Add Dell EQLX Cinder Backend

Add the support for EQLX Cinder Backend in the multi-volume
configuration.

Change-Id: Id0bae8d8f8c5d7fbaaa62f881f5bd6316f2a6314

manifests/volume/backend/eqlx.pp

@@ -0,0 +1,100 @@
+#
+# 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 Dell EqualLogic backend for Cinder
+#
+#
+# === Parameters
+#
+# [*san_ip*]
+#   (required) The IP address of the Dell EqualLogic array.
+#
+# [*san_login*]
+#   (required) The account to use for issuing SSH commands.
+#
+# [*san_password*]
+#   (required) The password for the specified SSH account.
+#
+# [*san_thin_provision*]
+#   (optional) Whether or not to use thin provisioning for volumes.
+#   Defaults to true
+#
+# [*volume_backend_name*]
+#   (optional) The backend name.
+#   Defaults to the name of the resource
+#
+# [*eqlx_group_name*]
+#   (optional) The CLI prompt message without '>'.
+#   Defaults to 'group-0'
+#
+# [*eqlx_pool*]
+#   (optional) The pool in which volumes will be created.
+#   Defaults to 'default'
+#
+# [*eqlx_use_chap*]
+#   (optional) Use CHAP authentification for targets?
+#   Defaults to false
+#
+# [*eqlx_chap_login*]
+#   (optional) An existing CHAP account name.
+#   Defaults to 'chapadmin'
+#
+# [*eqlx_chap_password*]
+#   (optional) The password for the specified CHAP account name.
+#   Defaults to '12345'
+#
+# [*eqlx_cli_timeout*]
+#   (optional) The timeout for the Group Manager cli command execution.
+#   Defaults to 30 seconds
+#
+# [*eqlx_cli_max_retries*]
+#   (optional) The maximum retry count for reconnection.
+#   Defaults to 5
+#
+define cloud::volume::backend::eqlx (
+  $san_ip,
+  $san_login,
+  $san_password,
+  $san_thin_provision   = true,
+  $volume_backend_name  = $name,
+  $eqlx_group_name      = 'group-0',
+  $eqlx_pool            = 'default',
+  $eqlx_use_chap        = false,
+  $eqlx_chap_login      = 'chapadmin',
+  $eqlx_chap_password   = '12345',
+  $eqlx_cli_timeout     = 30,
+  $eqlx_cli_max_retries = 5,
+) {
+
+  cinder::backend::eqlx { $name:
+    san_ip               => $san_ip,
+    san_login            => $san_login,
+    san_password         => $san_password,
+    san_thin_provision   => $san_thin_provision,
+    eqlx_group_name      => $eqlx_group_name,
+    eqlx_pool            => $eqlx_pool,
+    eqlx_use_chap        => $eqlx_use_chap,
+    eqlx_chap_login      => $eqlx_chap_login,
+    eqlx_chap_password   => $eqlx_chap_password,
+    eqlx_cli_timeout     => $eqlx_cli_timeout,
+    eqlx_cli_max_retries => $eqlx_cli_max_retries,
+  }
+
+  @cinder::type { $volume_backend_name:
+    set_key   => 'volume_backend_name',
+    set_value => $volume_backend_name,
+    notify    => Service['cinder-volume']
+  }
+}

manifests/volume/storage.pp

@@ -97,6 +97,14 @@ class cloud::volume::storage(
       $emc_vnx_backends = { }
     }
 
+    if has_key($cinder_backends, 'eqlx') {
+      $eqlx_backends = $cinder_backends['eqlx']
+      create_resources('cloud::volume::backend::eqlx', $eqlx_backends)
+    }
+    else {
+      $eqlx_backends = { }
+    }
+
     if has_key($cinder_backends, 'nfs') {
       $nfs_backends = $cinder_backends['nfs']
       create_resources('cloud::volume::backend::nfs', $nfs_backends)
@@ -106,7 +114,7 @@ class cloud::volume::storage(
     }
 
     class { 'cinder::backends':
-      enabled_backends => keys(merge($rbd_backends, $netapp_backends, $iscsi_backends, $emc_vnx_backends, $nfs_backends))
+      enabled_backends => keys(merge($rbd_backends, $netapp_backends, $iscsi_backends, $emc_vnx_backends, $eqlx_backends, $nfs_backends))
     }
 
     # Manage Volume types.

spec/classes/cloud_volume_storage_spec.rb

@@ -70,6 +70,14 @@ describe 'cloud::volume::storage' do
               'storage_vnx_pool_name' => 'emc-volumes',
             }
           },
+          'eqlx' => {
+            'dell' => {
+              'san_ip'          => '10.0.0.1',
+              'san_login'       => 'admin',
+              'san_password'    => 'secrete',
+              'eqlx_group_name' => 'dell-volumes',
+            }
+          },
           'nfs' => {
             'freenas' => {
               'nfs_servers'          => ['10.0.0.1:/myshare'],
@@ -185,6 +193,21 @@ describe 'cloud::volume::storage' do
       end
     end
 
+    context 'with EQLX backend' do
+      it 'configures EQLX volume driver' do
+        should contain_cinder_config('dell/volume_backend_name').with_value('dell')
+        should contain_cinder_config('dell/san_ip').with_value('10.0.0.1')
+        should contain_cinder_config('dell/san_login').with_value('admin')
+        should contain_cinder_config('dell/san_password').with_value('secrete')
+        should contain_cinder_config('dell/eqlx_group_name').with_value('dell-volumes')
+        should contain_cinder__type('dell').with(
+          :set_key   => 'volume_backend_name',
+          :set_value => 'dell',
+          :notify    => 'Service[cinder-volume]'
+        )
+      end
+    end
+
     context 'with NFS backend' do
       it 'configures NFS volume driver' do
         is_expected.to contain_cinder_config('freenas/volume_backend_name').with_value('freenas')
@@ -256,7 +279,7 @@ describe 'cloud::volume::storage' do
     context 'with all backends enabled' do
       it 'configure all cinder backends' do
         is_expected.to contain_class('cinder::backends').with(
-          :enabled_backends => ['lowcost', 'premium', 'fast', 'very-fast', 'freenas']
+          :enabled_backends => ['lowcost', 'premium', 'fast', 'very-fast', 'dell', 'freenas']
         )
       end
     end