openstack/puppet-nova
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c5fd57ddba61bfcc188f17950cd53e17cf5461c2
puppet-nova/manifests/init.pp
Takashi Kajinami c5fd57ddba Remove deprecated cinder parameters 
This change removes the deprecated cinder parameters from the nova
classes, because these were all deprecated before Zed release.

This also makes the nova::cinder class removes all credential
parameters in case the password parameter is unset, because these are
useless unless the password parameter is given.

Change-Id: I4fbd1c23c1fec1310675dd69491626c0f98e3dda
2022-11-21 16:00:43 +09:00

683 lines
26 KiB
Puppet
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# == Class: nova
#
# This class is used to specify configuration parameters that are common
# across all nova services.
#
# === Parameters:
#
# [*ensure_package*]
# (optional) The state of nova packages
# Defaults to 'present'
#
# [*default_transport_url*]
# (optional) A URL representing the messaging driver to use and its full
# configuration. Transport URLs take the form:
# transport://user:pass@host1:port[,hostN:portN]/virtual_host
# Defaults to $::os_service_default
#
# [*rpc_response_timeout*]
# (Optional) Seconds to wait for a response from a call. (integer value)
# Defaults to $::os_service_default.
#
# [*long_rpc_timeout*]
# (Optional) An alternative timeout value for RPC calls that have
# the potential to take a long time.
# Defaults to $::os_service_default.
#
# [*control_exchange*]
# (Optional) The default exchange under which topics are scoped. May be
# overridden by an exchange name specified in the transport_url
# option.
# Defaults to $::os_service_default
#
# [*rabbit_use_ssl*]
# (optional) Boolean. Connect over SSL for RabbitMQ. (boolean value)
# Defaults to $::os_service_default
#
# [*rabbit_ha_queues*]
# (optional) Use HA queues in RabbitMQ. (boolean value)
# Defaults to $::os_service_default
#
# [*rabbit_heartbeat_timeout_threshold*]
# (optional) Number of seconds after which the RabbitMQ broker is considered
# down if the heartbeat keepalive fails. Any value >0 enables heartbeats.
# Heartbeating helps to ensure the TCP connection to RabbitMQ isn't silently
# closed, resulting in missed or lost messages from the queue.
# Requires kombu >= 3.0.7 and amqp >= 1.4.0. (integer value)
# Defaults to $::os_service_default
#
# [*rabbit_heartbeat_rate*]
# (optional) How often during the rabbit_heartbeat_timeout_threshold period
# to check the heartbeat on RabbitMQ connection.
# i.e. rabbit_heartbeat_rate=2 when rabbit_heartbeat_timeout_threshold=60,
# the heartbeat will be checked every 30 seconds. (integer value)
# Defaults to $::os_service_default
#
# [*rabbit_heartbeat_in_pthread*]
# (Optional) EXPERIMENTAL: Run the health check heartbeat thread
# through a native python thread. By default if this
# option isn't provided the health check heartbeat will
# inherit the execution model from the parent process. By
# example if the parent process have monkey patched the
# stdlib by using eventlet/greenlet then the heartbeat
# will be run through a green thread.
# Defaults to $::os_service_default
#
# [*rabbit_retry_interval*]
# (Optional) How frequently to retry connecting with RabbitMQ.
# (integer value)
# Defaults to $::os_service_default
#
# [*kombu_ssl_ca_certs*]
# (optional) SSL certification authority file (valid only if SSL enabled).
# (string value)
# Defaults to $::os_service_default
#
# [*kombu_ssl_certfile*]
# (optional) SSL cert file (valid only if SSL enabled). (string value)
# Defaults to $::os_service_default
#
# [*kombu_ssl_keyfile*]
# (optional) SSL key file (valid only if SSL enabled). (string value)
# Defaults to $::os_service_default
#
# [*kombu_ssl_version*]
# (optional) SSL version to use (valid only if SSL enabled).
# Valid values are TLSv1, SSLv23 and SSLv3. SSLv2 may be
# available on some distributions. (string value)
# Defaults to $::os_service_default
#
# [*kombu_reconnect_delay*]
# (optional) How long to wait before reconnecting in response to an AMQP
# consumer cancel notification. (floating point value)
# Defaults to $::os_service_default
#
# [*kombu_failover_strategy*]
# (Optional) Determines how the next RabbitMQ node is chosen in case the one
# we are currently connected to becomes unavailable. Takes effect only if
# more than one RabbitMQ node is provided in config. (string value)
# Defaults to $::os_service_default
#
# [*kombu_compression*]
# (optional) Possible values are: gzip, bz2. If not set compression will not
# be used. This option may not be available in future versions. EXPERIMENTAL.
# (string value)
# Defaults to $::os_service_default
#
# [*amqp_durable_queues*]
# (optional) Define queues as "durable" to rabbitmq. (boolean value)
# Defaults to $::os_service_default
#
# [*amqp_server_request_prefix*]
# (Optional) Address prefix used when sending to a specific server
# Defaults to $::os_service_default.
#
# [*amqp_broadcast_prefix*]
# (Optional) address prefix used when broadcasting to all servers
# Defaults to $::os_service_default.
#
# [*amqp_group_request_prefix*]
# (Optional) address prefix when sending to any server in group
# Defaults to $::os_service_default.
#
# [*amqp_container_name*]
# (Optional) Name for the AMQP container
# Defaults to $::os_service_default.
#
# [*amqp_idle_timeout*]
# (Optional) Timeout for inactive connections
# Defaults to $::os_service_default.
#
# [*amqp_trace*]
# (Optional) Debug: dump AMQP frames to stdout
# Defaults to $::os_service_default.
#
# [*amqp_ssl_ca_file*]
# (Optional) CA certificate PEM file to verify server certificate
# Defaults to $::os_service_default.
#
# [*amqp_ssl_cert_file*]
# (Optional) Identifying certificate PEM file to present to clients
# Defaults to $::os_service_default.
#
# [*amqp_ssl_key_file*]
# (Optional) Private key PEM file used to sign cert_file certificate
# Defaults to $::os_service_default.
#
# [*amqp_ssl_key_password*]
# (Optional) Password for decrypting ssl_key_file (if encrypted)
# Defaults to $::os_service_default.
#
# [*amqp_sasl_mechanisms*]
# (Optional) Space separated list of acceptable SASL mechanisms
# Defaults to $::os_service_default.
#
# [*amqp_sasl_config_dir*]
# (Optional) Path to directory that contains the SASL configuration
# Defaults to $::os_service_default.
#
# [*amqp_sasl_config_name*]
# (Optional) Name of configuration file (without .conf suffix)
# Defaults to $::os_service_default.
#
# [*amqp_username*]
# (Optional) User name for message broker authentication
# Defaults to $::os_service_default.
#
# [*amqp_password*]
# (Optional) Password for message broker authentication
# Defaults to $::os_service_default.
#
# [*host*]
# (Optional) Name of this node. This is typically a hostname, FQDN, or
# IP address.
# Defaults to $::os_service_default.
#
# [*service_down_time*]
# (optional) Maximum time since last check-in for up service.
# Defaults to 60
#
# [*state_path*]
# (optional) Directory for storing state.
# Defaults to '/var/lib/nova'
#
# [*lock_path*]
# (optional) Directory for lock files.
# On RHEL will be '/var/lib/nova/tmp' and on Debian '/var/lock/nova'
# Defaults to $::nova::params::lock_path
#
# [*periodic_interval*]
# (optional) Seconds between running periodic tasks.
# Defaults to '60'
#
# [*report_interval*]
# (optional) Interval at which nodes report to data store.
# Defaults to '10'
#
# [*rootwrap_config*]
# (optional) Path to the rootwrap configuration file to use for running commands as root
# Defaults to '/etc/nova/rootwrap.conf'
#
# [*use_ssl*]
# (optional) Enable SSL on the API server
# Defaults to false, not set
#
# [*enabled_ssl_apis*]
# (optional) List of APIs to SSL enable
# Defaults to []
# Possible values : 'osapi_compute', 'metadata'
#
# [*cert_file*]
# (optional) Certificate file to use when starting API server securely
# Defaults to false, not set
#
# [*key_file*]
# (optional) Private key file to use when starting API server securely
# Defaults to false, not set
#
# [*ca_file*]
# (optional) CA certificate file to use to verify connecting clients
# Defaults to false, not set
#
# [*nova_public_key*]
# (optional) Install public key in .ssh/authorized_keys for the 'nova' user.
# Expects a hash of the form { type => 'key-type', key => 'key-data' } where
# 'key-type' is one of (ssh-rsa, ssh-dsa, ssh-ecdsa) and 'key-data' is the
# actual key data (e.g, 'AAAA...').
#
# [*nova_private_key*]
# (optional) Install private key into .ssh/id_rsa (or appropriate equivalent
# for key type). Expects a hash of the form { type => 'key-type', key =>
# 'key-data' }, where 'key-type' is one of (ssh-rsa, ssh-dsa, ssh-ecdsa) and
# 'key-data' is the contents of the private key file.
#
# [*ssl_only*]
# (optional) Disallow non-encrypted connections.
# Defaults to false
#
# [*cert*]
# (optional) Path to SSL certificate file.
# Defaults to $::os_service_default
#
# [*key*]
# (optional) SSL key file (if separate from cert).
# Defaults to $::os_service_default
#
# [*console_ssl_ciphers*]
# (optional) OpenSSL cipher preference string that specifies what ciphers to
# allow for TLS connections from clients. See the man page for the OpenSSL
# 'ciphers' command for details of the cipher preference string format and
# allowed values.
# Defaults to $::os_service_default
#
# [*console_ssl_minimum_version*]
# (optional) Minimum allowed SSL/TLS protocol version. Valid values are
# 'default', 'tlsv1_1', 'tlsv1_2', and 'tlsv1_3'. A value of 'default' will
# use the underlying system OpenSSL defaults.
# Defaults to $::os_service_default
#
# [*notification_transport_url*]
# (optional) A URL representing the messaging driver to use for notifications
# and its full configuration. Transport URLs take the form:
# transport://user:pass@host1:port[,hostN:portN]/virtual_host
# Defaults to $::os_service_default
#
# [*notification_driver*]
# (optional) Driver or drivers to handle sending notifications.
# Value can be a string or a list.
# Defaults to $::os_service_default.
#
# [*notification_topics*]
# (optional) AMQP topic used for OpenStack notifications
# Defaults to ::os_service_default
#
# [*notification_format*]
# (optional) Format used for OpenStack notifications
# Defaults to ::os_service_default
#
# [*notify_on_state_change*]
# (optional) If set, send compute.instance.update notifications
# on instance state changes. Valid values are None for no notifications,
# "vm_state" for notifications on VM state changes, or "vm_and_task_state"
# for notifications on VM and task state changes.
# Defaults to undef
#
# [*ovsdb_connection*]
# (optional) Sets the ovsdb connection string. This is used by os-vif
# to interact with openvswitch on the host.
# Defaults to $::os_service_default
#
# [*upgrade_level_cells*]
# (optional) Sets a version cap for messages sent to local cells services
# Defaults to $::os_service_default
#
# [*upgrade_level_compute*]
# (optional) Sets a version cap for messages sent to compute services
# Defaults to $::os_service_default
#
# [*upgrade_level_conductor*]
# (optional) Sets a version cap for messages sent to conductor services
# Defaults to $::os_service_default
#
# [*upgrade_level_intercell*]
# (optional) Sets a version cap for messages sent between cells services
# Defaults to $::os_service_default
#
# [*upgrade_level_network*]
# (optional) Sets a version cap for messages sent to network services
# Defaults to $::os_service_default
#
# [*upgrade_level_scheduler*]
# (optional) Sets a version cap for messages sent to scheduler services
# Defaults to $::os_service_default
#
# [*purge_config*]
# (optional) Whether to set only the specified config options
# in the nova config.
# Defaults to false.
#
# [*cpu_allocation_ratio*]
# (optional) Virtual CPU to physical CPU allocation ratio which affects all
# CPU filters. This can be set on the scheduler, or can be overridden
# per compute node.
# Defaults to $::os_service_default
#
# [*ram_allocation_ratio*]
# (optional) Virtual ram to physical ram allocation ratio which affects all
# ram filters. This can be set on the scheduler, or can be overridden
# per compute node.
# Defaults to $::os_service_default
#
# [*disk_allocation_ratio*]
# (optional) Virtual disk to physical disk allocation ratio which is used
# by the disk filter. This can be set on the scheduler, or can be overridden
# per compute node.
# Defaults to $::os_service_default
#
# [*initial_cpu_allocation_ratio*]
# (optional) Initial virtual CPU to physical CPU allocation ratio.
# Defaults to $::os_service_default
#
# [*initial_ram_allocation_ratio*]
# (optional) Initial virtual RAM to physical RAM allocation ratio.
# Defaults to $::os_service_default
#
# [*initial_disk_allocation_ratio*]
# (optional) Initial virtual disk to physical disk allocation ratio.
# Defaults to $::os_service_default
#
# [*my_ip*]
# (optional) IP address of this host on the management network.
# If unset, will determine the IP programmatically based on the default route.
# If unable to do so, will use "127.0.0.1".
# Defaults to $::os_service_default.
#
# [*dhcp_domain*]
# (optional) domain to use for building the hostnames
# Defaults to $::os_service_default
#
# DEPRECATED PARAMETERS
#
# [*auth_strategy*]
# (optional) The strategy to use for auth: noauth or keystone.
# Defaults to undef
#
# [*upgrade_level_cert*]
# (optional) Sets a version cap for messages sent to cert services
# Defaults to undef
#
class nova(
$ensure_package = 'present',
$default_transport_url = $::os_service_default,
$rpc_response_timeout = $::os_service_default,
$long_rpc_timeout = $::os_service_default,
$control_exchange = $::os_service_default,
$rabbit_use_ssl = $::os_service_default,
$rabbit_heartbeat_timeout_threshold = $::os_service_default,
$rabbit_heartbeat_rate = $::os_service_default,
$rabbit_heartbeat_in_pthread = $::os_service_default,
$rabbit_ha_queues = $::os_service_default,
$rabbit_retry_interval = $::os_service_default,
$kombu_ssl_ca_certs = $::os_service_default,
$kombu_ssl_certfile = $::os_service_default,
$kombu_ssl_keyfile = $::os_service_default,
$kombu_ssl_version = $::os_service_default,
$kombu_reconnect_delay = $::os_service_default,
$kombu_failover_strategy = $::os_service_default,
$kombu_compression = $::os_service_default,
$amqp_durable_queues = $::os_service_default,
$amqp_server_request_prefix = $::os_service_default,
$amqp_broadcast_prefix = $::os_service_default,
$amqp_group_request_prefix = $::os_service_default,
$amqp_container_name = $::os_service_default,
$amqp_idle_timeout = $::os_service_default,
$amqp_trace = $::os_service_default,
$amqp_ssl_ca_file = $::os_service_default,
$amqp_ssl_cert_file = $::os_service_default,
$amqp_ssl_key_file = $::os_service_default,
$amqp_ssl_key_password = $::os_service_default,
$amqp_sasl_mechanisms = $::os_service_default,
$amqp_sasl_config_dir = $::os_service_default,
$amqp_sasl_config_name = $::os_service_default,
$amqp_username = $::os_service_default,
$amqp_password = $::os_service_default,
$host = $::os_service_default,
$service_down_time = 60,
$state_path = '/var/lib/nova',
$lock_path = $::nova::params::lock_path,
$periodic_interval = '60',
$report_interval = '10',
$rootwrap_config = '/etc/nova/rootwrap.conf',
$use_ssl = false,
$enabled_ssl_apis = ['metadata', 'osapi_compute'],
$ca_file = false,
$cert_file = false,
$key_file = false,
$nova_public_key = undef,
$nova_private_key = undef,
$ssl_only = false,
$cert = $::os_service_default,
$key = $::os_service_default,
$console_ssl_ciphers = $::os_service_default,
$console_ssl_minimum_version = $::os_service_default,
$notification_transport_url = $::os_service_default,
$notification_driver = $::os_service_default,
$notification_topics = $::os_service_default,
$notification_format = $::os_service_default,
$notify_on_state_change = undef,
$ovsdb_connection = $::os_service_default,
$upgrade_level_cells = $::os_service_default,
$upgrade_level_compute = $::os_service_default,
$upgrade_level_conductor = $::os_service_default,
$upgrade_level_intercell = $::os_service_default,
$upgrade_level_network = $::os_service_default,
$upgrade_level_scheduler = $::os_service_default,
$cpu_allocation_ratio = $::os_service_default,
$ram_allocation_ratio = $::os_service_default,
$disk_allocation_ratio = $::os_service_default,
$initial_cpu_allocation_ratio = $::os_service_default,
$initial_ram_allocation_ratio = $::os_service_default,
$initial_disk_allocation_ratio = $::os_service_default,
$purge_config = false,
$my_ip = $::os_service_default,
$dhcp_domain = $::os_service_default,
# DEPRECATED PARAMETERS
$auth_strategy = undef,
$upgrade_level_cert = undef,
) inherits nova::params {
include nova::deps
include nova::workarounds
validate_legacy(Array, 'validate_array', $enabled_ssl_apis)
if empty($enabled_ssl_apis) and $use_ssl {
warning('enabled_ssl_apis is empty but use_ssl is set to true')
}
if $upgrade_level_cert != undef {
warning('The upgrade_level_cert parameter is deprecated and will be removed \
in a future release.')
}
if $use_ssl {
if !$cert_file {
fail('The cert_file parameter is required when use_ssl is set to true')
}
if !$key_file {
fail('The key_file parameter is required when use_ssl is set to true')
}
}
if $nova_public_key or $nova_private_key {
file { '/var/lib/nova/.ssh':
ensure => directory,
mode => '0700',
owner => $::nova::params::user,
group => $::nova::params::group,
require => Anchor['nova::config::begin'],
before => Anchor['nova::config::end'],
}
if $nova_public_key {
if ! $nova_public_key['key'] or ! $nova_public_key['type'] {
fail('You must provide both a key type and key data.')
}
ssh_authorized_key { 'nova-migration-public-key':
ensure => present,
key => $nova_public_key['key'],
type => $nova_public_key['type'],
user => $::nova::params::user,
require => File['/var/lib/nova/.ssh'],
}
}
if $nova_private_key {
if ! $nova_private_key[key] or ! $nova_private_key['type'] {
fail('You must provide both a key type and key data.')
}
$nova_private_key_file = $nova_private_key['type'] ? {
'ssh-rsa' => '/var/lib/nova/.ssh/id_rsa',
'ssh-dsa' => '/var/lib/nova/.ssh/id_dsa',
'ssh-ecdsa' => '/var/lib/nova/.ssh/id_ecdsa',
default => undef
}
if ! $nova_private_key_file {
fail("Unable to determine name of private key file. Type specified was '${nova_private_key['type']}' \
but should be one of: ssh-rsa, ssh-dsa, ssh-ecdsa.")
}
file { $nova_private_key_file:
content => $nova_private_key[key],
mode => '0600',
owner => $::nova::params::user,
group => $::nova::params::group,
require => File['/var/lib/nova/.ssh'],
}
}
}
package { 'python-nova':
ensure => $ensure_package,
name => $::nova::params::python_package_name,
tag => ['openstack', 'nova-package'],
}
package { 'nova-common':
ensure => $ensure_package,
name => $::nova::params::common_package_name,
require => Package['python-nova'],
tag => ['openstack', 'nova-package'],
}
# used by debian/ubuntu in nova::network_bridge to refresh
# interfaces based on /etc/network/interfaces
exec { 'networking-refresh':
command => '/sbin/ifdown -a ; /sbin/ifup -a',
refreshonly => true,
}
resources { 'nova_config':
purge => $purge_config,
}
if $auth_strategy {
warning('The auth_strategy parameter is deprecated, and will be removed in a future release.')
nova_config { 'api/auth_strategy': value => $auth_strategy }
}
nova_config {
'DEFAULT/ssl_only': value => $ssl_only;
'DEFAULT/cert': value => $cert;
'DEFAULT/key': value => $key;
'console/ssl_ciphers': value => $console_ssl_ciphers;
'console/ssl_minimum_version': value => $console_ssl_minimum_version;
'DEFAULT/my_ip': value => $my_ip;
'DEFAULT/host': value => $host;
'DEFAULT/cpu_allocation_ratio': value => $cpu_allocation_ratio;
'DEFAULT/ram_allocation_ratio': value => $ram_allocation_ratio;
'DEFAULT/disk_allocation_ratio': value => $disk_allocation_ratio;
'DEFAULT/initial_cpu_allocation_ratio': value => $initial_cpu_allocation_ratio;
'DEFAULT/initial_ram_allocation_ratio': value => $initial_ram_allocation_ratio;
'DEFAULT/initial_disk_allocation_ratio': value => $initial_disk_allocation_ratio;
'DEFAULT/dhcp_domain': value => $dhcp_domain;
}
oslo::messaging::rabbit {'nova_config':
rabbit_use_ssl => $rabbit_use_ssl,
heartbeat_timeout_threshold => $rabbit_heartbeat_timeout_threshold,
heartbeat_rate => $rabbit_heartbeat_rate,
heartbeat_in_pthread => $rabbit_heartbeat_in_pthread,
kombu_reconnect_delay => $kombu_reconnect_delay,
kombu_failover_strategy => $kombu_failover_strategy,
amqp_durable_queues => $amqp_durable_queues,
kombu_compression => $kombu_compression,
kombu_ssl_ca_certs => $kombu_ssl_ca_certs,
kombu_ssl_certfile => $kombu_ssl_certfile,
kombu_ssl_keyfile => $kombu_ssl_keyfile,
kombu_ssl_version => $kombu_ssl_version,
rabbit_ha_queues => $rabbit_ha_queues,
rabbit_retry_interval => $rabbit_retry_interval,
}
oslo::messaging::amqp { 'nova_config':
server_request_prefix => $amqp_server_request_prefix,
broadcast_prefix => $amqp_broadcast_prefix,
group_request_prefix => $amqp_group_request_prefix,
container_name => $amqp_container_name,
idle_timeout => $amqp_idle_timeout,
trace => $amqp_trace,
ssl_ca_file => $amqp_ssl_ca_file,
ssl_cert_file => $amqp_ssl_cert_file,
ssl_key_file => $amqp_ssl_key_file,
ssl_key_password => $amqp_ssl_key_password,
sasl_mechanisms => $amqp_sasl_mechanisms,
sasl_config_dir => $amqp_sasl_config_dir,
sasl_config_name => $amqp_sasl_config_name,
username => $amqp_username,
password => $amqp_password,
}
# SSL Options
if $use_ssl {
nova_config {
'DEFAULT/enabled_ssl_apis': value => join($enabled_ssl_apis, ',');
'wsgi/ssl_cert_file': value => $cert_file;
'wsgi/ssl_key_file': value => $key_file;
}
if $ca_file {
nova_config {
'wsgi/ssl_ca_file': value => $ca_file;
}
} else {
nova_config {
'wsgi/ssl_ca_file': ensure => absent;
}
}
} else {
nova_config {
'DEFAULT/enabled_ssl_apis': ensure => absent;
'wsgi/ssl_cert_file': ensure => absent;
'wsgi/ssl_key_file': ensure => absent;
'wsgi/ssl_ca_file': ensure => absent;
}
}
# NOTE(tkajinam): Remove this after Zed release. See lp bug 1967713 .
nova_config {
'ssl/cert_file': ensure => absent;
'ssl/key_file': ensure => absent;
'ssl/ca_file': ensure => absent;
}
oslo::messaging::default { 'nova_config':
transport_url => $default_transport_url,
rpc_response_timeout => $rpc_response_timeout,
control_exchange => $control_exchange,
}
nova_config {
'DEFAULT/long_rpc_timeout': value => $long_rpc_timeout;
}
oslo::messaging::notifications { 'nova_config':
transport_url => $notification_transport_url,
driver => $notification_driver,
topics => $notification_topics,
}
nova_config {
'DEFAULT/ovsdb_connection': ensure => 'absent';
'vif_plug_ovs/ovsdb_connection': value => $ovsdb_connection;
'notifications/notification_format': value => $notification_format;
# Following may need to be broken out to different nova services
'DEFAULT/state_path': value => $state_path;
'DEFAULT/service_down_time': value => $service_down_time;
'DEFAULT/rootwrap_config': value => $rootwrap_config;
'DEFAULT/report_interval': value => $report_interval;
}
oslo::concurrency { 'nova_config': lock_path => $lock_path }
if $notify_on_state_change and $notify_on_state_change in ['vm_state', 'vm_and_task_state'] {
nova_config {
'notifications/notify_on_state_change': value => $notify_on_state_change;
}
} else {
nova_config { 'notifications/notify_on_state_change': ensure => absent; }
}
nova_config {
'upgrade_levels/cells': value => $upgrade_level_cells;
'upgrade_levels/cert': value => pick($upgrade_level_cert, $::os_service_default);
'upgrade_levels/compute': value => $upgrade_level_compute;
'upgrade_levels/conductor': value => $upgrade_level_conductor;
'upgrade_levels/intercell': value => $upgrade_level_intercell;
'upgrade_levels/network': value => $upgrade_level_network;
'upgrade_levels/scheduler': value => $upgrade_level_scheduler;
}
}
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