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authorOliver Walsh <owalsh@redhat.com>2017-03-28 16:02:18 +0100
committerOliver Walsh <owalsh@redhat.com>2017-04-03 09:12:55 +0100
commitccbcd11276c7bc3ffc8f013d9a5b2d3944bf76cf (patch)
tree4f1a95a68419916842876e4dd9def49f8cb0e67e
parent02f5102eeb2600068c7561b156bf00a8eeed5bd0 (diff)
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
-rw-r--r--manifests/profile/base/nova.pp87
-rw-r--r--releasenotes/notes/cold_migration_setup-dc4ebd834920c27f.yaml4
-rw-r--r--spec/classes/tripleo_profile_base_nova_spec.rb118
3 files changed, 189 insertions, 20 deletions
diff --git a/manifests/profile/base/nova.pp b/manifests/profile/base/nova.pp
index 36425f6..ab9b615 100644
--- a/manifests/profile/base/nova.pp
+++ b/manifests/profile/base/nova.pp
@@ -82,6 +82,15 @@
# (Optional) The current step of the deployment
# Defaults to hiera('step')
#
+# [*migration_ssh_key*]
+# (Optional) SSH key pair for migration SSH tunnel.
+# Expects a hash with keys 'private_key' and 'public_key'.
+# Defaults to {}
+#
+# [*libvirt_tls*]
+# (Optional) Whether or not libvird TLS service is enabled.
+# Defaults to false
+
class tripleo::profile::base::nova (
$bootstrap_node = hiera('bootstrap_nodeid', undef),
$libvirt_enabled = false,
@@ -99,6 +108,8 @@ class tripleo::profile::base::nova (
$oslomsg_use_ssl = hiera('nova::rabbit_use_ssl', '0'),
$nova_compute_enabled = false,
$step = hiera('step'),
+ $migration_ssh_key = {},
+ $libvirt_tls = false
) {
if $::hostname == downcase($bootstrap_node) {
$sync_db = true
@@ -114,7 +125,62 @@ class tripleo::profile::base::nova (
if $step >= 4 or ($step >= 3 and $sync_db) {
$oslomsg_use_ssl_real = sprintf('%s', bool2num(str2bool($oslomsg_use_ssl)))
- class { '::nova' :
+ include ::nova::config
+ class { '::nova::cache':
+ enabled => true,
+ backend => 'oslo_cache.memcache_pool',
+ memcache_servers => $memcache_servers,
+ }
+ include ::nova::placement
+
+ if $step >= 4 and $manage_migration {
+
+ # Libvirt setup (live-migration)
+ if $libvirt_tls {
+ class { '::nova::migration::libvirt':
+ transport => 'tls',
+ configure_libvirt => $libvirt_enabled,
+ configure_nova => $nova_compute_enabled,
+ }
+ } else {
+ # Reuse the cold-migration SSH tunnel when TLS is not enabled
+ class { '::nova::migration::libvirt':
+ transport => 'ssh',
+ configure_libvirt => $libvirt_enabled,
+ configure_nova => $nova_compute_enabled,
+ client_user => 'nova',
+ client_extraparams => {'keyfile' => '/var/lib/nova/.ssh/id_rsa'}
+ }
+ }
+
+ if $migration_ssh_key != {} {
+ # Nova SSH tunnel setup (cold-migration)
+
+ #TODO: Remove me when https://review.rdoproject.org/r/#/c/4008 lands
+ user { 'nova':
+ ensure => present,
+ shell => '/bin/bash',
+ }
+
+ $private_key_parts = split($migration_ssh_key['public_key'], ' ')
+ $nova_public_key = {
+ type => $private_key_parts[0],
+ key => $private_key_parts[1]
+ }
+ $nova_private_key = {
+ type => $private_key_parts[0],
+ key => $migration_ssh_key['private_key']
+ }
+ } else {
+ $nova_public_key = undef
+ $nova_private_key = undef
+ }
+ } else {
+ $nova_public_key = undef
+ $nova_private_key = undef
+ }
+
+ class { '::nova':
default_transport_url => os_transport_url({
'transport' => $oslomsg_rpc_proto,
'hosts' => $oslomsg_rpc_hosts,
@@ -131,23 +197,8 @@ class tripleo::profile::base::nova (
'password' => $oslomsg_notify_password,
'ssl' => $oslomsg_use_ssl_real,
}),
+ nova_public_key => $nova_public_key,
+ nova_private_key => $nova_private_key,
}
- include ::nova::config
- class { '::nova::cache':
- enabled => true,
- backend => 'oslo_cache.memcache_pool',
- memcache_servers => $memcache_servers,
- }
- include ::nova::placement
}
-
- if $step >= 4 {
- if $manage_migration {
- class { '::nova::migration::libvirt':
- configure_libvirt => $libvirt_enabled,
- configure_nova => $nova_compute_enabled,
- }
- }
- }
-
}
diff --git a/releasenotes/notes/cold_migration_setup-dc4ebd834920c27f.yaml b/releasenotes/notes/cold_migration_setup-dc4ebd834920c27f.yaml
new file mode 100644
index 0000000..00b7799
--- /dev/null
+++ b/releasenotes/notes/cold_migration_setup-dc4ebd834920c27f.yaml
@@ -0,0 +1,4 @@
+---
+features:
+ - Configure ssh tunneling for nova cold-migration. Re-use the tunnel for
+ libvirt live-migration unless TLS is enabled.
diff --git a/spec/classes/tripleo_profile_base_nova_spec.rb b/spec/classes/tripleo_profile_base_nova_spec.rb
index b5677cc..8f7bfdc 100644
--- a/spec/classes/tripleo_profile_base_nova_spec.rb
+++ b/spec/classes/tripleo_profile_base_nova_spec.rb
@@ -85,7 +85,12 @@ describe 'tripleo::profile::base::nova' do
it {
is_expected.to contain_class('tripleo::profile::base::nova')
- is_expected.to contain_class('nova')
+ is_expected.to contain_class('nova').with(
+ :default_transport_url => /.+/,
+ :notification_transport_url => /.+/,
+ :nova_public_key => nil,
+ :nova_private_key => nil,
+ )
is_expected.to contain_class('nova::config')
is_expected.to contain_class('nova::cache')
is_expected.to contain_class('nova::placement')
@@ -109,11 +114,120 @@ describe 'tripleo::profile::base::nova' do
it {
is_expected.to contain_class('tripleo::profile::base::nova')
- is_expected.to contain_class('nova')
+ is_expected.to contain_class('nova').with(
+ :default_transport_url => /.+/,
+ :notification_transport_url => /.+/,
+ :nova_public_key => nil,
+ :nova_private_key => nil,
+ )
+ is_expected.to contain_class('nova::config')
+ is_expected.to contain_class('nova::placement')
+ is_expected.to contain_class('nova::cache')
+ is_expected.to contain_class('nova::migration::libvirt').with(
+ :transport => 'ssh',
+ :configure_libvirt => params[:libvirt_enabled],
+ :configure_nova => params[:nova_compute_enabled]
+ )
+ }
+ end
+
+ context 'with step 4 with libvirt TLS' do
+ let(:pre_condition) {
+ 'include ::nova::compute::libvirt::services'
+ }
+ let(:params) { {
+ :step => 4,
+ :libvirt_enabled => true,
+ :manage_migration => true,
+ :nova_compute_enabled => true,
+ :bootstrap_node => 'node.example.com',
+ :oslomsg_rpc_hosts => [ 'localhost' ],
+ :oslomsg_rpc_password => 'foo',
+ :libvirt_tls => true,
+ } }
+
+ it {
+ is_expected.to contain_class('tripleo::profile::base::nova')
+ is_expected.to contain_class('nova').with(
+ :default_transport_url => /.+/,
+ :notification_transport_url => /.+/,
+ :nova_public_key => nil,
+ :nova_private_key => nil,
+ )
+ is_expected.to contain_class('nova::config')
+ is_expected.to contain_class('nova::placement')
+ is_expected.to contain_class('nova::cache')
+ is_expected.to contain_class('nova::migration::libvirt').with(
+ :transport => 'tls',
+ :configure_libvirt => params[:libvirt_enabled],
+ :configure_nova => params[:nova_compute_enabled],
+ )
+ }
+ end
+
+ context 'with step 4 with libvirt and migration ssh key' do
+ let(:pre_condition) {
+ 'include ::nova::compute::libvirt::services'
+ }
+ let(:params) { {
+ :step => 4,
+ :libvirt_enabled => true,
+ :manage_migration => true,
+ :nova_compute_enabled => true,
+ :bootstrap_node => 'node.example.com',
+ :oslomsg_rpc_hosts => [ 'localhost' ],
+ :oslomsg_rpc_password => 'foo',
+ :migration_ssh_key => { 'private_key' => 'foo', 'public_key' => 'ssh-rsa bar'}
+ } }
+
+ it {
+ is_expected.to contain_class('tripleo::profile::base::nova')
+ is_expected.to contain_class('nova').with(
+ :default_transport_url => /.+/,
+ :notification_transport_url => /.+/,
+ :nova_public_key => {'key' => 'bar', 'type' => 'ssh-rsa'},
+ :nova_private_key => {'key' => 'foo', 'type' => 'ssh-rsa'}
+ )
+ is_expected.to contain_class('nova::config')
+ is_expected.to contain_class('nova::placement')
+ is_expected.to contain_class('nova::cache')
+ is_expected.to contain_class('nova::migration::libvirt').with(
+ :transport => 'ssh',
+ :configure_libvirt => params[:libvirt_enabled],
+ :configure_nova => params[:nova_compute_enabled]
+ )
+ }
+ end
+
+ context 'with step 4 with libvirt TLS and migration ssh key' do
+ let(:pre_condition) {
+ 'include ::nova::compute::libvirt::services'
+ }
+ let(:params) { {
+ :step => 4,
+ :libvirt_enabled => true,
+ :manage_migration => true,
+ :nova_compute_enabled => true,
+ :bootstrap_node => 'node.example.com',
+ :oslomsg_rpc_hosts => [ 'localhost' ],
+ :oslomsg_rpc_password => 'foo',
+ :libvirt_tls => true,
+ :migration_ssh_key => { 'private_key' => 'foo', 'public_key' => 'ssh-rsa bar'}
+ } }
+
+ it {
+ is_expected.to contain_class('tripleo::profile::base::nova')
+ is_expected.to contain_class('nova').with(
+ :default_transport_url => /.+/,
+ :notification_transport_url => /.+/,
+ :nova_public_key => {'key' => 'bar', 'type' => 'ssh-rsa'},
+ :nova_private_key => {'key' => 'foo', 'type' => 'ssh-rsa'}
+ )
is_expected.to contain_class('nova::config')
is_expected.to contain_class('nova::placement')
is_expected.to contain_class('nova::cache')
is_expected.to contain_class('nova::migration::libvirt').with(
+ :transport => 'tls',
:configure_libvirt => params[:libvirt_enabled],
:configure_nova => params[:nova_compute_enabled]
)