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# virtual/vserver.pp -- manage vserver specifics
# 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 {
# make sure we have the ability to query for lsbdistcodename
include assert_lsbdistcodename
$utilvserver_version = $lsbdistcodename ? {
etch => "0.30.216~r2772-4~bpo40+2",
lenny => latest,
default => latest,
}
package {
"util-vserver":
ensure => $utilvserver_version;
debootstrap:
ensure => installed
}
file {
"/etc/vservers":
ensure => directory,
require => Package["util-vserver"];
"/etc/vservers/local-interfaces/":
ensure => directory,
mode => 0755, owner => root, group => root,
require => File["/etc/vservers"];
}
file {
"/usr/local/bin/build_vserver":
source => "puppet://$server/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;
"/etc/cron.daily/vserver-hashify":
source => "puppet://$server/virtual/hashify.cron.daily",
mode => 0755, owner => root, group => root;
}
}
define vs_create($in_domain, $context, $legacy = false, $distro = 'etch', $debootstrap_mirror = 'http://ftp.debian.org/debian') {
$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 { "/bin/false # cannot create legacy vserver ${vs_name}":
creates => "/etc/vservers/${vs_name}",
alias => "vs_create_${vs_name}"
}
}
false: {
exec { "/usr/local/bin/build_vserver \"${vs_name}\" ${context} ${distro} ${debootstrap_mirror}":
creates => "/etc/vservers/${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, $distro = 'etch') {
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}" } }
case $vs_name { '': { fail ( "Cannot create VServer with empty name" ) } }
$if_dir = "/etc/vservers/${vs_name}/interfaces"
$mark_file = "/etc/vservers/${vs_name}/apps/init/mark"
# TODO: wasn't there a syntax for using arrays as case selectors??
case $ensure {
present: { vs_create{$name: in_domain => $in_domain, context => $context, legacy => $legacy, distro => $distro, } }
running: { vs_create{$name: in_domain => $in_domain, context => $context, legacy => $legacy, distro => $distro, } }
stopped: { vs_create{$name: in_domain => $in_domain, context => $context, legacy => $legacy, distro => $distro, } }
delete: { vs_create{$name: in_domain => $in_domain, context => $context, legacy => $legacy, distro => $distro, } }
default: { err("${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 => "${vs_name}\n",
require => Exec["vs_create_${vs_name}"];
}
case $ensure {
present: {
# don't start or stop the vserver, just make sure it exists, we just run a dummy status test here
exec { "test -e \$(readlink -f /etc/vservers/${vs_name}/vdir)":
require => Exec["vs_create_${vs_name}"],
alias => "vs_restart_${vs_name}",
}
}
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, }
}
delete: {
exec { "/usr/bin/yes | vserver ${vs_name} delete":
alias => "vs_restart_${vs_name}",
}
}
running: {
exec { "vserver ${vs_name} start":
unless => "test -e \$(readlink -f /etc/vservers/${vs_name}/run)",
require => [ Exec["vs_create_${vs_name}"], File["/etc/vservers/${vs_name}/context"] ]
}
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}"],
}
}
}
}
}
}
# Changing 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/${name}":
ensure => absent,
}
}
default: {
err( "${fqdn}: vs_ip: ${vserver} -> ${ip}: unknown ensure: '${ensure}'" )
}
}
}
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