add the virtual module

1 files changed, 194 insertions, 0 deletions

diff --git a/manifests/vserver.pp b/manifests/vserver.pp
new file mode 100644
index 0000000..42c1fdf
--- /dev/null
+++ b/manifests/vserver.pp
@@ -0,0 +1,194 @@
+# 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}'" )
+		}
+	}
+}