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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']
+ }
+ }
+}