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14ef098099* [feature] Add http trace exporter, drop Jaeger Jaeger supports ingesting traces using the OpenTelemetry gRPC or HTTP methods. The Jaeger project has deprecated the old jaeger transport. * Add support for submitting traces over HTTP * Drop support for the old Jaeger protocol * Upgrade the trace libraries to v1.17 Fixes: #2176 Fixes: #2179
69 lines
2.5 KiB
Go
69 lines
2.5 KiB
Go
/*
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*
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* Copyright 2018 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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// Package envconfig contains grpc settings configured by environment variables.
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package envconfig
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import (
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"os"
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"strconv"
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"strings"
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)
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var (
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// TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false").
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TXTErrIgnore = boolFromEnv("GRPC_GO_IGNORE_TXT_ERRORS", true)
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// AdvertiseCompressors is set if registered compressor should be advertised
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// ("GRPC_GO_ADVERTISE_COMPRESSORS" is not "false").
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AdvertiseCompressors = boolFromEnv("GRPC_GO_ADVERTISE_COMPRESSORS", true)
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// RingHashCap indicates the maximum ring size which defaults to 4096
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// entries but may be overridden by setting the environment variable
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// "GRPC_RING_HASH_CAP". This does not override the default bounds
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// checking which NACKs configs specifying ring sizes > 8*1024*1024 (~8M).
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RingHashCap = uint64FromEnv("GRPC_RING_HASH_CAP", 4096, 1, 8*1024*1024)
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// PickFirstLBConfig is set if we should support configuration of the
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// pick_first LB policy, which can be enabled by setting the environment
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// variable "GRPC_EXPERIMENTAL_PICKFIRST_LB_CONFIG" to "true".
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PickFirstLBConfig = boolFromEnv("GRPC_EXPERIMENTAL_PICKFIRST_LB_CONFIG", false)
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// ALTSMaxConcurrentHandshakes is the maximum number of concurrent ALTS
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// handshakes that can be performed.
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ALTSMaxConcurrentHandshakes = uint64FromEnv("GRPC_ALTS_MAX_CONCURRENT_HANDSHAKES", 100, 1, 100)
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)
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func boolFromEnv(envVar string, def bool) bool {
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if def {
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// The default is true; return true unless the variable is "false".
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return !strings.EqualFold(os.Getenv(envVar), "false")
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}
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// The default is false; return false unless the variable is "true".
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return strings.EqualFold(os.Getenv(envVar), "true")
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}
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func uint64FromEnv(envVar string, def, min, max uint64) uint64 {
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v, err := strconv.ParseUint(os.Getenv(envVar), 10, 64)
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if err != nil {
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return def
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}
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if v < min {
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return min
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}
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if v > max {
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return max
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}
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return v
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}
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