Move Zookeeper update out of NodeInstance and into the main Daemon
This commit is contained in:
parent
d69cb72439
commit
6b5fa3d50b
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@ -20,6 +20,7 @@
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#
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###############################################################################
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# Version string for startup output
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version = '0.4'
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import kazoo.client
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@ -35,10 +36,12 @@ import uuid
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import time
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import re
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import configparser
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import threading
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import apscheduler.schedulers.background
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import pvcd.log as log
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import pvcd.zkhandler as zkhandler
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import pvcd.fencing as fencing
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import pvcd.common as common
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import pvcd.DomainInstance as DomainInstance
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@ -319,15 +322,18 @@ def cleanup():
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logger.out('Terminating pvcd and cleaning up', state='s')
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# Set stop state in Zookeeper
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zkhandler.writedata(zk_conn, { '/nodes/{}/daemonstate'.format(myhostname): 'stop' })
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# Force into secondary network state if needed
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if this_node.name == this_node.primary_node:
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zkhandler.writedata(zk_conn, { '/primary_node': 'none' })
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# Wait for things to flush
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time.sleep(3)
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time.sleep(2)
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# Set stop state in Zookeeper
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zkhandler.writedata(zk_conn, { '/nodes/{}/daemonstate'.format(myhostname): 'stop' })
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# Forcibly terminate dnsmasq because it gets stuck sometimes
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common.run_os_command('killall dnsmasq')
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# Close the Zookeeper connection
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try:
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@ -631,14 +637,154 @@ def update_domains(new_domain_list):
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# PHASE 9 - Run the daemon
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###############################################################################
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# Set up our update function
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update_zookeeper = this_node.update_zookeeper
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# Zookeeper keepalive update function
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def update_zookeeper():
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# Get past state and update if needed
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past_state = zkhandler.readdata(zk_conn, '/nodes/{}/daemonstate'.format(this_node.name))
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if past_state != 'run':
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this_node.daemon_state = 'run'
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zkhandler.writedata(zk_conn, { '/nodes/{}/daemonstate'.format(this_node.name): 'run' })
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else:
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this_node.daemon_state = 'run'
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# Ensure the primary key is properly set
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if this_node.router_state == 'primary':
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if zkhandler.readdata(zk_conn, '/primary_node') != this_node.name:
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zkhandler.writedata(zk_conn, {'/primary_node': this_node.name})
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# Toggle state management of dead VMs to restart them
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memalloc = 0
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vcpualloc = 0
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for domain, instance in this_node.d_domain.items():
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if domain in this_node.domain_list:
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# Add the allocated memory to our memalloc value
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memalloc += instance.getmemory()
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vcpualloc += instance.getvcpus()
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if instance.getstate() == 'start' and instance.getnode() == this_node.name:
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if instance.getdom() != None:
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try:
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if instance.getdom().state()[0] != libvirt.VIR_DOMAIN_RUNNING:
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raise
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except Exception as e:
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# Toggle a state "change"
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zkhandler.writedata(zk_conn, { '/domains/{}/state'.format(domain): instance.getstate() })
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# Connect to libvirt
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libvirt_name = "qemu:///system"
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lv_conn = libvirt.open(libvirt_name)
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if lv_conn == None:
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logger.out('Failed to open connection to "{}"'.format(libvirt_name), state='e')
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return
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# Ensure that any running VMs are readded to the domain_list
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running_domains = lv_conn.listAllDomains(libvirt.VIR_CONNECT_LIST_DOMAINS_ACTIVE)
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for domain in running_domains:
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domain_uuid = domain.UUIDString()
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if domain_uuid not in this_node.domain_list:
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this_node.domain_list.append(domain_uuid)
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# Set our information in zookeeper
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#this_node.name = lv_conn.getHostname()
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this_node.memused = int(psutil.virtual_memory().used / 1024 / 1024)
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this_node.memfree = int(psutil.virtual_memory().free / 1024 / 1024)
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this_node.memalloc = memalloc
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this_node.vcpualloc = vcpualloc
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this_node.cpuload = os.getloadavg()[0]
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this_node.domains_count = len(lv_conn.listDomainsID())
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keepalive_time = int(time.time())
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try:
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zkhandler.writedata(zk_conn, {
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'/nodes/{}/memused'.format(this_node.name): str(this_node.memused),
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'/nodes/{}/memfree'.format(this_node.name): str(this_node.memfree),
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'/nodes/{}/memalloc'.format(this_node.name): str(this_node.memalloc),
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'/nodes/{}/vcpualloc'.format(this_node.name): str(this_node.vcpualloc),
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'/nodes/{}/cpuload'.format(this_node.name): str(this_node.cpuload),
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'/nodes/{}/networkscount'.format(this_node.name): str(this_node.networks_count),
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'/nodes/{}/domainscount'.format(this_node.name): str(this_node.domains_count),
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'/nodes/{}/runningdomains'.format(this_node.name): ' '.join(this_node.domain_list),
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'/nodes/{}/keepalive'.format(this_node.name): str(keepalive_time)
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})
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except:
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logger.out('Failed to set keepalive data', state='e')
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return
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# Close the Libvirt connection
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lv_conn.close()
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# Update our local node lists
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flushed_node_list = []
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active_node_list = []
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inactive_node_list = []
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for node_name in d_node:
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try:
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node_daemon_state = zkhandler.readdata(zk_conn, '/nodes/{}/daemonstate'.format(node_name))
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node_domain_state = zkhandler.readdata(zk_conn, '/nodes/{}/domainstate'.format(node_name))
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node_keepalive = int(zkhandler.readdata(zk_conn, '/nodes/{}/keepalive'.format(node_name)))
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except:
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node_daemon_state = 'unknown'
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node_domain_state = 'unknown'
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node_keepalive = 0
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# Handle deadtime and fencng if needed
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# (A node is considered dead when its keepalive timer is >6*keepalive_interval seconds
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# out-of-date while in 'start' state)
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node_deadtime = int(time.time()) - ( int(config['keepalive_interval']) * int(config['fence_intervals']) )
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if node_keepalive < node_deadtime and node_daemon_state == 'run':
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logger.out('Node {} seems dead - starting monitor for fencing'.format(node_name), state='w')
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zkhandler.writedata(zk_conn, { '/nodes/{}/daemonstate'.format(node_name): 'dead' })
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fence_thread = threading.Thread(target=fencing.fenceNode, args=(node_name, zk_conn, config, logger), kwargs={})
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fence_thread.start()
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# Update the arrays
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if node_domain_state == 'flushed':
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flushed_node_list.append(node_name)
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else:
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if node_daemon_state == 'run':
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active_node_list.append(node_name)
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else:
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inactive_node_list.append(node_name)
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# List of the non-primary coordinators
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secondary_node_list = this_node.config['coordinators'].split(',')
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if secondary_node_list:
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secondary_node_list.remove(this_node.primary_node)
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for node in secondary_node_list:
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if node in inactive_node_list:
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secondary_node_list.remove(node)
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# Display node information to the terminal
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logger.out('{}{} keepalive{}'.format(logger.fmt_purple, this_node.name, logger.fmt_end), state='t')
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logger.out(
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'{bold}Domains:{nobold} {domcount} '
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'{bold}Networks:{nobold} {netcount} '
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'{bold}VM memory [MiB]:{nobold} {allocmem} '
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'{bold}Free memory [MiB]:{nobold} {freemem} '
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'{bold}Used memory [MiB]:{nobold} {usedmem} '
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'{bold}Load:{nobold} {load}'.format(
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bold=logger.fmt_bold,
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nobold=logger.fmt_end,
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domcount=this_node.domains_count,
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freemem=this_node.memfree,
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usedmem=this_node.memused,
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load=this_node.cpuload,
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allocmem=this_node.memalloc,
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netcount=this_node.networks_count
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),
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)
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# Display cluster information to the terminal
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logger.out('{}Cluster status{}'.format(logger.fmt_purple, logger.fmt_end), state='t')
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logger.out('{}Primary coordinator:{} {}'.format(logger.fmt_bold, logger.fmt_end, this_node.primary_node))
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logger.out('{}Secondary coordinators:{} {}'.format(logger.fmt_bold, logger.fmt_end, ' '.join(secondary_node_list)))
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logger.out('{}Active hypervisors:{} {}'.format(logger.fmt_bold, logger.fmt_end, ' '.join(active_node_list)))
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logger.out('{}Flushed hypervisors:{} {}'.format(logger.fmt_bold, logger.fmt_end, ' '.join(flushed_node_list)))
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logger.out('{}Inactive nodes:{} {}'.format(logger.fmt_bold, logger.fmt_end, ' '.join(inactive_node_list)))
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# Start keepalive thread and immediately update Zookeeper
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startKeepaliveTimer()
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update_zookeeper()
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# Tick loop
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# Tick loop; does nothing since everything else is async
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while True:
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try:
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time.sleep(1)
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@ -27,7 +27,6 @@ import socket
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import time
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import libvirt
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import threading
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import subprocess
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import pvcd.log as log
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import pvcd.zkhandler as zkhandler
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@ -421,169 +420,6 @@ class NodeInstance(object):
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self.inflush = False
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def update_zookeeper(self):
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# Connect to libvirt
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libvirt_name = "qemu:///system"
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lv_conn = libvirt.open(libvirt_name)
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if lv_conn == None:
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self.logger.out('Failed to open connection to "{}"'.format(libvirt_name), state='e')
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return
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# Get past state and update if needed
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past_state = zkhandler.readdata(self.zk_conn, '/nodes/{}/daemonstate'.format(self.name))
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if past_state != 'run':
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self.daemon_state = 'run'
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zkhandler.writedata(self.zk_conn, { '/nodes/{}/daemonstate'.format(self.name): 'run' })
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else:
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self.daemon_state = 'run'
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# Ensure the primary key is properly set
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if self.name == self.this_node:
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if self.router_state == 'primary':
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if zkhandler.readdata(self.zk_conn, '/primary_node') != self.name:
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zkhandler.writedata(self.zk_conn, {'/primary_node': self.name})
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# Toggle state management of dead VMs to restart them
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memalloc = 0
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vcpualloc = 0
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for domain, instance in self.d_domain.items():
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if domain in self.domain_list:
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# Add the allocated memory to our memalloc value
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memalloc += instance.getmemory()
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vcpualloc += instance.getvcpus()
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if instance.getstate() == 'start' and instance.getnode() == self.name:
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if instance.getdom() != None:
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try:
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if instance.getdom().state()[0] != libvirt.VIR_DOMAIN_RUNNING:
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raise
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except Exception as e:
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# Toggle a state "change"
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zkhandler.writedata(self.zk_conn, { '/domains/{}/state'.format(domain): instance.getstate() })
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# Ensure that any running VMs are readded to the domain_list
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running_domains = lv_conn.listAllDomains(libvirt.VIR_CONNECT_LIST_DOMAINS_ACTIVE)
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for domain in running_domains:
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domain_uuid = domain.UUIDString()
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if domain_uuid not in self.domain_list:
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self.domain_list.append(domain_uuid)
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# Set our information in zookeeper
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#self.name = lv_conn.getHostname()
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self.memused = int(psutil.virtual_memory().used / 1024 / 1024)
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self.memfree = int(psutil.virtual_memory().free / 1024 / 1024)
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self.memalloc = memalloc
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self.vcpualloc = vcpualloc
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self.cpuload = os.getloadavg()[0]
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self.domains_count = len(lv_conn.listDomainsID())
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keepalive_time = int(time.time())
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try:
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zkhandler.writedata(self.zk_conn, {
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'/nodes/{}/memused'.format(self.name): str(self.memused),
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'/nodes/{}/memfree'.format(self.name): str(self.memfree),
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'/nodes/{}/memalloc'.format(self.name): str(self.memalloc),
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'/nodes/{}/vcpualloc'.format(self.name): str(self.vcpualloc),
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'/nodes/{}/cpuload'.format(self.name): str(self.cpuload),
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'/nodes/{}/networkscount'.format(self.name): str(self.networks_count),
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'/nodes/{}/domainscount'.format(self.name): str(self.domains_count),
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'/nodes/{}/runningdomains'.format(self.name): ' '.join(self.domain_list),
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'/nodes/{}/keepalive'.format(self.name): str(keepalive_time)
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})
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except:
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self.logger.out('Failed to set keepalive data', state='e')
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return
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# Close the Libvirt connection
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lv_conn.close()
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# Update our local node lists
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for node_name in self.d_node:
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try:
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node_daemon_state = zkhandler.readdata(self.zk_conn, '/nodes/{}/daemonstate'.format(node_name))
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node_domain_state = zkhandler.readdata(self.zk_conn, '/nodes/{}/domainstate'.format(node_name))
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node_keepalive = int(zkhandler.readdata(self.zk_conn, '/nodes/{}/keepalive'.format(node_name)))
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except:
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node_daemon_state = 'unknown'
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node_domain_state = 'unknown'
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node_keepalive = 0
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# Handle deadtime and fencng if needed
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# (A node is considered dead when its keepalive timer is >6*keepalive_interval seconds
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# out-of-date while in 'start' state)
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node_deadtime = int(time.time()) - ( int(self.config['keepalive_interval']) * int(self.config['fence_intervals']) )
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if node_keepalive < node_deadtime and node_daemon_state == 'run':
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self.logger.out('Node {} seems dead - starting monitor for fencing'.format(node_name), state='w')
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zkhandler.writedata(self.zk_conn, { '/nodes/{}/daemonstate'.format(node_name): 'dead' })
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fence_thread = threading.Thread(target=fenceNode, args=(node_name, self.zk_conn, self.config, self.logger), kwargs={})
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fence_thread.start()
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# Update the arrays
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if node_daemon_state == 'run' and node_domain_state != 'flushed' and node_name not in self.active_node_list:
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self.active_node_list.append(node_name)
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try:
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self.flushed_node_list.remove(node_name)
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except ValueError:
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pass
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try:
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self.inactive_node_list.remove(node_name)
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except ValueError:
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pass
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if node_daemon_state != 'run' and node_domain_state != 'flushed' and node_name not in self.inactive_node_list:
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self.inactive_node_list.append(node_name)
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try:
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self.active_node_list.remove(node_name)
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except ValueError:
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pass
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try:
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self.flushed_node_list.remove(node_name)
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except ValueError:
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pass
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if node_domain_state == 'flushed' and node_name not in self.flushed_node_list:
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self.flushed_node_list.append(node_name)
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try:
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self.active_node_list.remove(node_name)
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except ValueError:
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pass
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try:
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self.inactive_node_list.remove(node_name)
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except ValueError:
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pass
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# List of the non-primary coordinators
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secondary_node_list = self.config['coordinators'].split(',')
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if secondary_node_list:
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secondary_node_list.remove(self.primary_node)
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for node in secondary_node_list:
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if node in self.inactive_node_list:
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secondary_node_list.remove(node)
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# Display node information to the terminal
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self.logger.out('{}{} keepalive{}'.format(self.logger.fmt_purple, self.name, self.logger.fmt_end), state='t')
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self.logger.out(
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'{bold}Domains:{nobold} {domcount} '
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'{bold}Networks:{nobold} {netcount} '
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'{bold}VM memory [MiB]:{nobold} {allocmem} '
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'{bold}Free memory [MiB]:{nobold} {freemem} '
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'{bold}Used memory [MiB]:{nobold} {usedmem} '
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'{bold}Load:{nobold} {load}'.format(
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bold=self.logger.fmt_bold,
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nobold=self.logger.fmt_end,
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domcount=self.domains_count,
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freemem=self.memfree,
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usedmem=self.memused,
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load=self.cpuload,
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allocmem=self.memalloc,
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netcount=self.networks_count
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),
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)
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# Display cluster information to the terminal
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self.logger.out('{}Cluster status{}'.format(self.logger.fmt_purple, self.logger.fmt_end), state='t')
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self.logger.out('{}Primary coordinator:{} {}'.format(self.logger.fmt_bold, self.logger.fmt_end, self.primary_node))
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self.logger.out('{}Secondary coordinators:{} {}'.format(self.logger.fmt_bold, self.logger.fmt_end, ' '.join(secondary_node_list)))
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self.logger.out('{}Active hypervisors:{} {}'.format(self.logger.fmt_bold, self.logger.fmt_end, ' '.join(self.active_node_list)))
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self.logger.out('{}Flushed hypervisors:{} {}'.format(self.logger.fmt_bold, self.logger.fmt_end, ' '.join(self.flushed_node_list)))
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self.logger.out('{}Inactive nodes:{} {}'.format(self.logger.fmt_bold, self.logger.fmt_end, ' '.join(self.inactive_node_list)))
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#
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# Find a migration target
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#
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@ -681,79 +517,3 @@ def findTargetHypervisorVMs(zk_conn, dom_uuid):
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target_node = node
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return target_node
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#
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# Fence thread entry function
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#
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def fenceNode(node_name, zk_conn, config, logger):
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failcount = 0
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# We allow exactly 3 saving throws for the host to come back online
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while failcount < 3:
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# Wait 5 seconds
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time.sleep(5)
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# Get the state
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node_daemon_state = zkhandler.readdata(zk_conn, '/nodes/{}/daemonstate'.format(node_name))
|
||||
# Is it still 'dead'
|
||||
if node_daemon_state == 'dead':
|
||||
failcount += 1
|
||||
logger.out('Node "{}" failed {} saving throws'.format(node_name, failcount), state='w')
|
||||
# It changed back to something else so it must be alive
|
||||
else:
|
||||
logger.out('Node "{}" passed a saving throw; canceling fence'.format(node_name), state='o')
|
||||
return
|
||||
|
||||
logger.out('Fencing node "{}" via IPMI reboot signal'.format(node_name), state='e')
|
||||
|
||||
# Get IPMI information
|
||||
ipmi_hostname = zkhandler.readdata(zk_conn, '/nodes/{}/ipmihostname'.format(node_name))
|
||||
ipmi_username = zkhandler.readdata(zk_conn, '/nodes/{}/ipmiusername'.format(node_name))
|
||||
ipmi_password = zkhandler.readdata(zk_conn, '/nodes/{}/ipmipassword'.format(node_name))
|
||||
|
||||
# Shoot it in the head
|
||||
fence_status = rebootViaIPMI(ipmi_hostname, ipmi_username, ipmi_password, logger)
|
||||
# Hold to ensure the fence takes effect
|
||||
time.sleep(3)
|
||||
|
||||
# Force into secondary network state if needed
|
||||
if node_name in config['coordinators'].split(','):
|
||||
zkhandler.writedata(zk_conn, { '/nodes/{}/routerstate'.format(node_name): 'secondary' })
|
||||
if zkhandler.readdata(zk_conn, '/primary_node') == node_name:
|
||||
zkhandler.writedata(zk_conn, { '/primary_node': 'none' })
|
||||
|
||||
# If the fence succeeded and successful_fence is migrate
|
||||
if fence_status == True and config['successful_fence'] == 'migrate':
|
||||
migrateFromFencedNode(zk_conn, node_name, logger)
|
||||
# If the fence failed and failed_fence is migrate
|
||||
if fence_status == False and config['failed_fence'] == 'migrate' and config['suicide_intervals'] != '0':
|
||||
migrateFromFencedNode(zk_conn, node_name, logger)
|
||||
|
||||
# Migrate hosts away from a fenced node
|
||||
def migrateFromFencedNode(zk_conn, node_name, logger):
|
||||
logger.out('Moving VMs from dead node "{}" to new hosts'.format(node_name), state='i')
|
||||
dead_node_running_domains = zkhandler.readdata(zk_conn, '/nodes/{}/runningdomains'.format(node_name)).split()
|
||||
for dom_uuid in dead_node_running_domains:
|
||||
target_node = findTargetHypervisor(zk_conn, 'mem', dom_uuid)
|
||||
|
||||
logger.out('Moving VM "{}" to node "{}"'.format(dom_uuid, target_node), state='i')
|
||||
zkhandler.writedata(zk_conn, {
|
||||
'/domains/{}/state'.format(dom_uuid): 'start',
|
||||
'/domains/{}/node'.format(dom_uuid): target_node,
|
||||
'/domains/{}/lastnode'.format(dom_uuid): node_name
|
||||
})
|
||||
|
||||
# Set node in flushed state for easy remigrating when it comes back
|
||||
zkhandler.writedata(zk_conn, { '/nodes/{}/domainstate'.format(node_name): 'flushed' })
|
||||
|
||||
#
|
||||
# Perform an IPMI fence
|
||||
#
|
||||
def rebootViaIPMI(ipmi_hostname, ipmi_user, ipmi_password, logger):
|
||||
ipmi_command = ['/usr/bin/ipmitool', '-I', 'lanplus', '-H', ipmi_hostname, '-U', ipmi_user, '-P', ipmi_password, 'chassis', 'power', 'reset']
|
||||
ipmi_command_output = subprocess.run(ipmi_command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
||||
if ipmi_command_output.returncode == 0:
|
||||
logger.out('Successfully rebooted dead node', state='o')
|
||||
return True
|
||||
else:
|
||||
logger.out('Failed to reboot dead node', state='e')
|
||||
return False
|
||||
|
|
|
|||
|
|
@ -0,0 +1,107 @@
|
|||
#!/usr/bin/env python3
|
||||
|
||||
# fencing.py - PVC daemon function library, node fencing functions
|
||||
# Part of the Parallel Virtual Cluster (PVC) system
|
||||
#
|
||||
# Copyright (C) 2018 Joshua M. Boniface <joshua@boniface.me>
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
#
|
||||
###############################################################################
|
||||
|
||||
import threading
|
||||
import time
|
||||
import threading
|
||||
|
||||
import pvcd.zkhandler as zkhandler
|
||||
import pvcd.common as common
|
||||
|
||||
#
|
||||
# Fence thread entry function
|
||||
#
|
||||
def fenceNode(node_name, zk_conn, config, logger):
|
||||
failcount = 0
|
||||
# We allow exactly 3 saving throws for the host to come back online
|
||||
while failcount < 3:
|
||||
# Wait 5 seconds
|
||||
time.sleep(5)
|
||||
# Get the state
|
||||
node_daemon_state = zkhandler.readdata(zk_conn, '/nodes/{}/daemonstate'.format(node_name))
|
||||
# Is it still 'dead'
|
||||
if node_daemon_state == 'dead':
|
||||
failcount += 1
|
||||
logger.out('Node "{}" failed {} saving throws'.format(node_name, failcount), state='w')
|
||||
# It changed back to something else so it must be alive
|
||||
else:
|
||||
logger.out('Node "{}" passed a saving throw; canceling fence'.format(node_name), state='o')
|
||||
return
|
||||
|
||||
logger.out('Fencing node "{}" via IPMI reboot signal'.format(node_name), state='w')
|
||||
|
||||
# Get IPMI information
|
||||
ipmi_hostname = zkhandler.readdata(zk_conn, '/nodes/{}/ipmihostname'.format(node_name))
|
||||
ipmi_username = zkhandler.readdata(zk_conn, '/nodes/{}/ipmiusername'.format(node_name))
|
||||
ipmi_password = zkhandler.readdata(zk_conn, '/nodes/{}/ipmipassword'.format(node_name))
|
||||
|
||||
# Shoot it in the head
|
||||
fence_status = rebootViaIPMI(ipmi_hostname, ipmi_username, ipmi_password, logger)
|
||||
# Hold to ensure the fence takes effect
|
||||
time.sleep(3)
|
||||
|
||||
# Force into secondary network state if needed
|
||||
if node_name in config['coordinators'].split(','):
|
||||
zkhandler.writedata(zk_conn, { '/nodes/{}/routerstate'.format(node_name): 'secondary' })
|
||||
if zkhandler.readdata(zk_conn, '/primary_node') == node_name:
|
||||
zkhandler.writedata(zk_conn, { '/primary_node': 'none' })
|
||||
|
||||
# If the fence succeeded and successful_fence is migrate
|
||||
if fence_status == True and config['successful_fence'] == 'migrate':
|
||||
migrateFromFencedNode(zk_conn, node_name, logger)
|
||||
|
||||
# If the fence failed and failed_fence is migrate
|
||||
if fence_status == False and config['failed_fence'] == 'migrate' and config['suicide_intervals'] != '0':
|
||||
migrateFromFencedNode(zk_conn, node_name, logger)
|
||||
|
||||
# Migrate hosts away from a fenced node
|
||||
def migrateFromFencedNode(zk_conn, node_name, logger):
|
||||
logger.out('Moving VMs from dead node "{}" to new hosts'.format(node_name), state='i')
|
||||
dead_node_running_domains = zkhandler.readdata(zk_conn, '/nodes/{}/runningdomains'.format(node_name)).split()
|
||||
for dom_uuid in dead_node_running_domains:
|
||||
target_node = findTargetHypervisor(zk_conn, 'mem', dom_uuid)
|
||||
|
||||
logger.out('Moving VM "{}" to node "{}"'.format(dom_uuid, target_node), state='i')
|
||||
zkhandler.writedata(zk_conn, {
|
||||
'/domains/{}/state'.format(dom_uuid): 'start',
|
||||
'/domains/{}/node'.format(dom_uuid): target_node,
|
||||
'/domains/{}/lastnode'.format(dom_uuid): node_name
|
||||
})
|
||||
|
||||
# Set node in flushed state for easy remigrating when it comes back
|
||||
zkhandler.writedata(zk_conn, { '/nodes/{}/domainstate'.format(node_name): 'flushed' })
|
||||
|
||||
#
|
||||
# Perform an IPMI fence
|
||||
#
|
||||
def rebootViaIPMI(ipmi_hostname, ipmi_user, ipmi_password, logger):
|
||||
ipmi_command = ['/usr/bin/ipmitool', '-I', 'lanplus', '-H', ipmi_hostname, '-U', ipmi_user, '-P', ipmi_password, 'chassis', 'power', 'reset']
|
||||
ipmi_command = '/usr/bin/ipmitool -I lanplus -H {} -U {} -P {} chassis power reset'.format(
|
||||
ipmi_hostname, ipmi_user, ipmi_password
|
||||
)
|
||||
ipmi_command_retcode, ipmi_command_stdout, ipmi_command_stderr = common.run_os_command(ipmi_command)
|
||||
if ipmi_command_retcode == 0:
|
||||
logger.out('Successfully rebooted dead node', state='o')
|
||||
return True
|
||||
else:
|
||||
logger.out('Failed to reboot dead node', state='e')
|
||||
return False
|
||||
Loading…
Reference in New Issue