Problem with Cloudwatch.Metric.put_data resource documentation

[choffa]

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Problem The Cloudwatch.Metric:put_data documentation specifies the following request syntax:

import boto3

cloudwatch = boto3.resource('cloudwatch')
metric = cloudwatch.Metric('namespace', 'name')

response = metric.put_data()

ie. no arguments/parameters for the put_data method.

Calling this function results in

botocore.errorfactory.InvalidParameterCombinationException: An error occurred (InvalidParameterCombination) when calling the PutMetricData operation: At least one of the parameters must be specified.

ie. some arguments/parameters are in fact required! Please consider updating the documentation. 😄

[kdaily]

Hi @choffa, thanks for opening!

[kdaily]

The arguments that are pulled in are defined here:

https://github.com/boto/boto3/blob/2b8d46f5686a30c36f1785c5306e2fb3d569dd8b/boto3/data/cloudwatch/2010-08-01/resources-1.json#L284-L301

I looked at other resources (like an S3 bucket, which has a put_object method) to see how their parameters are generated that are much more complete. We'll need to investigate further what's going on.

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[choffa]

This has not been fixed. This function should still take an argument similar to MetricDatum from CF docs

[tim-finnigan]

Linking related issue: https://github.com/aws/aws-sdk/issues/179

[tim-finnigan]

Actually this appears to be a duplicate of https://github.com/boto/boto3/issues/1396. I just noticed as that received a recent comment. The assignee of that issue has since left the team so I will unassign them begin further investigation. Thanks for your patience.