21241934 ZFSSA driver should return free (vs available) space s11u3-sru
authorsaurabh.vyas@oracle.com
Tue, 26 Jan 2016 11:13:13 -0800
branchs11u3-sru
changeset 5371 5b68a9f17292
parent 5370 409525ea516c
child 5378 b92a623025e5
21241934 ZFSSA driver should return free (vs available) space 22158523 Can't boot zone as iscsi lun has changed
components/openstack/cinder/patches/10-zfssa-free-space.patch
components/openstack/cinder/patches/11-zfssa-pep-iscsi.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/openstack/cinder/patches/10-zfssa-free-space.patch	Tue Jan 26 11:13:13 2016 -0800
@@ -0,0 +1,57 @@
+From 075ff30d7d8bbeca1af634718f3cb19099bc44b3 Mon Sep 17 00:00:00 2001
+From: Abhiram Moturi <[email protected]>
+Date: Mon, 10 Aug 2015 14:23:09 +0000
+Subject: [PATCH] ZFSSA driver to return project 'available' space
+
+This fix allows the iSCSI driver to return the 'available' space
+property at project level instead of the pool level which is more
+accurate in cases when storage is not thin provisioned.
+
+Change-Id: I52dec5e527eab393fd464fbc7f4f910fafb67268
+Closes-Bug: #1479342
+---
+--- cinder-2014.2.2/cinder/volume/drivers/zfssa/zfssarest.py.~1~	2015-11-08 22:01:48.358042338 -0800
++++ cinder-2014.2.2/cinder/volume/drivers/zfssa/zfssarest.py	2015-11-08 22:02:05.691920138 -0800
[email protected]@ -82,7 +82,7 @@
+                                 'ret.status': ret.status,
+                                 'ret.data': ret.data})
+             LOG.error(exception_msg)
+-            raise exception.InvalidVolume(reason=exception_msg)
++            raise exception.VolumeBackendAPIException(data=exception_msg)
+ 
+         val = json.loads(ret.data)
+ 
[email protected]@ -95,10 +95,31 @@
+             LOG.error(exception_msg)
+             raise exception.InvalidInput(reason=pool)
+ 
+-        avail = val['pool']['usage']['available']
+         total = val['pool']['usage']['total']
+ 
+-        return avail, total
++        return total
++
++    def get_project_stats(self, pool, project):
++        """Get available space of a project."""
++        svc = '/api/storage/v1/pools/%s/projects/%s' % (pool, project)
++        ret = self.rclient.get(svc)
++        if ret.status != restclient.Status.OK:
++            exception_msg = (_('Error Getting Project Stats: '
++                               'Pool: %(pool)s '
++                               'Project: %(project)s '
++                               'Return code: %(ret.status)d '
++                               'Message: %(ret.data)s.')
++                             % {'pool': pool,
++                                'project': project,
++                                'ret.status': ret.status,
++                                'ret.data': ret.data})
++            LOG.error(exception_msg)
++            raise exception.VolumeBackendAPIException(data=exception_msg)
++ 
++        val = json.loads(ret.data)
++        avail = val['project']['space_available']
++ 
++        return avail
+ 
+     def create_project(self, pool, project, compression=None, logbias=None):
+         """Create a project on a pool
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/openstack/cinder/patches/11-zfssa-pep-iscsi.patch	Tue Jan 26 11:13:13 2016 -0800
@@ -0,0 +1,25 @@
+--- cinder-2014.2.2/cinder/volume/drivers/zfssa/zfssaiscsi.py.~1~	2015-02-05 08:03:26.000000000 -0800
++++ cinder-2014.2.2/cinder/volume/drivers/zfssa/zfssaiscsi.py	2015-11-08 21:59:29.027424535 -0800
[email protected]@ -290,7 +290,9 @@
+         data["storage_protocol"] = self.protocol
+ 
+         lcfg = self.configuration
+-        (avail, total) = self.zfssa.get_pool_stats(lcfg.zfssa_pool)
++        total = self.zfssa.get_pool_stats(lcfg.zfssa_pool)
++        avail = self.zfssa.get_project_stats(lcfg.zfssa_pool,
++                                             lcfg.zfssa_project)
+         if avail is None or total is None:
+             return
+ 
[email protected]@ -334,9 +336,8 @@
+                                           '')
+ 
+     def ensure_export(self, context, volume):
+-        """Driver entry point to get the export info for an existing volume."""
+-        LOG.debug('ensure_export: volume name: %s' % volume['name'])
+-        return self._export_volume(volume)
++        """Synchronously recreates an export for a volume."""
++        pass
+ 
+     def copy_image_to_volume(self, context, volume, image_service, image_id):
+         self.ensure_export(context, volume)