Hey all, I've been stuck on this for a few days now. I need a bit of help.
I'm trying to create a configuration for the CloudWatch Exporter to
automatically discover RDS instances with a specific tag.
This is part of the configuration I'm using:
- aws_dimensions:
- DBInstanceIdentifier
aws_metric_name: FreeLocalStorage
aws_namespace: AWS/RDS
aws_statistics:
- Average
aws_tag_select:
resource_id_dimension: DBInstanceRole
resource_type_selection: rds:dbinstance
tag_selections:
my-custom-tag:
- 'true'
period_seconds: 60
Once I apply this config, I start getting the expected results from the
CloudWatch Exporter:
# HELP aws_rds_free_local_storage_average CloudWatch metric AWS/RDS
FreeLocalStorage Dimensions: [DBInstanceIdentifier] Statistic: Average Unit:
Bytes
# TYPE aws_rds_free_local_storage_average gauge
aws_rds_free_local_storage_average{job="aws_rds",instance="",dbinstance_identifier="redacted-1",}
2.549407744E10 1592797980000
But, unfortunatelly no results are returned in the `aws_resource_info`
timeseries. I was expecting that all resources discovered by tags would
generate entries in that timeseries.
Even looking at the Java code, apparently this was suppose to happen. See:
https://github.com/prometheus/cloudwatch_exporter/blob/master/src/main/java/io/prometheus/cloudwatch/CloudWatchCollector.java#L657
Can anyone point what am I doing wrong here?
Cheers!
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