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版本:Next

Prometheus

Prometheus 数据源连接器

描述

用于读取prometheus数据。

主要特性

源选项

名称类型是否必填默认值
urlStringYes-
queryStringYes-
query_typeStringYesInstant
content_fieldStringYes$.data.result.*
schema.fieldsConfigYes-
formatStringNojson
paramsMapYes-
poll_interval_millisintNo-
retryintNo-
retry_backoff_multiplier_msintNo100
retry_backoff_max_msintNo10000
enable_multi_linesbooleanNofalse
common-optionsconfigNo

url [String]

http 请求路径。

query [String]

Prometheus 表达式查询字符串

query_type [String]

Instant/Range

  1. Instant : 简单指标的即时查询。
  2. Range : 一段时间内指标数据。

https://prometheus.io/docs/prometheus/latest/querying/api/

params [Map]

http 请求参数

poll_interval_millis [int]

流模式下请求HTTP API间隔(毫秒)

retry [int]

The max retry times if request http return to IOException

retry_backoff_multiplier_ms [int]

请求http返回到' IOException '的最大重试次数

retry_backoff_max_ms [int]

http请求失败,最大重试回退时间(毫秒)

format [String]

上游数据的格式,默认为json。

schema [Config]

按照如下填写一个固定值

    schema = {
fields {
metric = "map<string, string>"
value = double
time = long
}
}

fields [Config]

上游数据的模式字段

common options

源插件常用参数,请参考Source Common Options 了解详细信息

示例

Instant:

source {
Prometheus {
result_table_name = "http"
url = "http://mockserver:1080"
query = "up"
query_type = "Instant"
content_field = "$.data.result.*"
format = "json"
schema = {
fields {
metric = "map<string, string>"
value = double
time = long
}
}
}
}

Range

source {
Prometheus {
result_table_name = "http"
url = "http://mockserver:1080"
query = "up"
query_type = "Range"
content_field = "$.data.result.*"
format = "json"
start = "2024-07-22T20:10:30.781Z"
end = "2024-07-22T20:11:00.781Z"
step = "15s"
schema = {
fields {
metric = "map<string, string>"
value = double
time = long
}
}
}
}

Changelog

next version

  • 添加Prometheus源连接器
  • 减少配置项