aws_cloudwatch_log_metric_filter's metric_transformation block missing optional defaultValue

[endemics]

Hi,

Please consider adding the possibility to set the defaultValue to aws_cloudwatch_log_metric_filter's metric_transformation block

Terraform Version

terraform 0.10.0 with aws plugin 0.1.4

Affected Resource(s)

aws_cloudwatch_log_metric_filter

Expected Behavior

Cloudwatchlog metric filter as currently implemented in terraform aws plugin 0.1.4 does not support default values in the metric_transformation block.

As per the API reference, it is possible to specify an optional defaultValue to a metric filter

Specifying a default value ensures that data is reported even during periods when no log events occur, preventing spotty metrics where data sometimes does not exist.

(ref http://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/CountingLogEventsExample.html)

The go sdk supports the DefaultValue in the type MetricTransformation struct, but it is absent from terraform's resourceAwsCloudWatchLogMetricFilter()

[ghost]

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