diff options
Diffstat (limited to 'vendor/google.golang.org/grpc/internal/envconfig/envconfig.go')
| -rw-r--r-- | vendor/google.golang.org/grpc/internal/envconfig/envconfig.go | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go deleted file mode 100644 index 6e7dd6b77..000000000 --- a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go +++ /dev/null @@ -1,81 +0,0 @@ -/* - * - * Copyright 2018 gRPC authors. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ - -// Package envconfig contains grpc settings configured by environment variables. -package envconfig - -import ( - "os" - "strconv" - "strings" -) - -var ( - // TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false"). - TXTErrIgnore = boolFromEnv("GRPC_GO_IGNORE_TXT_ERRORS", true) - // RingHashCap indicates the maximum ring size which defaults to 4096 - // entries but may be overridden by setting the environment variable - // "GRPC_RING_HASH_CAP". This does not override the default bounds - // checking which NACKs configs specifying ring sizes > 8*1024*1024 (~8M). - RingHashCap = uint64FromEnv("GRPC_RING_HASH_CAP", 4096, 1, 8*1024*1024) - // LeastRequestLB is set if we should support the least_request_experimental - // LB policy, which can be enabled by setting the environment variable - // "GRPC_EXPERIMENTAL_ENABLE_LEAST_REQUEST" to "true". - LeastRequestLB = boolFromEnv("GRPC_EXPERIMENTAL_ENABLE_LEAST_REQUEST", false) - // ALTSMaxConcurrentHandshakes is the maximum number of concurrent ALTS - // handshakes that can be performed. - ALTSMaxConcurrentHandshakes = uint64FromEnv("GRPC_ALTS_MAX_CONCURRENT_HANDSHAKES", 100, 1, 100) - // EnforceALPNEnabled is set if TLS connections to servers with ALPN disabled - // should be rejected. The HTTP/2 protocol requires ALPN to be enabled, this - // option is present for backward compatibility. This option may be overridden - // by setting the environment variable "GRPC_ENFORCE_ALPN_ENABLED" to "true" - // or "false". - EnforceALPNEnabled = boolFromEnv("GRPC_ENFORCE_ALPN_ENABLED", true) - // XDSFallbackSupport is the env variable that controls whether support for - // xDS fallback is turned on. If this is unset or is false, only the first - // xDS server in the list of server configs will be used. - XDSFallbackSupport = boolFromEnv("GRPC_EXPERIMENTAL_XDS_FALLBACK", false) - // NewPickFirstEnabled is set if the new pickfirst leaf policy is to be used - // instead of the exiting pickfirst implementation. This can be enabled by - // setting the environment variable "GRPC_EXPERIMENTAL_ENABLE_NEW_PICK_FIRST" - // to "true". - NewPickFirstEnabled = boolFromEnv("GRPC_EXPERIMENTAL_ENABLE_NEW_PICK_FIRST", false) -) - -func boolFromEnv(envVar string, def bool) bool { - if def { - // The default is true; return true unless the variable is "false". - return !strings.EqualFold(os.Getenv(envVar), "false") - } - // The default is false; return false unless the variable is "true". - return strings.EqualFold(os.Getenv(envVar), "true") -} - -func uint64FromEnv(envVar string, def, min, max uint64) uint64 { - v, err := strconv.ParseUint(os.Getenv(envVar), 10, 64) - if err != nil { - return def - } - if v < min { - return min - } - if v > max { - return max - } - return v -} |