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Convert fencing to new ZK schema handler

This commit is contained in:
Joshua Boniface 2021-06-09 21:29:01 -04:00
parent 610f6e8f2c
commit b94fe88405
1 changed files with 15 additions and 15 deletions
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30
node-daemon/pvcnoded/fencing.py
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@ -36,7 +36,7 @@ def fenceNode(node_name, zkhandler, config, logger):
# Wait 5 seconds # Wait 5 seconds
time.sleep(config['keepalive_interval']) time.sleep(config['keepalive_interval'])
# Get the state # Get the state
node_daemon_state = zkhandler.read('/nodes/{}/daemonstate'.format(node_name)) node_daemon_state = zkhandler.read(('node.state.daemon', node_name))
# Is it still 'dead' # Is it still 'dead'
if node_daemon_state == 'dead': if node_daemon_state == 'dead':
failcount += 1 failcount += 1
@ -49,9 +49,9 @@ def fenceNode(node_name, zkhandler, config, logger):
logger.out('Fencing node "{}" via IPMI reboot signal'.format(node_name), state='w') logger.out('Fencing node "{}" via IPMI reboot signal'.format(node_name), state='w')
# Get IPMI information # Get IPMI information
ipmi_hostname = zkhandler.read('/nodes/{}/ipmihostname'.format(node_name)) ipmi_hostname = zkhandler.read(('node.ipmi.hostname', node_name))
ipmi_username = zkhandler.read('/nodes/{}/ipmiusername'.format(node_name)) ipmi_username = zkhandler.read(('node.ipmi.username', node_name))
ipmi_password = zkhandler.read('/nodes/{}/ipmipassword'.format(node_name)) ipmi_password = zkhandler.read(('node.ipmi.password', node_name))
# Shoot it in the head # Shoot it in the head
fence_status = rebootViaIPMI(ipmi_hostname, ipmi_username, ipmi_password, logger) fence_status = rebootViaIPMI(ipmi_hostname, ipmi_username, ipmi_password, logger)
@ -62,11 +62,11 @@ def fenceNode(node_name, zkhandler, config, logger):
if node_name in config['coordinators']: if node_name in config['coordinators']:
logger.out('Forcing secondary status for node "{}"'.format(node_name), state='i') logger.out('Forcing secondary status for node "{}"'.format(node_name), state='i')
zkhandler.write([ zkhandler.write([
('/nodes/{}/routerstate'.format(node_name), 'secondary') (('node.state.router', node_name), 'secondary')
]) ])
if zkhandler.read('/config/primary_node') == node_name: if zkhandler.read('base.config.primary_node') == node_name:
zkhandler.write([ zkhandler.write([
('/config/primary_node', 'none') ('base.config.primary_node', 'none')
]) ])
# If the fence succeeded and successful_fence is migrate # If the fence succeeded and successful_fence is migrate
@ -83,11 +83,11 @@ def migrateFromFencedNode(zkhandler, node_name, config, logger):
logger.out('Migrating VMs from dead node "{}" to new hosts'.format(node_name), state='i') logger.out('Migrating VMs from dead node "{}" to new hosts'.format(node_name), state='i')
# Get the list of VMs # Get the list of VMs
dead_node_running_domains = zkhandler.read('/nodes/{}/runningdomains'.format(node_name)).split() dead_node_running_domains = zkhandler.read(('node.running_domains', node_name)).split()
# Set the node to a custom domainstate so we know what's happening # Set the node to a custom domainstate so we know what's happening
zkhandler.write([ zkhandler.write([
('/nodes/{}/domainstate'.format(node_name), 'fence-flush') (('node.state.domain', node_name), 'fence-flush')
]) ])
# Migrate a VM after a flush # Migrate a VM after a flush
@ -99,15 +99,15 @@ def migrateFromFencedNode(zkhandler, node_name, config, logger):
if target_node is not None: if target_node is not None:
logger.out('Migrating VM "{}" to node "{}"'.format(dom_uuid, target_node), state='i') logger.out('Migrating VM "{}" to node "{}"'.format(dom_uuid, target_node), state='i')
zkhandler.write([ zkhandler.write([
('/domains/{}/state'.format(dom_uuid), 'start'), (('domain.state', dom_uuid), 'start'),
('/domains/{}/node'.format(dom_uuid), target_node), (('domain.node', dom_uuid), target_node),
('/domains/{}/lastnode'.format(dom_uuid), node_name) (('domain.last_node', dom_uuid), node_name),
]) ])
else: else:
logger.out('No target node found for VM "{}"; VM will autostart on next unflush/ready of current node'.format(dom_uuid), state='i') logger.out('No target node found for VM "{}"; VM will autostart on next unflush/ready of current node'.format(dom_uuid), state='i')
zkhandler.write({ zkhandler.write({
('/domains/{}/state'.format(dom_uuid), 'stopped'), (('domain.state', dom_uuid), 'stopped'),
('/domains/{}/node_autostart'.format(dom_uuid), 'True') (('domain.meta.autostart', dom_uuid), 'True'),
}) })
# Loop through the VMs # Loop through the VMs
@ -116,7 +116,7 @@ def migrateFromFencedNode(zkhandler, node_name, config, logger):
# Set node in flushed state for easy remigrating when it comes back # Set node in flushed state for easy remigrating when it comes back
zkhandler.write([ zkhandler.write([
('/nodes/{}/domainstate'.format(node_name), 'flushed') (('node.state.domain', node_name), 'flushed')
]) ])