Add logging configuration to Prometheus

[barthel]

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Description

The Amazon Managed Prometheus provides configuration to send log events to CloudWatch.
I would suggest to add two new fields on 'aws_prometheus_workspace' like:

• log_level
• cloudwatch_log_group_arn

New or Affected Resource(s)

• aws_prometheus_workspace

Potential Terraform Configuration

resource "aws_cloudwatch_log_group" "prometheus" {
...
}

resource "aws_prometheus_workspace" "prometheus" {
  alias = "LogMon Prometheus Workspace"

  log_level = "ALL"
  cloudwatch_log_group_arn = aws_cloudwatch_log_group.prometheus.arn
}

References

• https://docs.aws.amazon.com/prometheus/latest/userguide/AMP-APIReference.html#AMP-APIReference-CreateLoggingConfiguration
• https://docs.aws.amazon.com/sdk-for-go/api/service/prometheusservice/#PrometheusService.CreateLoggingConfiguration

[kamilturek]

I might pick it up soon.

[nclaeys]

I made a first attempt to add the cloudwatch_log_group_arn to the workspace configuration.

I did not ad the log_level as it actually does not exist in the API and in the UI has values off/All. For me it seemed more clear to just make the cloudwatch_log_group_arn attribute optional.

[github-actions]

This functionality has been released in v4.35.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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