[Kimchi-devel] [PATCH v2] [Kimchi] Replace backing image by clone when using template based on existing img
- This commit replaces the current backing image to a complete clone
when using a template based on an existing template.
Signed-off-by: Jose Ricardo Ziviani <joserz(a)linux.vnet.ibm.com>
---
model/templates.py | 17 ++++++++++++++++-
vmtemplate.py | 8 --------
2 files changed, 16 insertions(+), 9 deletions(-)
diff --git a/model/templates.py b/model/templates.py
index a02099c..9ae7f5e 100644
--- a/model/templates.py
+++ b/model/templates.py
@@ -378,7 +378,22 @@ class LibvirtVMTemplate(VMTemplate):
for v in vol_list:
pool = self._get_storage_pool(v['pool'])
# outgoing text to libvirt, encode('utf-8')
- pool.createXML(v['xml'].encode('utf-8'), 0)
+ if 'base' in v and 'path' in v['base']:
+ conn = self.conn.get()
+ try:
+ volume_base = conn.storageVolLookupByPath(
+ v['base']['path'])
+
+ except libvirt.libvirtError as e:
+ pool.createXML(v['xml'].encode('utf-8'), 0)
+ continue
+
+ pool.createXMLFrom(v['xml'].encode('utf-8'),
+ volume_base,
+ 0)
+ else:
+ pool.createXML(v['xml'].encode('utf-8'), 0)
+
except libvirt.libvirtError as e:
raise OperationFailed("KCHVMSTOR0008E", {'error':
e.message})
return vol_list
diff --git a/vmtemplate.py b/vmtemplate.py
index a223beb..4ce5d19 100644
--- a/vmtemplate.py
+++ b/vmtemplate.py
@@ -264,14 +264,6 @@ class VMTemplate(object):
v_tree.append(E.capacity(str(info['capacity']), unit='G'))
target_fmt = info['format']
- if 'base' in d:
- # target must be qcow2 in order to use a backing file
- target_fmt = 'qcow2'
-
- v_tree.append(E.backingStore(
- E.path(info['base']['path']),
- E.format(type=info['base']['format'])))
-
target = E.target(
E.format(type=target_fmt), E.path(info['path']))
v_tree.append(target)
--
1.9.1