PowerDNS Admin Proxy

This application serves as a reverse proxy for the PowerDNS Admin service. It forwards incoming HTTP requests to a specified backend and also provides metrics and logging capabilities.

Prerequisites

• Go 1.21 or higher
• Git

Installation

1. Clone the repository:

   git clone https://github.com/supporttools/powerdns-admin-proxy.git

2. Change to the directory:

   cd powerdns-admin-proxy

3. Edit Helm values

   vi ./charts/powerdns-admin-proxy/values.yaml

   NOTE: You will need to change the backendUrl to the URL of your PowerDNS Admin service and the ingress host to the hostname of your PowerDNS Admin service.

4. Install Helm chart:

   helm upgrade --install pdns-proxy -n powerdns --create-namespace ./charts/powerdns-admin-proxy

Configuration

The application can be configured using environment variables.

• PORT: The port where the proxy listens for incoming HTTP requests. Default is 8080.
• BACKEND_URL: The URL of the backend service where requests will be forwarded. Default is http://powerdns-server:8081.
• DEBUG: Enable debug logging. Set this to true to enable.

For example:

export PORT=8080
export BACKEND_URL=http://powerdns-server:8081
export DEBUG=true

Build

To build the application:

go build -o powerdns-admin-proxy

This will compile the code and generate an executable named powerdns-admin-proxy.

Run

After building, you can run the application as follows:

./powerdns-admin-proxy

Metrics

Prometheus metrics are available at http://localhost:9000/metrics.

Health Check

A simple health check endpoint is available at http://localhost:8080/healthz.

Debugging

Debugging logs are enabled by setting the DEBUG environment variable to true.

License

This project is licensed under the Apache License, Version 2.0. See LICENSE for the full license text.