| Name | deckhouse-sdk JSON |
| Version |
0.4.3
JSON |
| download |
| home_page | |
| Summary | Python SDK for Shell Operator hooks |
| upload_time | 2023-02-02 14:51:25 |
| maintainer | |
| docs_url | None |
| author | Eugene Shevchenko |
| requires_python | >=3.7.2,<4.0.0 |
| license | Apache-2.0 |
| keywords |
|
| VCS |
|
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
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| coveralls test coverage |
No coveralls.
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# Deckhouse module SDK
Deckhouse module SDK simplifies writing module hooks for operators:
- [Deckhouse](https://github.com/deckhouse/deckhouse)
- [Addon Operator](https://github.com/flant/addon-operator)
- [Shell Operator](https://github.com/flant/shell-operator) (values are unaccessable)
**NOTE**:
- The API is in alpha stage
## Install
```bash
pip install deckhouse-sdk
```
## Sample hook
```python
# hello.py
from deckhouse_sdk import hook
def main(ctx: hook.Context):
# Manipulate kubernetes state
# ... object = { "kind" : "Pod", "apiVersion" : "v1", ... }
ctx.kubernetes.create_or_update(object)
# Export metrics
# ... metric = { "name" : "power", "group": "my_hook", "set" : 9000, ... }
ctx.metrics.collect(metric)
# Use in-memory values for helm chart. Shell Operator does not support values, but Addon Operator and Deckhouse do.
ctx.values.myModule.deployment.replicas = 5
if __name__ == "__main__":
hook.run(main, configpath="hello.yaml") # 'config' arg is also supported for raw string
```
```yaml
# hello.yaml
configVersion: v1
onStartup: 10
```
## How to test
An example for pytest
```python
# hello_test.py
from hello import main
from deckhouse_sdk import hook
# Inputs
# initial_values = { ... }
# binding_context = [ { ... } ]
# Outputs
# expected_metrics = [ ... ]
# expected_kube_operations = [ ... ]
# expected_values_patches = [ ... ]
# expected_values = { ... }
def test_hello():
out = hook.testrun(main, binding_context, initial_values)
assert out.metrics.data == expected_metrics
assert out.kube_operations.data == expected_kube_operations
assert out.values_patches.data == expected_values_patches
assert out.values.myModule.deployment.repicas == 5
```
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"description": "# Deckhouse module SDK\n\nDeckhouse module SDK simplifies writing module hooks for operators:\n\n- [Deckhouse](https://github.com/deckhouse/deckhouse)\n- [Addon Operator](https://github.com/flant/addon-operator)\n- [Shell Operator](https://github.com/flant/shell-operator) (values are unaccessable)\n\n**NOTE**:\n- The API is in alpha stage\n\n\n## Install\n\n```bash\npip install deckhouse-sdk\n```\n\n## Sample hook\n\n```python\n# hello.py\nfrom deckhouse_sdk import hook\n\ndef main(ctx: hook.Context):\n # Manipulate kubernetes state\n # ... object = { \"kind\" : \"Pod\", \"apiVersion\" : \"v1\", ... }\n ctx.kubernetes.create_or_update(object)\n\n # Export metrics\n # ... metric = { \"name\" : \"power\", \"group\": \"my_hook\", \"set\" : 9000, ... }\n ctx.metrics.collect(metric)\n\n # Use in-memory values for helm chart. Shell Operator does not support values, but Addon Operator and Deckhouse do.\n ctx.values.myModule.deployment.replicas = 5\n\n\nif __name__ == \"__main__\":\n hook.run(main, configpath=\"hello.yaml\") # 'config' arg is also supported for raw string\n```\n\n```yaml\n# hello.yaml\nconfigVersion: v1\nonStartup: 10\n```\n\n## How to test\n\nAn example for pytest\n\n```python\n# hello_test.py\n\nfrom hello import main\nfrom deckhouse_sdk import hook\n\n# Inputs\n# initial_values = { ... }\n# binding_context = [ { ... } ]\n# Outputs\n# expected_metrics = [ ... ]\n# expected_kube_operations = [ ... ]\n# expected_values_patches = [ ... ]\n# expected_values = { ... }\n\ndef test_hello():\n out = hook.testrun(main, binding_context, initial_values)\n\n assert out.metrics.data == expected_metrics\n assert out.kube_operations.data == expected_kube_operations\n assert out.values_patches.data == expected_values_patches\n\n assert out.values.myModule.deployment.repicas == 5\n```\n",
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