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# Copyright 2016 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# == Class: tripleo::profile::base::nova::migration::target
#
# Nova migration target profile for tripleo
#
# === Parameters
#
# [*step*]
# (Optional) The current step of the deployment
# Defaults to hiera('step')
#
# [*ssh_authorized_keys*]
# (Optional) List of SSH public keys authorized for migration.
# If no keys are provided then migration over ssh will be disabled.
# Defaults to []
#
# [*ssh_localaddrs*]
# (Optional) Restrict ssh migration to clients connecting via this list of
# IPs.
# Defaults to [] (no restriction)
#
# [*services_enabled*]
# (Optional) List of services enabled on the current role.
# If the nova_migration_target service is not enabled then migration over
# ssh will be disabled.
# Defaults to hiera('service_names', [])
class tripleo::profile::base::nova::migration::target (
$step = Integer(hiera('step')),
$ssh_authorized_keys = [],
$ssh_localaddrs = [],
$services_enabled = hiera('service_names', []),
) {
include ::tripleo::profile::base::nova::migration
validate_array($ssh_localaddrs)
$ssh_localaddrs.each |$x| { validate_ip_address($x) }
$ssh_localaddrs_real = unique($ssh_localaddrs)
validate_array($ssh_authorized_keys)
$ssh_authorized_keys_real = join($ssh_authorized_keys, '\n')
if $step >= 4 {
if !empty($ssh_authorized_keys_real) {
if ('nova_migration_target' in $services_enabled) {
if !empty($ssh_localaddrs_real) {
$allow_type = sprintf('LocalAddress %s User', join($ssh_localaddrs_real,','))
$deny_type = 'LocalAddress'
$deny_name = sprintf('!%s', join($ssh_localaddrs_real,',!'))
ssh::server::match_block { 'nova_migration deny':
name => $deny_name,
type => $deny_type,
order => 2,
options => {
'DenyUsers' => 'nova_migration'
},
notify => Service['sshd']
}
}
else {
$allow_type = 'User'
}
$allow_name = 'nova_migration'
ssh::server::match_block { 'nova_migration allow':
name => $allow_name,
type => $allow_type,
order => 1,
options => {
'ForceCommand' => '/bin/nova-migration-wrapper',
'PasswordAuthentication' => 'no',
'AllowTcpForwarding' => 'no',
'X11Forwarding' => 'no',
'AuthorizedKeysFile' => '/etc/nova/migration/authorized_keys'
},
notify => Service['sshd']
}
$migration_authorized_keys = $ssh_authorized_keys_real
$migration_user_shell = '/bin/bash'
}
else {
# Remove the keys and prevent login when migration over SSH is not enabled
$migration_authorized_keys = '# Migration over SSH disabled by TripleO'
$migration_user_shell = '/sbin/nologin'
}
}
else {
# Remove the keys and prevent login when migration over SSH is not enabled
$migration_authorized_keys = '# Migration over SSH disabled by TripleO'
$migration_user_shell = '/sbin/nologin'
}
file { '/etc/nova/migration/authorized_keys':
content => $migration_authorized_keys,
mode => '0640',
owner => 'root',
group => 'nova_migration',
require => Package['openstack-nova-migration']
}
user {'nova_migration':
shell => $migration_user_shell,
require => Package['openstack-nova-migration']
}
}
}
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