stacker
Easily assemble CloudFormation stacks with interdependencies.
Usage
$ stacker -h
Commands:
stacker diff [STACK_NAME] # Show outstanding stack differences
stacker dump [STACK_NAME] # Download stack template
stacker fmt [STACK_NAME] # Re-format template JSON
stacker help [COMMAND] # Describe available commands or one specific command
stacker init [PATH] # Create stacker project directories
stacker list # List stacks
stacker show STACK_NAME # Show details of a stack
stacker status [STACK_NAME] # Show stack status
stacker update [STACK_NAME] # Create or update stack
Options:
[--path=project path] # Default: STACKER_PATH or './'
[--region=AWS region name] # Default: STACKER_REGION or 'us-east-1'
[--allow-destructive=allow destructive updates], [--no-allow-destructive]Examples
Project Structure
acme-cloudformation
|-- regions
| |-- us-east-1.yml
| `-- us-west-1.yml
`-- templates
|-- API.json
|-- Database.json
|-- PrivateSubnets.json
|-- PublicSubnets.json
`-- VPC.json
Region File
---
defaults:
parameters:
AmiImageId: 'ami-1234abcd'
CidrBlock: '10.0'
VPCId:
Stack: VPC
Output: VPCId # depend on an output from another stack
InternetGateway:
Stack: VPC
Output: InternetGateway
PublicSubnets:
- Stack: PublicSubnetA
Output: SubnetId
- Stack: PublicSubnetB
Output: SubnetId
- Stack: PublicSubnetC
Output: SubnetId
stacks:
- name: VPC
- name: PublicSubnetA
template_name: PublicSubnet
parameters:
AZ: us-east-1a
- name: PublicSubnetB
template_name: PublicSubnet
parameters:
AZ: us-east-1b
- name: PublicSubnetC
template_name: PublicSubnet
parameters:
AZ: us-east-1c
- name: PrivateSubnets
- name: API
capabilities: 'CAPABILITY_IAM' # give permission to create IAM resources
parameters:
ChefRunList: 'role[api]'
- name: DBPrimary
parameters:
ChefRunList: 'role[db-primary]'
InstanceImageId: 'ami-d3adb33f'
SubnetId:
Stack: PublicSubnetA
Output: SubnetId
template_name: Database # use template with a different name
- name: DBReplica
parameters:
ChefRunList: 'role[db-replica]'
template_name: Database
Authors
Martin Cozzi (martin@cotap.com) and Evan Owen (evan@cotap.com)
License
(The MIT License)
© 2016 Cotap, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.