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AWS CloudFormation
User Guide (API Version 2010-05-15)

Release History for AWS CloudFormation Helper Scripts

The following table describes the changes to the aws-cfn-bootstrap package, which contains the AWS CloudFormation helper scripts.

Note

The AWS CloudFormation helper scripts are preinstalled on Amazon Linux AMI images. The download packages listed in the table apply to other Linux/Unix distributions and Microsoft Windows (2008 or later). To learn how to use the helper scripts, see CloudFormation Helper Scripts Reference.

You can also download the latest version of the helper scripts at the following links. These links redirect to the most recent version of the helper scripts listed in the table below.

Version Release Date Change Description Download Packages

1.4-30 (Latest; recommended)

3/21/2018

  • Added additional retries on specific network errors.

  • Improved cfn-hup logging.

1.4-29

2/12/2018

Extending support for newer AWS regions.

1.4-27

1/24/2018

Extending support for newer AWS regions.

1.4-24,

1.4-26

10/12/2017

Fixed an incompatibility for customers using an older version of Python.

1.4-23

10/3/2017

  • Fixed datetime serialization issue.

  • Fixed issue logging non-ASCII characters.

1.4-22

9/14/2017

Changed umask default value from 0 to 0022.

1.4-21

8/31/2017

Added the umask parameter for the cfn-hup daemon, with a default value of 0.

1.4-20

8/2/2017

  • Set 0700 permissions to the /var/lib/cfn-hup/data directory.

  • Set 0700 permissions to the /var/lib/cfn-init directory.

  • Ensure that we remove all permissions for group and world whenever we update the metadata_db.json and resume_db.json files.

1.4-19

7/20/2017

  • Changed the data format stored into metadata_db and resume_db files from shelf to JSON.

  • Set 0600 permissions to the /var/lib/cfn-init directory.