Add ability to specify additional security groups (cloudposse#59)

fix: respect timeout_action from scaling_configuration (cloudposse#60)

* fix: respect timeout_action from scaling_configuration

`timeout_action` isn't passed through to the `aws_rds_cluster` resource when specified at the module level. This PR will fix that.

* add timeout_action to scaling_configuration variable

Use the latest label module to support the environment attribute (clo…

…udposse#58)

Backtrack (cloudposse#57)

* Adding backtrack option for RDS cluster

* Adding backtrack option for RDS cluster

* Adding backtrack option for RDS cluster

* Adding backtrack option for RDS cluster

Adding global cluster support, IAM roles support (cloudposse#56)

* Adding global cluster support, IAM roles support

* making docs and running fmt

* making docs and running fmt, with tf 12

Convert to TF 0.12. Add tests. Add Codefresh test pipeline (cloudposs…

…e#53)

* Convert to TF 0.12. Add tests. Add Codefresh test pipeline

* Convert to TF 0.12. Add tests. Add Codefresh test pipeline

* Convert to TF 0.12. Add tests. Add Codefresh test pipeline

* Convert to TF 0.12. Add tests. Add Codefresh test pipeline

* Convert to TF 0.12. Add tests. Add Codefresh test pipeline

* Convert to TF 0.12. Add tests. Add Codefresh test pipeline

Add cluster and reader DNS names (cloudposse#49)

* Add cluster and reader DNS names

* Update README

Added delete protection (cloudposse#48)

* Added delete protection

* Added delete protection

* Fix output

* Fix output

* Fix output

* Fix output

* Fix output

* Rename arn

* Added dbi_resources_ids output

* Added dbi_resources_ids output

* Output cluster resource id

* Fix formatting

added instance availability zone (cloudposse#47)

* Squashed commit of the following:

commit ddb166ecd2f41fc31bba35efecc406846b3e7850
Author: Divyam Khandelwal <[email protected]>
Date:   Thu Feb 28 16:40:02 2019 +0530

    pushed sql

commit 46a87fd33a35461462fde74cbd73fc05d329d768
Merge: 51da030 bc9fa99
Author: Divyam Khandelwal <[email protected]>
Date:   Wed Feb 27 17:03:27 2019 +0530

    Merge branch 'master' of https://gitlab.com/niki-infra/dev.niki.ai into feature/nc-1561

commit 51da03098ee9962c97fa47dcf4191693051f06ba
Author: Divyam Khandelwal <[email protected]>
Date:   Wed Feb 27 16:02:28 2019 +0530

    Deployed eks

* rds preferred az

* Updated Readme

* Update variables.tf

Co-Authored-By: rverma-nikiai <[email protected]>

* Updated Readme

* Updated fmt

Adding parameters kms_key_id and enabled_cloudwatch_logs_exports (clo…

…udposse#46)

* Adding parameters to support kms_key_id and enabled_cloudwatch_logs_exports

* Updating readme and terraform.md with new values