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# virtual/vserver.pp -- manage vserver specifica
# Copyright (C) 2007 David Schmitt <david@schmitt.edv-bus.at>
# See LICENSE for the full license granted to you.
modules_dir{ "virtual/contexts": }
class vserver::host {
package { [ 'util-vserver', debootstrap ]: ensure => installed, }
file {
"/usr/local/bin/build_vserver":
source => "puppet://$servername/virtual/build_vserver",
mode => 0755, owner => root, group => root,
require => [ Package['util-vserver'], Package[debootstrap],
# this comes from dbp module and is the most current puppet deb
File["/var/lib/puppet/modules/dbp/puppet_current.deb"] ];
"/etc/vservers/local-interfaces/":
ensure => directory,
mode => 0755, owner => root, group => root;
}
}
define vs_create($in_domain, $legacy = false) {
$vs_name = $legacy ? { true => $name, false => $in_domain ? { '' => $name, default => "${name}.${in_domain}" } }
case $vs_name { '': { fail ( "Cannot create VServer with empty name" ) } }
case $legacy {
true: {
exec { "/usr/local/bin/build_vserver \"${vs_name}\" \"${in_domain}\"":
creates => "/etc/vservers/${vs_name}",
require => File["/usr/local/bin/build_vserver"],
alias => "vs_create_${vs_name}"
}
}
false: {
exec { "/usr/local/bin/build_vserver \"${vs_name}\" \"\"":
creates => "/etc/vservers/${vs_name}",
require => File["/usr/local/bin/build_vserver"],
alias => "vs_create_${vs_name}"
}
}
}
}
# ensure: present, stopped, running
define vserver($ensure, $context, $in_domain = '', $mark = '', $legacy = false) {
case $in_domain { '': {}
default: { err("${fqdn}: vserver ${name} uses deprecated \$in_domain" ) }
}
$vs_name = $legacy ? { true => $name, false => $in_domain ? { '' => $name, default => "${name}.${in_domain}" } }
$if_dir = "/etc/vservers/${vs_name}/interfaces/"
$mark_file = "/etc/vservers/${vs_name}/apps/init/mark"
case $vs_name { '': { fail ( "Cannot create VServer with empty name" ) } }
# TODO: wasn't there a syntax for using arrays as case selectors??
case $ensure {
present: { vs_create{$name: in_domain => $in_domain, legacy => $legacy, } }
running: { vs_create{$name: in_domain => $in_domain, legacy => $legacy, } }
stopped: { vs_create{$name: in_domain => $in_domain, legacy => $legacy, } }
default: { err("${fqdn}: vserver(${vs_name}): unknown ensure '${ensure}'") }
}
file {
$if_dir:
ensure => directory, checksum => mtime,
require => Exec["vs_create_${vs_name}"];
}
config_file {
"/etc/vservers/${vs_name}/context":
content => "${context}\n",
notify => Exec["vs_restart_${vs_name}"],
require => Exec["vs_create_${vs_name}"];
# create illegal configuration, when two vservers have the same context
# number
"/var/lib/puppet/modules/virtual/contexts/${context}":
content => "\n";
"/etc/vservers/${vs_name}/uts/nodename":
content => "${vs_name}\n",
notify => Exec["vs_restart_${vs_name}"],
require => Exec["vs_create_${vs_name}"];
"/etc/vservers/${vs_name}/name":
content => "${vs_name}\n",
# Changing this needs no restart
# notify => Exec["vs_restart_${vs_name}"],
require => Exec["vs_create_${vs_name}"];
}
case $ensure {
stopped: {
exec { "vserver ${vs_name} stop":
onlyif => "test -e \$(readlink -f /etc/vservers/${vs_name}/run || echo /doesntexist )",
require => Exec["vs_create_${vs_name}"],
# fake the restart exec in the stopped case, so the dependencies are fulfilled
alias => "vs_restart_${vs_name}",
}
file { $mark_file: ensure => absent, }
}
running: {
exec { "vserver ${vs_name} start":
unless => "test -e \$(readlink -f /etc/vservers/${vs_name}/run)",
require => Exec["vs_create_${vs_name}"],
}
exec { "vserver ${vs_name} restart":
refreshonly => true,
require => Exec["vs_create_${vs_name}"],
alias => "vs_restart_${vs_name}",
subscribe => File[$if_dir],
}
case $mark {
'': {
err("${fqdn}: vserver ${vs_name} set to running, but won't be started on reboot without mark!")
file { $mark_file: ensure => absent, }
}
default: {
config_file { "/etc/vservers/${vs_name}/apps/init/mark":
content => "${mark}\n",
require => Exec["vs_create_${vs_name}"],
}
}
}
}
}
}
# Changeing stuff with this define won't do much good, since it relies on
# restarting the vservers to do the work, which won't clean up orphaned
# interfaces
define vs_interface($prefix = 24, $dev = '') {
file {
"/etc/vservers/local-interfaces/${name}/":
ensure => directory,
mode => 0755, owner => root, group => root;
"/etc/vservers/local-interfaces/${name}/ip":
content => "${name}\n",
mode => 0644, owner => root, group => root;
"/etc/vservers/local-interfaces/${name}/prefix":
content => "${prefix}\n",
mode => 0644, owner => root, group => root;
}
case $dev {
'': {
file {
"/etc/vservers/local-interfaces/${name}/nodev":
ensure => present,
mode => 0644, owner => root, group => root;
"/etc/vservers/local-interfaces/${name}/dev":
ensure => absent;
}
}
default: {
config_file { "/etc/vservers/local-interfaces/${name}/dev": content => $dev, }
file { "/etc/vservers/local-interfaces/${name}/nodev": ensure => absent, }
}
}
}
define vs_ip($vserver, $ip, $ensure) {
err("$fqdn is using deprecated vs_ip instead of vs_ip_binding for $name")
vs_ip_binding { $name: vserver => $vserver, ip => $ip, ensure => $ensure }
}
define vs_ip_binding($vserver, $ip, $ensure) {
case $ensure {
connected: {
file { "/etc/vservers/${vserver}/interfaces/${name}":
ensure => "/etc/vservers/local-interfaces/${ip}/",
require => [ File["/etc/vservers/local-interfaces/${ip}/"], Exec["vs_create_${vserver}"] ],
notify => Exec["vs_restart_${vserver}"],
}
}
disconnected: {
file { "/etc/vservers/${vserver}/interfaces/${name}":
ensure => absent,
# TODO: fix message:
# warning: //ic/vs_ip[mailman_00]/File[/etc/vservers/mailman/interfaces/mailman_00]: Exec[vserver mailman restart] still depend on me -- not deleting
# notify => Exec["vs_restart_${vserver}"],
}
}
default: {
err( "${fqdn}: vs_ip: ${vserver} -> ${ip}: unknown ensure: '${ensure}'" )
}
}
}
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