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https://github.com/alantang888/k8s-old-pod-killer
This application can help to kill deployment/statefulset/daemonset pod, when pod age (don't care container age) older than config age, then this application will kill that.
https://github.com/alantang888/k8s-old-pod-killer
Last synced: about 1 month ago
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This application can help to kill deployment/statefulset/daemonset pod, when pod age (don't care container age) older than config age, then this application will kill that.
- Host: GitHub
- URL: https://github.com/alantang888/k8s-old-pod-killer
- Owner: alantang888
- Created: 2021-06-15T11:46:48.000Z (over 3 years ago)
- Default Branch: master
- Last Pushed: 2021-09-07T16:36:48.000Z (over 3 years ago)
- Last Synced: 2023-08-29T15:16:19.507Z (over 1 year ago)
- Language: Go
- Size: 24.4 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
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Metadata Files:
- Readme: README.md
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README
# K8S Old Pod Killer
-----
[](https://quay.io/repository/alantang888/k8s-old-pod-killer)
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This application can help to kill deployment/statefulset/daemonset pod,
when pod age (don't care container age) older than config age, then this application will kill that.
# Config file
This application use config file to control how it runs and what to kill.
You can set env var `CONFIG_PATH` to indicate where is config file. Default it will read on `/config/config.yaml`.
Config file **will not** hot reload. It only parse once when application start.
Config structure:
| Key | Type | Description |
|------------------|---------------|----------------------------------------------------------------------|
| dryrun | bool | If `true` will not delete pod |
| batch_mode | bool | If `true` application will only run once then exit |
| default_interval | time.Duration | When TargetInfo's interval < 10s, will use this value. Min value 10s |
| targets | []TargetInfo | Target information, read TargetInfo structure for more information |
TargetInfo structure:
| Key | Type |Description |
|----------------|---------------|--------------------------------------------------------------------------------------------------------------------------------|
| Kind | string | K8S kind. Only support `deployment`/`statefulset`/`daemonset` |
| name_space | string | K8S namespace for kind |
| name | string | K8S kind name |
| max_life | time.Duration | When pod age older than this value, this application will try to kill it |
| interval | time.Duration | How often to run perform check on this target, Min value 10s. Lower than this or not set, will apply config's default_interval |
| batch_max_kill | int64 | How many pod can kill on single iteration. This won't override PodDisruptionBudget |
There a example [config file](/example/example_config.yaml)
# K8S Permission
This application require below permission:
- Get Deployment
- Get StatefulSet
- Get DaemonSet
- List Pods
- Create pod eviction (This application use eviction to delete pod)
# Helm Chart
[Helm Chart](https://github.com/alantang888/helm-charts/tree/master/charts/k8s-old-pod-killer)