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class munin {

class default_client { munin::client { default_munin_node: } }
class default_vserver_client { munin::vserver_client { vserver_munin_node: } }

define client ($port = 4949, $bindhost = "fqdn")
{
  munin::plugin {
    apt: ensure => absent;
    [ apt_all, df_abs ]: ;
  }

  munin::base { base:
    port => $port,
    bindhost => $bindhost,
  }
}

define vserver_client ($port = 4949, $bindhost = "fqdn")
{
  munin::plugin {
    [ apt, cpu, df, df_abs, df_inode, entropy, forks, interrupts, iostat,
      irqstats, load, memory, open_files, open_inodes, swap
    ]:
    ensure => absent;
    [ apt_all, netstat, processes]: ;
  }

  munin::base { base:
    port => $port,
    bindhost => $bindhost,
  }
}

define base ($port = 4949, $bindhost = "fqdn")
{
  package { "munin-node":
    ensure => installed
  }
  replace { set_munin_node_port:
    file => "/etc/munin/munin-node.conf",
    pattern => "^port (?!$port)[0-9]*.*",
    replacement => "port $port",
    notify => Service[munin-node],
    require => Package[munin-node],
  }

  $real_bindhost = $bindhost ? {
    "fqdn" => $fqdn,
    default => $bindhost
  }
#  debug("Using bindhost $real_bindhost for $fqdn")
#
#  replace { set_munin_node_bindhost:
#    file => "/etc/munin/munin-node.conf",
#    pattern => "^host (?!$real_bindhost).*",
#    replacement => "host $real_bindhost",
#    notify => Service[munin-node],
#    require => Package[munin-node],
#  }

  line { allow_munin_host:
    file => "/etc/munin/munin-node.conf",
    line => "allow ^$munin_host$",
    ensure => present,
    notify => Service[munin-node],
    require => Package[munin-node],
  }

  line { set_fqdn:
    file => "/etc/munin/munin-node.conf",
    line => "host_name $fqdn",
    ensure => present,
    notify => Service[munin-node],
    require => Package[munin-node],
  }


  @@file { "munin_def_${real_bindhost}_$port": path => "${NODESDIR}/$fqdn",
  ensure => present,
  content => "[$fqdn]\n\taddress $real_bindhost\n\tport $port\n\n",
  }

  file {
    "/etc/munin/plugins":
    checksum => mtime, ensure => directory,
    require => Package[munin-node];
    "/etc/munin/munin-node.conf":
    checksum => md5,
    require => Package[munin-node],
  }

  service { munin-node:
    ensure => running,
    subscribe => [ Package["munin-node"],
    File["/etc/munin/plugins"],
    File["/etc/munin/munin-node.conf"],
#    Exec[exec_set_munin_node_bindhost],
    Exec[exec_set_munin_node_port] ]
  }
}

$NODESDIR="/var/local/puppet/munin-nodes"

class host {
  package { [munin]:
    ensure => installed
  }

  # Collect all the exported files from the nodes
  File <<||>>   

  # monitor this file for updates
  $munin_includes = "$splice_dir/munin_conf_includes"
  file { $munin_includes: checksum => md5, }

  exec { create_munin_includes:
    command => "/bin/sh -c '/bin/cat $NODESDIR/* > $munin_includes'",
    subscribe => File[$NODESDIR],
  }

  # create munin.conf
  file_splice { munin_conf_includes:
    file => "/etc/munin/munin.conf",
    input_file => "$splice_dir/munin_conf_includes",
    require => Exec[create_munin_includes],
    subscribe => File[$munin_includes],
  }
}

define plugin ($ensure = "present", $script_path = "/usr/share/munin/plugins") {
  debug ( "munin_plugin: name=$name, ensure=$ensure, script_path=$script_path" )
  $plugin = "/etc/munin/plugins/$name"
  case $ensure {
    "absent": {
      debug ( "munin_plugin: suppressing $plugin" )
    file { $plugin: ensure => absent, }
  }
  "present": {
    debug ( "munin_plugin: making $plugin using default $name" )
    file { $plugin:
      ensure => "$script_path/$name",
      require => Package[munin-node],
      notify => Service[munin-node],
    }
  }
  default: {
    debug ( "munin_plugin: making $plugin using $ensure" )
    file { $plugin:
      ensure => "$script_path/$ensure",
      require => Package[munin-node],
      notify => Service[munin-node],
    }
  }
}
}


}