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Zipkin



Datakit 内嵌的 Zipkin Agent 用于接收,运算,分析 Zipkin Tracing 协议数据。

配置

采集器配置

进入 DataKit 安装目录下的 conf.d/zipkin 目录,复制 zipkin.conf.sample 并命名为 zipkin.conf。示例如下:

[[inputs.zipkin]]
  pathV1 = "/api/v1/spans"
  pathV2 = "/api/v2/spans"

  ## ignore_tags will work as a blacklist to prevent tags send to data center.
  ## Every value in this list is a valid string of regular expression.
  # ignore_tags = ["block1", "block2"]

  ## Keep rare tracing resources list switch.
  ## If some resources are rare enough(not presend in 1 hour), those resource will always send
  ## to data center and do not consider samplers and filters.
  # keep_rare_resource = false

  ## delete trace message
  # del_message = true

  ## Ignore tracing resources map like service:[resources...].
  ## The service name is the full service name in current application.
  ## The resource list is regular expressions uses to block resource names.
  ## If you want to block some resources universally under all services, you can set the
  ## service name as "*". Note: double quotes "" cannot be omitted.
  # [inputs.zipkin.close_resource]
    # service1 = ["resource1", "resource2", ...]
    # service2 = ["resource1", "resource2", ...]
    # "*" = ["close_resource_under_all_services"]
    # ...

  ## Sampler config uses to set global sampling strategy.
  ## sampling_rate used to set global sampling rate.
  # [inputs.zipkin.sampler]
    # sampling_rate = 1.0

  # [inputs.zipkin.tags]
    # key1 = "value1"
    # key2 = "value2"
    # ...

  ## Threads config controls how many goroutines an agent cloud start to handle HTTP request.
  ## buffer is the size of jobs' buffering of worker channel.
  ## threads is the total number fo goroutines at running time.
  # [inputs.zipkin.threads]
    # buffer = 100
    # threads = 8

  ## Storage config a local storage space in hard dirver to cache trace data.
  ## path is the local file path used to cache data.
  ## capacity is total space size(MB) used to store data.
  # [inputs.zipkin.storage]
    # path = "./zipkin_storage"
    # capacity = 5120

配置好后,重启 DataKit 即可。

目前可以通过 ConfigMap 方式注入采集器配置来开启采集器。

在 Kubernetes 中支持的环境变量如下表:

环境变量名 类型 示例
ENV_INPUT_ZIPKIN_PATH_V1 string "/api/v1/spans"
ENV_INPUT_ZIPKIN_PATH_V2 string "/api/v2/spans"
ENV_INPUT_ZIPKIN_IGNORE_TAGS JSON string ["block1", "block2"]
ENV_INPUT_ZIPKIN_KEEP_RARE_RESOURCE bool true
ENV_INPUT_ZIPKIN_DEL_MESSAGE bool true
ENV_INPUT_ZIPKIN_CLOSE_RESOURCE JSON string {"service1":["resource1"], "service2":["resource2"], "service3":["resource3"]}
ENV_INPUT_ZIPKIN_SAMPLER float 0.3
ENV_INPUT_ZIPKIN_TAGS JSON string {"k1":"v1", "k2":"v2", "k3":"v3"}
ENV_INPUT_ZIPKIN_THREADS JSON string {"buffer":1000, "threads":100}
ENV_INPUT_ZIPKIN_STORAGE JSON string {"storage":"./zipkin_storage", "capacity": 5120}

链路字段

zipkin

  • 标签
Tag Description
container_host Container hostname. Available in OpenTelemetry. Optional.
endpoint Endpoint info. Available in SkyWalking, Zipkin. Optional.
env Application environment info. Available in Jaeger. Optional.
host Hostname.
http_method HTTP request method name. Available in DDTrace, OpenTelemetry. Optional.
http_route HTTP route. Optional.
http_status_code HTTP response code. Available in DDTrace, OpenTelemetry. Optional.
http_url HTTP URL. Optional.
operation Span name
project Project name. Available in Jaeger. Optional.
service Service name. Optional.
source_type Tracing source type
span_type Span type
status Span status
version Application version info. Available in Jaeger. Optional.
  • 指标列表
Metric Description Type Unit
duration Duration of span int μs
message Origin content of span string -
parent_id Parent span ID of current span string -
resource Resource name produce current span string -
span_id Span id string -
start start time of span. int usec
trace_id Trace id string -

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