From e31bf0ac4f7ddc898769c5d21ee31298b6fb9f15 Mon Sep 17 00:00:00 2001 From: Stephen Soltesz Date: Mon, 27 Jul 2009 16:22:22 +0000 Subject: [PATCH] add code to automatically handle manual FSCK errors. --- monitor/bootman.py | 63 ++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 56 insertions(+), 7 deletions(-) diff --git a/monitor/bootman.py b/monitor/bootman.py index c127611..96bc740 100755 --- a/monitor/bootman.py +++ b/monitor/bootman.py @@ -122,6 +122,28 @@ class NodeConnection: else: print " Unable to read Node Configuration" + def fsck_repair_node(self): + c = self.c + self.c.modules.sys.path.append("/tmp/source/") + self.c.modules.os.chdir('/tmp/source') + # TODO: restart + # TODO: set boot state to node's actually boot state. + # could be 'boot' or 'safeboot' + self.c.modules.os.chdir('/tmp/source') + if self.c.modules.os.path.exists('/tmp/BM_RUNNING'): + print "Running MANUAL FSCK already... try again soon." + else: + print "Running MANUAL fsck on %s" % self.node + cmd = "( touch /tmp/BM_RUNNING ; " + \ + " fsck -v -f -y /dev/planetlab/root &> out.fsck ; " + \ + " fsck -v -f -y /dev/planetlab/vserver >> out.fsck 2>&1 ; " + \ + " python ./BootManager.py %s &> server.log < /dev/null ; " + \ + " rm -f /tmp/BM_RUNNING " + \ + ") &" + cmd = cmd % self.get_nodestate() + self.c.modules.os.system(cmd) + #self.restart_bootmanager('boot') + pass def compare_and_repair_nodekeys(self): c = self.c @@ -173,6 +195,16 @@ class NodeConnection: def set_nodestate(self, state='boot'): return api.UpdateNode(self.node, {'boot_state' : state}) + def get_nodestate(self): + try: + return api.GetNodes(self.node, ['boot_state'])[0]['boot_state'] + except: + traceback.print_exc() + # NOTE: use last cached value from plc + fbnode = FindbadNodeRecord.get_latest_by(hostname=self.node).to_dict() + return fbnode['plc_node_stats']['boot_state'] + + def restart_node(self, state='boot'): api.UpdateNode(self.node, {'boot_state' : state}) @@ -248,7 +280,8 @@ class PlanetLabSession: return # COPY Rpyc files to host - cmd = "rsync -qv -az -e ssh %(monitordir)s/Rpyc/ %(user)s@%(hostname)s:Rpyc 2> /dev/null" % args + #cmd = "rsync -vvv -az -e ssh %(monitordir)s/Rpyc/ %(user)s@%(hostname)s:Rpyc 2> /dev/null" % args + cmd = """rsync -vvv -az -e "ssh -o BatchMode=yes" %(monitordir)s/Rpyc/ %(user)s@%(hostname)s:Rpyc""" % args if self.verbose: print cmd print cmd # TODO: Add timeout @@ -261,6 +294,8 @@ class PlanetLabSession: 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 + print "trying: ", cmd + print [ "%s=%s" % (a, os.environ[a]) for a in filter(lambda x: 'SSH' in x, os.environ.keys()) ] ret = localos.system(cmd, timeout) print ret if ret != 0: @@ -359,13 +394,13 @@ class DebugInterface: print traceback.print_exc() return False + msg = "ERROR setting up session for %s" % self.hostname try: if config == None: self.session = PlanetLabSession(self.hostname, False, True) else: self.session = PlanetLabSession(self.hostname, config.nosetup, config.verbose) except ExceptionDoubleSSHError, e: - msg = "ERROR setting up session for %s" % self.hostname print msg return False except Exception, e: @@ -455,6 +490,7 @@ class DebugInterface: # repair_node_keys for n in ["bminit-cfg-auth-bootcheckfail-authfail-exception-update-bootupdatefail-authfail-debug-validate-exception-done", "bminit-cfg-auth-bootcheckfail-authfail-exception-update-bootupdatefail-authfail-debug-done", + "bminit-cfg-auth-bootcheckfail-authfail-exception-update-debug-validate-exception-done", ]: sequences.update({n: "repair_node_keys"}) @@ -485,16 +521,25 @@ class DebugInterface: ]: sequences.update({n: "restart_node_boot"}) + # fsck_repair + for n in ["bminit-cfg-auth-getplc-update-installinit-validate-fsckabort-exception-fsckfail-bmexceptmount-exception-noinstall-update-debug-validate-fsckabort-exception-fsckfail-bmexceptmount-done", + "bminit-cfg-auth-getplc-installinit-validate-exception-fsckfail-exception-noinstall-update-debug-validate-exception-fsckfail-done", + "bminit-cfg-auth-getplc-update-installinit-validate-exception-fsckfail-exception-noinstall-update-debug-validate-exception-fsckfail-done" + ]: + sequences.update({n : "fsck_repair"}) + # 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-exception-update-bootupdatefail-nonode-debug-validate-exception-done", "bminit-cfg-exception-nocfg-update-bootupdatefail-nonode-debug-validate-exception-done", "bminit-cfg-auth-bootcheckfail-nonode-exception-update-bootupdatefail-nonode-debug-done", + "bminit-cfg-exception-noconfig-update-debug-validate-exception-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-validate-exception-done", "bminit-cfg-update-exception-nodehostname-update-debug-done", ]: sequences.update({n : "nodenetwork_email"}) @@ -606,12 +651,15 @@ class DebugInterface: ('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'"), + ('fsckabort' , 'is mounted. e2fsck: Cannot continue, aborting'), + ('fsckfail' , 'Running e2fsck -v -p /dev/planetlab/root failed'), + ('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'), + ('noconfig' , "Unable to find and read a node configuration file"), ('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'), @@ -768,12 +816,13 @@ def restore_basic(sitehist, hostname, config=None, forced_action=None): conn.restart_node('reinstall') elif sequences[s] == "restart_node_boot": conn.restart_node('boot') + elif sequences[s] == "fsck_repair": + conn.fsck_repair_node() 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. - # TODO: why was this originally 'reinstall' instead of 'boot'?? - conn.restart_bootmanager('boot') + # so try to start BM again. + conn.restart_bootmanager(conn.get_nodestate()) pass else: # there was some failure to synchronize the keys. -- 2.43.0