9bcd0f1712
The libvirt service needs startup scripts installed by the package before it can start, so make sure the package is installed first. Change-Id: I2d03f50a8d633b2d7a273736857da8fe46593a37
274 lines
8.7 KiB
Puppet
274 lines
8.7 KiB
Puppet
# == Class: nova::compute::libvirt
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#
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# Install and manage nova-compute guests managed
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# by libvirt
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#
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# === Parameters:
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#
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# [*ensure_package*]
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# (optional) The state of nova packages
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# Defaults to 'present'
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#
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# [*libvirt_virt_type*]
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# (optional) Libvirt domain type. Options are: kvm, lxc, qemu, uml, xen
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# Defaults to 'kvm'
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#
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# [*vncserver_listen*]
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# (optional) IP address on which instance vncservers should listen
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# Defaults to '127.0.0.1'
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#
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# [*migration_support*]
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# (optional) Whether to support virtual machine migration
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# Defaults to false
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#
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# [*libvirt_cpu_mode*]
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# (optional) The libvirt CPU mode to configure. Possible values
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# include custom, host-model, none, host-passthrough.
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# Defaults to 'host-model' if libvirt_virt_type is set to either
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# kvm or qemu, otherwise defaults to 'none'.
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#
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# [*libvirt_cpu_model*]
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# (optional) The named libvirt CPU model (see names listed in
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# /usr/share/libvirt/cpu_map.xml). Only has effect if
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# cpu_mode="custom" and virt_type="kvm|qemu".
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# Defaults to undef
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#
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# [*libvirt_disk_cachemodes*]
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# (optional) A list of cachemodes for different disk types, e.g.
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# ["file=directsync", "block=none"]
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# If an empty list is specified, the disk_cachemodes directive
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# will be removed from nova.conf completely.
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# Defaults to an empty list
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#
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# [*libvirt_hw_disk_discard*]
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# (optional) Discard option for nova managed disks. Need Libvirt(1.0.6)
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# Qemu1.5 (raw format) Qemu1.6(qcow2 format).
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# Defaults to $::os_service_default
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#
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# [*libvirt_inject_password*]
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# (optional) Inject the admin password at boot time, without an agent.
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# Defaults to false
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#
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# [*libvirt_inject_key*]
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# (optional) Inject the ssh public key at boot time.
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# Defaults to false
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#
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# [*libvirt_inject_partition*]
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# (optional) The partition to inject to : -2 => disable, -1 => inspect
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# (libguestfs only), 0 => not partitioned, >0 => partition
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# number (integer value)
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# Defaults to -2
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#
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# [*remove_unused_base_images*]
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# (optional) Should unused base images be removed?
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# If undef is specified, remove the line in nova.conf
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# otherwise, use a boolean to remove or not the base images.
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# Defaults to undef
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#
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# [*remove_unused_kernels*]
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# (optional) Should unused kernel images be removed?
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# This is only safe to enable if all compute nodes
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# have been updated to support this option.
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# If undef is specified, remove the line in nova.conf
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# otherwise, use a boolean to remove or not the kernels.
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# Defaults to undef
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#
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# [*remove_unused_resized_minimum_age_seconds*]
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# (optional) Unused resized base images younger
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# than this will not be removed
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# If undef is specified, remove the line in nova.conf
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# otherwise, use a integer or a string to define after
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# how many seconds it will be removed.
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# Defaults to undef
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#
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# [*remove_unused_original_minimum_age_seconds*]
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# (optional) Unused unresized base images younger
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# than this will not be removed
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# If undef is specified, remove the line in nova.conf
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# otherwise, use a integer or a string to define after
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# how many seconds it will be removed.
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# Defaults to undef
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#
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# [*libvirt_service_name*]
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# (optional) libvirt service name.
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# Defaults to $::nova::params::libvirt_service_name
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#
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# [*compute_driver*]
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# (optional) Compute driver.
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# Defaults to 'libvirt.LibvirtDriver'
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#
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class nova::compute::libvirt (
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$ensure_package = 'present',
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$libvirt_virt_type = 'kvm',
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$vncserver_listen = '127.0.0.1',
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$migration_support = false,
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$libvirt_cpu_mode = false,
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$libvirt_cpu_model = undef,
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$libvirt_disk_cachemodes = [],
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$libvirt_hw_disk_discard = $::os_service_default,
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$libvirt_inject_password = false,
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$libvirt_inject_key = false,
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$libvirt_inject_partition = -2,
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$remove_unused_base_images = undef,
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$remove_unused_kernels = undef,
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$remove_unused_resized_minimum_age_seconds = undef,
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$remove_unused_original_minimum_age_seconds = undef,
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$libvirt_service_name = $::nova::params::libvirt_service_name,
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$compute_driver = 'libvirt.LibvirtDriver'
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) inherits nova::params {
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include ::nova::deps
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include ::nova::params
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Service['libvirt'] -> Service['nova-compute']
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# libvirt_cpu_mode has different defaults depending on hypervisor.
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if !$libvirt_cpu_mode {
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case $libvirt_virt_type {
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'kvm','qemu': {
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$libvirt_cpu_mode_real = 'host-model'
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}
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default: {
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$libvirt_cpu_mode_real = 'none'
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}
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}
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} else {
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$libvirt_cpu_mode_real = $libvirt_cpu_mode
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}
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if($::osfamily == 'Debian') {
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package { "nova-compute-${libvirt_virt_type}":
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ensure => $ensure_package,
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tag => ['openstack', 'nova-package'],
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}
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}
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if($::osfamily == 'RedHat' and $::operatingsystem != 'Fedora') {
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service { 'messagebus':
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ensure => running,
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enable => true,
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name => $::nova::params::messagebus_service_name,
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provider => $::nova::params::special_service_provider,
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}
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Package['libvirt'] -> Service['messagebus'] -> Service['libvirt']
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}
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if $migration_support {
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if $vncserver_listen != '0.0.0.0' and $vncserver_listen != '::0' {
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fail('For migration support to work, you MUST set vncserver_listen to \'0.0.0.0\' or \'::0\'')
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} else {
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include ::nova::migration::libvirt
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}
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}
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if $::osfamily == 'RedHat' {
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package { 'libvirt-nwfilter':
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ensure => present,
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name => $::nova::params::libvirt_nwfilter_package_name,
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before => Service['libvirt'],
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tag => ['openstack', 'nova-support-package'],
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}
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case $libvirt_virt_type {
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'qemu': {
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$libvirt_package_name_real = "${::nova::params::libvirt_daemon_package_prefix}kvm"
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}
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default: {
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$libvirt_package_name_real = "${::nova::params::libvirt_daemon_package_prefix}${libvirt_virt_type}"
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}
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}
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} else {
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$libvirt_package_name_real = $::nova::params::libvirt_package_name
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}
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package { 'libvirt':
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ensure => present,
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name => $libvirt_package_name_real,
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tag => ['openstack', 'nova-support-package'],
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}
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service { 'libvirt' :
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ensure => running,
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enable => true,
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name => $libvirt_service_name,
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provider => $::nova::params::special_service_provider,
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require => Package['libvirt'],
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}
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nova_config {
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'DEFAULT/compute_driver': value => $compute_driver;
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'vnc/vncserver_listen': value => $vncserver_listen;
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'libvirt/virt_type': value => $libvirt_virt_type;
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'libvirt/cpu_mode': value => $libvirt_cpu_mode_real;
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'libvirt/inject_password': value => $libvirt_inject_password;
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'libvirt/inject_key': value => $libvirt_inject_key;
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'libvirt/inject_partition': value => $libvirt_inject_partition;
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'libvirt/hw_disk_discard': value => $libvirt_hw_disk_discard;
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}
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# cpu_model param is only valid if cpu_mode=custom
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# otherwise it should be commented out
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if $libvirt_cpu_mode_real == 'custom' {
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validate_string($libvirt_cpu_model)
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nova_config {
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'libvirt/cpu_model': value => $libvirt_cpu_model;
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}
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} else {
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nova_config {
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'libvirt/cpu_model': ensure => absent;
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}
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if $libvirt_cpu_model {
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warning('$libvirt_cpu_model requires that $libvirt_cpu_mode => "custom" and will be ignored')
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}
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}
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if size($libvirt_disk_cachemodes) > 0 {
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nova_config {
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'libvirt/disk_cachemodes': value => join($libvirt_disk_cachemodes, ',');
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}
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} else {
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nova_config {
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'libvirt/disk_cachemodes': ensure => absent;
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}
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}
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if $remove_unused_kernels != undef {
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nova_config {
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'libvirt/remove_unused_kernels': value => $remove_unused_kernels;
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}
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} else {
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nova_config {
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'libvirt/remove_unused_kernels': ensure => absent;
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}
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}
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if $remove_unused_resized_minimum_age_seconds != undef {
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nova_config {
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'libvirt/remove_unused_resized_minimum_age_seconds': value => $remove_unused_resized_minimum_age_seconds;
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}
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} else {
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nova_config {
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'libvirt/remove_unused_resized_minimum_age_seconds': ensure => absent;
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}
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}
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if $remove_unused_base_images != undef {
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nova_config {
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'DEFAULT/remove_unused_base_images': value => $remove_unused_base_images;
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}
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} else {
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nova_config {
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'DEFAULT/remove_unused_base_images': ensure => absent;
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}
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}
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if $remove_unused_original_minimum_age_seconds != undef {
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nova_config {
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'DEFAULT/remove_unused_original_minimum_age_seconds': value => $remove_unused_original_minimum_age_seconds;
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}
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} else {
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nova_config {
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'DEFAULT/remove_unused_original_minimum_age_seconds': ensure => absent;
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}
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}
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}
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