100 lines
2.2 KiB
Markdown
100 lines
2.2 KiB
Markdown
# Tracing
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Tracing system allows developers to visualize call flows in there infrastructures.
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We use [OpenTracing](http://opentracing.io). It is an open standard designed for distributed tracing.
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Træfik supports two backends: Jaeger and Zipkin.
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## Jaeger
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```toml
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# Tracing definition
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[tracing]
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# Backend name used to send tracing data
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#
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# Default: "jaeger"
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#
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backend = "jaeger"
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# Service name used in Jaeger backend
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#
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# Default: "traefik"
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#
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serviceName = "traefik"
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[tracing.jaeger]
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# Sampling Server URL is the address of jaeger-agent's HTTP sampling server
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#
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# Default: "http://localhost:5778/sampling"
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#
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samplingServerURL = "http://localhost:5778/sampling"
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# Sampling Type specifies the type of the sampler: const, probabilistic, rateLimiting
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#
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# Default: "const"
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#
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samplingType = "const"
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# Sampling Param is a value passed to the sampler.
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# Valid values for Param field are:
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# - for "const" sampler, 0 or 1 for always false/true respectively
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# - for "probabilistic" sampler, a probability between 0 and 1
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# - for "rateLimiting" sampler, the number of spans per second
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#
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# Default: 1.0
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#
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samplingParam = 1.0
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# Local Agent Host Port instructs reporter to send spans to jaeger-agent at this address
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#
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# Default: "127.0.0.1:6831"
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#
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localAgentHostPort = "127.0.0.1:6831"
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```
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!!! warning
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Træfik is only able to send data over compact thrift protocol to the [Jaeger agent](https://www.jaegertracing.io/docs/deployment/#agent).
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## Zipkin
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```toml
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# Tracing definition
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[tracing]
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# Backend name used to send tracing data
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#
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# Default: "jaeger"
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#
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backend = "zipkin"
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# Service name used in Zipkin backend
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#
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# Default: "traefik"
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#
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serviceName = "traefik"
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[tracing.zipkin]
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# Zipking HTTP endpoint used to send data
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#
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# Default: "http://localhost:9411/api/v1/spans"
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#
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httpEndpoint = "http://localhost:9411/api/v1/spans"
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# Enable Zipkin debug
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#
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# Default: false
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#
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debug = false
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# Use ZipKin SameSpan RPC style traces
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#
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# Default: false
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#
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sameSpan = false
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# Use ZipKin 128 bit root span IDs
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#
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# Default: true
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#
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id128Bit = true
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```
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