Publishing dimensions from JSON log events or from space-delimited log events using aws_cloudwatch_log_metric_filter · Issue #19521 · hashicorp/terraform-provider-aws · GitHub
resource/aws_cloudwatch_log_metric_filter: support dimensions · Issue #19608 · hashicorp/terraform-provider-aws · GitHub
CloudWatchのロググループに手動でテスト用ログを投入したい。 - Qiita
Create an AWS CloudWatch Metric Filter and Alarm in Terraform