[question] why `SetLevelFromString` and `SetLevel` are not thread-safe?

[Eugene Klimov]

I want to reload config and setup global log level dynamically

But got race conditions
could you give any suggestions how to do it?

WARNING: DATA RACE
Write at 0x00000532fb30 by goroutine 94:
  github.com/apex/log.SetLevelFromString()
      /root/go/pkg/mod/github.com/apex/log@v1.9.0/pkg.go:29 +0xd3
  github.com/AlexAkulov/clickhouse-backup/pkg/config.LoadConfig()
      /src/pkg/config/config.go:280 +0xb44
  github.com/AlexAkulov/clickhouse-backup/pkg/backup.(*Backuper).Watch()
      /src/pkg/backup/watch.go:95 +0x68e
  github.com/AlexAkulov/clickhouse-backup/pkg/server.(*APIServer).RunWatch()
      /src/pkg/server/server.go:140 +0x48e
  github.com/AlexAkulov/clickhouse-backup/pkg/server.Run.func2()
      /src/pkg/server/server.go:109 +0x5b

Previous read at 0x00000532fb30 by goroutine 93:
  github.com/apex/log.(*Logger).log()
      /root/go/pkg/mod/github.com/apex/log@v1.9.0/logger.go:149 +0x8c
  github.com/apex/log.(*Entry).Info()
      /root/go/pkg/mod/github.com/apex/log@v1.9.0/entry.go:96 +0x94
  github.com/apex/log.(*Entry).Infof()
      /root/go/pkg/mod/github.com/apex/log@v1.9.0/entry.go:122 +0xec
  github.com/apex/log.(*Logger).Infof()
      /root/go/pkg/mod/github.com/apex/log@v1.9.0/logger.go:121 +0xe4
  github.com/apex/log.Infof()
      /root/go/pkg/mod/github.com/apex/log@v1.9.0/pkg.go:86 +0xc5
  github.com/AlexAkulov/clickhouse-backup/pkg/server.(*APIServer).UpdateBackupMetrics()
      /src/pkg/server/server.go:1148 +0x1c4
  github.com/AlexAkulov/clickhouse-backup/pkg/server.Run.func1()
      /src/pkg/server/server.go:103 +0xa4