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HTTP 输入插件

此插件从一个或多个提供支持的 数据格式 中数据的 HTTP 端点收集指标。

引入于: Telegraf v1.6.0 标签: applications, server 操作系统支持: all

全局配置选项

插件支持其他全局和插件配置设置,用于修改指标、标签和字段,创建别名以及配置插件顺序等任务。更多详情请参阅 CONFIGURATION.md

Secret-store 支持

此插件支持来自 secret-stores 的 usernamepasswordtokenheaderscookie_auth_headers 选项的 secret。有关如何使用它们的更多详细信息,请参阅 secret-store 文档

配置

# Read formatted metrics from one or more HTTP endpoints
[[inputs.http]]
  ## One or more URLs from which to read formatted metrics.
  urls = [
    "https:///metrics",
    "http+unix:///run/user/420/podman/podman.sock:/d/v4.0.0/libpod/pods/json"
  ]

  ## HTTP method
  # method = "GET"

  ## Optional HTTP headers
  # headers = {"X-Special-Header" = "Special-Value"}

  ## HTTP entity-body to send with POST/PUT requests.
  # body = ""

  ## HTTP Content-Encoding for write request body, can be set to "gzip" to
  ## compress body or "identity" to apply no encoding.
  # content_encoding = "identity"

  ## Optional Bearer token settings to use for the API calls.
  ## Use either the token itself or the token file if you need a token.
  # token = "eyJhbGc...Qssw5c"
  # token_file = "/path/to/file"

  ## Optional HTTP Basic Auth Credentials
  # username = "username"
  # password = "pa$$word"

  ## OAuth2 Client Credentials. The options 'client_id', 'client_secret', and 'token_url' are required to use OAuth2.
  # client_id = "clientid"
  # client_secret = "secret"
  # token_url = "https://indentityprovider/oauth2/v1/token"
  # scopes = ["urn:opc:idm:__myscopes__"]

  ## HTTP Proxy support
  # use_system_proxy = false
  # http_proxy_url = ""

  ## Optional TLS Config
  ## Set to true/false to enforce TLS being enabled/disabled. If not set,
  ## enable TLS only if any of the other options are specified.
  # tls_enable =
  ## Trusted root certificates for server
  # tls_ca = "/path/to/cafile"
  ## Used for TLS client certificate authentication
  # tls_cert = "/path/to/certfile"
  ## Used for TLS client certificate authentication
  # tls_key = "/path/to/keyfile"
  ## Password for the key file if it is encrypted
  # tls_key_pwd = ""
  ## Send the specified TLS server name via SNI
  # tls_server_name = "kubernetes.example.com"
  ## Minimal TLS version to accept by the client
  # tls_min_version = "TLS12"
  ## List of ciphers to accept, by default all secure ciphers will be accepted
  ## See https://pkg.go.dev/crypto/tls#pkg-constants for supported values.
  ## Use "all", "secure" and "insecure" to add all support ciphers, secure
  ## suites or insecure suites respectively.
  # tls_cipher_suites = ["secure"]
  ## Renegotiation method, "never", "once" or "freely"
  # tls_renegotiation_method = "never"
  ## Use TLS but skip chain & host verification
  # insecure_skip_verify = false

  ## Optional Cookie authentication
  # cookie_auth_url = "https:///authMe"
  # cookie_auth_method = "POST"
  # cookie_auth_username = "username"
  # cookie_auth_password = "pa$$word"
  # cookie_auth_headers = { Content-Type = "application/json", X-MY-HEADER = "hello" }
  # cookie_auth_body = '{"username": "user", "password": "pa$$word", "authenticate": "me"}'
  ## cookie_auth_renewal not set or set to "0" will auth once and never renew the cookie
  # cookie_auth_renewal = "5m"

  ## Amount of time allowed to complete the HTTP request
  # timeout = "5s"

  ## List of success status codes
  # success_status_codes = [200]

  ## Data format to consume.
  ## Each data format has its own unique set of configuration options, read
  ## more about them here:
  ## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
  # data_format = "influx"

可以通过“http+unix”或“https+unix”方案指定通过 Unix 域套接字的 HTTP 请求。请求 URL 应具有以下形式

http+unix:///path/to/service.sock:/api/endpoint

注意:Unix 域套接字和请求端点的路径由冒号(“:”)分隔。

示例输出

此示例输出来自 此教程文章

citibike,station_id=4703 eightd_has_available_keys=false,is_installed=1,is_renting=1,is_returning=1,legacy_id="4703",num_bikes_available=6,num_bikes_disabled=2,num_docks_available=26,num_docks_disabled=0,num_ebikes_available=0,station_status="active" 1641505084000000000
citibike,station_id=4704 eightd_has_available_keys=false,is_installed=1,is_renting=1,is_returning=1,legacy_id="4704",num_bikes_available=10,num_bikes_disabled=2,num_docks_available=36,num_docks_disabled=0,num_ebikes_available=0,station_status="active" 1641505084000000000
citibike,station_id=4711 eightd_has_available_keys=false,is_installed=1,is_renting=1,is_returning=1,legacy_id="4711",num_bikes_available=9,num_bikes_disabled=0,num_docks_available=36,num_docks_disabled=0,num_ebikes_available=1,station_status="active" 1641505084000000000

Metrics

此输入插件收集的指标将取决于配置的 data_format 和 HTTP 端点返回的有效负载。

如果输入格式未指定值,则会添加下面的默认值

  • http
    • 标签 (tags)
      • url

可选的 Cookie 身份验证设置将从给定的授权端点检索 Cookie,并在后续的 API 请求中使用它。这对于不提供 OAuth 或 Basic Auth 身份验证的服务很有用,例如 Tesla Powerwall API,它使用 Cookie Auth Body 来检索授权 Cookie。Cookie Auth Renewal 间隔将以给定的间隔续订授权,通过检索新的 Cookie。


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