diff options
Diffstat (limited to 'vendor/github.com/uber/jaeger-client-go/constants.go')
-rw-r--r-- | vendor/github.com/uber/jaeger-client-go/constants.go | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/vendor/github.com/uber/jaeger-client-go/constants.go b/vendor/github.com/uber/jaeger-client-go/constants.go new file mode 100644 index 000000000..5a4e18752 --- /dev/null +++ b/vendor/github.com/uber/jaeger-client-go/constants.go @@ -0,0 +1,88 @@ +// Copyright (c) 2017 Uber Technologies, Inc. +// +// 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 jaeger + +const ( + // JaegerClientVersion is the version of the client library reported as Span tag. + JaegerClientVersion = "Go-2.15.1dev" + + // JaegerClientVersionTagKey is the name of the tag used to report client version. + JaegerClientVersionTagKey = "jaeger.version" + + // JaegerDebugHeader is the name of HTTP header or a TextMap carrier key which, + // if found in the carrier, forces the trace to be sampled as "debug" trace. + // The value of the header is recorded as the tag on the root span, so that the + // trace can be found in the UI using this value as a correlation ID. + JaegerDebugHeader = "jaeger-debug-id" + + // JaegerBaggageHeader is the name of the HTTP header that is used to submit baggage. + // It differs from TraceBaggageHeaderPrefix in that it can be used only in cases where + // a root span does not exist. + JaegerBaggageHeader = "jaeger-baggage" + + // TracerHostnameTagKey used to report host name of the process. + TracerHostnameTagKey = "hostname" + + // TracerIPTagKey used to report ip of the process. + TracerIPTagKey = "ip" + + // TracerUUIDTagKey used to report UUID of the client process. + TracerUUIDTagKey = "client-uuid" + + // SamplerTypeTagKey reports which sampler was used on the root span. + SamplerTypeTagKey = "sampler.type" + + // SamplerParamTagKey reports the parameter of the sampler, like sampling probability. + SamplerParamTagKey = "sampler.param" + + // TraceContextHeaderName is the http header name used to propagate tracing context. + // This must be in lower-case to avoid mismatches when decoding incoming headers. + TraceContextHeaderName = "uber-trace-id" + + // TracerStateHeaderName is deprecated. + // Deprecated: use TraceContextHeaderName + TracerStateHeaderName = TraceContextHeaderName + + // TraceBaggageHeaderPrefix is the prefix for http headers used to propagate baggage. + // This must be in lower-case to avoid mismatches when decoding incoming headers. + TraceBaggageHeaderPrefix = "uberctx-" + + // SamplerTypeConst is the type of sampler that always makes the same decision. + SamplerTypeConst = "const" + + // SamplerTypeRemote is the type of sampler that polls Jaeger agent for sampling strategy. + SamplerTypeRemote = "remote" + + // SamplerTypeProbabilistic is the type of sampler that samples traces + // with a certain fixed probability. + SamplerTypeProbabilistic = "probabilistic" + + // SamplerTypeRateLimiting is the type of sampler that samples + // only up to a fixed number of traces per second. + SamplerTypeRateLimiting = "ratelimiting" + + // SamplerTypeLowerBound is the type of sampler that samples + // at least a fixed number of traces per second. + SamplerTypeLowerBound = "lowerbound" + + // DefaultUDPSpanServerHost is the default host to send the spans to, via UDP + DefaultUDPSpanServerHost = "localhost" + + // DefaultUDPSpanServerPort is the default port to send the spans to, via UDP + DefaultUDPSpanServerPort = 6831 + + // DefaultMaxTagValueLength is the default max length of byte array or string allowed in the tag value. + DefaultMaxTagValueLength = 256 +) |