iSCSI backend for Cinder volumes

As part of multi-backends, add iSCSI cinder backend.

* Add iscsi new backend.
* Allow to run iSCSI in multi-backend configurations via Hiera.
* Unit tests to validate both iSCSI & multi-backends.
This commit is contained in:
Emilien Macchi 2014-09-23 08:49:35 -04:00
parent 42c023b8ca
commit 5a45ef93dc
3 changed files with 75 additions and 2 deletions

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@ -0,0 +1,46 @@
#
# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
#
# 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.
#
# Configure iSCSI backend for Cinder
#
#
# === Parameters
#
# [*iscsi_ip_address*]
# (required) IP address of iSCSI target.
#
# [*volume_group*]
# (optional) Cinder volume group name.
# Defaults to 'cinder-volumes'.
#
define cloud::volume::backend::iscsi (
$iscsi_ip_address,
$volume_group = 'cinder-volumes',
$volume_backend_name = $name,
) {
cinder::backend::iscsi { $name:
iscsi_ip_address => $iscsi_ip_address,
volume_group => $volume_group,
}
@cinder::type { $volume_backend_name:
set_key => 'volume_backend_name',
set_value => $volume_backend_name,
notify => Service['cinder-volume']
}
}

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@ -83,8 +83,16 @@ class cloud::volume::storage(
$netapp_backends = { }
}
if has_key($cinder_backends, 'iscsi') {
$iscsi_backends = $cinder_backends['iscsi']
create_resources('cloud::volume::backend::iscsi', $iscsi_backends)
}
else {
$iscsi_backends = { }
}
class { 'cinder::backends':
enabled_backends => keys(merge($rbd_backends, $netapp_backends))
enabled_backends => keys(merge($rbd_backends, $netapp_backends, $iscsi_backends))
}
# Manage Volume types.

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@ -55,6 +55,12 @@ describe 'cloud::volume::storage' do
'netapp_login' => 'joe',
'netapp_password' => 'secret'
}
},
'iscsi' => {
'fast' => {
'iscsi_ip_address' => '10.0.0.1',
'volume_group' => 'fast-vol'
}
}
},
:ks_keystone_internal_proto => 'http',
@ -132,6 +138,19 @@ describe 'cloud::volume::storage' do
end
end
context 'with iSCSI backend' do
it 'configures iSCSI volume driver' do
should contain_cinder_config('fast/volume_backend_name').with_value('fast')
should contain_cinder_config('fast/iscsi_ip_address').with_value('10.0.0.1')
should contain_cinder_config('fast/volume_group').with_value('fast-vol')
should contain_cinder__type('fast').with(
:set_key => 'volume_backend_name',
:set_value => 'fast',
:notify => 'Service[cinder-volume]'
)
end
end
context 'with two RBD backends' do
before :each do
params.merge!(
@ -185,7 +204,7 @@ describe 'cloud::volume::storage' do
context 'with all backends enabled' do
it 'configure all cinder backends' do
should contain_class('cinder::backends').with(
:enabled_backends => ['lowcost', 'premium']
:enabled_backends => ['lowcost', 'premium', 'fast']
)
end
end