puppet-heartbeat

This module manages heartbeat installation, configuration and resources creation. This module assume that two machines in HA configuration have same network address on the same interfaces.

Install

    class {'heartbeat':
      debugfile     => '/var/log/ha.debug',
      logfile       => '/var/log/ha.log',
      logfacility   => 'local0',
      keepalive     => 2,
      warntime      => 5,
      deadtime      => 10,
      initdead      => 60,
      udpport       => 694,
      interface     => 'eth0',
      ip_address    => '192.168.1.1', #if not specified, ip address of selected interface will be used
      auto_failback => false,
      crm           => false,
      authkey       => 'XXXXX',
      tag           => $cluster,
      monitor       => true,
      logrotate     => true,
    }

This class install and configure heartbeat. After, it export a fragment:

    concat_fragment {'ha.cf_$identifiers':
        content => inline_template('node <%= hostname %>'),
        tag     => "HB_node_$tag",
    }

and import exported resources

• type Heartbeat::Interface tagged with HB_interface_$tag and where hostname != $hostname
• type concat_fragment tagged with HB_node_$tag

Add interface to check.

This define add interface to the heartbeat monitor.

    heartbeat::add_interface {'eth0':
      interface =>  'eth0',         #if not specified <name> will be used
      address   =>  '192.168.X.X'   #if not specified ip address of specified interface will be used
    }

this define export a define configuration's fragment like this

    @@heartbeat::interface {
      interface   => eth0,
      address     => '192.168.X.X',
      node        => $hostname,
      tag         => HB_interface_$tag,
    }

Adding resources

Add VIP

This define add a VIP address to resources managed by heartbeat

    heartbeat::VIP { 'VIP_name':
      vip       => '192.168.1.X',
      netmask   => 24,
      interface => 'eth0',
      bcast     => '192.168.1.255',
      pref_node => 'botolo01',
      mail      => 'notifiche@softecspa.it',
    }

Example

We have two node on which we want to manage VIP 192.168.1.100/24 on interface eth0 in HA. For strong reliability heartbeat monitor two interfaces. Suppose to have this two nodes:

• example01. eth0: 192.168.1.1 - eth1 172.16.1.1
• example02. eth0: 192.168.1.2 - eth1 172.16.1.2

Prefered node will be example01. We install heartbeat with all default params

    node clusterexample {
      # we install and configure heartbeat and VIP resource on both nodes
      $cluster = 'example'
      include heartbeat

      heartbeat::VIP {'192.168.1.100':
        vip       => '192.168.1.100',
        netmask   => 24,
        interface => 'eth0',
        bcast     => '192.168.1.255',
        pref_node => 'example01'
      }

      # we add interface to monitor using default. resource name will be recognised as interface name (eth0), interface address will be used (eth0_address)
      heartbeat::add_interface {'eth0':}
    }

    # If default params is not good for us, we add interface/address in each nodes

    node example01 inherts clusterexample {
      heartbeat::add_interface {'eth1':
        interface   => 'eth1',
        address     => '172.16.1.1',
      }
    }

    node example02 inherts clusterexample {
      heartbeat::add_interface {'eth1':
        interface   => 'eth1',
        address     => '172.16.1.2',
      }
    }