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cfn-tail's Introduction

cfn-tail

cfn-tail is a NodeJS command line tool to follow the events of a AWS CloudFormation stack.

The region to use is determined by the environment variable AWS_DEFAULT_REGION.

Installation

To install cfn-tail open a terminal and issue: npm install -g cfn-tail

Usage

To follow stack events type cfn-tail <stackname> in a shell.

You have to provide the desired AWS region using the AWS_DEFAULT_REGION environment variable or using the --region option.

cfn-tail --region eu-west-1 <stackname>

Logging will stop if the stack creation or update completes or fails.

Optional Arguments

  • --retryMs <number> specifies the value in milliseconds to use for custom exponential backoff; defaults to 700. Use this option if you frequently experience API throttling errors.
  • --color <bool> specifies whether to colorize the output; defaults to true

Contribute

Feel free to open issues, provide code improvements or updates to the documentation.

License

The script is licensed under the MIT license and provided as-is.

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