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Increase initial lock timer 

With the new library the reader seems to be a little too quick, so hold
the write lock for 1 second instead of 1/2 second to ensure it is
caught.
This commit is contained in:
Joshua Boniface 2021-06-01 17:00:11 -04:00
parent 9764090d6d
commit cd75413667
1 changed files with 5 additions and 5 deletions
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10
node-daemon/pvcnoded/VMInstance.py
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@ -494,7 +494,7 @@ class VMInstance(object):
self.logger.out('Acquiring write lock for synchronization phase B', state='i', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Acquiring write lock for synchronization phase B', state='i', prefix='Domain {}'.format(self.domuuid))
lock.acquire() lock.acquire()
self.logger.out('Acquired write lock for synchronization phase B', state='o', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Acquired write lock for synchronization phase B', state='o', prefix='Domain {}'.format(self.domuuid))
time.sleep(0.5) # Time fir reader to acquire the lock time.sleep(0.5) # Time for reader to acquire the lock
def migrate_live(): def migrate_live():
self.logger.out('Setting up live migration', state='i', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Setting up live migration', state='i', prefix='Domain {}'.format(self.domuuid))
@ -584,7 +584,7 @@ class VMInstance(object):
self.logger.out('Acquiring write lock for synchronization phase C', state='i', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Acquiring write lock for synchronization phase C', state='i', prefix='Domain {}'.format(self.domuuid))
lock.acquire() lock.acquire()
self.logger.out('Acquired write lock for synchronization phase C', state='o', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Acquired write lock for synchronization phase C', state='o', prefix='Domain {}'.format(self.domuuid))
time.sleep(0.5) # Time fir reader to acquire the lock time.sleep(0.5) # Time for reader to acquire the lock
if do_migrate_shutdown: if do_migrate_shutdown:
migrate_shutdown() migrate_shutdown()
@ -635,11 +635,11 @@ class VMInstance(object):
self.logger.out('Acquiring write lock for synchronization phase A', state='i', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Acquiring write lock for synchronization phase A', state='i', prefix='Domain {}'.format(self.domuuid))
lock.acquire() lock.acquire()
self.logger.out('Acquired write lock for synchronization phase A', state='o', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Acquired write lock for synchronization phase A', state='o', prefix='Domain {}'.format(self.domuuid))
time.sleep(0.5) # Time fir reader to acquire the lock time.sleep(1) # Time for reader to acquire the lock
self.logger.out('Releasing write lock for synchronization phase A', state='i', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Releasing write lock for synchronization phase A', state='i', prefix='Domain {}'.format(self.domuuid))
lock.release() lock.release()
self.logger.out('Released write lock for synchronization phase A', state='o', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Released write lock for synchronization phase A', state='o', prefix='Domain {}'.format(self.domuuid))
time.sleep(0.1) # Time fir new writer to acquire the lock time.sleep(0.1) # Time for new writer to acquire the lock
# Synchronize nodes B (I am reader) # Synchronize nodes B (I am reader)
lock = self.zkhandler.readlock('/locks/domain_migrate/{}'.format(self.domuuid)) lock = self.zkhandler.readlock('/locks/domain_migrate/{}'.format(self.domuuid))
@ -669,7 +669,7 @@ class VMInstance(object):
self.logger.out('Acquiring write lock for synchronization phase D', state='i', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Acquiring write lock for synchronization phase D', state='i', prefix='Domain {}'.format(self.domuuid))
lock.acquire() lock.acquire()
self.logger.out('Acquired write lock for synchronization phase D', state='o', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Acquired write lock for synchronization phase D', state='o', prefix='Domain {}'.format(self.domuuid))
time.sleep(0.5) # Time fir reader to acquire the lock time.sleep(0.5) # Time for reader to acquire the lock
self.state = self.zkhandler.read('/domains/{}/state'.format(self.domuuid)) self.state = self.zkhandler.read('/domains/{}/state'.format(self.domuuid))
self.dom = self.lookupByUUID(self.domuuid) self.dom = self.lookupByUUID(self.domuuid)