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Improve handling of keepalive and message printing

This commit is contained in:
Joshua Boniface 2018-06-06 14:53:28 -04:00
parent 66fe258655
commit 0794cc854c
2 changed files with 15 additions and 15 deletions
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26
NodeInstance.py
View File

@ -143,14 +143,7 @@ class NodeInstance():
conn = libvirt.open(libvirt_name) conn = libvirt.open(libvirt_name)
if conn == None: if conn == None:
print('>>> Failed to open connection to %s' % libvirt_name) print('>>> Failed to open connection to %s' % libvirt_name)
exit(1) return
# Gather data about hypervisor
self.name = conn.getHostname()
self.cpucount = conn.getCPUMap()[0]
self.zk.set(self.zkey + '/cpucount', str(self.cpucount).encode('ascii'))
print("Node hostname: %s" % self.name)
print("CPUs: %s" % self.cpucount)
# Get past state and update if needed # Get past state and update if needed
past_state = self.zk.get(self.zkey + '/state')[0].decode('ascii') past_state = self.zk.get(self.zkey + '/state')[0].decode('ascii')
@ -182,17 +175,22 @@ class NodeInstance():
pass pass
# Set our information in zookeeper # Set our information in zookeeper
self.name = conn.getHostname()
self.cpucount = conn.getCPUMap()[0]
self.memfree = conn.getFreeMemory() self.memfree = conn.getFreeMemory()
self.cpuload = os.getloadavg()[0] self.cpuload = os.getloadavg()[0]
try: try:
self.zk.set(self.zkey + '/cpucount', str(self.cpucount).encode('ascii'))
self.zk.set(self.zkey + '/memfree', str(self.memfree).encode('ascii')) self.zk.set(self.zkey + '/memfree', str(self.memfree).encode('ascii'))
self.zk.set(self.zkey + '/cpuload', str(self.cpuload).encode('ascii')) self.zk.set(self.zkey + '/cpuload', str(self.cpuload).encode('ascii'))
self.zk.set(self.zkey + '/runningdomains', ' '.join(self.domain_list).encode('ascii')) self.zk.set(self.zkey + '/runningdomains', ' '.join(self.domain_list).encode('ascii'))
except: except:
return return
print(">>> %s - Free memory: %s | Load: %s" % ( time.strftime("%d/%m/%Y %H:%M:%S"), self.memfree, self.cpuload )) # Display node information to the terminal
print("Active domains: %s" % self.domain_list) print('>>> {} - {} keepalive'.format(time.strftime('%d/%m/%Y %H:%M:%S'), self.name))
print(' CPUs: {} | Free memory: {} | Load: {}'.format(self.cpucount, self.memfree, self.cpuload))
print(' Active domains: {}'.format(' '.join(self.domain_list)))
# Update our local node lists # Update our local node lists
for node_name in self.t_node: for node_name in self.t_node:
@ -233,6 +231,8 @@ class NodeInstance():
except ValueError: except ValueError:
pass pass
print('Active nodes: %s' % self.active_node_list) # Display cluster information to the terminal
print('Flushed nodes: %s' % self.flushed_node_list) print('>>> {} - Cluster status'.format(time.strftime('%d/%m/%Y %H:%M:%S')))
print('Inactive nodes: %s' % self.inactive_node_list) print(' Active nodes: {}'.format(' '.join(self.active_node_list)))
print(' Flushed nodes: {}'.format(' '.join(self.flushed_node_list)))
print(' Inactive nodes: {}'.format(' '.join(self.inactive_node_list)))

2
pvcd.py
View File

@ -119,7 +119,7 @@ update_zookeeper = this_node.update_zookeeper
# Create timer to update this node in Zookeeper # Create timer to update this node in Zookeeper
update_timer = apscheduler.schedulers.background.BackgroundScheduler() update_timer = apscheduler.schedulers.background.BackgroundScheduler()
update_timer.add_job(update_zookeeper, 'interval', seconds=2) update_timer.add_job(update_zookeeper, 'interval', seconds=5)
update_timer.start() update_timer.start()
# Tick loop # Tick loop