {
|
||||
|
||||
DB *lncfg.DB `group:"db" namespace:"db"`
|
||||
|
||||
// LogWriter is the root logger that all of the daemon's subloggers are
|
||||
// hooked up to.
|
||||
LogWriter *build.RotatingLogWriter
|
||||
|
||||
// registeredChains keeps track of all chains that have been registered
|
||||
// with the daemon.
|
||||
registeredChains *chainRegistry
|
||||
@ -360,6 +364,7 @@ func DefaultConfig() Config {
|
||||
},
|
||||
MaxOutgoingCltvExpiry: htlcswitch.DefaultMaxOutgoingCltvExpiry,
|
||||
MaxChannelFeeAllocation: htlcswitch.DefaultMaxLinkFeeAllocation,
|
||||
LogWriter: build.NewRotatingLogWriter(),
|
||||
DB: lncfg.DefaultDB(),
|
||||
registeredChains: newChainRegistry(),
|
||||
}
|
||||
@ -928,15 +933,22 @@ func ValidateConfig(cfg Config, usageMessage string) (*Config, error) {
|
||||
cfg.registeredChains.PrimaryChain().String(),
|
||||
normalizeNetwork(activeNetParams.Name))
|
||||
|
||||
// A log writer must be passed in, otherwise we can't function and would
|
||||
// run into a panic later on.
|
||||
if cfg.LogWriter == nil {
|
||||
return nil, fmt.Errorf("log writer missing in config")
|
||||
}
|
||||
|
||||
// Special show command to list supported subsystems and exit.
|
||||
if cfg.DebugLevel == "show" {
|
||||
fmt.Println("Supported subsystems",
|
||||
RootLogWriter.SupportedSubsystems())
|
||||
cfg.LogWriter.SupportedSubsystems())
|
||||
os.Exit(0)
|
||||
}
|
||||
|
||||
// Initialize logging at the default logging level.
|
||||
err = RootLogWriter.InitLogRotator(
|
||||
SetupLoggers(cfg.LogWriter)
|
||||
err = cfg.LogWriter.InitLogRotator(
|
||||
filepath.Join(cfg.LogDir, defaultLogFilename),
|
||||
cfg.MaxLogFileSize, cfg.MaxLogFiles,
|
||||
)
|
||||
@ -948,7 +960,7 @@ func ValidateConfig(cfg Config, usageMessage string) (*Config, error) {
|
||||
}
|
||||
|
||||
// Parse, validate, and set debug log level(s).
|
||||
err = build.ParseAndSetDebugLevels(cfg.DebugLevel, RootLogWriter)
|
||||
err = build.ParseAndSetDebugLevels(cfg.DebugLevel, cfg.LogWriter)
|
||||
if err != nil {
|
||||
err = fmt.Errorf("%s: %v", funcName, err.Error())
|
||||
_, _ = fmt.Fprintln(os.Stderr, err)
|
||||
|
||||
2
lnd.go
2
lnd.go
@ -190,7 +190,7 @@ type rpcListeners func() ([]*ListenerWithSignal, func(), error)
|
||||
func Main(cfg *Config, lisCfg ListenerCfg, shutdownChan <-chan struct{}) error {
|
||||
defer func() {
|
||||
ltndLog.Info("Shutdown complete")
|
||||
err := RootLogWriter.Close()
|
||||
err := cfg.LogWriter.Close()
|
||||
if err != nil {
|
||||
ltndLog.Errorf("Could not close log rotator: %v", err)
|
||||
}
|
||||
|
||||
161
log.go
161
log.go
@ -39,89 +39,112 @@ import (
|
||||
"google.golang.org/grpc"
|
||||
)
|
||||
|
||||
// Loggers per subsystem. A single backend logger is created and all subsystem
|
||||
// loggers created from it will write to the backend. When adding new
|
||||
// subsystems, add the subsystem logger variable here and to the
|
||||
// subsystemLoggers map.
|
||||
//
|
||||
// replaceableLogger is a thin wrapper around a logger that is used so the
|
||||
// logger can be replaced easily without some black pointer magic.
|
||||
type replaceableLogger struct {
|
||||
btclog.Logger
|
||||
subsystem string
|
||||
}
|
||||
|
||||
// Loggers can not be used before the log rotator has been initialized with a
|
||||
// log file. This must be performed early during application startup by
|
||||
// calling RootLogWriter.InitLogRotator.
|
||||
// log file. This must be performed early during application startup by
|
||||
// calling InitLogRotator() on the main log writer instance in the config.
|
||||
var (
|
||||
// RootLogWriter is the main parent log writer all sub loggers should be
|
||||
// appended to.
|
||||
RootLogWriter = build.NewRotatingLogWriter()
|
||||
// lndPkgLoggers is a list of all lnd package level loggers that are
|
||||
// registered. They are tracked here so they can be replaced once the
|
||||
// SetupLoggers function is called with the final root logger.
|
||||
lndPkgLoggers []*replaceableLogger
|
||||
|
||||
// addLndPkgLogger is a helper function that creates a new replaceable
|
||||
// main lnd package level logger and adds it to the list of loggers that
|
||||
// are replaced again later, once the final root logger is ready.
|
||||
addLndPkgLogger = func(subsystem string) *replaceableLogger {
|
||||
l := &replaceableLogger{
|
||||
Logger: build.NewSubLogger(subsystem, nil),
|
||||
subsystem: subsystem,
|
||||
}
|
||||
lndPkgLoggers = append(lndPkgLoggers, l)
|
||||
return l
|
||||
}
|
||||
|
||||
// Loggers that need to be accessible from the lnd package can be placed
|
||||
// here. Loggers that are only used in sub modules can be added directly
|
||||
// by using the addSubLogger method.
|
||||
ltndLog = build.NewSubLogger("LTND", RootLogWriter.GenSubLogger)
|
||||
peerLog = build.NewSubLogger("PEER", RootLogWriter.GenSubLogger)
|
||||
rpcsLog = build.NewSubLogger("RPCS", RootLogWriter.GenSubLogger)
|
||||
srvrLog = build.NewSubLogger("SRVR", RootLogWriter.GenSubLogger)
|
||||
fndgLog = build.NewSubLogger("FNDG", RootLogWriter.GenSubLogger)
|
||||
utxnLog = build.NewSubLogger("UTXN", RootLogWriter.GenSubLogger)
|
||||
brarLog = build.NewSubLogger("BRAR", RootLogWriter.GenSubLogger)
|
||||
atplLog = build.NewSubLogger("ATPL", RootLogWriter.GenSubLogger)
|
||||
// by using the addSubLogger method. We declare all loggers so we never
|
||||
// run into a nil reference if they are used early. But the SetupLoggers
|
||||
// function should always be called as soon as possible to finish
|
||||
// setting them up properly with a root logger.
|
||||
ltndLog = addLndPkgLogger("LTND")
|
||||
peerLog = addLndPkgLogger("PEER")
|
||||
rpcsLog = addLndPkgLogger("RPCS")
|
||||
srvrLog = addLndPkgLogger("SRVR")
|
||||
fndgLog = addLndPkgLogger("FNDG")
|
||||
utxnLog = addLndPkgLogger("UTXN")
|
||||
brarLog = addLndPkgLogger("BRAR")
|
||||
atplLog = addLndPkgLogger("ATPL")
|
||||
)
|
||||
|
||||
// Initialize package-global logger variables.
|
||||
func init() {
|
||||
setSubLogger("LTND", ltndLog, signal.UseLogger)
|
||||
setSubLogger("ATPL", atplLog, autopilot.UseLogger)
|
||||
setSubLogger("PEER", peerLog)
|
||||
setSubLogger("RPCS", rpcsLog)
|
||||
setSubLogger("SRVR", srvrLog)
|
||||
setSubLogger("FNDG", fndgLog)
|
||||
setSubLogger("UTXN", utxnLog)
|
||||
setSubLogger("BRAR", brarLog)
|
||||
// SetupLoggers initializes all package-global logger variables.
|
||||
func SetupLoggers(root *build.RotatingLogWriter) {
|
||||
// Now that we have the proper root logger, we can replace the
|
||||
// placeholder lnd package loggers.
|
||||
for _, l := range lndPkgLoggers {
|
||||
l.Logger = build.NewSubLogger(l.subsystem, root.GenSubLogger)
|
||||
SetSubLogger(root, l.subsystem, l.Logger)
|
||||
}
|
||||
|
||||
addSubLogger("LNWL", lnwallet.UseLogger)
|
||||
addSubLogger("DISC", discovery.UseLogger)
|
||||
addSubLogger("NTFN", chainntnfs.UseLogger)
|
||||
addSubLogger("CHDB", channeldb.UseLogger)
|
||||
addSubLogger("HSWC", htlcswitch.UseLogger)
|
||||
addSubLogger("CMGR", connmgr.UseLogger)
|
||||
addSubLogger("BTCN", neutrino.UseLogger)
|
||||
addSubLogger("CNCT", contractcourt.UseLogger)
|
||||
addSubLogger("SPHX", sphinx.UseLogger)
|
||||
addSubLogger("SWPR", sweep.UseLogger)
|
||||
addSubLogger("SGNR", signrpc.UseLogger)
|
||||
addSubLogger("WLKT", walletrpc.UseLogger)
|
||||
addSubLogger("ARPC", autopilotrpc.UseLogger)
|
||||
addSubLogger("INVC", invoices.UseLogger)
|
||||
addSubLogger("NANN", netann.UseLogger)
|
||||
addSubLogger("WTWR", watchtower.UseLogger)
|
||||
addSubLogger("NTFR", chainrpc.UseLogger)
|
||||
addSubLogger("IRPC", invoicesrpc.UseLogger)
|
||||
addSubLogger("CHNF", channelnotifier.UseLogger)
|
||||
addSubLogger("CHBU", chanbackup.UseLogger)
|
||||
addSubLogger("PROM", monitoring.UseLogger)
|
||||
addSubLogger("WTCL", wtclient.UseLogger)
|
||||
addSubLogger("PRNF", peernotifier.UseLogger)
|
||||
addSubLogger("CHFD", chanfunding.UseLogger)
|
||||
// Some of the loggers declared in the main lnd package are also used
|
||||
// in sub packages.
|
||||
signal.UseLogger(ltndLog)
|
||||
autopilot.UseLogger(atplLog)
|
||||
|
||||
addSubLogger(routing.Subsystem, routing.UseLogger, localchans.UseLogger)
|
||||
addSubLogger(routerrpc.Subsystem, routerrpc.UseLogger)
|
||||
addSubLogger(chanfitness.Subsystem, chanfitness.UseLogger)
|
||||
addSubLogger(verrpc.Subsystem, verrpc.UseLogger)
|
||||
AddSubLogger(root, "LNWL", lnwallet.UseLogger)
|
||||
AddSubLogger(root, "DISC", discovery.UseLogger)
|
||||
AddSubLogger(root, "NTFN", chainntnfs.UseLogger)
|
||||
AddSubLogger(root, "CHDB", channeldb.UseLogger)
|
||||
AddSubLogger(root, "HSWC", htlcswitch.UseLogger)
|
||||
AddSubLogger(root, "CMGR", connmgr.UseLogger)
|
||||
AddSubLogger(root, "BTCN", neutrino.UseLogger)
|
||||
AddSubLogger(root, "CNCT", contractcourt.UseLogger)
|
||||
AddSubLogger(root, "SPHX", sphinx.UseLogger)
|
||||
AddSubLogger(root, "SWPR", sweep.UseLogger)
|
||||
AddSubLogger(root, "SGNR", signrpc.UseLogger)
|
||||
AddSubLogger(root, "WLKT", walletrpc.UseLogger)
|
||||
AddSubLogger(root, "ARPC", autopilotrpc.UseLogger)
|
||||
AddSubLogger(root, "INVC", invoices.UseLogger)
|
||||
AddSubLogger(root, "NANN", netann.UseLogger)
|
||||
AddSubLogger(root, "WTWR", watchtower.UseLogger)
|
||||
AddSubLogger(root, "NTFR", chainrpc.UseLogger)
|
||||
AddSubLogger(root, "IRPC", invoicesrpc.UseLogger)
|
||||
AddSubLogger(root, "CHNF", channelnotifier.UseLogger)
|
||||
AddSubLogger(root, "CHBU", chanbackup.UseLogger)
|
||||
AddSubLogger(root, "PROM", monitoring.UseLogger)
|
||||
AddSubLogger(root, "WTCL", wtclient.UseLogger)
|
||||
AddSubLogger(root, "PRNF", peernotifier.UseLogger)
|
||||
AddSubLogger(root, "CHFD", chanfunding.UseLogger)
|
||||
|
||||
AddSubLogger(root, routing.Subsystem, routing.UseLogger, localchans.UseLogger)
|
||||
AddSubLogger(root, routerrpc.Subsystem, routerrpc.UseLogger)
|
||||
AddSubLogger(root, chanfitness.Subsystem, chanfitness.UseLogger)
|
||||
AddSubLogger(root, verrpc.Subsystem, verrpc.UseLogger)
|
||||
}
|
||||
|
||||
// addSubLogger is a helper method to conveniently create and register the
|
||||
// AddSubLogger is a helper method to conveniently create and register the
|
||||
// logger of one or more sub systems.
|
||||
func addSubLogger(subsystem string, useLoggers ...func(btclog.Logger)) {
|
||||
// Create and register just a single logger to prevent them from
|
||||
// overwriting each other internally.
|
||||
logger := build.NewSubLogger(subsystem, RootLogWriter.GenSubLogger)
|
||||
setSubLogger(subsystem, logger, useLoggers...)
|
||||
}
|
||||
|
||||
// setSubLogger is a helper method to conveniently register the logger of a sub
|
||||
// system.
|
||||
func setSubLogger(subsystem string, logger btclog.Logger,
|
||||
func AddSubLogger(root *build.RotatingLogWriter, subsystem string,
|
||||
useLoggers ...func(btclog.Logger)) {
|
||||
|
||||
RootLogWriter.RegisterSubLogger(subsystem, logger)
|
||||
// Create and register just a single logger to prevent them from
|
||||
// overwriting each other internally.
|
||||
logger := build.NewSubLogger(subsystem, root.GenSubLogger)
|
||||
SetSubLogger(root, subsystem, logger, useLoggers...)
|
||||
}
|
||||
|
||||
// SetSubLogger is a helper method to conveniently register the logger of a sub
|
||||
// system.
|
||||
func SetSubLogger(root *build.RotatingLogWriter, subsystem string,
|
||||
logger btclog.Logger, useLoggers ...func(btclog.Logger)) {
|
||||
|
||||
root.RegisterSubLogger(subsystem, logger)
|
||||
for _, useLogger := range useLoggers {
|
||||
useLogger(logger)
|
||||
}
|
||||
|
||||
@ -5298,7 +5298,7 @@ func (r *rpcServer) DebugLevel(ctx context.Context,
|
||||
if req.Show {
|
||||
return &lnrpc.DebugLevelResponse{
|
||||
SubSystems: strings.Join(
|
||||
RootLogWriter.SupportedSubsystems(), " ",
|
||||
r.cfg.LogWriter.SupportedSubsystems(), " ",
|
||||
),
|
||||
}, nil
|
||||
}
|
||||
@ -5307,7 +5307,7 @@ func (r *rpcServer) DebugLevel(ctx context.Context,
|
||||
|
||||
// Otherwise, we'll attempt to set the logging level using the
|
||||
// specified level spec.
|
||||
err := build.ParseAndSetDebugLevels(req.LevelSpec, RootLogWriter)
|
||||
err := build.ParseAndSetDebugLevels(req.LevelSpec, r.cfg.LogWriter)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user