#!/usr/bin/python2
-# Copyright (c) 2003 Intel Corporation
-# All rights reserved.
-
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-
-# * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following
-# disclaimer in the documentation and/or other materials provided
-# with the distribution.
-
-# * Neither the name of the Intel Corporation nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-# EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF
-# YOUR JURISDICTION. It is licensee's responsibility to comply with any
-# export regulations applicable in licensee's jurisdiction. Under
-# CURRENT (May 2000) U.S. export regulations this software is eligible
-# for export from the U.S. and can be downloaded by or otherwise
-# exported or reexported worldwide EXCEPT to U.S. embargoed destinations
-# which include Cuba, Iraq, Libya, North Korea, Iran, Syria, Sudan,
-# Afghanistan and any other country to which the U.S. has embargoed
-# goods and services.
-
-
-import sys, os
-from random import Random
+import sys
+import os
import string
+from random import Random
+from types import StringTypes
-# not needed now
-#PLANETLAB_BIN = "/usr/local/planetlab/bin/"
-#sys.path.append(PLANETLAB_BIN)
-#import BootServerRequest
-
+from time import strftime
+TIMEFORMAT="%Y-%m-%d %H:%M:%S"
NODEUPDATE_PID_FILE= "/var/run/NodeUpdate.pid"
# variables for cron file creation
-TARGET_SCRIPT = '(echo && date && echo && /usr/local/planetlab/bin/NodeUpdate.py start) >>/var/log/NodeUpdate.log 2>&1'
+TARGET_SCRIPT = '(echo && date && echo && /usr/bin/NodeUpdate.py start) >>/var/log/NodeUpdate.log 2>&1'
TARGET_DESC = 'Update node RPMs periodically'
TARGET_USER = 'root'
TARGET_SHELL = '/bin/bash'
RPM_GPG_PATH = "/etc/pki/rpm-gpg"
-
# location of file containing http/https proxy info, if needed
PROXY_FILE = '/etc/planetlab/http_proxy'
# location of directory containing boot server ssl certs
SSL_CERT_DIR='/mnt/cdrom/bootme/cacert/'
-# file containing list of extra groups to attempt to update,
-# if necessary.
-EXTRA_GROUPS_FILE= '/etc/planetlab/extra-node-groups'
+# file containing the list of extensions this node has, each
+# correspond to a package group in yum repository.
+# this is expected to be updated from the 'extensions tag'
+# through the 'extensions.php' nodeconfig script
+EXTENSIONS_FILE='/etc/planetlab/extensions'
# file containing a list of rpms that we should attempt to delete
-# before we updating everything else. this list is not
-# removed with 'yum remove', because that could accidently remove
-# dependency rpms that were not intended to be deleted.
+# before updating everything else. This list is not removed with
+# 'yum remove', because that could accidently remove dependency rpms
+# that were not intended to be deleted.
DELETE_RPM_LIST_FILE= '/etc/planetlab/delete-rpm-list'
+# ok, so the logic should be simple, just yum update the world
+# however there are many cases in the real life where this
+# just does not work, because of a glitch somewhere
+# so, we force the update of crucial pkgs independently, as
+# the whole group is sometimes too much to swallow
+# this one is builtin
+CRUCIAL_PACKAGES_BUILTIN=[
+ 'NodeUpdate',
+ 'nodemanager-lib',
+ 'nodemanager-lxc',
+ 'nodemanager-vs',
+]
+# and operations can also try to push a list through a conf_file
+# should use the second one for consistency, try the first one as well for legacy
+CRUCIAL_PACKAGES_OPTIONAL_PATHS=[
+ # this is a legacy name, please avoid using this one
+ '/etc/planetlab/NodeUpdate.packages'
+ # file to use with a hand-written conf_file
+ '/etc/planetlab/crucial-rpm-list'
+ # this one could some day be maintained by a predefined config_file
+ '/etc/planetlab/sliceimage-rpm-list'
+]
# print out a message only if we are displaying output
-def Message(Str):
+def Message(message):
if displayOutput:
- print Str
-
-
-# print out a message only if we are displaying output
+ if isinstance(message,StringTypes) \
+ and len(message) >= 2 \
+ and message[0] == "\n":
+ print "\n",
+ message = message[1:]
+ print strftime(TIMEFORMAT),
+ print message
+
+# always print errors
def Error(Str):
+ print strftime(TIMEFORMAT),
print Str
def UpdateCronFile():
try:
- randomMinute= Random().randrange( 0, 59, 1 );
- randomHour= Random().randrange( 0, 23, 1 );
+ randomMinute= Random().randrange(0, 59, 1);
+ randomHour= Random().randrange(0, 11, 1);
- f = open( CRON_FILE, 'w' );
- f.write( "# %s\n" % (TARGET_DESC) );
- f.write( "MAILTO=%s\n" % (TARGET_USER) );
- f.write( "SHELL=%s\n" % (TARGET_SHELL) );
- f.write( "%s %s * * * %s %s\n\n" %
- (randomMinute, randomHour, TARGET_USER, TARGET_SCRIPT) );
+ f = open(CRON_FILE, 'w');
+ f.write("# %s\n" % (TARGET_DESC));
+ ### xxx is root aliased to the support mailing list ?
+ f.write("MAILTO=%s\n" % (TARGET_USER));
+ f.write("SHELL=%s\n" % (TARGET_SHELL));
+ f.write("%s %s,%s * * * %s %s\n\n" %
+ (randomMinute, randomHour,
+ randomHour + 12, TARGET_USER, TARGET_SCRIPT));
f.close()
- print( "Created new cron.d entry." )
+ print("Created new cron.d entry.")
except:
- print( "Unable to create cron.d entry." )
+ print("Unable to create cron.d entry.")
# simply remove the cron file we created
def RemoveCronFile():
try:
- os.unlink( CRON_FILE )
- print( "Deleted cron.d entry." )
+ os.unlink(CRON_FILE)
+ print("Deleted cron.d entry.")
except:
- print( "Unable to delete cron.d entry." )
+ print("Unable to delete cron.d entry.")
class NodeUpdate:
- def __init__( self, doReboot ):
+ def __init__(self, doReboot):
if self.CheckProxy():
os.environ['http_proxy']= self.HTTP_PROXY
os.environ['HTTP_PROXY']= self.HTTP_PROXY
-
self.doReboot= doReboot
-
-
- def CheckProxy( self ):
- Message( "Checking existance of proxy config file..." )
-
+ def CheckProxy(self):
+ Message("Checking existence of proxy config file...")
if os.access(PROXY_FILE, os.R_OK) and os.path.isfile(PROXY_FILE):
self.HTTP_PROXY= string.strip(file(PROXY_FILE,'r').readline())
- Message( "Using proxy %s." % self.HTTP_PROXY )
+ Message("Using proxy %s." % self.HTTP_PROXY)
return 1
else:
- Message( "Not using any proxy." )
+ Message("Not using any proxy.")
return 0
+ def InstallKeys(self):
+ Message("\nRemoving any existing GPG signing keys from the RPM database")
+ os.system("%s --allmatches -e gpg-pubkey" % RPM_PATH)
+ Message("\nInstalling all GPG signing keys in %s" % RPM_GPG_PATH)
+ os.system("%s --import %s/*" % (RPM_PATH, RPM_GPG_PATH))
- def InstallKeys( self ):
- Message( "\nRemoving any existing GPG signing keys from the RPM database" )
- os.system( "%s --allmatches -e gpg-pubkey" % RPM_PATH )
-
- Message( "\nInstalling all GPG signing keys in %s" % RPM_GPG_PATH )
- os.system( "%s --import %s/*" % (RPM_PATH, RPM_GPG_PATH) )
-
-
- def ClearRebootFlag( self ):
- os.system( "/bin/rm -rf %s" % REBOOT_FLAG )
-
+ def ClearRebootFlag(self):
+ os.system("/bin/rm -rf %s" % REBOOT_FLAG)
- def CheckForUpdates( self ):
-
- Message( "\nRemoving any existing reboot flags" )
+ def CheckForUpdates(self):
+ Message("\nRemoving any existing reboot flags")
self.ClearRebootFlag()
-
if self.doReboot == 0:
- Message( "\nIgnoring any reboot flags set by RPMs" );
-
- Message( "\nChecking if yum supports SSL certificate checks" )
- if os.system( "%s --help | grep -q sslcertdir" % YUM_PATH ) == 0:
- Message( "Yes, using --sslcertdir option" )
+ Message("\nIgnoring any reboot flags set by RPMs");
+ Message("\nChecking if yum supports SSL certificate checks")
+ if os.system("%s --help | grep -q sslcertdir" % YUM_PATH) == 0:
+ Message("It does, using --sslcertdir option")
sslcertdir = "--sslcertdir=" + SSL_CERT_DIR
else:
- Message( "No, not using --sslcertdir option" )
+ Message("Unsupported, not using --sslcertdir option")
sslcertdir = ""
- Message( "\nUpdating PlanetLab group" )
- os.system( "%s %s -y groupupdate \"PlanetLab\"" %
- (YUM_PATH, sslcertdir) )
-
- Message( "\nUpdating rest of system" )
- os.system( "%s %s -y update" %
- (YUM_PATH, sslcertdir) )
-
- Message( "\nChecking for extra groups to update" )
- if os.access(EXTRA_GROUPS_FILE, os.R_OK) and \
- os.path.isfile(EXTRA_GROUPS_FILE):
- extra_groups_contents= file(EXTRA_GROUPS_FILE).read()
- extra_groups_contents= string.strip(extra_groups_contents)
- if extra_groups_contents == "":
- Message( "No extra groups found in file." )
+ yum_options=""
+ Message("\nChecking if yum supports --verbose")
+ if os.system("%s --help | grep -q verbose" % YUM_PATH) == 0:
+ Message("It does, using --verbose option")
+ yum_options += " --verbose"
+ else:
+ Message("Unsupported, not using --verbose option")
+
+ # a configurable list of packages to try and update independently
+ # cautious..
+ try:
+ crucial_packages = []
+ for package in CRUCIAL_PACKAGES_BUILTIN: crucial_packages.append(package)
+ for path in CRUCIAL_PACKAGES_OPTIONAL_PATHS:
+ try: crucial_packages += file(CRUCIAL_PACKAGES_OPTIONAL_PATH1).read().split()
+ except: pass
+ for package in crucial_packages:
+ # if package is not yet installed, like e.g. slice images,
+ # need to yum install, not yum update
+ if os.system("rpm -q %s > /dev/null"%package) == 0:
+ Message("\nUpdating crucial package %s" % package)
+ os.system("%s %s -y update %s" %(YUM_PATH, yum_options, package))
+ else:
+ Message("\Installing crucial package %s" % package)
+ os.system("%s %s -y install %s" %(YUM_PATH, yum_options, package))
+ except:
+ pass
+
+ Message("\nUpdating PlanetLab group")
+ os.system("%s %s %s -y groupinstall \"PlanetLab\"" %
+ (YUM_PATH, yum_options, sslcertdir))
+
+ Message("\nUpdating rest of system")
+ os.system("%s %s %s -y update" % (YUM_PATH, yum_options, sslcertdir))
+
+ Message("\nChecking for extra groups (extensions) to update")
+ if os.access(EXTENSIONS_FILE, os.R_OK) and \
+ os.path.isfile(EXTENSIONS_FILE):
+ extensions_contents= file(EXTENSIONS_FILE).read()
+ extensions_contents= string.strip(extensions_contents)
+ if extensions_contents == "":
+ Message("No extra groups found in file.")
else:
- for group in string.split(extra_groups_contents,"\n"):
- Message( "\nUpdating %s group" % group )
- os.system( "%s %s -y groupupdate \"%s\"" %
- (YUM_PATH, sslcertdir, group) )
+ extensions_contents.strip()
+ for extension in extensions_contents.split():
+ group = "extension%s" % extension
+ Message("\nUpdating %s group" % group)
+ os.system("%s %s %s -y groupinstall \"%s\"" %
+ (YUM_PATH, yum_options, sslcertdir, group))
else:
- Message( "No extra groups file found" )
+ Message("No extensions file found")
if os.access(REBOOT_FLAG, os.R_OK) and os.path.isfile(REBOOT_FLAG) and self.doReboot:
- Message( "\nAt least one update requested the system be rebooted" )
+ Message("\nAt least one update requested the system be rebooted")
self.ClearRebootFlag()
- os.system( "/sbin/shutdown -r now" )
-
-
- def RemoveRPMS( self ):
-
- Message( "\nLooking for RPMs to be deleted." )
+ os.system("/sbin/shutdown -r now")
+
+ def RebuildRPMdb(self):
+ Message("\nRebuilding RPM Database.")
+ try: os.system("rm /var/lib/rpm/__db.*")
+ except Exception, err: print "RebuildRPMdb: %s" % err
+ try: os.system("%s --rebuilddb" % RPM_PATH)
+ except Exception, err: print "RebuildRPMdb: %s" % err
+
+ def YumCleanAll (self):
+ Message ("\nCleaning all yum cache (yum clean all)")
+ try:
+ os.system("yum clean all")
+ except:
+ pass
+
+ def RemoveRPMS(self):
+ Message("\nLooking for RPMs to be deleted.")
if os.access(DELETE_RPM_LIST_FILE, os.R_OK) and \
os.path.isfile(DELETE_RPM_LIST_FILE):
- rpm_list_contents= file(DELETE_RPM_LIST_FILE).read()
- rpm_list_contents= string.strip(rpm_list_contents)
+ rpm_list_contents= file(DELETE_RPM_LIST_FILE).read().strip()
if rpm_list_contents == "":
- Message( "No RPMs listed in file to delete." )
+ Message("No RPMs listed in file to delete.")
return
- rpm_list= string.join(string.split(rpm_list_contents))
-
- Message( "Deleting these RPMs:" )
- Message( rpm_list_contents )
+ rpm_list= string.split(rpm_list_contents)
- rc= os.system( "%s -ev %s" % (RPM_PATH, rpm_list) )
-
- if rc != 0:
- Error( "Unable to delete RPMs, continuing. rc=%d" % rc )
- else:
- Message( "RPMs deleted successfully." )
+ Message("Deleting RPMs from %s: %s" %(DELETE_RPM_LIST_FILE," ".join(rpm_list)))
+
+ # invoke them separately as otherwise one faulty (e.g. already uninstalled)
+ # would prevent the other ones from uninstalling
+ for rpm in rpm_list:
+ # is it installed
+ is_installed = os.system ("%s -q %s"%(RPM_PATH,rpm))==0
+ if not is_installed:
+ Message ("Ignoring rpm %s marked to delete, already uninstalled"%rpm)
+ continue
+ uninstalled = os.system("%s -ev %s" % (RPM_PATH, rpm))==0
+ if uninstalled:
+ Message ("Successfully removed RPM %s"%rpm)
+ continue
+ else:
+ Error("Unable to delete RPM %s, continuing. rc=%d" % (rpm,uninstalled))
else:
- Message( "No RPMs list file found." )
-
-
+ Message("No RPMs list file found.")
+##############################
if __name__ == "__main__":
- # if we are invoked with 'start', display the output. this
- # is usefull for running something under cron and as a service
- # (at startup), so the cron only outputs errors and doesn't
+ # if we are invoked with 'start', display the output.
+ # this is useful for running something silently
+ # under cron and as a service (at startup),
+ # so the cron only outputs errors and doesn't
# generate mail when it works correctly
displayOutput= 0
doReboot= 1
- if "start" in sys.argv:
+ if "start" in sys.argv or "display" in sys.argv:
displayOutput= 1
+ Message ("\nTurning on messages")
if "noreboot" in sys.argv:
doReboot= 0
pid= string.strip(file(NODEUPDATE_PID_FILE).readline())
if pid <> "":
if os.system("/bin/kill -0 %s > /dev/null 2>&1" % pid) == 0:
- Message( "It appears we are already running, exiting." )
+ Message("It appears we are already running, exiting.")
sys.exit(1)
# write out our process id
- pidfile= file( NODEUPDATE_PID_FILE, 'w' )
- pidfile.write( "%d\n" % os.getpid() )
+ pidfile= file(NODEUPDATE_PID_FILE, 'w')
+ pidfile.write("%d\n" % os.getpid())
pidfile.close()
nodeupdate= NodeUpdate(doReboot)
if not nodeupdate:
- Error( "Unable to initialize." )
+ Error("Unable to initialize.")
else:
+ nodeupdate.RebuildRPMdb()
nodeupdate.RemoveRPMS()
nodeupdate.InstallKeys()
+ nodeupdate.YumCleanAll()
nodeupdate.CheckForUpdates()
- Message( "\nUpdate complete." )
+ Message("\nUpdate complete.")
# remove the PID file
- os.unlink( NODEUPDATE_PID_FILE )
-
+ os.unlink(NODEUPDATE_PID_FILE)