https://github.com/jimmidyson/configmap-reload

Simple binary to trigger a reload when a Kubernetes ConfigMap is updated
https://github.com/jimmidyson/configmap-reload

Last synced: about 2 months ago
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Simple binary to trigger a reload when a Kubernetes ConfigMap is updated

• Host: GitHub
• URL: https://github.com/jimmidyson/configmap-reload
• Owner: jimmidyson
• License: apache-2.0
• Created: 2016-08-11T11:06:41.000Z (about 8 years ago)
• Default Branch: main
• Last Pushed: 2024-06-13T11:36:31.000Z (3 months ago)
• Last Synced: 2024-06-20T15:49:13.934Z (3 months ago)
• Language: Go
• Homepage:
• Size: 748 KB
• Stars: 945
• Watchers: 22
• Forks: 190
• Open Issues: 17
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.txt

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README

        
# Kubernetes ConfigMap Reload

[![license](https://img.shields.io/github/license/jimmidyson/configmap-reload.svg?maxAge=2592000)](https://github.com/jimmidyson/configmap-reload)

[![Docker Stars](https://img.shields.io/docker/stars/jimmidyson/configmap-reload.svg?maxAge=2592000)](https://hub.docker.com/r/jimmidyson/configmap-reload/)

[![Docker Pulls](https://img.shields.io/docker/pulls/jimmidyson/configmap-reload.svg?maxAge=2592000)](https://hub.docker.com/r/jimmidyson/configmap-reload/)

**configmap-reload** is a simple binary to trigger a reload when Kubernetes ConfigMaps or Secrets, mounted into pods,

are updated.

It watches mounted volume dirs and notifies the target process that the config map has been changed.

It currently only supports sending an HTTP request, but in future it is expected to support sending OS

(e.g. SIGHUP) once Kubernetes supports pod PID namespaces.

Since version v0.10, the Docker image is available from ghcr.io at .

Previous versons are available from Docker Hub at 

### Usage

```

Usage of ./out/configmap-reload:

  -volume-dir value

        the config map volume directory to watch for updates; may be used multiple times

  -web.listen-address string

    	  address to listen on for web interface and telemetry. (default ":9533")

  -web.telemetry-path string

    	  path under which to expose metrics. (default "/metrics")

  -webhook-method string

        the HTTP method url to use to send the webhook (default "POST")

  -webhook-status-code int

        the HTTP status code indicating successful triggering of reload (default 200)

  -webhook-url string

        the url to send a request to when the specified config map volume directory has been updated

  -webhook-retries integer

        the amount of times to retry the webhook reload request

```

### License

This project is [Apache Licensed](LICENSE.txt)