Merge pull request #78 from forward3d/multi-az_check

update README and CHANGELOG

CHANGELOG.mdown

@@ -1,6 +1,12 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [1.0.4] - 2021-3-10
+### Changed
+- `check_multi_az`:
+- Support for excluding databases based on specific cloudformation tags ("Key": "multi_az", "Value": "false")
+- Exclude aurora-mysql and aurora-postgresql engine types
+
 ## [1.0.3] - 2019-08-09
 ### Changed
 - Run `apk upgrade --no-cache` in Dockerfile runtime container

README.mdown

@@ -10,7 +10,7 @@ This is a part of the [Garrison](https://github.com/forward3d/garrison) security
 | `check_backup_retention` | Alerts if the backup retention is less than the configured threshold. |
 | `check_encryption` | Alerts if encryption is not enabled for an RDS instance. |
 | `check_engine_version` | Alerts if the engine version is not the latest available. *(Aurora not supported)* |
-| `check_multi_az` | Alerts if the database is not setup for multi az support. *(Aurora not supported)* |
+| `check_multi_az` | Alerts if the database is not setup for multi az support. *(Aurora, aurora-mysql, and aurora-postgresql not supported)* |
 
 ### Installation & Example
 
@@ -69,3 +69,13 @@ Some checks provided by this agent have extra configuration options.
 | Environmental Variable | Default |
 | ------------- | ------------- |
 | `GARRISON_RDS_THRESHOLD` | `7` |
+
+#### `check_multi_az`
+
+Databases tagged with `multi_az = false` will be excluded from the checks, e.g.:
+ tags [
+ {
+ "Key": "multi_az",
+ "Value": "false"
+ }
+ ]