Chaos Toolkit Driver for Spring Chaos.
Project description
# Chaos Toolkit Driver for Spring Chaos.
[![Python versions](https://img.shields.io/pypi/pyversions/chaostoolkit-spring.svg)](https://www.python.org/) [![Build Status](https://travis-ci.org/chaostoolkit-incubator/chaostoolkit-spring.svg?branch=master)](https://travis-ci.org/chaostoolkit-incubator/chaostoolkit-spring)
This project is a collection of [actions][] and [probes][], gathered as an
extension to the [Chaos Toolkit][chaostoolkit].
[actions]: http://chaostoolkit.org/reference/api/experiment/#action
[probes]: http://chaostoolkit.org/reference/api/experiment/#probe
[chaostoolkit]: http://chaostoolkit.org
## Install
This package requires Python 3.5+
To be used from your experiment, this package must be installed in the Python
environment where [chaostoolkit][] already lives.
```
$ pip install -U chaostoolkit-spring
```
## Usage
Currently this driver supports interactions with a [Spring Boot-based](https://spring.io/projects/spring-boot) service that has included the [2.0.0.-SNAPSHOT](https://codecentric.github.io/chaos-monkey-spring-boot/2.0.0-SNAPSHOT/) release of the [Chaos Monkey for Spring Boot](https://github.com/codecentric/chaos-monkey-spring-boot). This snapshot includes the necessary Spring Boot Actuator HTTP endpoints so that the Chaos Toolkit to interact with the chaos features at runtime.
Once you have [added the Chaos Monkey for Spring Boot](https://codecentric.github.io/chaos-monkey-spring-boot/2.0.0-SNAPSHOT/#getting-started) and [enabled the Spring Boot Actuator HTTP endpoints](https://codecentric.github.io/chaos-monkey-spring-boot/2.0.0-SNAPSHOT/#endpoints) you can then use the probes and actions from this driver.
To use the probes and actions from this package, add the following to your
experiment file:
```json
{
"name": "enable_chaosmonkey",
"provider": {
"arguments": {
"base_url": "http://localhost:8080/actuator"
},
"func": "enable_chaosmonkey",
"module": "chaosspring.actions",
"type": "python"
},
"type": "action"
}
```
This will interact with the specified service and enable the Chaos Monkey features. You can also turn off the Chaos Monkey if you wish by specifying the following action:
```json
{
"name": "disable_chaosmonkey",
"provider": {
"arguments": {
"base_url": "http://localhost:8080/actuator"
},
"func": "disable_chaosmonkey",
"module": "chaosspring.actions",
"type": "python"
},
"type": "action"
}
```
You can then manipulate the [Chaos Monkey assaults](https://codecentric.github.io/chaos-monkey-spring-boot/2.0.0-SNAPSHOT/#assaults) active on your service by specifing the following action:
```json
{
"name": "configure_assaults",
"provider": {
"arguments": {
"base_url": "http://localhost:8080/actuator",
"assaults_configuration": {
"level": 5,
"latencyRangeStart": 2000,
"latencyRangeEnd": 5000,
"latencyActive": false,
"exceptionsActive": false,
"killApplicationActive": true,
"restartApplicationActive": false
}
},
"func": "change_assaults_configuration",
"module": "chaosspring.actions",
"type": "python"
},
"type": "action"
}
```
That's it!
Please explore the code to use further probes and actions.
## Contribute
If you wish to contribute more functions to this package, you are more than
welcome to do so. Please, fork this project, make your changes following the
usual [PEP 8][pep8] code style, sprinkling with tests and submit a PR for
review.
[pep8]: https://pycodestyle.readthedocs.io/en/latest/
The Chaos Toolkit projects require all contributors must sign a
[Developer Certificate of Origin][dco] on each commit they would like to merge
into the master branch of the repository. Please, make sure you can abide by
the rules of the DCO before submitting a PR.
[dco]: https://github.com/probot/dco#how-it-works
### Develop
If you wish to develop on this project, make sure to install the development
dependencies. But first, [create a virtual environment][venv] and then install
those dependencies.
[venv]: http://chaostoolkit.org/reference/usage/install/#create-a-virtual-environment
```console
$ pip install -r requirements-dev.txt -r requirements.txt
```
Then, point your environment to this directory:
```console
$ python setup.py develop
```
Now, you can edit the files and they will be automatically be seen by your
environment, even when running from the `chaos` command locally.
### Test
To run the tests for the project execute the following:
```
$ pytest
```
[![Python versions](https://img.shields.io/pypi/pyversions/chaostoolkit-spring.svg)](https://www.python.org/) [![Build Status](https://travis-ci.org/chaostoolkit-incubator/chaostoolkit-spring.svg?branch=master)](https://travis-ci.org/chaostoolkit-incubator/chaostoolkit-spring)
This project is a collection of [actions][] and [probes][], gathered as an
extension to the [Chaos Toolkit][chaostoolkit].
[actions]: http://chaostoolkit.org/reference/api/experiment/#action
[probes]: http://chaostoolkit.org/reference/api/experiment/#probe
[chaostoolkit]: http://chaostoolkit.org
## Install
This package requires Python 3.5+
To be used from your experiment, this package must be installed in the Python
environment where [chaostoolkit][] already lives.
```
$ pip install -U chaostoolkit-spring
```
## Usage
Currently this driver supports interactions with a [Spring Boot-based](https://spring.io/projects/spring-boot) service that has included the [2.0.0.-SNAPSHOT](https://codecentric.github.io/chaos-monkey-spring-boot/2.0.0-SNAPSHOT/) release of the [Chaos Monkey for Spring Boot](https://github.com/codecentric/chaos-monkey-spring-boot). This snapshot includes the necessary Spring Boot Actuator HTTP endpoints so that the Chaos Toolkit to interact with the chaos features at runtime.
Once you have [added the Chaos Monkey for Spring Boot](https://codecentric.github.io/chaos-monkey-spring-boot/2.0.0-SNAPSHOT/#getting-started) and [enabled the Spring Boot Actuator HTTP endpoints](https://codecentric.github.io/chaos-monkey-spring-boot/2.0.0-SNAPSHOT/#endpoints) you can then use the probes and actions from this driver.
To use the probes and actions from this package, add the following to your
experiment file:
```json
{
"name": "enable_chaosmonkey",
"provider": {
"arguments": {
"base_url": "http://localhost:8080/actuator"
},
"func": "enable_chaosmonkey",
"module": "chaosspring.actions",
"type": "python"
},
"type": "action"
}
```
This will interact with the specified service and enable the Chaos Monkey features. You can also turn off the Chaos Monkey if you wish by specifying the following action:
```json
{
"name": "disable_chaosmonkey",
"provider": {
"arguments": {
"base_url": "http://localhost:8080/actuator"
},
"func": "disable_chaosmonkey",
"module": "chaosspring.actions",
"type": "python"
},
"type": "action"
}
```
You can then manipulate the [Chaos Monkey assaults](https://codecentric.github.io/chaos-monkey-spring-boot/2.0.0-SNAPSHOT/#assaults) active on your service by specifing the following action:
```json
{
"name": "configure_assaults",
"provider": {
"arguments": {
"base_url": "http://localhost:8080/actuator",
"assaults_configuration": {
"level": 5,
"latencyRangeStart": 2000,
"latencyRangeEnd": 5000,
"latencyActive": false,
"exceptionsActive": false,
"killApplicationActive": true,
"restartApplicationActive": false
}
},
"func": "change_assaults_configuration",
"module": "chaosspring.actions",
"type": "python"
},
"type": "action"
}
```
That's it!
Please explore the code to use further probes and actions.
## Contribute
If you wish to contribute more functions to this package, you are more than
welcome to do so. Please, fork this project, make your changes following the
usual [PEP 8][pep8] code style, sprinkling with tests and submit a PR for
review.
[pep8]: https://pycodestyle.readthedocs.io/en/latest/
The Chaos Toolkit projects require all contributors must sign a
[Developer Certificate of Origin][dco] on each commit they would like to merge
into the master branch of the repository. Please, make sure you can abide by
the rules of the DCO before submitting a PR.
[dco]: https://github.com/probot/dco#how-it-works
### Develop
If you wish to develop on this project, make sure to install the development
dependencies. But first, [create a virtual environment][venv] and then install
those dependencies.
[venv]: http://chaostoolkit.org/reference/usage/install/#create-a-virtual-environment
```console
$ pip install -r requirements-dev.txt -r requirements.txt
```
Then, point your environment to this directory:
```console
$ python setup.py develop
```
Now, you can edit the files and they will be automatically be seen by your
environment, even when running from the `chaos` command locally.
### Test
To run the tests for the project execute the following:
```
$ pytest
```
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