Configure migration SSH tunnel
This patch configures SSH tunneling for nova cold-migration and reuses the tunnel for libvirt live-migration unless TLS has been enabled. Change-Id: I367757cbe8757d11943af7e41af620f9ce919a06 Depends-On: Iac1763761c652bed637cb7cf85bc12347b5fe7ec
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Oliver Walsh
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@ -82,6 +82,15 @@
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# (Optional) The current step of the deployment
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# Defaults to hiera('step')
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#
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# [*migration_ssh_key*]
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# (Optional) SSH key pair for migration SSH tunnel.
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# Expects a hash with keys 'private_key' and 'public_key'.
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# Defaults to {}
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#
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# [*libvirt_tls*]
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# (Optional) Whether or not libvird TLS service is enabled.
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# Defaults to false
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class tripleo::profile::base::nova (
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$bootstrap_node = hiera('bootstrap_nodeid', undef),
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$libvirt_enabled = false,
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@ -99,6 +108,8 @@ class tripleo::profile::base::nova (
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$oslomsg_use_ssl = hiera('nova::rabbit_use_ssl', '0'),
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$nova_compute_enabled = false,
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$step = hiera('step'),
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$migration_ssh_key = {},
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$libvirt_tls = false
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) {
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if $::hostname == downcase($bootstrap_node) {
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$sync_db = true
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@ -114,7 +125,62 @@ class tripleo::profile::base::nova (
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if $step >= 4 or ($step >= 3 and $sync_db) {
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$oslomsg_use_ssl_real = sprintf('%s', bool2num(str2bool($oslomsg_use_ssl)))
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class { '::nova' :
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include ::nova::config
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class { '::nova::cache':
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enabled => true,
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backend => 'oslo_cache.memcache_pool',
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memcache_servers => $memcache_servers,
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}
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include ::nova::placement
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if $step >= 4 and $manage_migration {
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# Libvirt setup (live-migration)
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if $libvirt_tls {
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class { '::nova::migration::libvirt':
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transport => 'tls',
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configure_libvirt => $libvirt_enabled,
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configure_nova => $nova_compute_enabled,
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}
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} else {
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# Reuse the cold-migration SSH tunnel when TLS is not enabled
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class { '::nova::migration::libvirt':
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transport => 'ssh',
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configure_libvirt => $libvirt_enabled,
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configure_nova => $nova_compute_enabled,
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client_user => 'nova',
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client_extraparams => {'keyfile' => '/var/lib/nova/.ssh/id_rsa'}
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}
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}
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if $migration_ssh_key != {} {
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# Nova SSH tunnel setup (cold-migration)
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#TODO: Remove me when https://review.rdoproject.org/r/#/c/4008 lands
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user { 'nova':
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ensure => present,
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shell => '/bin/bash',
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}
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$private_key_parts = split($migration_ssh_key['public_key'], ' ')
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$nova_public_key = {
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type => $private_key_parts[0],
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key => $private_key_parts[1]
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}
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$nova_private_key = {
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type => $private_key_parts[0],
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key => $migration_ssh_key['private_key']
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}
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} else {
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$nova_public_key = undef
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$nova_private_key = undef
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}
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} else {
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$nova_public_key = undef
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$nova_private_key = undef
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}
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class { '::nova':
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default_transport_url => os_transport_url({
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'transport' => $oslomsg_rpc_proto,
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'hosts' => $oslomsg_rpc_hosts,
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@ -131,23 +197,8 @@ class tripleo::profile::base::nova (
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'password' => $oslomsg_notify_password,
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'ssl' => $oslomsg_use_ssl_real,
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}),
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}
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include ::nova::config
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class { '::nova::cache':
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enabled => true,
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backend => 'oslo_cache.memcache_pool',
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memcache_servers => $memcache_servers,
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}
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include ::nova::placement
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}
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if $step >= 4 {
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if $manage_migration {
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class { '::nova::migration::libvirt':
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configure_libvirt => $libvirt_enabled,
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configure_nova => $nova_compute_enabled,
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}
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nova_public_key => $nova_public_key,
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nova_private_key => $nova_private_key,
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}
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}
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}
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@ -0,0 +1,4 @@
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---
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features:
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- Configure ssh tunneling for nova cold-migration. Re-use the tunnel for
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libvirt live-migration unless TLS is enabled.
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@ -85,7 +85,12 @@ describe 'tripleo::profile::base::nova' do
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it {
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is_expected.to contain_class('tripleo::profile::base::nova')
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is_expected.to contain_class('nova')
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is_expected.to contain_class('nova').with(
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:default_transport_url => /.+/,
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:notification_transport_url => /.+/,
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:nova_public_key => nil,
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:nova_private_key => nil,
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)
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is_expected.to contain_class('nova::config')
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is_expected.to contain_class('nova::cache')
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is_expected.to contain_class('nova::placement')
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@ -109,11 +114,120 @@ describe 'tripleo::profile::base::nova' do
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it {
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is_expected.to contain_class('tripleo::profile::base::nova')
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is_expected.to contain_class('nova')
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is_expected.to contain_class('nova').with(
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:default_transport_url => /.+/,
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:notification_transport_url => /.+/,
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:nova_public_key => nil,
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:nova_private_key => nil,
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)
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is_expected.to contain_class('nova::config')
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is_expected.to contain_class('nova::placement')
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is_expected.to contain_class('nova::cache')
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is_expected.to contain_class('nova::migration::libvirt').with(
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:transport => 'ssh',
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:configure_libvirt => params[:libvirt_enabled],
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:configure_nova => params[:nova_compute_enabled]
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)
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}
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end
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context 'with step 4 with libvirt TLS' do
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let(:pre_condition) {
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'include ::nova::compute::libvirt::services'
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}
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let(:params) { {
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:step => 4,
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:libvirt_enabled => true,
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:manage_migration => true,
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:nova_compute_enabled => true,
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:bootstrap_node => 'node.example.com',
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:oslomsg_rpc_hosts => [ 'localhost' ],
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:oslomsg_rpc_password => 'foo',
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:libvirt_tls => true,
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} }
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it {
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is_expected.to contain_class('tripleo::profile::base::nova')
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is_expected.to contain_class('nova').with(
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:default_transport_url => /.+/,
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:notification_transport_url => /.+/,
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:nova_public_key => nil,
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:nova_private_key => nil,
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)
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is_expected.to contain_class('nova::config')
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is_expected.to contain_class('nova::placement')
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is_expected.to contain_class('nova::cache')
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is_expected.to contain_class('nova::migration::libvirt').with(
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:transport => 'tls',
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:configure_libvirt => params[:libvirt_enabled],
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:configure_nova => params[:nova_compute_enabled],
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)
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}
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end
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context 'with step 4 with libvirt and migration ssh key' do
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let(:pre_condition) {
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'include ::nova::compute::libvirt::services'
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}
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let(:params) { {
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:step => 4,
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:libvirt_enabled => true,
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:manage_migration => true,
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:nova_compute_enabled => true,
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:bootstrap_node => 'node.example.com',
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:oslomsg_rpc_hosts => [ 'localhost' ],
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:oslomsg_rpc_password => 'foo',
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:migration_ssh_key => { 'private_key' => 'foo', 'public_key' => 'ssh-rsa bar'}
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} }
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it {
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is_expected.to contain_class('tripleo::profile::base::nova')
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is_expected.to contain_class('nova').with(
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:default_transport_url => /.+/,
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:notification_transport_url => /.+/,
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:nova_public_key => {'key' => 'bar', 'type' => 'ssh-rsa'},
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:nova_private_key => {'key' => 'foo', 'type' => 'ssh-rsa'}
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)
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is_expected.to contain_class('nova::config')
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is_expected.to contain_class('nova::placement')
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is_expected.to contain_class('nova::cache')
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is_expected.to contain_class('nova::migration::libvirt').with(
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:transport => 'ssh',
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:configure_libvirt => params[:libvirt_enabled],
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:configure_nova => params[:nova_compute_enabled]
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)
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}
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end
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context 'with step 4 with libvirt TLS and migration ssh key' do
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let(:pre_condition) {
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'include ::nova::compute::libvirt::services'
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}
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let(:params) { {
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:step => 4,
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:libvirt_enabled => true,
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:manage_migration => true,
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:nova_compute_enabled => true,
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:bootstrap_node => 'node.example.com',
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:oslomsg_rpc_hosts => [ 'localhost' ],
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:oslomsg_rpc_password => 'foo',
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:libvirt_tls => true,
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:migration_ssh_key => { 'private_key' => 'foo', 'public_key' => 'ssh-rsa bar'}
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} }
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it {
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is_expected.to contain_class('tripleo::profile::base::nova')
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is_expected.to contain_class('nova').with(
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:default_transport_url => /.+/,
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:notification_transport_url => /.+/,
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:nova_public_key => {'key' => 'bar', 'type' => 'ssh-rsa'},
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:nova_private_key => {'key' => 'foo', 'type' => 'ssh-rsa'}
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)
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is_expected.to contain_class('nova::config')
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is_expected.to contain_class('nova::placement')
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is_expected.to contain_class('nova::cache')
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is_expected.to contain_class('nova::migration::libvirt').with(
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:transport => 'tls',
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:configure_libvirt => params[:libvirt_enabled],
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:configure_nova => params[:nova_compute_enabled]
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)
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