Splunk® Data Stream Processor

Function Reference

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Get data from Google Cloud Monitoring

Use the Google Cloud Monitoring source function to get data from Google Cloud Monitoring. You must create a connection to use this source function. See Create a DSP connection to Google Cloud Monitoring.

Function output schema

This function outputs data pipeline metric events using the metrics schema.

For each metric in the body field, the function includes a resource_type dimension in addition to the ones that are part of the original payload. This resource_type dimension shows the name of the resource type that the metric belongs to.

The following is an example of a typical record from the read_from_gcp_monitoring_metrics function:

{
"timestamp": 1582151880000,
"nanos": 0,
"id": "2823738566644596",
"host": "my-test-instance",
"source": "serviceruntime.googleapis.com/api",
"source_type": "gcp:monitoring:metrics",
"kind": "metric",
"body": {  
     "name": "request_count",
     "unit": "",
     "type": "",
     "value": 2,
     "dimensions": {
          "end_time": "1582151880",
          "location": "global",
          "method": "compute.targetVpnGateways.list",
          "resource_type": "consumed_api",
          "service": "compute",
          "start_time": "1582151820",
          "version": "v1"		
          }
     },
"attributes": {
     "default_unit": "1",
     "default_type": "INT64",
     "default_dimensions": {
          "project_id": "my-google-cloud-project"
          }
     }
}

Required arguments

connection_id
Syntax: string
Description: The ID of your Google Cloud Monitoring connection.
Example: "576205b3-f6f5-4ab7-8ffc-a4089a95d0c4"

Optional arguments

initial_position
Syntax: LATEST | TRIM_HORIZON
Description: The position in the data stream where you want to start reading data. Defaults to LATEST.
  • LATEST: Start reading data from the latest position on the data stream.
  • TRIM_HORIZON: Start reading data from the very beginning of the data stream.
Example: LATEST

SPL2 example

You can write the function using arguments in this exact order.

| from read_from_gcp_monitoring_metrics("my-connection-id", "TRIM_HORIZON") |... ;

Alternatively, you can use named arguments in any order, and omit the optional argument if you just want to use the default value. See the "Named arguments" section in SPL2 syntax for more details. The following SPL2 example omits the initial_position argument.

| from read_from_gcp_monitoring_metrics(connection_id: "my-connection-id") |... ;

Limitations of the Google Cloud Monitoring source function

The Google Cloud Monitoring source function uses scheduled data collection jobs to ingest data. See Limitations of scheduled data collection jobs for information about limitations that apply to all scheduled data collection jobs.

Last modified on 22 October, 2020
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This documentation applies to the following versions of Splunk® Data Stream Processor: 1.2.0


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