envconfig.go 1.1 KB

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  1. /*
  2. *
  3. * Copyright 2018 gRPC authors.
  4. *
  5. * Licensed under the Apache License, Version 2.0 (the "License");
  6. * you may not use this file except in compliance with the License.
  7. * You may obtain a copy of the License at
  8. *
  9. * http://www.apache.org/licenses/LICENSE-2.0
  10. *
  11. * Unless required by applicable law or agreed to in writing, software
  12. * distributed under the License is distributed on an "AS IS" BASIS,
  13. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. * See the License for the specific language governing permissions and
  15. * limitations under the License.
  16. *
  17. */
  18. // Package envconfig contains grpc settings configured by environment variables.
  19. package envconfig
  20. import (
  21. "os"
  22. "strings"
  23. )
  24. const (
  25. prefix = "GRPC_GO_"
  26. retryStr = prefix + "RETRY"
  27. txtErrIgnoreStr = prefix + "IGNORE_TXT_ERRORS"
  28. )
  29. var (
  30. // Retry is set if retry is explicitly enabled via "GRPC_GO_RETRY=on".
  31. Retry = strings.EqualFold(os.Getenv(retryStr), "on")
  32. // TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false").
  33. TXTErrIgnore = !strings.EqualFold(os.Getenv(txtErrIgnoreStr), "false")
  34. )