Zipkin

2016-01-04 Kommentare

解決方式
Dapper 2010

Quickstart

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git clone https://github.com/openzipkin/docker-zipkin
cd docker-zipkin
docker-compose up

zipkin web: host:8080
zipkin collector: host:8086

詳細請看docker compose

架構

術語

Annotation: 關於 `時間(timestamp)` `服務(service)` `host` 的字串資料

Annotation
- cs - Client Start.
- sr - Server Receive.
- ss - Server Send.
- cr - Client Recieve.
BinaryAnnotation : 沒有時間元素，他們代表額外的 RPC 資訊

Annotation

Span: 代表一個特定的方法呼叫，由一組(set) annotation 組成，並且有名稱及 ID

Span

Trace: 紀錄同一個 Request 的一組 span

Trace

DEMO

rootSpan := zipkin.NewSpan("192.168.99.100:9410", "AService", "Endpoint a1", newID(), newID(), newID())
rootCallerSpan := zipkin.NewSpan("192.168.99.100:9410", "AService", "Endpoint a1", rootSpan.TraceID(), newID(), rootSpan.SpanID())
calleeSpan := zipkin.NewSpan("192.168.99.100:9411", "BService", "Endpoint b2", rootCallerSpan.TraceID(), rootCallerSpan.SpanID(), rootCallerSpan.ParentSpanID())

rootSpan.Annotate("sr")
time.Sleep(1 * time.Second)
rootCallerSpan.Annotate("cs")
calleeSpan.Annotate("sr")
time.Sleep(2 * time.Second)
calleeSpan.Annotate("ss")
rootCallerSpan.Annotate("cr")
time.Sleep(1 * time.Second)
rootSpan.Annotate("ss")

collector.Collect(rootSpan)
collector.Collect(rootCallerSpan)
collector.Collect(calleeSpan)