Enables support for configuring Cinder with Pure Storage

FlashArray storage backend

This adds the necessary parameters for:
 - Pure Storage FlashArray Block Storage driver configuration

Change-Id: I5b5617dd57015c0944a2d0c60187b01ede09b480

capabilities-map.yaml

@@ -402,6 +402,11 @@ topics:
         description: >
           Enable various Cinder backends
         environments:
+          - file: environments/cinder-pure-config.yaml
+            title: Cinder Pure Storage FlashArray backend
+            description:
+            requires:
+              - overcloud-resource-registry-puppet.yaml
           - file: environments/cinder-netapp-config.yaml
             title: Cinder NetApp backend
             description:

environments/cinder-pure-config.yaml

@@ -0,0 +1,13 @@
+# A Heat environment file which can be used to enable a
+# Cinder Pure Storage FlashArray iSCSI backend, configured via puppet
+resource_registry:
+  OS::TripleO::Services::CinderBackendPure: ../puppet/services/cinder-backend-pure.yaml
+
+parameter_defaults:
+  CinderEnablePureBackend: true
+  CinderPureBackendName: 'tripleo_pure'
+  CinderPureStorageProtocol: 'iSCSI'
+  CinderPureSanIp: ''
+  CinderPureAPIToken: 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx'
+  CinderPureUseChap: false
+  CinderPureMultipathXfer: true

puppet/services/cinder-backend-pure.yaml

@@ -0,0 +1,68 @@
+# Copyright (c) 2017 Pure Storage Inc, or its subsidiaries.
+#
+# 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.
+heat_template_version: ocata
+
+description: >
+  Openstack Cinder Pure Storage FlashArray backend
+
+parameters:
+  CinderEnablePureBackend:
+    type: boolean
+    default: true
+  CinderPureBackendName:
+    type: string
+    default: 'tripleo_pure'
+  CinderPureStorageProtocol:
+    type: string
+    default: 'iSCSI'
+  CinderPureSanIp:
+    type: string
+  CinderPureAPIToken:
+    type: string
+  CinderPureUseChap:
+    type: boolean
+    default: false
+  CinderPureMultipathXfer:
+    type: boolean
+    default: true
+  ServiceNetMap:
+    default: {}
+    description: Mapping of service_name -> network name. Typically set
+                 via parameter_defaults in the resource registry.  This
+                 mapping overrides those in ServiceNetMapDefaults.
+    type: json
+  DefaultPasswords:
+    default: {}
+    type: json
+  EndpointMap:
+    default: {}
+    type: json
+    description: Mapping of service endpoint -> protocol. Typically set
+                 via parameter_defaults in the resource registry.
+
+outputs:
+  role_data:
+    description: Role data for the Cinder Pure Storage FlashArray backend.
+    value:
+      service_name: cinder_backend_pure
+      config_settings:
+                tripleo::profile::base::cinder::volume::cinder_enable_pure_backend: {get_param: CinderEnablePureBackend}
+                cinder::backend::pure::volume_backend_name: {get_param: CinderPureBackendName}
+                cinder::backend::pure::pure_storage_protocol: {get_param: CinderPureStorageProtocol}
+                cinder::backend::pure::san_ip: {get_param: CinderPureSanIp}
+                cinder::backend::pure::pure_api_token: {get_input: PureAPIToken}
+                cinder::backend::pure::use_chap_auth: {get_input: PureUseChap}
+                cinder::backend::pure::use_multipath_for_image_xfer: {get_input: PureMultipathXfer}
+      step_config: |
+        include ::tripleo::profile::base::cinder::volume

releasenotes/notes/add-support-for-pure-cinder-1a595f1940d5a06f.yaml

@@ -0,0 +1,3 @@
+---
+features:
+  - Added Pure Storage FlashArray iSCSI and FC backend support for cinder