# Chaos Toolkit Kubernetes Support
[](https://travis-ci.org/chaostoolkit/chaostoolkit-kubernetes)
This project contains activities, such as probes and actions, you can call from
your experiment through the Chaos Toolkit.
## Install
To be used from your experiment, this package must be installed in the Python
environment where [chaostoolkit][] already lives.
[chaostoolkit]: https://github.com/chaostoolkit/chaostoolkit
```
$ pip install chaostoolkit-kubernetes
```
## Usage
To use the probes and actions from this package, add the following to your
experiment file:
```json
{
"name": "all-our-microservices-should-be-healthy",
"provider": {
"type": "python",
"module": "chaosk8s.probes",
"func": "microservice_available_and_healthy",
"arguments": {
"name": "myapp",
"ns": "myns"
}
}
},
{
"type": "action",
"name": "terminate-db-pod",
"provider": {
"type": "python",
"module": "chaosk8s.pod.actions",
"func": "terminate_pods",
"arguments": {
"label_selector": "app=my-app",
"name_pattern": "my-app-[0-9]$",
"rand": true,
"ns": "default"
}
},
"pauses": {
"after": 5
}
}
```
That's it! Notice how the action gives you the way to kill one pod randomly.
Please explore the code to see existing probes and actions.
### Discovery
You may use the Chaos Toolkit to discover the capabilities of this extension:
```
$ chaos discover chaostoolkit-kubernetes --no-install
```
## Configuration
This extension to the Chaos Toolkit can use the Kubernetes configuration
found at the usual place in your HOME directory under `~/.kube/`. You can
also pass the credentials via secrets as follows:
```json
{
"secrets": {
"kubernetes": {
"KUBERNETES_HOST": "http://somehost",
"KUBERNETES_API_KEY": {
"type": "env",
"key": "SO%E_ENV_VAR"
}
}
}
}
```
Then in your probe or action:
```json
{
"name": "all-our-microservices-should-be-healthy",
"provider": {
"type": "python",
"module": "chaosk8s.probes",
"func": "microservice_available_and_healthy",
"secrets": ["kubernetes"],
"arguments": {
"name": "myapp",
"ns": "myns"
}
}
}
```
## 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, add appropriate 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
[](https://travis-ci.org/chaostoolkit/chaostoolkit-kubernetes)
This project contains activities, such as probes and actions, you can call from
your experiment through the Chaos Toolkit.
## Install
To be used from your experiment, this package must be installed in the Python
environment where [chaostoolkit][] already lives.
[chaostoolkit]: https://github.com/chaostoolkit/chaostoolkit
```
$ pip install chaostoolkit-kubernetes
```
## Usage
To use the probes and actions from this package, add the following to your
experiment file:
```json
{
"name": "all-our-microservices-should-be-healthy",
"provider": {
"type": "python",
"module": "chaosk8s.probes",
"func": "microservice_available_and_healthy",
"arguments": {
"name": "myapp",
"ns": "myns"
}
}
},
{
"type": "action",
"name": "terminate-db-pod",
"provider": {
"type": "python",
"module": "chaosk8s.pod.actions",
"func": "terminate_pods",
"arguments": {
"label_selector": "app=my-app",
"name_pattern": "my-app-[0-9]$",
"rand": true,
"ns": "default"
}
},
"pauses": {
"after": 5
}
}
```
That's it! Notice how the action gives you the way to kill one pod randomly.
Please explore the code to see existing probes and actions.
### Discovery
You may use the Chaos Toolkit to discover the capabilities of this extension:
```
$ chaos discover chaostoolkit-kubernetes --no-install
```
## Configuration
This extension to the Chaos Toolkit can use the Kubernetes configuration
found at the usual place in your HOME directory under `~/.kube/`. You can
also pass the credentials via secrets as follows:
```json
{
"secrets": {
"kubernetes": {
"KUBERNETES_HOST": "http://somehost",
"KUBERNETES_API_KEY": {
"type": "env",
"key": "SO%E_ENV_VAR"
}
}
}
}
```
Then in your probe or action:
```json
{
"name": "all-our-microservices-should-be-healthy",
"provider": {
"type": "python",
"module": "chaosk8s.probes",
"func": "microservice_available_and_healthy",
"secrets": ["kubernetes"],
"arguments": {
"name": "myapp",
"ns": "myns"
}
}
}
```
## 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, add appropriate 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
1 maintainer
Metadata
1 maintainer
Release files for chaostoolkit-kubernetes 0.11.0
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