# virtual/xen.pp -- XEN specifica
# Copyright (C) 2007 David Schmitt <david@schmitt.edv-bus.at>
# See LICENSE for the full license granted to you.

class munin::plugins::xen {
	munin::remoteplugin {
		xen_mem:	
			source => "puppet://$server/virtual/munin/xen_mem",
			config => "user root";
		xen_vm:
			source => "puppet://$server/virtual/munin/xen_vm",
			config => "user root";
	}
}

class xen::domain {
    case $operatingsystem {
        debian: { include xen::domain::debian }
        centos: { include xen::domain::centos }
        default: { include xen::domain::base }
    }
}

class xen::domain::base {
    service{ 'xend':
        ensure => running,
        enable => true,
        hasstatus => true,
    }

    case $xen_domains {
        '0': { info("No xen domains are running, so not configuring service xendomains") } 
        default: {
            service{ 'xendomains':
                ensure => running,
                enable => true,
                hasstatus => true,
            }
        }
    }

    file{'/etc/xen/xend-config.sxp':
        source => [ "puppet://$server/files/virtual/xen/${fqdn}/config/xend-config.sxp",
                    "puppet://$server/files/virtual/xen/config/${domain}/xend-config.sxp",
                    "puppet://$server/files/virtual/xen/config/${operatingsystem}/xend-config.sxp",
                    "puppet://$server/files/virtual/xen/config/xend-config.sxp",
                    "puppet://$server/virtual/xen/config/${operatingsystem}/xend-config.sxp",
                    "puppet://$server/virtual/xen/config/xend-config.sxp" ],
        notify => Service['xend'],
        owner => root, group => 0, mode => 0644;
    }
} 

class xen::domain::centos inherits xen::domain::base {
    package{ 'kernel-xen':
        ensure => present,
    }

    Service[xend]{
        require => Package['kernel-xen'],
    }

    file{'/etc/sysconfig/xend':
        source => "puppet://$server/virtual/xen/${operatingsystem}/sysconfig/xend",
        notify => Service['xend'],
        owner => root, group => 0, mode => 0644;
    }

    file{'/etc/sysconfig/xendomains':
        source => "puppet://$server/virtual/xen/${operatingsystem}/sysconfig/xendomains",
        owner => root, group => 0, mode => 0644;
    }

    case $xen_domains {
        '0': { info("No xen domains are running, so not configuring service xendomains") } 
        default: {
            Service[xendomains]{
                require => Package['kernel-xen'],
            }
            File['/etc/sysconfig/xendomains']{
                notify => Service[xendomains] 
            }
        }
    } 
}

class xen::domain::debian inherits xen::domain::base {
  "$xen-linux-system" = ? {
    amd64 => xen-linux-system-2.6.26-1-xen-amd64,
    i386 => xen-linux-system-2.6.26-1-xen-686
  }

  package {
    "$xen-linux-system":
      ensure => present,
      alias => "xen-linux-system";
  }

  # fix '4gb seg fixup'
  # http://wiki.xensource.com/xenwiki/XenFaq#head-e05786f1e0d6a833bc146a6096cab2d96f2b30ae
  config_file {
    "/etc/ld.so.conf.d/libc6-xen.conf":
      content => "hwcap 0 nosegneg\n",
      require => Package["xen-linux-system"],
      notify => Exec["ldconfig"];
  }

  exec {
    "/sbin/ldconfig":
       refreshonly => true;
  }
}


class xen::dom0 inherits xen::domain { 
    case $operatingsystem {
        debian: { include xen::dom0::debian }
        centos: { include xen::dom0::centos }
        default: { include xen::dom0::base }
    }
}

class xen::dom0::base {}

class xen::dom0::centos inherits xen::dom0::base {
    package{ [ "xen", "xen-libs"]:
        ensure => present,
    }
}

class xen::dom0::debian inherits xen::dom0::base {
  package {
    "xen-tools":
      ensure => present;
  }
}