import sys, os
from random import Random
import string
+from types import StringTypes
+
+from time import strftime
+TIMEFORMAT="%Y-%m-%d %H:%M:%S"
NODEUPDATE_PID_FILE= "/var/run/NodeUpdate.pid"
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' ]
+# 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_PATH1='/etc/planetlab/NodeUpdate.packages'
+CRUCIAL_PACKAGES_OPTIONAL_PATH2='/etc/planetlab/crucial-rpm-list'
+
# print out a message only if we are displaying output
-def Message(Str):
+def Message(message):
if displayOutput:
- print Str
+ if isinstance(message,StringTypes) and len(message) >=2 and message[0]=="\n":
+ print "\n",
+ message=message[1:]
+ print strftime(TIMEFORMAT),
+ print message
-
-# print out a message only if we are displaying output
+# always print errors
def Error(Str):
+ print strftime(TIMEFORMAT),
print Str
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" %
def CheckProxy( self ):
- Message( "Checking existance of proxy config file..." )
+ 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( "\nChecking if yum supports SSL certificate checks" )
if os.system( "%s --help | grep -q sslcertdir" % YUM_PATH ) == 0:
- Message( "Yes, using --sslcertdir option" )
+ 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 = ""
+ 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)
+ try: crucial_packages += file(CRUCIAL_PACKAGES_OPTIONAL_PATH1).read().split()
+ except: pass
+ try: crucial_packages += file(CRUCIAL_PACKAGES_OPTIONAL_PATH2).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 -y groupupdate \"PlanetLab\"" %
- (YUM_PATH, sslcertdir) )
+ os.system( "%s %s %s -y groupinstall \"PlanetLab\"" %
+ (YUM_PATH, yum_options, 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 == "":
+ 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"):
+ extensions_contents.strip()
+ for extension in extensions_contents.split():
+ group = "extension%s" % extension
Message( "\nUpdating %s group" % group )
- os.system( "%s %s -y groupupdate \"%s\"" %
- (YUM_PATH, sslcertdir, 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" )
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." )
return
- rpm_list= string.join(string.split(rpm_list_contents))
+ rpm_list= string.split(rpm_list_contents)
- Message( "Deleting these RPMs:" )
- Message( 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." )
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
nodeupdate.RebuildRPMdb()
nodeupdate.RemoveRPMS()
nodeupdate.InstallKeys()
+ nodeupdate.YumCleanAll()
nodeupdate.CheckForUpdates()
Message( "\nUpdate complete." )