Add back the CloudWatch log group source and enhanced the log filtration using FilterLogEvents API

[ParthaI]

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Add example SQL query results here (please include the input queries as well)

[Copilot]

Pull Request Overview

This PR reinstates support for a CloudWatch log group source across multiple AWS log tables, adding both implementation and documentation.

• Added CloudWatch log group source support to WAF traffic and CloudTrail log tables.
• Implemented CloudWatch log group source configuration, state management, and client interactions.
• Updated documentation examples and registered the source in the AWS plugin.

Reviewed Changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tables/waf_traffic_log/waf_traffic_log_table.go	Added CloudWatch source import and metadata entry for WAF logs.
tables/cloudtrail_log/cloudtrail_log_table.go	Added CloudWatch source import and metadata entry for CloudTrail logs.
sources/cloudwatch_log_group/cloudwatch_log_group_source_config.go	Introduced CloudWatch log group source configuration.
sources/cloudwatch_log_group/cloudwatch_log_group_source.go	Implements the CloudWatch log group source functionality.
sources/cloudwatch_log_group/cloudwatch_log_group_collection_state.go	Implements collection state tracking for CloudWatch events.
docs/tables/aws_waf_traffic_log/index.md	Added documentation examples for CloudWatch log groups in WAF logs.
docs/tables/aws_cloudtrail_log/index.md	Added documentation examples for CloudWatch log groups in CloudTrail logs.
docs/sources/aws_cloudwatch_log_group.md	New documentation page for the CloudWatch log group source.
aws/plugin.go	Registered the CloudWatch log group row source in the plugin.

Files not reviewed (1)

• go.mod: Language not supported

[Copilot]

Pull Request Overview

This PR reintroduces and enhances the CloudWatch log group source while updating both WAF and CloudTrail log tables to support the new source. Key changes include:

• Adding CloudWatch log group source metadata in WAF and CloudTrail tables.
• Implementing the CloudWatch log group source and its collection state with incremental log processing.
• Updating documentation and dependency management (go.mod) to support the new source.

Reviewed Changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
tables/waf_traffic_log/waf_traffic_log_table.go	Added CloudWatch log group source metadata for WAF logs.
tables/cloudtrail_log/cloudtrail_log_table.go	Added CloudWatch log group source metadata for CloudTrail logs.
sources/cloudwatch_log_group/cloudwatch_log_group_source_config.go	Validates configuration for CloudWatch log group source.
sources/cloudwatch_log_group/cloudwatch_log_group_source.go	Implements log collection and filtering logic for CloudWatch log groups.
sources/cloudwatch_log_group/cloudwatch_log_group_collection_state.go	Implements collection state logic for CloudWatch log groups.
go.mod	Added dependency on AWS CloudWatch Logs SDK.
docs/*	Updated documentation with examples for the new CloudWatch log group source.
aws/plugin.go	Registers the new CloudWatch log group source.