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Use a transaction for node creation

This commit is contained in:
Joshua Boniface 2018-06-17 22:45:03 -04:00
parent 2ff531cc3c
commit 09113882ac
1 changed files with 15 additions and 13 deletions
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28
pvcd.py
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@ -183,21 +183,23 @@ if zk_conn.exists('/nodes/{}'.format(myhostname)):
else:
print("Node is " + ansiiprint.red() + "absent" + ansiiprint.end() + " in Zookeeper; adding new node")
keepalive_time = int(time.time())
zk_conn.create('/nodes/{}'.format(myhostname), 'hypervisor'.encode('ascii'))
transaction = zk_conn.transaction()
transaction.create('/nodes/{}'.format(myhostname), 'hypervisor'.encode('ascii'))
# Basic state information
zk_conn.create('/nodes/{}/daemonstate'.format(myhostname), 'stop'.encode('ascii'))
zk_conn.create('/nodes/{}/domainstate'.format(myhostname), 'ready'.encode('ascii'))
zk_conn.create('/nodes/{}/staticdata'.format(myhostname), ' '.join(staticdata).encode('ascii'))
zk_conn.create('/nodes/{}/memfree'.format(myhostname), '0'.encode('ascii'))
zk_conn.create('/nodes/{}/memused'.format(myhostname), '0'.encode('ascii'))
zk_conn.create('/nodes/{}/cpuload'.format(myhostname), '0.0'.encode('ascii'))
zk_conn.create('/nodes/{}/runningdomains'.format(myhostname), ''.encode('ascii'))
zk_conn.create('/nodes/{}/domainscount'.format(myhostname), '0'.encode('ascii'))
transaction.create('/nodes/{}/daemonstate'.format(myhostname), 'stop'.encode('ascii'))
transaction.create('/nodes/{}/domainstate'.format(myhostname), 'ready'.encode('ascii'))
transaction.create('/nodes/{}/staticdata'.format(myhostname), ' '.join(staticdata).encode('ascii'))
transaction.create('/nodes/{}/memfree'.format(myhostname), '0'.encode('ascii'))
transaction.create('/nodes/{}/memused'.format(myhostname), '0'.encode('ascii'))
transaction.create('/nodes/{}/cpuload'.format(myhostname), '0.0'.encode('ascii'))
transaction.create('/nodes/{}/runningdomains'.format(myhostname), ''.encode('ascii'))
transaction.create('/nodes/{}/domainscount'.format(myhostname), '0'.encode('ascii'))
# Keepalives and fencing information
zk_conn.create('/nodes/{}/keepalive'.format(myhostname), str(keepalive_time).encode('ascii'))
zk_conn.create('/nodes/{}/ipmihostname'.format(myhostname), config['ipmi_hostname'].encode('ascii'))
zk_conn.create('/nodes/{}/ipmiusername'.format(myhostname), config['ipmi_username'].encode('ascii'))
zk_conn.create('/nodes/{}/ipmipassword'.format(myhostname), config['ipmi_password'].encode('ascii'))
transaction.create('/nodes/{}/keepalive'.format(myhostname), str(keepalive_time).encode('ascii'))
transaction.create('/nodes/{}/ipmihostname'.format(myhostname), config['ipmi_hostname'].encode('ascii'))
transaction.create('/nodes/{}/ipmiusername'.format(myhostname), config['ipmi_username'].encode('ascii'))
transaction.create('/nodes/{}/ipmipassword'.format(myhostname), config['ipmi_password'].encode('ascii'))
transaction.commit()
zk_conn.set('/nodes/{}/daemonstate'.format(myhostname), 'init'.encode('ascii'))