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Add configurable VM shutdown timeout 

Closes #102
This commit is contained in:
Joshua Boniface 2020-08-20 21:26:12 -04:00
parent 3dbdd12d8f
commit 3cc7df63f2
3 changed files with 7 additions and 5 deletions
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2
node-daemon/pvcnoded.sample.yaml
View File

@ -96,6 +96,8 @@ pvc:
system:
# intervals: Intervals for keepalives and fencing
intervals:
# vm_shutdown_timeout: Number of seconds for a VM to 'shutdown' before being forced off
vm_shutdown_timeout: 180
# keepalive_interval: Number of seconds between keepalive/status updates
keepalive_interval: 5
# fence_intervals: Number of keepalive_intervals to declare a node dead and fence it

1
node-daemon/pvcnoded/Daemon.py
View File

@ -155,6 +155,7 @@ def readConfig(pvcnoded_config_file, myhostname):
'log_keepalive_cluster_details': o_config['pvc']['system']['configuration']['logging']['log_keepalive_cluster_details'],
'log_keepalive_storage_details': o_config['pvc']['system']['configuration']['logging']['log_keepalive_storage_details'],
'console_log_lines': o_config['pvc']['system']['configuration']['logging']['console_log_lines'],
'vm_shutdown_timeout': int(o_config['pvc']['system'['intervals']['vm_shutdown_timeout']),
'keepalive_interval': int(o_config['pvc']['system']['intervals']['keepalive_interval']),
'fence_intervals': int(o_config['pvc']['system']['intervals']['fence_intervals']),
'suicide_intervals': int(o_config['pvc']['system']['intervals']['suicide_intervals']),

9
node-daemon/pvcnoded/VMInstance.py
View File

@ -301,8 +301,8 @@ class VMInstance(object):
self.dom.shutdown()
tick = 0
while True:
tick += 2
time.sleep(2)
tick += 1
time.sleep(1)
# Abort shutdown if the state changes to start
current_state = zkhandler.readdata(self.zk_conn, '/domains/{}/state'.format(self.domuuid))
@ -325,9 +325,8 @@ class VMInstance(object):
self.console_log_instance.stop()
break
# HARDCODE: 90s is a reasonable amount of time for any operating system to shut down cleanly
if tick >= 90:
self.logger.out('Shutdown timeout expired', state='e', prefix='Domain {}:'.format(self.domuuid))
if tick >= self.config['vm_shutdown_timeout']:
self.logger.out('Shutdown timeout ({}s) expired, forcing off'.format(self.config['vm_shutdown_timeout']), state='e', prefix='Domain {}:'.format(self.domuuid))
zkhandler.writedata(self.zk_conn, { '/domains/{}/state'.format(self.domuuid): 'stop' })
break