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pvc
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Reword some of the stuff and handle updates better

This commit is contained in:
Joshua Boniface 2018-06-12 02:12:36 -04:00
parent 1e9c225a87
commit d0a76b2ecb
3 changed files with 34 additions and 14 deletions
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22
NodeInstance.py
View File

@ -155,7 +155,7 @@ class NodeInstance():
transaction.set_data('/domains/{}/state'.format(dom_uuid), 'migrate'.encode('ascii'))
transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), target_hypervisor.encode('ascii'))
transaction.set_data('/domains/{}/lasthypervisor'.format(dom_uuid), current_hypervisor.encode('ascii'))
result = transaction.commit()
transaction.commit()
# Wait 2s between migrations
time.sleep(2)
@ -177,7 +177,7 @@ class NodeInstance():
transaction.set_data('/domains/{}/state'.format(dom_uuid), 'migrate'.encode('ascii'))
transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), self.name.encode('ascii'))
transaction.set_data('/domains/{}/lasthypervisor'.format(dom_uuid), ''.encode('ascii'))
result = transaction.commit()
transaction.commit()
# Wait 2s between migrations
time.sleep(2)
@ -196,7 +196,7 @@ class NodeInstance():
past_state = self.zk.get('/nodes/{}/daemonstate'.format(self.name))[0].decode('ascii')
if past_state != 'start':
self.daemon_state = 'start'
self.zk.set('/nodes/{}/daemonstate'.format(self.name), 'start'.encode('ascii'))
self.zk.set('/nodes/{}/daemonstate'.format(self.name), 'run'.encode('ascii'))
else:
self.daemon_state = 'start'
@ -221,13 +221,15 @@ class NodeInstance():
self.domains_count = len(conn.listDomainsID())
keepalive_time = int(time.time())
try:
self.zk.set('/nodes/{}/cpucount'.format(self.name), str(self.cpucount).encode('ascii'))
self.zk.set('/nodes/{}/memused'.format(self.name), str(self.memused).encode('ascii'))
self.zk.set('/nodes/{}/memfree'.format(self.name), str(self.memfree).encode('ascii'))
self.zk.set('/nodes/{}/cpuload'.format(self.name), str(self.cpuload).encode('ascii'))
self.zk.set('/nodes/{}/runningdomains'.format(self.name), ' '.join(self.domain_list).encode('ascii'))
self.zk.set('/nodes/{}/domainscount'.format(self.name), str(self.domains_count).encode('ascii'))
self.zk.set('/nodes/{}/keepalive'.format(self.name), str(keepalive_time).encode('ascii'))
transaction = self.zk.transaction()
transaction.set_data('/nodes/{}/cpucount'.format(self.name), str(self.cpucount).encode('ascii'))
transaction.set_data('/nodes/{}/memused'.format(self.name), str(self.memused).encode('ascii'))
transaction.set_data('/nodes/{}/memfree'.format(self.name), str(self.memfree).encode('ascii'))
transaction.set_data('/nodes/{}/cpuload'.format(self.name), str(self.cpuload).encode('ascii'))
transaction.set_data('/nodes/{}/runningdomains'.format(self.name), ' '.join(self.domain_list).encode('ascii'))
transaction.set_data('/nodes/{}/domainscount'.format(self.name), str(self.domains_count).encode('ascii'))
transaction.set_data('/nodes/{}/keepalive'.format(self.name), str(keepalive_time).encode('ascii'))
transaction.commit()
except:
return

18
fencenode.py
View File

@ -26,8 +26,22 @@ import os, sys, libvirt, uuid, kazoo.client, time, subprocess, re, ansiiprint
# Trigger function
#
def fence(node_name, zk):
time.sleep(3)
ansiiprint.echo('Fencing node "{}" via IPMI reboot signal'.format(node_name), '', 'w')
failcount = 0
while failcount < 3
# Wait 5 seconds
time.sleep(5)
# Get the state
node_daemon_state = self.zk.get('/nodes/{}/daemonstate'.format(node_name))[0].decode('ascii')
# Is it still 'dead'
if node_daemon_state == 'dead':
failcount += 1
ansiiprint.echo('Node "{}" failed {} saving throw'.format(node_name, failcount), '', 'w')
# It changed back to something else so it must be alive
else:
ansiiprint.echo('Node "{}" passed a saving throw; canceling fence'.format(node_name), '', 'o')
return
ansiiprint.echo('Fencing node "{}" via IPMI reboot signal'.format(node_name), '', 'e')
ipmi_hostname = zk.get('/nodes/{}/ipmihostname'.format(node_name))[0].decode('ascii')
ipmi_username = zk.get('/nodes/{}/ipmiusername'.format(node_name))[0].decode('ascii')

8
pvc.py
View File

@ -225,12 +225,16 @@ RAM (MiB): {node_mem_total: <6} {node_mem_used: <6} {node_mem_free: <6} {node_me
# Format the string (elements)
for node_name in node_list:
if node_daemon_state[node_name] == 'start':
if node_daemon_state[node_name] == 'run':
daemon_state_colour = ansiiprint.green()
elif node_daemon_state[node_name] == 'stop':
daemon_state_colour = ansiiprint.red()
else:
elif node_daemon_state[node_name] == 'init':
daemon_state_colour = ansiiprint.yellow()
elif node_daemon_state[node_name] == 'dead':
daemon_state_colour = ansiiprint.red() + ansiiprint.bold()
else
daemon_state_colour = ansiiprint.blue()
if node_domain_state[node_name] == 'ready':
domain_state_colour = ansiiprint.green()