[Kimchi-devel] [PATCH V11 2/7] add method to test libvirt metadata api are available

shaohef at linux.vnet.ibm.com shaohef at linux.vnet.ibm.com
Mon Apr 28 15:44:23 UTC 2014


From: ShaoHe Feng <shaohef at linux.vnet.ibm.com>

same mechanism with other feature tests.

Signed-off-by: ShaoHe Feng <shaohef at linux.vnet.ibm.com>
Signed-off-by: Royce Lv <lvroyce at linux.vnet.ibm.com>
---
 src/kimchi/featuretests.py | 31 +++++++++++++++++++++++++++++++
 src/kimchi/model/config.py |  2 ++
 2 files changed, 33 insertions(+)

diff --git a/src/kimchi/featuretests.py b/src/kimchi/featuretests.py
index b1001ea..5192361 100644
--- a/src/kimchi/featuretests.py
+++ b/src/kimchi/featuretests.py
@@ -28,6 +28,7 @@ import threading
 from lxml.builder import E
 
 
+from kimchi.rollbackcontext import RollbackContext
 from kimchi.utils import kimchi_log
 
 
@@ -53,6 +54,16 @@ ISO_STREAM_XML = """
   </devices>
 </domain>"""
 
+SIMPLE_VM_XML = """
+<domain type='kvm'>
+  <name>A_SIMPLE_VM</name>
+  <memory unit='KiB'>10240</memory>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+</domain>"""
+
 SCSI_FC_XML = """
 <pool type='scsi'>
   <name>TEST_SCSI_FC_POOL</name>
@@ -175,3 +186,23 @@ class FeatureTests(object):
             pool is None or pool.undefine()
             conn is None or conn.close()
         return True
+
+    @staticmethod
+    def has_metadata_support():
+        KIMCHI_META_URL = "https://github.com/kimchi-project/kimchi/"
+        KIMCHI_NAMESPACE = "kimchi"
+        with RollbackContext() as rollback:
+            FeatureTests.disable_screen_error_logging()
+            rollback.prependDefer(FeatureTests.enable_screen_error_logging)
+            conn = libvirt.open('qemu:///system')
+            rollback.prependDefer(conn.close)
+            dom = conn.defineXML(SIMPLE_VM_XML)
+            rollback.prependDefer(dom.undefine)
+            try:
+                dom.setMetadata(libvirt.VIR_DOMAIN_METADATA_ELEMENT,
+                                "<metatest/>", KIMCHI_NAMESPACE,
+                                KIMCHI_META_URL,
+                                flags=libvirt.VIR_DOMAIN_AFFECT_CURRENT)
+                return True
+            except libvirt.libvirtError:
+                return False
diff --git a/src/kimchi/model/config.py b/src/kimchi/model/config.py
index c9e3e9d..0ef0855 100644
--- a/src/kimchi/model/config.py
+++ b/src/kimchi/model/config.py
@@ -53,6 +53,7 @@ class CapabilitiesModel(object):
         self.qemu_stream_dns = False
         self.libvirt_stream_protocols = []
         self.fc_host_support = False
+        self.metadata_support = False
 
         # Subscribe function to set host capabilities to be run when cherrypy
         # server is up
@@ -65,6 +66,7 @@ class CapabilitiesModel(object):
         self.qemu_stream_dns = FeatureTests.qemu_iso_stream_dns()
         self.nfs_target_probe = FeatureTests.libvirt_support_nfs_probe()
         self.fc_host_support = FeatureTests.libvirt_support_fc_host()
+        self.metadata_support = FeatureTests.has_metadata_support()
 
         self.libvirt_stream_protocols = []
         for p in ['http', 'https', 'ftp', 'ftps', 'tftp']:
-- 
1.9.0




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