cfn-monitor

A tool for monitoring the progress of AWS CloudFormation stack events during
the creation or update of a stack.

Usage

To start monitoring the events of a stack, just pipe the output of the awscli
create-stack, update-stack, delete-stack or cloudformation deploy command
to cfn-monitor:

``bash
aws cloudformation create-stack [...] | cfn-monitor
aws cloudformation update-stack [...] | cfn-monitor
aws cloudformation delete-stack [...] | cfn-monitor
aws cloudformation deploy [...] | cfn-monitor
`

Alternatively, you can provide one or more CloudFormation stack ARNs as command line arguments:
`bash
cfn-monitor \
arn:aws:cloudformation:eu-west-1:123456789123:stack/sample/f3e822e2-1204-4805-ac46-f06fb9f90c67 \
arn:aws:cloudformation:eu-west-1:123456789123:stack/another/2cb70a0f-377e-4aff-ae7a-a27ebf725e1a
`

You can also combine them both to see updates from multiple stacks:
`bash
aws cloudformation create-stack [...] | cfn-monitor \
arn:aws:cloudformation:eu-west-1:123456789123:stack/sample/f3e822e2-1204-4805-ac46-f06fb9f90c67 \
`

Finally, you can call cfn-monitor without any input or arguments to start monitoring
all stacks that have active operations:
`bash
cfn-monitor
`

$3


`
$ aws cloudformation create-stack --stack-name data-bucket --template-body file://data-bucket-stack.yaml | cfn-monitor
data-bucket 2017-07-08T17:22:46.196Z CREATE_IN_PROGRESS AWS::CloudFormation::Stack data-bucket (Reason: User Initiated)
data-bucket 2017-07-08T17:22:49.934Z CREATE_IN_PROGRESS AWS::S3::Bucket DataBucket
data-bucket 2017-07-08T17:22:51.748Z CREATE_IN_PROGRESS AWS::S3::Bucket DataBucket (Reason: Resource creation Initiated)
data-bucket 2017-07-08T17:23:12.640Z CREATE_COMPLETE AWS::S3::Bucket DataBucket
data-bucket 2017-07-08T17:23:16.317Z CREATE_COMPLETE AWS::CloudFormation::Stack data-bucket
``

!Demo GIF

Ideas

* Exit value to reflect the result of the operation (success / failure)