+#!/usr/bin/python
+
+# Attempt to reboot a node in debug state.
+
+
+
+import os
+import sys
+import time
+import random
+import signal
+import traceback
+import subprocess
+from sets import Set
+
+from monitor.getsshkeys import SSHKnownHosts
+
+from monitor.Rpyc import SocketConnection, Async
+from monitor.Rpyc.Utils import *
+
+from monitor import getconf
+from monitor import config
+from monitor import const
+from monitor.model import *
+from monitor.common import email_exception, found_within
+from monitor.database.info.model import *
+from monitor.database.info.interface import *
+from monitor.wrapper import plc
+from monitor.wrapper import plccache
+from monitor.wrapper.emailTxt import mailtxt
+from monitor.nodeconfig import network_config_to_str
+
+from pcucontrol.util import command as moncommands
+from pcucontrol.util.command import Sopen
+from pcucontrol.transports.ssh import pxssh as pxssh
+from pcucontrol.transports.ssh import fdpexpect as fdpexpect
+from pcucontrol.transports.ssh import pexpect as pexpect
+
+
+
+api = plc.getAuthAPI()
+fb = None
+
+
+class NodeConnection:
+ def __init__(self, connection, node, config):
+ self.node = node
+ self.c = connection
+ self.config = config
+
+ def get_boot_state(self):
+ try:
+ if self.c.modules.os.path.exists('/tmp/source'):
+ return "debug"
+ elif self.c.modules.os.path.exists('/vservers'):
+ return "boot"
+ else:
+ return "unknown"
+ except EOFError:
+ traceback.print_exc()
+ print self.c.modules.sys.path
+ except:
+ email_exception()
+ traceback.print_exc()
+
+ return "unknown"
+
+ def get_dmesg(self):
+ self.c.modules.os.system("dmesg > /var/log/dmesg.bm.log")
+ download(self.c, "/var/log/dmesg.bm.log", "log/dmesg.%s.log" % self.node)
+ log = open("log/dmesg.%s.log" % self.node, 'r')
+ return log
+
+ def get_bootmanager_log(self):
+ download(self.c, "/tmp/bm.log", "log/bm.%s.log.gz" % self.node)
+ #os.system("zcat log/bm.%s.log.gz > log/bm.%s.log" % (self.node, self.node))
+ os.system("cp log/bm.%s.log.gz log/bm.%s.log" % (self.node, self.node))
+ log = open("log/bm.%s.log" % self.node, 'r')
+ return log
+
+ def dump_plconf_file(self):
+ c = self.c
+ self.c.modules.sys.path.append("/tmp/source/")
+ self.c.modules.os.chdir('/tmp/source')
+
+ log = c.modules.BootManager.log('/tmp/new.log')
+ bm = c.modules.BootManager.BootManager(log,'boot')
+
+ BootManagerException = c.modules.Exceptions.BootManagerException
+ InitializeBootManager = c.modules.BootManager.InitializeBootManager
+ ReadNodeConfiguration = c.modules.BootManager.ReadNodeConfiguration
+ bm_continue = True
+
+ InitializeBootManager.Run(bm.VARS, bm.LOG)
+ try: ReadNodeConfiguration.Run(bm.VARS, bm.LOG)
+ except Exception, x:
+ bm_continue = False
+ print " ERROR:", x
+ print " Possibly, unable to find valid configuration file"
+
+ if bm_continue:
+ for key in bm.VARS.keys():
+ print key, " == ", bm.VARS[key]
+ else:
+ print " Unable to read Node Configuration"
+
+
+ def compare_and_repair_nodekeys(self):
+ c = self.c
+ self.c.modules.sys.path.append("/tmp/source/")
+ self.c.modules.os.chdir('/tmp/source')
+
+ log = c.modules.BootManager.log('/tmp/new.log')
+ bm = c.modules.BootManager.BootManager(log,'boot')
+
+ BootManagerException = c.modules.Exceptions.BootManagerException
+ InitializeBootManager = c.modules.BootManager.InitializeBootManager
+ ReadNodeConfiguration = c.modules.BootManager.ReadNodeConfiguration
+ bm_continue = True
+
+ plcnode = plccache.GetNodeByName(self.node)
+
+ InitializeBootManager.Run(bm.VARS, bm.LOG)
+ try: ReadNodeConfiguration.Run(bm.VARS, bm.LOG)
+ except Exception, x:
+ bm_continue = False
+ print "exception"
+ print x
+ print " Possibly, unable to find valid configuration file"
+
+ if bm_continue:
+ print " NODE: %s" % bm.VARS['NODE_KEY']
+ print " PLC : %s" % plcnode['key']
+
+ if bm.VARS['NODE_KEY'] == plcnode['key']:
+ return True
+ else:
+ if api.UpdateNode(self.node, {'key': bm.VARS['NODE_KEY']}):
+ print " Successfully updated NODE_KEY with PLC"
+ return True
+ else:
+ return False
+
+ #for key in bm.VARS.keys():
+ # print key, " == ", bm.VARS[key]
+ else:
+ print " Unable to retrieve NODE_KEY"
+
+ def bootmanager_running(self):
+ if self.c.modules.os.path.exists('/tmp/BM_RUNNING'):
+ return True
+ else:
+ return False
+
+ def set_nodestate(self, state='boot'):
+ return api.UpdateNode(self.node, {'boot_state' : state})
+
+ def restart_node(self, state='boot'):
+ api.UpdateNode(self.node, {'boot_state' : state})
+
+ pflags = PersistFlags(self.node, 1*60*60*24, db='restart_persistflags')
+ if not pflags.getRecentFlag('gentlekill'):
+ print " Killing all slice processes... : %s" % self.node
+ cmd_slicekill = "ls -d /proc/virtual/[0-9]* | awk -F '/' '{print $4}' | xargs -I{} /usr/sbin/vkill -s 9 --xid {} -- 0"
+ self.c.modules.os.system(cmd_slicekill)
+ cmd = """ shutdown -r +1 & """
+ print " Restarting %s : %s" % ( self.node, cmd)
+ self.c.modules.os.system(cmd)
+
+ pflags.setRecentFlag('gentlekill')
+ pflags.save()
+ else:
+ print " Restarting with sysrq 'sub' %s" % self.node
+ cmd = """ (sleep 5; echo 's' > /proc/sysrq-trigger; echo 'u' > /proc/sysrq-trigger; echo 'b' > /proc/sysrq-trigger ) & """
+ self.c.modules.os.system(cmd)
+
+ return
+
+ def restart_bootmanager(self, forceState):
+
+ self.c.modules.os.chdir('/tmp/source')
+ if self.c.modules.os.path.exists('/tmp/BM_RUNNING'):
+ print " BootManager is already running: try again soon..."
+ else:
+ print " Starting 'BootManager.py %s' on %s " % (forceState, self.node)
+ cmd = "( touch /tmp/BM_RUNNING ; " + \
+ " python ./BootManager.py %s &> server.log < /dev/null ; " + \
+ " rm -f /tmp/BM_RUNNING " + \
+ ") &"
+ cmd = cmd % forceState
+ self.c.modules.os.system(cmd)
+
+ return
+
+
+class PlanetLabSession:
+ globalport = 22000 + int(random.random()*1000)
+
+ def __init__(self, node, nosetup, verbose):
+ self.verbose = verbose
+ self.node = node
+ self.port = None
+ self.nosetup = nosetup
+ self.command = None
+ self.setup_host()
+
+ def get_connection(self, config):
+ conn = NodeConnection(SocketConnection("localhost", self.port), self.node, config)
+ #i = 0
+ #while i < 3:
+ # print i, conn.c.modules.sys.path
+ # print conn.c.modules.os.path.exists('/tmp/source')
+ # i+=1
+ # time.sleep(1)
+ return conn
+
+ def setup_host(self):
+ self.port = PlanetLabSession.globalport
+ PlanetLabSession.globalport = PlanetLabSession.globalport + 1
+
+ args = {}
+ args['port'] = self.port
+ args['user'] = 'root'
+ args['hostname'] = self.node
+ args['monitordir'] = config.MONITOR_SCRIPT_ROOT
+ ssh_port = 22
+
+ if self.nosetup:
+ print "Skipping setup"
+ return
+
+ # COPY Rpyc files to host
+ cmd = "rsync -qv -az -e ssh %(monitordir)s/Rpyc/ %(user)s@%(hostname)s:Rpyc 2> /dev/null" % args
+ if self.verbose: print cmd
+ print cmd
+ # TODO: Add timeout
+ timeout = 120
+ localos = moncommands.CMD()
+
+ ret = localos.system(cmd, timeout)
+ print ret
+ if ret != 0:
+ print "\tUNKNOWN SSH KEY FOR %s; making an exception" % self.node
+ #print "MAKE EXPLICIT EXCEPTION FOR %s" % self.node
+ k = SSHKnownHosts(); k.updateDirect(self.node); k.write(); del k
+ ret = localos.system(cmd, timeout)
+ print ret
+ if ret != 0:
+ print "\tFAILED TWICE"
+ #sys.exit(1)
+ raise Exception("Failed twice trying to login with updated ssh host key")
+
+ t1 = time.time()
+ # KILL any already running servers.
+ ssh = moncommands.SSH(args['user'], args['hostname'], ssh_port)
+ (ov,ev) = ssh.run_noexcept2("""<<\EOF
+ rm -f out.log
+ echo "kill server" >> out.log
+ ps ax | grep Rpyc | grep -v grep | awk '{print $1}' | xargs kill 2> /dev/null ;
+ echo "export" >> out.log
+ export PYTHONPATH=$HOME ;
+ echo "start server" >> out.log
+ python Rpyc/Servers/forking_server.py &> server.log &
+ echo "done" >> out.log
+EOF""")
+ #cmd = """ssh %(user)s@%(hostname)s """ + \
+ # """'ps ax | grep Rpyc | grep -v grep | awk "{print \$1}" | xargs kill 2> /dev/null' """
+ #cmd = cmd % args
+ #if self.verbose: print cmd
+ ## TODO: Add timeout
+ #print localos.system(cmd,timeout)
+
+ ## START a new rpyc server.
+ #cmd = """ssh -n %(user)s@%(hostname)s "export PYTHONPATH=\$HOME; """ + \
+ # """python Rpyc/Servers/forking_server.py &> server.log < /dev/null &" """
+ #cmd = cmd % args
+ #if self.verbose: print cmd
+ #print localos.system(cmd,timeout)
+ print "setup rpyc server over ssh"
+ print ssh.ret
+
+ # TODO: Add timeout
+ # This was tricky to make synchronous. The combination of ssh-clients-4.7p1,
+ # and the following options seems to work well.
+ cmd = """ssh -o ExitOnForwardFailure=yes -o BatchMode=yes """ + \
+ """-o PermitLocalCommand=yes -o LocalCommand='echo "READY"' """ + \
+ """-o ConnectTimeout=120 """ + \
+ """-n -N -L %(port)s:localhost:18812 """ + \
+ """%(user)s@%(hostname)s"""
+ cmd = cmd % args
+ if self.verbose: print cmd
+ print cmd
+ self.command = Sopen(cmd, shell=True, stdout=subprocess.PIPE)
+ # TODO: the read() here may block indefinitely. Need a better
+ # approach therefore, that includes a timeout.
+ #ret = self.command.stdout.read(5)
+ ret = moncommands.read_t(self.command.stdout, 5)
+
+ t2 = time.time()
+ if 'READY' in ret:
+ # NOTE: There is still a slight race for machines that are slow...
+ self.timeout = 2*(t2-t1)
+ print "Sleeping for %s sec" % self.timeout
+ time.sleep(self.timeout)
+ return
+
+ if self.command.returncode is not None:
+ print "Failed to establish tunnel!"
+ raise Exception("SSH Tunnel exception : %s %s" % (self.node, self.command.returncode))
+
+ raise Exception("Unknown SSH Tunnel Exception: still running, but did not report 'READY'")
+
+ def __del__(self):
+ if self.command:
+ if self.verbose: print "Killing SSH session %s" % self.port
+ print "Killing SSH session %s" % self.port
+ self.command.kill()
+
+
+def steps_to_list(steps, index=1):
+ return map(lambda x: x[index], steps)
+
+def index_to_id(steps,index):
+ if index < len(steps):
+ return steps[index][0]
+ else:
+ return "done"
+
+class DebugInterface:
+ def __init__(self, hostname):
+ self.hostname = hostname
+ self.session = None
+
+ def getConnection(self):
+ print "Creating session for %s" % self.hostname
+ # update known_hosts file (in case the node has rebooted since last run)
+ try:
+ k = SSHKnownHosts(); k.update(self.hostname); k.write(); del k
+ except:
+ email_exception()
+ print traceback.print_exc()
+ return False
+
+ try:
+ if config == None:
+ self.session = PlanetLabSession(self.hostname, False, True)
+ else:
+ self.session = PlanetLabSession(self.hostname, config.nosetup, config.verbose)
+ except Exception, e:
+ msg = "ERROR setting up session for %s" % self.hostname
+ print msg
+ traceback.print_exc()
+ email_exception(msg)
+ return False
+
+ try:
+ conn = self.session.get_connection(config)
+ except EOFError:
+ # NOTE: sometimes the wait in setup_host() is not long enough.
+ # So, here we try to wait a little longer before giving up entirely.
+ try:
+ time.sleep(self.session.timeout*5)
+ conn = self.session.get_connection(config)
+ except:
+ traceback.print_exc()
+ email_exception(self.hostname)
+ return False
+ #print "trying to use conn before returning it."
+ #print conn.c.modules.sys.path
+ #print conn.c.modules.os.path.exists('/tmp/source')
+ #time.sleep(1)
+
+ #print "conn: %s" % conn
+ return conn
+
+ def getSequences(self):
+
+ # TODO: This can be replaced with a DB definition at a future time.
+ # This would make it possible for an admin to introduce new
+ # patterns without touching code.
+
+ sequences = {}
+ # restart_bootmanager_boot
+ for n in ["bminit-cfg-auth-getplc-update-installinit-validate-rebuildinitrd-netcfg-update3-disk-update4-done",
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-netcfg-update3-disk-update4-update3-exception-protoerror-update-protoerror-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-netcfg-disk-update4-update3-update3-implementerror-bootupdatefail-update-debug-done",
+
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-netcfg-disk-update4-update3-update3-exception-protoerror-update-protoerror-debug-done",
+
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-netcfg-update3-disk-update4-update3-exception-protoerror-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-netcfg-disk-update4-update3-exception-chrootfail-update-debug-done",
+ "bminit-cfg-auth-getplc-update-debug-done",
+ "bminit-cfg-auth-getplc-exception-protoerror-update-protoerror-debug-done",
+ "bminit-cfg-auth-protoerror-exception-update-protoerror-debug-done",
+ "bminit-cfg-auth-protoerror-exception-update-bootupdatefail-authfail-debug-done",
+ "bminit-cfg-auth-protoerror-exception-update-debug-done",
+ "bminit-cfg-auth-getplc-exception-protoerror-update-debug-done",
+ "bminit-cfg-auth-getplc-implementerror-update-debug-done",
+ ]:
+ sequences.update({n : "restart_bootmanager_boot"})
+
+ # conn.restart_bootmanager('rins')
+ for n in [ "bminit-cfg-auth-getplc-installinit-validate-exception-modulefail-update-debug-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-exception-modulefail-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-bmexceptmount-exception-noinstall-update-debug-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-bmexceptmount-exception-noinstall-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-bmexceptvgscan-exception-noinstall-update-debug-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-exception-noinstall-update-debug-done",
+ "bminit-cfg-auth-getplc-hardware-installinit-installdisk-bziperror-exception-update-debug-done",
+ "bminit-cfg-auth-getplc-update-hardware-installinit-installdisk-installbootfs-exception-update-debug-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-bmexceptvgscan-exception-noinstall-update-debug-done",
+ "bminit-cfg-auth-getplc-hardware-installinit-installdisk-installbootfs-exception-update-debug-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-rebuildinitrd-netcfg-update3-implementerror-nofilereference-update-debug-done",
+ "bminit-cfg-auth-getplc-update-hardware-installinit-installdisk-exception-mkfsfail-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-exception-chrootfail-update-debug-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-rebuildinitrd-netcfg-disk-update4-exception-chrootfail-update-debug-done",
+ "bminit-cfg-auth-getplc-update-hardware-installinit-installdisk-installbootfs-installcfg-installstop-update-installinit-validate-rebuildinitrd-netcfg-disk-update4-update3-update3-kernelcopyfail-exception-update-debug-done",
+ "bminit-cfg-auth-getplc-hardware-installinit-installdisk-installbootfs-installcfg-installstop-update-installinit-validate-rebuildinitrd-netcfg-disk-update4-update3-update3-kernelcopyfail-exception-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-exception-noinstall-update-debug-done",
+ # actual solution appears to involve removing the bad files, and
+ # continually trying to boot the node.
+ "bminit-cfg-auth-getplc-update-installinit-validate-rebuildinitrd-netcfg-disk-update4-update3-update3-implementerror-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-exception-bmexceptmount-exception-noinstall-update-debug-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-exception-bmexceptmount-exception-noinstall-update-debug-done",
+ ]:
+ sequences.update({n : "restart_bootmanager_rins"})
+
+ # repair_node_keys
+ sequences.update({"bminit-cfg-auth-bootcheckfail-authfail-exception-update-bootupdatefail-authfail-debug-done": "repair_node_keys"})
+
+ # conn.restart_node('rins')
+ for n in ["bminit-cfg-auth-getplc-update-installinit-validate-rebuildinitrd-exception-chrootfail-update-debug-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-rebuildinitrd-netcfg-update3-disk-update4-exception-chrootfail-update-debug-done",
+ "bminit-cfg-auth-getplc-hardware-installinit-installdisk-installbootfs-installcfg-exception-chrootfail-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-writeerror-exception-chrootfail-update-debug-done",
+ "bminit-cfg-auth-getplc-update-hardware-installinit-exception-bmexceptrmfail-update-debug-done",
+ "bminit-cfg-auth-getplc-hardware-installinit-exception-bmexceptrmfail-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-netcfg-update3-disk-update4-update3-implementerror-bootupdatefail-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-netcfg-update3-implementerror-readonlyfs-update-debug-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-rebuildinitrd-netcfg-update3-nospace-exception-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-netcfg-update3-implementerror-nospace-update-debug-done",
+ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-netcfg-update3-implementerror-update-debug-done",
+ "bminit-cfg-auth-getplc-update-hardware-installinit-installdisk-installbootfs-exception-downloadfail-update-debug-done",
+ ]:
+ sequences.update({n : "restart_node_rins"})
+
+ # restart_node_boot
+ for n in ["bminit-cfg-auth-getplc-implementerror-bootupdatefail-update-debug-done",
+ "bminit-cfg-auth-implementerror-bootcheckfail-update-debug-done",
+ "bminit-cfg-auth-implementerror-bootcheckfail-update-implementerror-bootupdatefail-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-rebuildinitrd-netcfg-update3-implementerror-nospace-update-debug-done",
+ "bminit-cfg-auth-getplc-hardware-installinit-installdisk-installbootfs-exception-downloadfail-update-debug-done",
+ "bminit-cfg-auth-getplc-update-installinit-validate-implementerror-update-debug-done",
+ ]:
+ sequences.update({n: "restart_node_boot"})
+
+ # update_node_config_email
+ for n in ["bminit-cfg-exception-nocfg-update-bootupdatefail-nonode-debug-done",
+ "bminit-cfg-exception-update-bootupdatefail-nonode-debug-done",
+ "bminit-cfg-auth-bootcheckfail-nonode-exception-update-bootupdatefail-nonode-debug-done",
+ ]:
+ sequences.update({n : "update_node_config_email"})
+
+ for n in [ "bminit-cfg-exception-nodehostname-update-debug-done",
+ "bminit-cfg-update-exception-nodehostname-update-debug-done",
+ ]:
+ sequences.update({n : "nodenetwork_email"})
+
+ # update_bootcd_email
+ for n in ["bminit-cfg-auth-getplc-update-hardware-exception-noblockdev-hardwarerequirefail-update-debug-done",
+ "bminit-cfg-auth-getplc-hardware-exception-noblockdev-hardwarerequirefail-update-debug-done",
+ "bminit-cfg-auth-getplc-update-hardware-noblockdev-exception-hardwarerequirefail-update-debug-done",
+ "bminit-cfg-auth-getplc-hardware-noblockdev-exception-hardwarerequirefail-update-debug-done",
+ "bminit-cfg-auth-getplc-hardware-exception-hardwarerequirefail-update-debug-done",
+ ]:
+ sequences.update({n : "update_bootcd_email"})
+
+ for n in [ "bminit-cfg-auth-getplc-installinit-validate-rebuildinitrd-netcfg-update3-implementerror-nofilereference-update-debug-done",
+ ]:
+ sequences.update({n: "suspect_error_email"})
+
+ # update_hardware_email
+ sequences.update({"bminit-cfg-auth-getplc-hardware-exception-disktoosmall-hardwarerequirefail-update-debug-done" : "update_hardware_email"})
+ sequences.update({"bminit-cfg-auth-getplc-hardware-disktoosmall-exception-hardwarerequirefail-update-debug-done" : "update_hardware_email"})
+
+ # broken_hardware_email
+ sequences.update({"bminit-cfg-auth-getplc-update-hardware-exception-hardwarerequirefail-update-debug-done" : "broken_hardware_email"})
+
+ # bad_dns_email
+ for n in [
+ "bminit-cfg-update-implementerror-bootupdatefail-dnserror-update-implementerror-bootupdatefail-dnserror-done",
+ "bminit-cfg-auth-implementerror-bootcheckfail-dnserror-update-implementerror-bootupdatefail-dnserror-done",
+ ]:
+ sequences.update( { n : "bad_dns_email"})
+
+ return sequences
+
+ def getDiskSteps(self):
+ steps = [
+ ('scsierror' , 'SCSI error : <\d+ \d+ \d+ \d+> return code = 0x\d+'),
+ ('ioerror' , 'end_request: I/O error, dev sd\w+, sector \d+'),
+ ('ccisserror' , 'cciss: cmd \w+ has CHECK CONDITION byte \w+ = \w+'),
+
+ ('buffererror', 'Buffer I/O error on device dm-\d, logical block \d+'),
+
+ ('hdaseekerror', 'hda: dma_intr: status=0x\d+ { DriveReady SeekComplete Error }'),
+ ('hdacorrecterror', 'hda: dma_intr: error=0x\d+ { UncorrectableError }, LBAsect=\d+, sector=\d+'),
+
+ ('atareadyerror' , 'ata\d+: status=0x\d+ { DriveReady SeekComplete Error }'),
+ ('atacorrecterror' , 'ata\d+: error=0x\d+ { UncorrectableError }'),
+
+ ('sdXerror' , 'sd\w: Current: sense key: Medium Error'),
+ ('ext3error' , 'EXT3-fs error (device dm-\d+): ext3_find_entry: reading directory #\d+ offset \d+'),
+
+ ('floppytimeout','floppy0: floppy timeout called'),
+ ('floppyerror', 'end_request: I/O error, dev fd\w+, sector \d+'),
+
+ # hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
+ # hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=23331263, sector=23331263
+
+ # floppy0: floppy timeout called
+ # end_request: I/O error, dev fd0, sector 0
+
+ # Buffer I/O error on device dm-2, logical block 8888896
+ # ata1: status=0x51 { DriveReady SeekComplete Error }
+ # ata1: error=0x40 { UncorrectableError }
+ # SCSI error : <0 0 0 0> return code = 0x8000002
+ # sda: Current: sense key: Medium Error
+ # Additional sense: Unrecovered read error - auto reallocate failed
+
+ # SCSI error : <0 2 0 0> return code = 0x40001
+ # end_request: I/O error, dev sda, sector 572489600
+ ]
+ return steps
+
+ def getDiskSequence(self, steps, child):
+ sequence = []
+ while True:
+ id = index_to_id(steps, child.expect( steps_to_list(steps) + [ pexpect.EOF ]))
+ sequence.append(id)
+
+ if id == "done":
+ break
+ return sequence
+
+ def getBootManagerStepPatterns(self):
+ steps = [
+ ('bminit' , 'Initializing the BootManager.'),
+ ('cfg' , 'Reading node configuration file.'),
+ ('auth' , 'Authenticating node with PLC.'),
+ ('getplc' , 'Retrieving details of node from PLC.'),
+ ('update' , 'Updating node boot state at PLC.'),
+ ('hardware' , 'Checking if hardware requirements met.'),
+ ('installinit' , 'Install: Initializing.'),
+ ('installdisk' , 'Install: partitioning disks.'),
+ ('installbootfs', 'Install: bootstrapfs tarball.'),
+ ('installcfg' , 'Install: Writing configuration files.'),
+ ('installstop' , 'Install: Shutting down installer.'),
+ ('update2' , 'Updating node boot state at PLC.'),
+ ('installinit2' , 'Install: Initializing.'),
+ ('validate' , 'Validating node installation.'),
+ ('rebuildinitrd', 'Rebuilding initrd'),
+ ('netcfg' , 'Install: Writing Network Configuration files.'),
+ ('update3' , 'Updating node configuration.'),
+ ('disk' , 'Checking for unused disks to add to LVM.'),
+ ('update4' , 'Sending hardware configuration to PLC.'),
+ ('debug' , 'Starting debug mode'),
+ ('bmexceptmount', 'BootManagerException during mount'),
+ ('bmexceptvgscan', 'BootManagerException during vgscan/vgchange'),
+ ('bmexceptrmfail', 'Unable to remove directory tree: /tmp/mnt'),
+ ('exception' , 'Exception'),
+ ('nocfg' , 'Found configuration file planet.cnf on floppy, but was unable to parse it.'),
+ ('protoerror' , 'XML RPC protocol error'),
+ ('nodehostname' , 'Configured node hostname does not resolve'),
+ ('implementerror', 'Implementation Error'),
+ ('readonlyfs' , '[Errno 30] Read-only file system'),
+ ('baddisk' , "IOError: [Errno 13] Permission denied: '/tmp/mnt/sysimg//vservers/\w+/etc/hosts'"),
+ ('noinstall' , 'notinstalled'),
+ ('bziperror' , 'bzip2: Data integrity error when decompressing.'),
+ ('noblockdev' , "No block devices detected."),
+ ('dnserror' , 'Name or service not known'),
+ ('downloadfail' , 'Unable to download main tarball /boot/bootstrapfs-planetlab-i386.tar.bz2 from server.'),
+ ('disktoosmall' , 'The total usable disk size of all disks is insufficient to be usable as a PlanetLab node.'),
+ ('hardwarerequirefail' , 'Hardware requirements not met'),
+ ('mkfsfail' , 'while running: Running mkfs.ext2 -q -m 0 -j /dev/planetlab/vservers failed'),
+ ('nofilereference', "No such file or directory: '/tmp/mnt/sysimg//vservers/.vref/planetlab-f8-i386/etc/hosts'"),
+ ('kernelcopyfail', "cp: cannot stat `/tmp/mnt/sysimg/boot/kernel-boot': No such file or directory"),
+ ('chrootfail' , 'Running chroot /tmp/mnt/sysimg'),
+ ('modulefail' , 'Unable to get list of system modules'),
+ ('writeerror' , 'write error: No space left on device'),
+ ('nospace' , "No space left on device"),
+ ('nonode' , 'Failed to authenticate call: No such node'),
+ ('authfail' , 'Failed to authenticate call: Call could not be authenticated'),
+ ('bootcheckfail' , 'BootCheckAuthentication'),
+ ('bootupdatefail' , 'BootUpdateNode'),
+ ]
+ return steps
+
+ def getBootManagerSequenceFromLog(self, steps, child):
+ sequence = []
+ while True:
+
+ index = child.expect( steps_to_list(steps) + [ pexpect.EOF ])
+ id = index_to_id(steps,index)
+ sequence.append(id)
+
+ if id == "exception":
+ print "...Found An Exception!!!"
+ elif id == "done": #index == len(steps_to_list(steps)):
+ #print "Reached EOF"
+ break
+
+ return sequence
+
+
+def restore(sitehist, hostname, config=None, forced_action=None):
+
+ # NOTE: Nothing works if the bootcd is REALLY old.
+ # So, this is the first step.
+
+ fbnode = FindbadNodeRecord.get_latest_by(hostname=hostname).to_dict()
+ recent_actions = sitehist.getRecentActions(hostname=hostname)
+
+ if fbnode['observed_category'] == "OLDBOOTCD":
+ print "\t...Notify owner to update BootImage!!!"
+
+ if not found_within(recent_actions, 'newbootcd_notice', 3):
+ sitehist.sendMessage('newbootcd_notice', hostname=hostname)
+
+ print "\tDisabling %s due to out-of-date BootImage" % hostname
+ api.UpdateNode(hostname, {'boot_state' : 'disable'})
+
+ # NOTE: nothing else is possible.
+ return True
+
+ debugnode = DebugInterface(hostname)
+ conn = debugnode.getConnection()
+ #print "conn: %s" % conn
+ #print "trying to use conn after returning it."
+ #print conn.c.modules.sys.path
+ #print conn.c.modules.os.path.exists('/tmp/source')
+ if type(conn) == type(False): return False
+
+ #if forced_action == "reboot":
+ # conn.restart_node('rins')
+ # return True
+
+ boot_state = conn.get_boot_state()
+ if boot_state != "debug":
+ print "... %s in %s state: skipping..." % (hostname , boot_state)
+ return boot_state == "boot"
+
+ if conn.bootmanager_running():
+ print "...BootManager is currently running. Skipping host %s" %hostname
+ return True
+
+ # Read persistent flags, tagged on one week intervals.
+
+ if config and not config.quiet: print "...downloading dmesg from %s" %hostname
+ dmesg = conn.get_dmesg()
+ child = fdpexpect.fdspawn(dmesg)
+
+ steps = debugnode.getDiskSteps()
+ sequence = debugnode.getDiskSequence(steps, child)
+
+ s = Set(sequence)
+ if config and not config.quiet: print "\tSET: ", s
+
+ if len(s) > 1:
+ print "...Potential drive errors on %s" % hostname
+ if len(s) == 2 and 'floppyerror' in s:
+ print "...Should investigate. Continuing with node."
+ else:
+ print "...Should investigate. Skipping node."
+ # TODO: send message related to these errors.
+
+ if not found_within(recent_actions, 'newbootcd_notice', 3):
+
+ log=conn.get_dmesg().read()
+ sitehist.sendMessage('baddisk_notice', hostname=hostname, log=log)
+ conn.set_nodestate('disable')
+
+ return False
+
+ print "...Downloading bm.log from %s" %hostname
+ log = conn.get_bootmanager_log()
+ child = fdpexpect.fdspawn(log)
+
+ if hasattr(config, 'collect') and config.collect: return True
+
+ if config and not config.quiet: print "...Scanning bm.log for errors"
+
+ time.sleep(1)
+
+ steps = debugnode.getBootManagerStepPatterns()
+ sequence = debugnode.getBootManagerSequenceFromLog(steps, child)
+
+ s = "-".join(sequence)
+ print " FOUND SEQUENCE: ", s
+
+ # NOTE: We get or set the flag based on the current sequence identifier.
+ # By using the sequence identifier, we guarantee that there will be no
+ # frequent loops. I'm guessing there is a better way to track loops,
+ # though.
+
+ sequences = debugnode.getSequences()
+ flag_set = True
+
+ if s not in sequences:
+ print " HOST %s" % hostname
+ print " UNKNOWN SEQUENCE: %s" % s
+
+ args = {}
+ args['hostname'] = hostname
+ args['sequence'] = s
+ args['bmlog'] = conn.get_bootmanager_log().read()
+ args['viart'] = False
+
+ sitehist.sendMessage('unknownsequence_notice', **args)
+
+ conn.restart_bootmanager('boot')
+
+ # NOTE: Do not set the pflags value for this sequence if it's unknown.
+ # This way, we can check it again after we've fixed it.
+ flag_set = False
+
+ else:
+
+ if sequences[s] == "restart_bootmanager_boot":
+ print "...Restarting BootManager.py on %s "%hostname
+ conn.restart_bootmanager('boot')
+ elif sequences[s] == "restart_bootmanager_rins":
+ print "...Restarting BootManager.py on %s "%hostname
+ conn.restart_bootmanager('rins')
+ elif sequences[s] == "restart_node_rins":
+ conn.restart_node('rins')
+ elif sequences[s] == "restart_node_boot":
+ conn.restart_node('boot')
+ elif sequences[s] == "repair_node_keys":
+ if conn.compare_and_repair_nodekeys():
+ # the keys either are in sync or were forced in sync.
+ # so try to reboot the node again.
+ conn.restart_bootmanager('rins')
+ pass
+ else:
+ # there was some failure to synchronize the keys.
+ print "...Unable to repair node keys on %s" %hostname
+
+ elif sequences[s] == "suspect_error_email":
+ args = {}
+ args['hostname'] = hostname
+ args['sequence'] = s
+ args['bmlog'] = conn.get_bootmanager_log().read()
+ args['viart'] = False
+
+ sitehist.sendMessage('unknownsequence_notice', **args)
+ conn.restart_bootmanager('boot')
+
+ # TODO: differentiate this and the 'nodenetwork_email' actions.
+ elif sequences[s] == "update_node_config_email":
+
+ if not found_within(recent_actions, 'nodeconfig_notice', 3):
+ args = {}
+ args['hostname'] = hostname
+ sitehist.sendMessage('nodeconfig_notice', **args)
+ conn.dump_plconf_file()
+
+ elif sequences[s] == "nodenetwork_email":
+
+ if not found_within(recent_actions, 'nodeconfig_notice', 3):
+ args = {}
+ args['hostname'] = hostname
+ args['bmlog'] = conn.get_bootmanager_log().read()
+ sitehist.sendMessage('nodeconfig_notice', **args)
+ conn.dump_plconf_file()
+
+ elif sequences[s] == "update_bootcd_email":
+
+ if not found_within(recent_actions, 'newalphacd_notice', 3):
+ args = {}
+ args.update(getconf.getconf(hostname)) # NOTE: Generates boot images for the user:
+ args['hostname'] = hostname
+
+ sitehist.sendMessage('newalphacd_notice', **args)
+
+ print "\tDisabling %s due to out-of-date BOOTCD" % hostname
+
+ elif sequences[s] == "broken_hardware_email":
+ # MAKE An ACTION record that this host has failed hardware. May
+ # require either an exception "/minhw" or other manual intervention.
+ # Definitely need to send out some more EMAIL.
+ # TODO: email notice of broken hardware
+ if not found_within(recent_actions, 'baddisk_notice', 1):
+ print "...NOTIFYING OWNERS OF BROKEN HARDWARE on %s!!!" % hostname
+ args = {}
+ args['hostname'] = hostname
+ args['log'] = conn.get_dmesg().read()
+
+ sitehist.sendMessage('baddisk_notice', **args)
+ conn.set_nodestate('disable')
+
+ elif sequences[s] == "update_hardware_email":
+ if not found_within(recent_actions, 'minimalhardware_notice', 1):
+ print "...NOTIFYING OWNERS OF MINIMAL HARDWARE FAILURE on %s!!!" % hostname
+ args = {}
+ args['hostname'] = hostname
+ args['bmlog'] = conn.get_bootmanager_log().read()
+ sitehist.sendMessage('minimalhardware_notice', **args)
+
+ elif sequences[s] == "bad_dns_email":
+ if not found_within(recent_actions, 'baddns_notice', 1):
+ print "...NOTIFYING OWNERS OF DNS FAILURE on %s!!!" % hostname
+ args = {}
+ try:
+ node = plccache.GetNodeByName(hostname)
+ net = api.GetNodeNetworks(node['nodenetwork_ids'])[0]
+ except:
+ email_exception()
+ print traceback.print_exc()
+ # TODO: api error. skip email, b/c all info is not available,
+ # flag_set will not be recorded.
+ return False
+ nodenet_str = network_config_to_str(net)
+
+ args['hostname'] = hostname
+ args['network_config'] = nodenet_str
+ args['nodenetwork_id'] = net['nodenetwork_id']
+
+ sitehist.sendMessage('baddns_notice', **args)
+
+ return True
+
+
+# MAIN -------------------------------------------------------------------
+
+def main():
+ from monitor import parser as parsermodule
+ parser = parsermodule.getParser()
+
+ parser.set_defaults(child=False, collect=False, nosetup=False, verbose=False,
+ force=None, quiet=False)
+ parser.add_option("", "--child", dest="child", action="store_true",
+ help="This is the child mode of this process.")
+ parser.add_option("", "--force", dest="force", metavar="boot_state",
+ help="Force a boot state passed to BootManager.py.")
+ parser.add_option("", "--quiet", dest="quiet", action="store_true",
+ help="Extra quiet output messages.")
+ parser.add_option("", "--verbose", dest="verbose", action="store_true",
+ help="Extra debug output messages.")
+ parser.add_option("", "--nonet", dest="nonet", action="store_true",
+ help="Do not setup the network, use existing log files to re-run a test pass.")
+ parser.add_option("", "--collect", dest="collect", action="store_true",
+ help="No action, just collect dmesg, and bm.log")
+ parser.add_option("", "--nosetup", dest="nosetup", action="store_true",
+ help="Do not perform the orginary setup phase.")
+
+ parser = parsermodule.getParser(['nodesets', 'defaults'], parser)
+ config = parsermodule.parse_args(parser)
+
+ if config.nodelist:
+ nodes = config.getListFromFile(config.nodelist)
+ elif config.node:
+ nodes = [ config.node ]
+ else:
+ parser.print_help()
+ sys.exit(1)
+
+ for node in nodes:
+ # get sitehist
+ lb = plccache.plcdb_hn2lb[node]
+ sitehist = SiteInterface.get_or_make(loginbase=lb)
+ #reboot(node, config)
+ restore(sitehist, node, config=None, forced_action=None)
+
+if __name__ == "__main__":
+ main()
git://git.onelab.eu / monitor.git / commitdiff