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opensearch-docs-cn/_data-prepper/pipelines/configuration/sources/http-source.md

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http_source

http_source is a source plugin that supports HTTP. Currently, http_source only supports the JSON UTF-8 codec for incoming requests, such as [{"key1": "value1"}, {"key2": "value2"}]. The following table describes options you can use to configure the http_source source.

Option Required Type Description

port | No | Integer | The port that the source is running on. Default value is 2021. Valid options are between 0 and 65535. health_check_service | No | Boolean | Enables the health check service on the /health endpoint on the defined port. Default value is false. unauthenticated_health_check | No | Boolean | Determines whether or not authentication is required on the health check endpoint. Data Prepper ignores this option if no authentication is defined. Default value is false. request_timeout | No | Integer | The request timeout, in milliseconds. Default value is 10000. thread_count | No | Integer | The number of threads to keep in the ScheduledThreadPool. Default value is 200. max_connection_count | No | Integer | The maximum allowed number of open connections. Default value is 500. max_pending_requests | No | Integer | The maximum allowed number of tasks in the ScheduledThreadPool work queue. Default value is 1024. authentication | No | Object | An authentication configuration. By default, this creates an unauthenticated server for the pipeline. This uses pluggable authentication for HTTPS. To use basic authentication define the http_basic plugin with a username and password. To provide customer authentication, use or create a plugin that implements ArmeriaHttpAuthenticationProvider. ssl | No | Boolean | Enables TLS/SSL. Default value is false. ssl_certificate_file | Conditionally | String | SSL certificate chain file path or Amazon Simple Storage Service (Amazon S3) path. Amazon S3 path example s3://<bucketName>/<path>. Required if ssl is set to true and use_acm_certificate_for_ssl is set to false. ssl_key_file | Conditionally | String | SSL key file path or Amazon S3 path. Amazon S3 path example s3://<bucketName>/<path>. Required if ssl is set to true and use_acm_certificate_for_ssl is set to false. use_acm_certificate_for_ssl | No | Boolean | Enables a TLS/SSL using certificate and private key from AWS Certificate Manager (ACM). Default value is false. acm_certificate_arn | Conditionally | String | The ACM certificate Amazon Resource Name (ARN). The ACM certificate takes preference over Amazon S3 or a local file system certificate. Required if use_acm_certificate_for_ssl is set to true. acm_private_key_password | No | String | ACM private key password that decrypts the private key. If not provided, Data Prepper generates a random password. acm_certificate_timeout_millis | No | Integer | Timeout, in milliseconds, that ACM takes to get certificates. Default value is 120000. aws_region | Conditionally | String | AWS region used by ACM or Amazon S3. Required if use_acm_certificate_for_ssl is set to true or ssl_certificate_file and ssl_key_file is the Amazon S3 path.

Metrics

The http_source source includes the following metrics.

Counters

  • requestsReceived: Measures the total number of requests received by the /log/ingest endpoint.
  • requestsRejected: Measures the total number of requests rejected (429 response status code) by the HTTP Source plugin.
  • successRequests: Measures the total number of requests successfully processed (200 response status code) the by HTTP Source plugin.
  • badRequests: Measures the total number of requests with either an invalid content type or format processed by the HTTP Source plugin (400 response status code).
  • requestTimeouts: Measures the total number of requests that time out in the HTTP source server (415 response status code).
  • requestsTooLarge: Measures the total number of requests where the size of the event is larger than the buffer capacity (413 response status code).
  • internalServerError: Measures the total number of requests processed by the HTTP Source with a custom exception type (500 response status code).

Timers

  • requestProcessDuration: Measures the latency of requests processed by the HTTP Source plugin in seconds.

Distribution summaries

  • payloadSize: Measures the incoming request payload size in bytes.