[Kimchi-devel] [PATCH v2 09/10] snapshot: Delete snapshots when deleting a VM

If a virtual machine is deleted, its snapshots should also be deleted. Update the function "VMModel.delete" in order to delete snapshots before deleting the virtual machine. Signed-off-by: Crístian Viana <vianac(a)linux.vnet.ibm.com&gt; --- src/kimchi/model/vms.py | 18 ++++++++++++++++++ tests/test_model.py | 3 +-- 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/src/kimchi/model/vms.py b/src/kimchi/model/vms.py index d194049..211e438 100644 --- a/src/kimchi/model/vms.py +++ b/src/kimchi/model/vms.py @@ -268,6 +268,10 @@ class VMModel(object): self.storagepool = model.storagepools.StoragePoolModel(**kargs) self.storagevolume = model.storagevolumes.StorageVolumeModel(**kargs) self.storagevolumes = model.storagevolumes.StorageVolumesModel(**kargs) + cls = import_class('kimchi.model.vmsnapshots.VMSnapshotModel') + self.vmsnapshot = cls(**kargs) + cls = import_class('kimchi.model.vmsnapshots.VMSnapshotsModel') + self.vmsnapshots = cls(**kargs) def update(self, name, params): dom = self.get_vm(name, self.conn) @@ -752,6 +756,20 @@ class VMModel(object): if info['state'] == 'running': self.poweroff(name) + # delete existing snapshots before deleting VM + + # libvirt's Test driver does not support the function + # "virDomainListAllSnapshots", so "VMSnapshots.get_list" will raise + # "OperationFailed" in that case. + try: + snapshot_names = self.vmsnapshots.get_list(name) + except OperationFailed, e: + kimchi_log.error('cannot list snapshots: %s; ' + 'skipping snapshot deleting...' % e.message) + else: + for s in snapshot_names: + self.vmsnapshot.delete(name, s) + try: dom.undefine() except libvirt.libvirtError as e: diff --git a/tests/test_model.py b/tests/test_model.py index cbcaed7..86ab24a 100644 --- a/tests/test_model.py +++ b/tests/test_model.py @@ -122,10 +122,9 @@ class ModelTests(unittest.TestCase): self.assertRaises(NotFoundError, inst.currentvmsnapshot_lookup, u'kimchi-vm') + # this snapshot should be deleted when its VM is deleted params = {'name': u'mysnap'} task = inst.vmsnapshots_create(u'kimchi-vm', params) - rollback.prependDefer(inst.vmsnapshot_delete, - u'kimchi-vm', params['name']) inst.task_wait(task['id']) task = inst.task_lookup(task['id']) self.assertEquals('finished', task['status']) -- 1.9.3