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Fix several small bugs

This commit is contained in:
Joshua Boniface 2019-12-19 18:58:53 -05:00
parent b17b7bf22b
commit a66b834ae4
1 changed files with 20 additions and 14 deletions
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20
node-daemon/pvcd/NodeInstance.py
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@ -66,7 +66,7 @@ class NodeInstance(object):
self.memfree = 0 self.memfree = 0
self.memalloc = 0 self.memalloc = 0
self.vcpualloc = 0 self.vcpualloc = 0
# Floating upstreams # Floating IP configurations
if self.config['enable_networking']: if self.config['enable_networking']:
self.vni_dev = self.config['vni_dev'] self.vni_dev = self.config['vni_dev']
self.vni_ipaddr, self.vni_cidrnetmask = self.config['vni_floating_ip'].split('/') self.vni_ipaddr, self.vni_cidrnetmask = self.config['vni_floating_ip'].split('/')
@ -118,8 +118,6 @@ class NodeInstance(object):
self.router_state = data self.router_state = data
if self.config['enable_networking']: if self.config['enable_networking']:
if self.router_state == 'primary': if self.router_state == 'primary':
# Skip becoming primary unless already running
if self.daemon_state == 'run':
self.logger.out('Setting node {} to primary state'.format(self.name), state='i') self.logger.out('Setting node {} to primary state'.format(self.name), state='i')
#self.become_primary() #self.become_primary()
transition_thread = threading.Thread(target=self.become_primary, args=(), kwargs={}) transition_thread = threading.Thread(target=self.become_primary, args=(), kwargs={})
@ -433,6 +431,7 @@ class NodeInstance(object):
# 5. Transition Patroni primary # 5. Transition Patroni primary
self.logger.out('Setting Patroni leader to this node', state='i') self.logger.out('Setting Patroni leader to this node', state='i')
tick = 1 tick = 1
patroni_failed = True
# As long as we're primary, keep trying to set the Patroni leader to us # As long as we're primary, keep trying to set the Patroni leader to us
while self.router_state == 'primary': while self.router_state == 'primary':
# Switch Patroni leader to the local instance # Switch Patroni leader to the local instance
@ -470,18 +469,22 @@ class NodeInstance(object):
# Otherwise, we succeeded # Otherwise, we succeeded
else: else:
self.logger.out('Successfully switched Patroni leader\n{}'.format(stdout), state='o') self.logger.out('Successfully switched Patroni leader\n{}'.format(stdout), state='o')
patroni_failed = False
time.sleep(0.2) time.sleep(0.2)
break break
# 6. Start DHCP servers # 6. Start DHCP servers
for network in self.d_network: for network in self.d_network:
self.d_network[network].startDHCPServer() self.d_network[network].startDHCPServer()
# 7. Start DNS aggregator # 7. Start DNS aggregator; just continue if we fail
if not patroni_failed:
self.dns_aggregator.start_aggregator() self.dns_aggregator.start_aggregator()
# 8. Start metadata API else:
self.logger.out('Not starting DNS aggregator due to Patroni failures', state='e')
# 8. Start metadata API; just continue if we fail
self.metadata_api.start() self.metadata_api.start()
# 9. Start client API (and provisioner worker) # 9. Start client API (and provisioner worker)
if self.config['enable_api']: if self.config['enable_api']:
self.logger.out('Stopping PVC API client service', state='i') self.logger.out('Starting PVC API client service', state='i')
common.run_os_command("systemctl start pvc-api.service") common.run_os_command("systemctl start pvc-api.service")
self.logger.out('Starting PVC Provisioner Worker service', state='i') self.logger.out('Starting PVC Provisioner Worker service', state='i')
common.run_os_command("systemctl start pvc-provisioner-worker.service") common.run_os_command("systemctl start pvc-provisioner-worker.service")
@ -603,8 +606,11 @@ class NodeInstance(object):
# Synchronize nodes G (I am reader) # Synchronize nodes G (I am reader)
lock = zkhandler.readlock(self.zk_conn, '/locks/primary_node') lock = zkhandler.readlock(self.zk_conn, '/locks/primary_node')
self.logger.out('Acquiring read lock for synchronization G', state='i') self.logger.out('Acquiring read lock for synchronization G', state='i')
lock.acquire() try:
lock.acquire(timeout=60) # Don't wait forever and completely block us
self.logger.out('Acquired read lock for synchronization G', state='o') self.logger.out('Acquired read lock for synchronization G', state='o')
except:
pass
self.logger.out('Releasing read lock for synchronization G', state='i') self.logger.out('Releasing read lock for synchronization G', state='i')
lock.release() lock.release()
self.logger.out('Released read lock for synchronization G', state='o') self.logger.out('Released read lock for synchronization G', state='o')