This is for volume clone testing by using createXMLFrom API
* add the vol_clone case under storage
it is general for all pool types
* add cases into confs:
cases/storage_dir.conf
cases/storage_logical.conf
cases/storage_netfs.conf
* add variable 'defaultvolclonename' in global.cfg
Signed-off-by: Wayne Sun <gsun@xxxxxxxxxx>
---
cases/storage_dir.conf | 14 +++++++
cases/storage_logical.conf | 14 +++++++
cases/storage_netfs.conf | 14 +++++++
global.cfg | 2 +
repos/storage/vol_clone.py | 81 ++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 125 insertions(+), 0 deletions(-)
create mode 100644 repos/storage/vol_clone.py
diff --git a/cases/storage_dir.conf b/cases/storage_dir.conf
index dcac700..38b349d 100644
--- a/cases/storage_dir.conf
+++ b/cases/storage_dir.conf
@@ -20,6 +20,20 @@ storage:create_dir_volume
capacity
$defaultvolumesize
+storage:vol_clone
+ poolname
+ $defaultpoolname
+ volname
+ $defaultvolumename
+ clonevolname
+ $defaultvolclonename
+
+storage:delete_dir_volume
+ poolname
+ $defaultpoolname
+ volname
+ $defaultvolclonename
+
storage:delete_dir_volume
poolname
$defaultpoolname
diff --git a/cases/storage_logical.conf b/cases/storage_logical.conf
index 3334abd..d374dfa 100644
--- a/cases/storage_logical.conf
+++ b/cases/storage_logical.conf
@@ -22,6 +22,20 @@ storage:create_logical_volume
capacity
$defaultvolumesize
+storage:vol_clone
+ poolname
+ $defaultpoolname
+ volname
+ $defaultvolumename
+ clonevolname
+ $defaultvolclonename
+
+storage:delete_logical_volume
+ poolname
+ $defaultpoolname
+ volname
+ $defaultvolclonename
+
storage:delete_logical_volume
poolname
$defaultpoolname
diff --git a/cases/storage_netfs.conf b/cases/storage_netfs.conf
index e764813..f486ff4 100644
--- a/cases/storage_netfs.conf
+++ b/cases/storage_netfs.conf
@@ -24,6 +24,20 @@ storage:create_netfs_volume
capacity
$defaultvolumesize
+storage:vol_clone
+ poolname
+ $defaultpoolname
+ volname
+ $defaultvolumename
+ clonevolname
+ $defaultvolclonename
+
+storage:delete_netfs_volume
+ poolname
+ $defaultpoolname
+ volname
+ $defaultvolclonename
+
storage:delete_netfs_volume
poolname
$defaultpoolname
diff --git a/global.cfg b/global.cfg
index 9e28614..182acbd 100644
--- a/global.cfg
+++ b/global.cfg
@@ -156,6 +156,8 @@ defaultpoolname = test_api_pool
defaultpoolpath = /var/lib/libvirt/images/dir_pool
# default volume name for creating new volume
defaultvolumename = test_api_volume
+# default clone volume name for clone a volume
+defaultvolclonename = test_clone_volume
# default volume type for creating a new volume
defaultvolumetype = raw
# default volume capacity for creating a new volume
diff --git a/repos/storage/vol_clone.py b/repos/storage/vol_clone.py
new file mode 100644
index 0000000..abf5644
--- /dev/null
+++ b/repos/storage/vol_clone.py
@@ -0,0 +1,81 @@
+#!/usr/bin/env python
+# volume clone testing
+
+import os
+from xml.dom import minidom
+
+import libvirt
+from libvirt import libvirtError
+
+from src import sharedmod
+
+required_params = ('poolname', 'volname', 'clonevolname',)
+optional_params = {}
+
+def prepare_clone_xml(xmlstr, volname):
+ """prepare clone xmldesc by replace name element
+ with clone souce volume xml
+ """
+ doc = minidom.parseString(xmlstr)
+ oldname = doc.getElementsByTagName("name")[0]
+
+ newname = doc.createElement('name')
+ newnameval = doc.createTextNode(volname)
+ newname.appendChild(newnameval)
+
+ volume = doc.getElementsByTagName('volume')[0]
+
+ volume.replaceChild(newname, oldname)
+ newxmlstr = doc.toxml()
+
+ return newxmlstr
+
+def vol_clone(params):
+ """volume clone testing"""
+
+ global logger
+ logger = params['logger']
+ poolname = params['poolname']
+ volname = params['volname']
+ clonevolname = params['clonevolname']
+
+ logger.info("the poolname is %s, volname is %s" % (poolname, volname))
+ logger.info("the clone volume name is %s" % clonevolname)
+
+ conn = sharedmod.libvirtobj['conn']
+ try:
+ poolobj = conn.storagePoolLookupByName(poolname)
+ old_vol = poolobj.storageVolLookupByName(volname)
+
+ xmlstr = old_vol.XMLDesc(0)
+ newxmlstr = prepare_clone_xml(xmlstr, clonevolname)
+ logger.debug("volume xml:\n%s" % newxmlstr)
+
+ logger.info("clone volume %s from source volume %s" %
+ (clonevolname, volname))
+
+ old_volnum = poolobj.numOfVolumes()
+
+ new_vol = poolobj.createXMLFrom(newxmlstr, old_vol, 0)
+ poolobj.refresh(0)
+
+ new_volnum = poolobj.numOfVolumes()
+
+ logger.debug("new cloned volume path is: %s" % new_vol.path())
+ if os.access(new_vol.path(), os.R_OK):
+ logger.info("cloned volume path exist")
+ else:
+ logger.error("cloned volume path not exist")
+ return 1
+
+ if new_volnum > old_volnum:
+ logger.info("clone succeed")
+ else:
+ logger.error("clone failed")
+ return 1
+
+ except libvirtError, e:
+ logger.error("libvirt call failed: " + str(e))
+ return 1
+
+ return 0
--
1.7.1
--
libvir-list mailing list
libvir-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/libvir-list