Change in vdsm[master]: DONTMERGE: bench-only: fake MOM.
fromani at redhat.com
fromani at redhat.com
Mon Jan 19 15:41:02 UTC 2015
Francesco Romani has uploaded a new change for review.
Change subject: DONTMERGE: bench-only: fake MOM.
......................................................................
DONTMERGE: bench-only: fake MOM.
Let's pretend MOM is not in the VDSM process.
This patch is posted on gerrit only for easier
sharing. Should never be merged.
Change-Id: Icccf080e504e780f8a091835c7962e514796fe92
Signed-off-by: Francesco Romani <fromani at redhat.com>
---
M lib/vdsm/config.py.in
M vdsm/clientIF.py
M vdsm/momIF.py
3 files changed, 41 insertions(+), 2 deletions(-)
git pull ssh://gerrit.ovirt.org:29418/vdsm refs/changes/83/37083/1
diff --git a/lib/vdsm/config.py.in b/lib/vdsm/config.py.in
index b76de8d..357e09e 100644
--- a/lib/vdsm/config.py.in
+++ b/lib/vdsm/config.py.in
@@ -350,6 +350,8 @@
('python_warnings_enable', 'false',
'Display python warnings in the log'),
+ ('fake_mom', 'false',
+ 'Fakes MOM. Use ONLY for benchmark/development purposes!'),
]),
]
diff --git a/vdsm/clientIF.py b/vdsm/clientIF.py
index 85c0705..5ab579c 100644
--- a/vdsm/clientIF.py
+++ b/vdsm/clientIF.py
@@ -28,7 +28,7 @@
import alignmentScan
from vdsm.config import config
-from momIF import MomThread
+from momIF import MomThread, FakeMom
from vdsm.compat import pickle
from vdsm.define import doneCode, errCode
import libvirt
@@ -212,7 +212,10 @@
def _prepareMOM(self):
momconf = config.get("mom", "conf")
- self.mom = MomThread(momconf)
+ if config.getboolean('devel', 'fake_mom'):
+ self.mom = FakeMom(momconf)
+ else:
+ self.mom = MomThread(momconf)
def prepareForShutdown(self):
"""
diff --git a/vdsm/momIF.py b/vdsm/momIF.py
index d70d826..7ade139 100644
--- a/vdsm/momIF.py
+++ b/vdsm/momIF.py
@@ -92,3 +92,37 @@
return 'active'
else:
return 'inactive'
+
+
+class FakeMom(object):
+
+ def __init__(self, momconf):
+ self.log = logging.getLogger("MOM")
+ self.log.info("Faking up MOM")
+ self._conf = momconf
+
+ def getKsmStats(self):
+ """
+ Get information about KSM and convert memory data from page
+ based values to MiB.
+ """
+ ret = {}
+ ret['ksmState'] = False
+ ret['ksmPages'] = 0
+ ret['memShared'] = 0
+ ret['memShared'] = 0
+ ret['ksmCpu'] = 0
+ return ret
+
+ def setPolicy(self, policyStr):
+ # mom.setPolicy will raise an exception on failure.
+ pass
+
+ def setPolicyParameters(self, key_value_store):
+ pass
+
+ def stop(self):
+ self.log.info("Shutting down Faked MOM")
+
+ def getStatus(self):
+ return 'inactive'
--
To view, visit http://gerrit.ovirt.org/37083
To unsubscribe, visit http://gerrit.ovirt.org/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: Icccf080e504e780f8a091835c7962e514796fe92
Gerrit-PatchSet: 1
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Francesco Romani <fromani at redhat.com>
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