Sceptre is a tool to drive Cloud Natice IaC tooling such as AWS CloudFormation, Google Deployment Manager and Azure Resource Manager. It automates the mundane, repetitive and error-prone tasks, enabling you to concentrate on building better infrastructure.
$ pip install sceptre-core
More information on installing sceptre can be found in our Installation Guide
Sceptre organises Stacks into "Stack Groups". Each Stack is represented by a
YAML configuration file stored in a directory which represents the Stack Group.
Here, we have two Stacks, vpc and subnets, in a Stack Group named dev:
$ tree
.
├── config
│ └── dev
│ ├── config.yaml
│ ├── subnets.yaml
│ └── vpc.yaml
└── templates
├── subnets.py
└── vpc.py
Sceptre can be used from the CLI (see sceptre-cli), or imported as a Python
package.
Using Sceptre as a Python module is very straightforward. You need to create a SceptreContext, which tells Sceptre where your project path is and which path you want to execute on, we call this the "command path".
After you have created a SceptreContext you need to pass this into a SceptrePlan. On instantiation the SceptrePlan will handle all the required steps to make sure the action you wish to take on the command path are resolved.
After you have instantiated a SceptrePlan you can access all the actions you can
take on a Stack, such as validate(), launch(), list() and delete().
from sceptre.context import SceptreContext
from sceptre.plan.plan import SceptrePlan
context = SceptreContext("/path/to/project", "command_path")
plan = SceptrePlan(context)
plan.launch()Full API reference documentation can be found in the Documentation
View our Docker repository.
To use our Docker image follow these instructions:
-
Pull the image
docker pull cloudreach/sceptre-core:[SCEPTRE_VERSION_NUMBER]e.g.docker pull cloudreach/sceptre-core:x.x.x. Leave out the version number if you wish to runlatestor rundocker pull cloudreach/sceptre-core:latest. -
Run the image. You will need to mount the working directory where your project resides to a directory called
project. You will also need to mount a volume with your Provider config to your docker container. E.g.
If you want to use a custom ENTRYPOINT simply amend the Docker command:
docker run -ti --entrypoint='' cloudreach/sceptre-core:latest sh
The above command will enter you into the shell of the Docker container where you can execute sceptre commands - useful for development.
If you have any other environment variables in your non-docker shell you will
need to pass these in on the Docker CLI using the -e flag. See Docker
documentation on how to achieve this.
See our Contributing Guide
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