Metadata-Version: 2.1
Name: kr8s
Version: 0.12.5
Summary: A Kubernetes API library
Author-email: Jacob Tomlimson <jacob@tomlinson.email>
License: BSD-3-Clause
License-File: LICENSE
Keywords: kubectl,kubernetes
Classifier: Programming Language :: Python :: 3
Requires-Python: >=3.8
Requires-Dist: aiohttp>=3.8.4
Requires-Dist: anyio>=3.7.0
Requires-Dist: cryptography>=35
Requires-Dist: httpx>=0.24.1
Requires-Dist: python-box>=7.0.1
Requires-Dist: python-jsonpath>=0.7.1
Requires-Dist: pyyaml>=6.0
Description-Content-Type: text/markdown

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A simple, extensible Python client library for Kubernetes that feels familiar for folks who already know how to use `kubectl`.

## Highlights

- API inspired by `kubectl` to reduce developer learning curve.
- [Sensible defaults](https://docs.kr8s.org/en/stable/authentication.html) to reduce boiler plate.
- No swagger generated code, human readable code only.
- Also has an [asynchronous API](https://docs.kr8s.org/en/stable/asyncio.html) that can be used with `asyncio` and `trio`.
- [Client caching](https://docs.kr8s.org/en/stable/client.html#client-caching) to reduce passing API objects around.
- Batteries included by providing [useful utilities and methods](https://docs.kr8s.org/en/stable/examples/pod_operations.html) inspired by `kubectl`.

## Quickstart

### Installation

```console
$ pip install kr8s
```

## Examples

See the [Examples Documentation](https://docs.kr8s.org/en/stable/examples/) for a full set of examples including `asyncio` examples.

### List Nodes

Print out all of the node names in the cluster.

```python
import kr8s

for node in kr8s.get("nodes"):
    print(node.name)
```

### Create a Pod

Create a new Pod.

```python
from kr8s.objects import Pod

pod = Pod({
        "apiVersion": "v1",
        "kind": "Pod",
        "metadata": {
            "name": "my-pod",
        },
        "spec": {
            "containers": [{"name": "pause", "image": "gcr.io/google_containers/pause",}]
        },
    })

pod.create()
```

### Scale a Deployment

Scale the Deployment `metrics-server` in the Namespace `kube-system` to `1` replica.

```python
from kr8s.objects import Deployment

deploy = Deployment.get("metrics-server", namespace="kube-system")
deploy.scale(1)
```

### List Pods by label selector

Get all Pods from all Namespaces matching a label selector.

```python
import kr8s

selector = {'component': 'kube-scheduler'}

for pod in kr8s.get("pods", namespace=kr8s.ALL, label_selector=selector):
    print(pod.namespace, pod.name)
```

### Add a label to a Pod

Add the label `foo` with the value `bar` to an existing Pod.

```python
from kr8s.objects import Pod

pod = Pod("kube-apiserver", namespace="kube-system")
pod.label({"foo": "bar"})
```

### Cordon a Node

Cordon a Node to mark it as unschedulable.

```python
from kr8s.objects import Node

node = Node("k8s-node-1")

node.cordon()
# Is equivalent to
# node.patch({"spec": {"unschedulable": True}})
```
