hpc_ha

Table of Contents

1. Overview
2. Module Description
3. Setup
   • What hpc_ha affects
   • Setup requirements
   • Beginning with hpc_ha
4. Usage
5. Limitations
6. Development

Overview

Configure High-Availability resources while relying on hpc-config data.

Module Description

This modules extends features from the keepalived module. It relies on network configuration data coming from hpc-config.

Setup

What hpc_ha affects

Configure keepalived resources and sets-up notify scripts in /etc/hpc_ha.

Setup Requirements

This module uses stdlib, hpclib and keepalived.

Beginning with hpc_ha

Usage

  class{ '::hpc_ha':
    vips => {
      'service' => {
        net_id      => 'wan',
        ip_address  => '172.16.3.4',
        router_id   => '342',
        auth_secret => 'S3CRET',
        master      => true,
        priority    => 100,
        prefix      => 'cl',
      }
    },
    vservs => {
      'service' => {
        ip_address        => '172.16.3.4',
        port              => '22',
        real_server_hosts => [ 'clservice1', 'clservice2' ],
        prefixes          => 'wan',
        network           => 'wan',
        vip_name          => 'public',
      } 
    }

Limitations

This module is mainly tested on Debian, but is meant to also work with RHEL and derivatives.

Development

Patches and issues can be submitted on GitHub: https://github.com/edf-hpc/puppet-hpc