--- /dev/null
+#!/usr/bin/python
+
+# This script is used to manipulate the operational state of nodes in
+# different node groups. These are basically set operations on nodes via the
+# PLC api.
+#
+# Take the ng name as an argument....
+# optionally,
+# * get a list of nodes in the given nodegroup.
+# * set some or all in the set to rins.
+# * restart them all.
+# * do something else to them all.
+#
+
+import os
+import time
+import traceback
+import sys
+from optparse import OptionParser
+
+from monitor import config
+from monitor import parser as parsermodule
+from monitor.common import *
+from monitor.const import MINUP
+from monitor.model import *
+from monitor.wrapper import plc
+from monitor.wrapper import plccache
+from monitor.database.info.model import *
+from monitor.database.info.interface import *
+
+from monitor.query import verify,query_to_dict,node_select
+
+api = plc.getAuthAPI()
+
+def logic():
+
+ plc.nodeBootState(host, 'reinstall')
+ node_end_record(host)
+
+def check_node_and_pcu_status_for(loginbase):
+ """
+ this function checks whether all the nodes and associated pcus for a
+ given site are considered 'good'.
+
+ If so, the function returns True.
+ Otherwise, the function returns False.
+ """
+
+ results = []
+ for node in plccache.plcdb_lb2hn[loginbase]:
+
+ noderec = FindbadNodeRecord.findby_or_create(hostname=node['hostname'])
+ nodehist = HistoryNodeRecord.findby_or_create(hostname=node['hostname'])
+ nodebl = BlacklistRecord.get_by(hostname=node['hostname'])
+ pcuhist = HistoryPCURecord.get_by(plc_pcuid=noderec.plc_pcuid)
+
+ if (nodehist is not None and nodehist.status == 'good' and \
+ ((pcuhist is not None and pcuhist.status == 'good') or (pcuhist is None)) ):
+ if nodebl is None: # no entry in blacklist table
+ results.append(True)
+ elif nodebl is not None and nodebl.expired(): # expired entry in blacklist table
+ results.append(True)
+ else:
+ results.append(False) # entry that is not expired.
+ else:
+ results.append(False)
+
+ try:
+ print "test: %s" % results
+ # NOTE: incase results is empty, reduce does not work on an empty set.
+ return reduce(lambda x,y: x&y, results) and len(results) > MINUP
+ except:
+ return False
+
+def main(hostnames, sitenames):
+ # commands:
+ i = 1
+ node_count = 1
+ site_count = 1
+ #print "hosts: %s" % hostnames
+ for i,host in enumerate(hostnames):
+ try:
+ lb = plccache.plcdb_hn2lb[host]
+ except:
+ print "unknown host in plcdb_hn2lb %s" % host
+ email_exception(host)
+ continue
+
+ nodeblack = BlacklistRecord.get_by(hostname=host)
+
+ if nodeblack and not nodeblack.expired():
+ print "skipping %s due to blacklist. will expire %s" % (host, nodeblack.willExpire() )
+ continue
+
+ sitehist = SiteInterface.get_or_make(loginbase=lb)
+
+ recent_actions = sitehist.getRecentActions(hostname=host)
+
+ nodehist = HistoryNodeRecord.findby_or_create(hostname=host)
+
+ print "%s %s %s" % (i, nodehist.hostname, nodehist.status)
+ if nodehist.status == 'good' and \
+ changed_lessthan(nodehist.last_changed, 1.0) and \
+ found_within(recent_actions, 'down_notice', 7.0) and \
+ not found_within(recent_actions, 'online_notice', 0.5):
+ # NOTE: chronicly flapping nodes will not get 'online' notices
+ # since, they are never up long enough to be 'good'.
+ # NOTE: searching for down_notice proves that the node has
+ # gone through a 'down' state first, rather than just
+ # flapping through: good, offline, online, ...
+ #
+ # NOTE: there is a narrow window in which this command must be
+ # evaluated, otherwise the notice will not go out.
+ # this is not ideal.
+ sitehist.sendMessage('online_notice', hostname=host, viart=False, saveact=True)
+ print "send message for host %s online" % host
+
+
+ # if a node is offline and doesn't have a PCU, remind the user that they should have one.
+ #if not nodehist.haspcu and nodehist.status in ['offline', 'down'] and \
+ # changed_greaterthan(nodehist.last_changed,1.0) and \
+ # not found_within(recent_actions, 'pcumissing_notice', 7.0):
+ #
+ # sitehist.sendMessage('pcumissing_notice', hostname=host)
+ # print "send message for host %s pcumissing_notice" % host
+
+ # if it is offline and HAS a PCU, then try to use it.
+ if nodehist.haspcu and nodehist.status in ['offline', 'down'] and \
+ changed_greaterthan(nodehist.last_changed,1.0) and \
+ not nodehist.firewall and \
+ not found_between(recent_actions, 'try_reboot', 3.5, 1):
+
+ # TODO: there MUST be a better way to do this...
+ # get fb node record for pcuid
+ fbpcu = None
+ fbnode = FindbadNodeRecord.get_latest_by(hostname=host)
+ if fbnode:
+ fbpcu = FindbadPCURecord.get_latest_by(plc_pcuid=fbnode.plc_pcuid)
+
+ sitehist.attemptReboot(host)
+ print "send message for host %s try_reboot" % host
+ if not fbpcu.test_is_ok() and \
+ not found_within(recent_actions, 'pcuerror_notice', 3.0):
+
+ args = {}
+ if fbpcu:
+ args['pcu_name'] = fbpcu.pcu_name()
+ args['pcu_errors'] = fbpcu.pcu_errors()
+ args['plc_pcuid'] = fbpcu.plc_pcuid
+ else:
+ args['pcu_name'] = "error looking up pcu name"
+ args['pcu_errors'] = ""
+ args['plc_pcuid'] = 0
+
+ args['hostname'] = host
+ sitehist.sendMessage('pcuerror_notice', **args)
+ print "send message for host %s PCU Failure" % host
+
+
+ # NOTE: non-intuitive is that found_between(try_reboot, 3.5, 1)
+ # will be false for a day after the above condition is satisfied
+ if nodehist.haspcu and nodehist.status in ['offline', 'down'] and \
+ changed_greaterthan(nodehist.last_changed,1.5) and \
+ not nodehist.firewall and \
+ found_between(recent_actions, 'try_reboot', 3.5, 1) and \
+ not found_within(recent_actions, 'pcufailed_notice', 3.5):
+
+ # TODO: there MUST be a better way to do this...
+ # get fb node record for pcuid
+ fbpcu = None
+ fbnode = FindbadNodeRecord.get_latest_by(hostname=host)
+ if fbnode:
+ fbpcu = FindbadPCURecord.get_latest_by(plc_pcuid=fbnode.plc_pcuid)
+ if fbpcu:
+ pcu_name = fbpcu.pcu_name()
+ else:
+ pcu_name = "error looking up pcu name"
+
+ # get fb pcu record for pcuid
+ # send pcu failure message
+ sitehist.sendMessage('pcufailed_notice', hostname=host, pcu_name=pcu_name)
+ print "send message for host %s PCU Failure" % host
+
+ if nodehist.status == 'failboot' and \
+ changed_greaterthan(nodehist.last_changed, 0.25) and \
+ not found_between(recent_actions, 'bootmanager_restore', 0.5, 0):
+ # send down node notice
+ # delay 0.5 days before retrying...
+
+ print "send message for host %s bootmanager_restore" % host
+ sitehist.runBootManager(host)
+ # sitehist.sendMessage('retry_bootman', hostname=host)
+
+ if nodehist.status == 'down' and \
+ changed_greaterthan(nodehist.last_changed, 2):
+ if not nodehist.firewall and not found_within(recent_actions, 'down_notice', 3.5):
+ # send down node notice
+ sitehist.sendMessage('down_notice', hostname=host)
+ print "send message for host %s down" % host
+
+ if nodehist.firewall and not found_within(recent_actions, 'firewall_notice', 3.5):
+ # send down node notice
+ #email_exception(host, "firewall_notice")
+ sitehist.sendMessage('firewall_notice', hostname=host)
+ print "send message for host %s down" % host
+
+ node_count = node_count + 1
+ print "time: ", time.strftime('%Y-%m-%d %H:%M:%S')
+ sys.stdout.flush()
+ session.flush()
+
+ for i,site in enumerate(sitenames):
+ sitehist = SiteInterface.get_or_make(loginbase=site)
+ siteblack = BlacklistRecord.get_by(loginbase=site)
+ skip_due_to_blacklist=False
+
+ if siteblack and not siteblack.expired():
+ print "skipping %s due to blacklist. will expire %s" % (site, siteblack.willExpire() )
+ skip_due_to_blacklist=True
+ sitehist.clearPenalty()
+ sitehist.applyPenalty()
+ continue
+
+ # TODO: make query only return records within a certin time range,
+ # i.e. greater than 0.5 days ago. or 5 days, etc.
+ recent_actions = sitehist.getRecentActions(loginbase=site)
+
+ print "%s %s %s" % (i, sitehist.db.loginbase, sitehist.db.status)
+
+ if sitehist.db.status == 'down':
+ if sitehist.db.penalty_pause and \
+ changed_greaterthan(sitehist.db.penalty_pause_time, 30):
+
+ email_exception("", "clear pause penalty for site: %s" % sitehist.db.loginbase)
+ sitehist.closeTicket()
+ # NOTE: but preserve the penalty status.
+ sitehist.clearPenaltyPause()
+
+ if sitehist.db.message_id != 0 and \
+ sitehist.db.message_status == 'open' and \
+ not sitehist.db.penalty_pause:
+
+ email_exception("", "pause penalty for site: %s" % sitehist.db.loginbase)
+ sitehist.setPenaltyPause()
+
+ if not sitehist.db.penalty_pause and \
+ not found_within(recent_actions, 'increase_penalty', 7) and \
+ changed_greaterthan(sitehist.db.last_changed, 7):
+
+ # TODO: catch errors
+ sitehist.increasePenalty()
+ sitehist.applyPenalty()
+ sitehist.sendMessage('increase_penalty')
+
+ print "send message for site %s penalty increase" % site
+
+ if sitehist.db.status == 'good':
+ # clear penalty
+ # NOTE: because 'all clear' should have an indefinite status, we
+ # have a boolean value rather than a 'recent action'
+ if sitehist.db.penalty_applied or sitehist.db.penalty_pause:
+ # send message that penalties are cleared.
+
+ sitehist.clearPenalty()
+ sitehist.applyPenalty()
+ sitehist.sendMessage('clear_penalty')
+ sitehist.closeTicket()
+
+ print "send message for site %s penalty cleared" % site
+
+ # check all nodes and pcus for this site; if they're all ok,
+ # close the ticket, else leave it open.
+ # NOTE: in the case where a PCU reboots and fails, a message is
+ # sent, but the PCU may appear to be ok according to tests.
+ # NOTE: Also, bootmanager sends messages regarding disks,
+ # configuration, etc. So, the conditions here are 'good'
+ # rather than 'not down' as it is in sitebad.
+ close_ticket = check_node_and_pcu_status_for(site)
+ if close_ticket:
+ sitehist.closeTicket()
+
+ site_count = site_count + 1
+
+ print "time: ", time.strftime('%Y-%m-%d %H:%M:%S')
+ sys.stdout.flush()
+ session.flush()
+
+ session.flush()
+ return
+
+
+if __name__ == "__main__":
+ parser = parsermodule.getParser(['nodesets'])
+ parser.set_defaults( timewait=0,
+ skip=0,
+ rins=False,
+ reboot=False,
+ findbad=False,
+ force=False,
+ nosetup=False,
+ verbose=False,
+ quiet=False,)
+
+ parser.add_option("", "--stopselect", dest="stopselect", metavar="",
+ help="The select string that must evaluate to true for the node to be considered 'done'")
+ parser.add_option("", "--findbad", dest="findbad", action="store_true",
+ help="Re-run findbad on the nodes we're going to check before acting.")
+ parser.add_option("", "--force", dest="force", action="store_true",
+ help="Force action regardless of previous actions/logs.")
+ parser.add_option("", "--rins", dest="rins", action="store_true",
+ help="Set the boot_state to 'rins' for all nodes.")
+ parser.add_option("", "--reboot", dest="reboot", action="store_true",
+ help="Actively try to reboot the nodes, keeping a log of actions.")
+
+ parser.add_option("", "--verbose", dest="verbose", action="store_true",
+ help="Extra debug output messages.")
+ parser.add_option("", "--nosetup", dest="nosetup", action="store_true",
+ help="Do not perform the orginary setup phase.")
+ parser.add_option("", "--skip", dest="skip",
+ help="Number of machines to skip on the input queue.")
+ parser.add_option("", "--timewait", dest="timewait",
+ help="Minutes to wait between iterations of 10 nodes.")
+
+ parser = parsermodule.getParser(['defaults'], parser)
+ config = parsermodule.parse_args(parser)
+
+ fbquery = HistoryNodeRecord.query.all()
+ hostnames = [ n.hostname for n in fbquery ]
+
+ fbquery = HistorySiteRecord.query.all()
+ sitenames = [ s.loginbase for s in fbquery ]
+
+ if config.site:
+ # TODO: replace with calls to local db. the api fails so often that
+ # these calls should be regarded as unreliable.
+ l_nodes = plccache.GetNodesBySite(config.site)
+ filter_hostnames = [ n['hostname'] for n in l_nodes ]
+
+ hostnames = filter(lambda x: x in filter_hostnames, hostnames)
+ sitenames = [config.site]
+
+ if config.node:
+ hostnames = [ config.node ]
+ sitenames = [ plccache.plcdb_hn2lb[config.node] ]
+
+ try:
+ main(hostnames, sitenames)
+ session.flush()
+ except KeyboardInterrupt:
+ print "Killed by interrupt"
+ session.flush()
+ sys.exit(0)
+ except:
+ email_exception()
+ print traceback.print_exc();
+ print "fail all..."
git://git.onelab.eu / monitor.git / blobdiff