6:12 a.m.
- 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 | 26 +++++++++++++++++++++++++-
tests/test_rest.py | 19 +++++++++++++++----
vmtemplate.py | 8 --------
3 files changed, 40 insertions(+), 13 deletions(-)
diff --git a/model/templates.py b/model/templates.py
index a02099c..1cdb99b 100644
--- a/model/templates.py
+++ b/model/templates.py
@@ -23,6 +23,7 @@ import magic
import os
import platform
import psutil
+import shutil
import stat
import urlparse
@@ -378,7 +379,30 @@ 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:
+ image_dir = os.path.dirname(v['base']['path'])
+ image_name = os.path.basename(v['base']['path'])
+ volume_dir = os.path.dirname(v['path'])
+
+ if image_dir != volume_dir:
+ shutil.copy(v['base']['path'], volume_dir)
+
+ pool.refresh()
+
+ volume_base = pool.storageVolLookupByName(image_name)
+
+ 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/tests/test_rest.py b/tests/test_rest.py
index a009ed3..997611e 100644
--- a/tests/test_rest.py
+++ b/tests/test_rest.py
@@ -1030,9 +1030,13 @@ class RestTests(unittest.TestCase):
self.assertIn(u"KCHVM0012E", resp['reason'])
def test_create_vm_with_img_based_template(self):
+ self._create_pool('pool-imgbs')
+ self.request('/plugins/kimchi/storagepools/pool-imgbs/activate',
'{}',
+ 'POST')
+
resp = json.loads(
self.request(
- '/plugins/kimchi/storagepools/default-pool/storagevolumes'
+ '/plugins/kimchi/storagepools/pool-imgbs/storagevolumes'
).read()
)
self.assertEquals(0, len(resp))
@@ -1040,8 +1044,15 @@ class RestTests(unittest.TestCase):
# Create a Template
mock_base = '/tmp/mock.img'
os.system("qemu-img create -f qcow2 %s 10M" % mock_base)
- req = json.dumps({'name': 'test', 'source_media':
mock_base})
- resp = self.request('/plugins/kimchi/templates', req, 'POST')
+
+ tmpl_params = {
+ 'name': 'test', 'source_media': mock_base,
+ 'disks': [{'pool':
+ {'name':
'/plugins/kimchi/storagepools/pool-imgbs'}}]}
+
+ resp = self.request('/plugins/kimchi/templates',
+ json.dumps(tmpl_params),
+ 'POST')
self.assertEquals(201, resp.status)
req = json.dumps({'template': '/plugins/kimchi/templates/test'})
@@ -1053,7 +1064,7 @@ class RestTests(unittest.TestCase):
# Test storage volume created with backing store of base file
resp = json.loads(
self.request(
- '/plugins/kimchi/storagepools/default-pool/storagevolumes'
+ '/plugins/kimchi/storagepools/pool-imgbs/storagevolumes'
).read()
)
self.assertEquals(1, len(resp))
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