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Convert workspace configuration to DCR configurations

  • Članak

Whereas Log Analytics Agent inherits its configuration from Log Analytics workspaces, the Azure Monitor Agent relies on data collection rules (DCRs) for configuration

The workspace configuration to DCR config generator is a PowerShell that reads the configuration from your workspace produce multiple DCR ARM templates, based on the MMA configurations present on the workspace.

Prerequisites

  • PowerShell version 7.1.3 or higher is recommended (minimum version 5.1)
  • Az PowerShell module to pull workspace agent configuration information Az PowerShell module. To install the Az PowerShell module, see Install Azure PowerShell on Windows
  • Read/Write access to the specified workspace resource

Installation and execution

Download the PowerShell script from Git Hub.

The script retrieves the configuration of the legacy agent configurations from the workspace and generates DCR ARM templates for each supported DCR type in the specified output folder. More than one template may be created, one for each DCR type.

For multiple workspaces with data collections configured, you must run the script for each workspace. IIS logs the script also creates an additional data collection role as part of that configuration.

When the script completes, it prompts you to test the deployment of the template in your environment. Choose to either let it deploy the template for you, or store the template specified output folder

Note

The script does not associate the DCRs with the workspace. You must create your own data collection rule associations (DCRAs), to associate the DCRs with the relevant servers. This allows you to control the deployment of the DCRs to the servers and test the DCRs on a sample of servers before deploying at scale.

To run script, copy the following command and replace the parameters with your values:

	.\WorkspaceConfigToDCRMigrationTool.ps1 -SubscriptionId $subId -ResourceGroupName $rgName -WorkspaceName $workspaceName -DCRName $dcrName -OutputFolder $outputFolderPath

Script parameters

Name Required Description
SubscriptionId YES The subscription ID of the workspace
ResourceGroupName YES The resource Group of the workspace
WorkspaceName YES The name of the workspace (Azure resource IDs are case insensitive)
DCRName YES The base name used for each one the outputs DCRs
OutputFolder NO The output folder path. If not provided, the working directory path is used

Outputs:

  • For each supported DCR type, the script produces a ready to be deployed DCR ARM template and a DCR payload, for users that don't need the ARM template.

Currently supported DCR types:

  • Windows contains WindowsPerfCounters and WindowsEventLogs data sources only
  • Linux contains LinuxPerfCounters and Syslog data sources only
  • Custom Logs contains logFiles data sources only
  • IIS Logs contains iisLogs data sources only
  • DependencyAgent extension
  • Extensions contains extensions data sources only along with any associated perfCounters data sources
    • VMInsights

Deployment

For information on deploying the DCRs, see Data collection rules in Azure Monitor and Create and edit data collection rules (DCRs) in Azure Monitor

Warning

You shouldn’t use an existing custom log table used by MMA agents. Your MMA agents won't be able to write to the table once the first AMA agent writes to the table. You should create a new table for AMA to use to prevent MMA data loss.

Next steps