Splunk® Data Stream Processor

Function Reference

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Get data from Microsoft Azure Monitor

Use the Microsoft Azure Monitor source function to get data from Microsoft Azure Monitor. You must create a connection to use this source function. See Create a DSP connection to Microsoft Azure Monitor.

Function output schema

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

Dimensions that apply to all of the metrics in the record rather than a specific metric are returned in the attributes field instead of the body field. Typically, the attributes field includes at least the following dimensions:

  • TenantId: The ID of the tenant or directory in Azure Active Directory (AD) containing the resource that the metric event belongs to.
  • ResourceId: The ID of the resource that the metric event belongs to.
  • Location: The location of the resource that the metric event belongs to.
  • One of the following dimensions:
    • SubscriptionId: The ID of the subscription that the metric event was delivered through.
    • ManagementGroup: The ID of the management group that the metric event was delivered through.

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

{
"timestamp": 1562806833000,
"nanos": 0,
"id": "2823738566644596",
"host": "azure_test_server",
"source": "westus:Microsoft.Compute/virtualMachines",
"source_type": "azure:monitor:metrics",
"kind": "metric",
"body": {  
     "name": "Microsoft.Compute/virtualMachines.PercentageCPU.Average",
     "unit": "Percent",
     "type": "",
     "value": 0.7575,
     "dimensions": {
          "Interval": "PT1M"
          }
     },
"attributes": {
     "default_type": "g",
     "default_dimensions": {
          "Location": "eastus",
          "ManagementGroup": "",
          "ResourceId": "/subscriptions/ea1f75d9-5615-4390-c29f-a61f766eb4f3/resourceGroups/my-company/providers/Microsoft.EventHub/namespaces/myNamespace",
          "SubscriptionId": "ea1f75d9-5615-4390-c29f-a61f766eb4f3",
          "TenantId": "a7c29db7f-f1d3-c23b-1fd2-3ef17c529a0"
          }
     }
}

Required arguments

connection_id
Syntax: string
Description: The ID of your Azure Monitor 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_azure_monitor_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_azure_monitor_metrics(connection_id: "my-connection-id") |... ;

Limitations of the Microsoft Azure Monitor source function

The Microsoft Azure Monitor 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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