447 lines
19 KiB
Python
447 lines
19 KiB
Python
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# vim: noexpandtab tabstop=4
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import os
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import shutil
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import subprocess
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import syslog
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from yum.constants import *
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from yum.plugins import PluginYumExit
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from yum.plugins import TYPE_CORE
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from yum.packages import parsePackages
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from yum.packages import RpmBase
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requires_api_version = '2.1'
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plugin_type = (TYPE_CORE,)
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events_path = '/etc/e-smith/events'
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initialize_database = events_path + '/actions/initialize-default-databases'
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navigation_conf = events_path + '/actions/navigation-conf'
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systemctl = "/usr/bin/systemctl"
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yum_update_dbs = events_path + '/actions/yum-update-dbs'
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signal_event = '/sbin/e-smith/signal-event'
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config_set = '/sbin/e-smith/config'
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status_file = '/var/run/yum.status'
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expand_template = '/sbin/e-smith/expand-template'
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service = '/sbin/e-smith/service'
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eventlist = dict()
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actionlist = dict()
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templateslist = dict()
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serviceslist = dict()
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# list of packages that need a reboot
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# if a package name starts with one these names, a reboot is needed
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rebootpkgs = ['daemontools', 'dbus', 'glibc', 'gnutls', 'kernel', 'linux-firmware', 'lvm2', 'mdadm', 'openssl-libs', 'systemd']
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# exclusions :
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rebootpkgsexclude = dict()
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rebootpkgsexclude['dbus']='-python','-tests','-devel','-doc',
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rebootpkgsexclude['glibc']='-devel','-headers','-statics','-utils','-glib',
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rebootpkgsexclude['gnutls']='-devel',
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rebootpkgsexclude['kernel']='-doc','-debug','-devel','-abi-whitelists','tools',
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rebootpkgsexclude['lvm2']='-devel','-python',
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rebootpkgsexclude['systemd']='-devel','-python',
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# list of packages that need a service restart
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# if a package name starts with one of these values, a service restart is needed
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# since, for example, httpd means httpd-admin and httpd-e-smith, we won't use these names directly but via serviceslist (see below)
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restartpkgs = ['dovecot','bglibs','cvm','freeradius','httpd','iptables', 'mariadb' , 'nut', 'openldap', 'openssh', 'php', 'pptpd', 'proftp', 'samba', 'spamassassin', 'squid', 'qmail', 'qpsmtpd']
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servicenames = dict()
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servicenames['bglibs']='cvm-unix',
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servicenames['cvm']='cvm-unix',
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servicenames['dovecot']='dovecot',
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servicenames['freeradius']='radiusd',
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servicenames['httpd']='httpd-admin','httpd-e-smith',
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servicenames['iptables']='masq',
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servicenames['mariadb']='mariadb',
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servicenames['nut']='nut-server','nut-driver','nut-monitor',
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servicenames['openldap']='ldap',
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servicenames['openssh']='sshd',
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servicenames['php']='httpd-e-smith', 'php-fpm', 'php55-php-fpm', 'php56-php-fpm', 'php70-php-fpm', 'php71-php-fpm', 'php72-php-fpm', 'php73-php-fpm', 'php74-php-fpm', 'php80-php-fpm', 'php81-php-fpm',
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servicenames['proftp']='ftp',
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servicenames['samba']='smb',
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servicenames['spamassassin']='spamassassin',
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servicenames['squid']='squid',
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servicenames['qmail']='qmail',
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servicenames['qpsmtpd']='qpsmtpd',
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smechange = False
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smechangelist = dict()
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ourfile = False
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erasing = False
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DEBUG = False
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smeEventPretrans = False
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removenorebootok = dict()
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def log(s):
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if DEBUG :
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print s
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def createevent():
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if os.path.isdir('/etc/e-smith/events/temp'):
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shutil.rmtree('/etc/e-smith/events/temp')
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os.makedirs('/etc/e-smith/events/temp/services2adjust', 0o777)
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os.makedirs('/etc/e-smith/events/temp/templates2expand', 0o777)
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def addtemplate2expand(template):
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#check filename
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head_tail = os.path.split(template)
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head = head_tail[0];
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filename = head_tail[1];
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# create dir
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if not os.path.isdir('/etc/e-smith/events/temp/templates2expand' + head):
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os.makedirs('/etc/e-smith/events/temp/templates2expand' + head, 0o777)
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#touch file
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fname= '/etc/e-smith/events/temp/templates2expand'+ template
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fhandle = open(fname, 'a')
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try:
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os.utime(fname, None)
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finally:
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fhandle.close()
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def report_yum_status(status):
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fileHandle = open(status_file, 'w')
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fileHandle.write(status)
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fileHandle.close()
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def predownload_hook(conduit):
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report_yum_status('predownload')
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def postdownload_hook(conduit):
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report_yum_status('postdownload')
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def prereposetup_hook(conduit):
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global ourfile
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ourfile = True
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report_yum_status('prereposetup')
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def postreposetup_hook(conduit):
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report_yum_status('postreposetup')
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def exclude_hook(conduit):
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report_yum_status('exclude')
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def preresolve_hook(conduit):
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report_yum_status('preresolve')
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def postresolve_hook(conduit):
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report_yum_status('postresolve')
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def pretrans_hook(conduit):
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# we might need to change the strategy here to make a difference between update and removal.
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#transaction set states
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#TS_UPDATE = 10
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#TS_INSTALL = 20
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#TS_TRUEINSTALL = 30
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#TS_ERASE = 40
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#TS_OBSOLETED = 50
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#TS_OBSOLETING = 60
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#TS_AVAILABLE = 70
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#TS_UPDATED = 90
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#TS_FAILED = 100
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#TS_INSTALL_STATES = [TS_INSTALL, TS_TRUEINSTALL, TS_UPDATE, TS_OBSOLETING]
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#TS_REMOVE_STATES = [TS_ERASE, TS_OBSOLETED, TS_UPDATED]
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report_yum_status('pretrans')
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log("*******Pretrans********")
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# Prefetch filelist for packages to be removed,
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# otherwise for updated packages headers will not be available
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ts = conduit.getTsInfo()
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removes = ts.getMembersWithState(output_states=TS_REMOVE_STATES)
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rpmdb = conduit.getRpmDB()
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global smechange
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global eventlist
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global actionlist
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global templateslist
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global serviceslist
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global erasing
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global smeEventPretrans
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global removenorebootok
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# reinstall are not listed there so already skipped
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# downgrade are going there
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# update are going there, we filter them out
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# real removal are the real deal there ; downgrade are played like if they were removal
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for tsmem in removes:
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erasing = True
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(n, a, e, v, r) = tsmem.po.pkgtup
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if tsmem.output_state == TS_UPDATED :
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# if we are actually updating then we are not removing, and new package will do better... skipping
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log('skiping as updating ==> state ' + str(tsmem.po.state) + " RPM current state" + str(tsmem.current_state) + " RPM output state" + str(tsmem.output_state))
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continue
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log('**Package: ' + tsmem.name + ' to be removed')
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smeevent = tsmem.name + '-update'
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if os.path.isdir(events_path + os.sep + smeevent):
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tmppath = events_path + os.sep + smeevent + os.sep
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eventlist[tsmem.name] = smeevent
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if os.path.isdir(tmppath + "templates2expand" + os.sep):
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tmppathtmpl = tmppath + "templates2expand" + os.sep
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for subdir, dirs, files in os.walk(tmppathtmpl):
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for file in files:
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mytmptemplate = os.path.join(subdir, file).replace(tmppathtmpl,os.sep)
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if not templateslist.has_key(mytmptemplate):
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templateslist[mytmptemplate]=mytmptemplate
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log(" template " + mytmptemplate)
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# nothing for actions ???
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tmppathsrv = tmppath + os.sep
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files = [f for f in os.listdir(tmppathsrv)]
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for f in files:
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if os.path.islink(tmppathsrv + f):
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mytmpaction = os.path.realpath(os.readlink(tmppath + f).replace("..",events_path))
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log(" link " + f + ": " + mytmpaction)
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actionlist[f]=mytmpaction
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# end debug print
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if os.path.isdir(tmppath + "services2adjust" + os.sep):
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tmppathsrv = tmppath + "services2adjust" + os.sep
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files = [f for f in os.listdir(tmppathsrv)]
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for f in files:
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if os.path.islink(tmppathsrv + f):
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log(" service link " + f + ": " + (os.readlink(tmppathsrv + f)))
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mytmpserv = os.readlink(tmppathsrv + f)
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if not serviceslist.has_key(f):
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serviceslist[f]=mytmpserv
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else:
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if mytmpserv == "restart":
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log("overriding all signals, forcing restart " + f )
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serviceslist[f]="restart"
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removenorebootok[n]=1;
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thispo = rpmdb.searchNevra(name=n, arch=a, epoch=e, ver=v, rel=r)[0]
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# thispo.dirlist thispo.ghostlist thispo.filelist
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if "/etc/e-smith/web/panels/manager/cgi-bin" in thispo.dirlist:
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log(" ==> pannel detected : adding navigation-conf")
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actionlist['S80navigation-conf']="/etc/e-smith/events/actions/navigation-conf"
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else:
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if (n.startswith('smeserver') or n.startswith('e-smith')) and not n.startswith('smeserver-locale'):
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smechange = True
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smechangelist[n]=str(tsmem.po.state) + " " + str(tsmem.current_state) + " " + str(tsmem.output_state)
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log("smechange set to True because of " + n + " with " + str(tsmem.po.state) + " " + str(tsmem.current_state) + " " + str(tsmem.output_state) )
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#only for debug
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log('## smechange: '+str(smechange))
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log('## eventlist: '+ str(eventlist))
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log('## templateslist: '+str(templateslist.keys()))
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log('## serviceslist: '+str(serviceslist.items()))
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log('## actions ALL: ' + str(actionlist.keys()))
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log('## smechangelist: ' + str(smechangelist.keys()))
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if len(serviceslist)>0:
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# would it be a good idea to do some action/event there to stop service being removed ?
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# for the moment we do not, logic : if template still there at posttrans, we expand it after removal
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# probably the actions in some situations could be done before...
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# create an empty temp event
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print "Creating temporary event 'temp' and populating it..."
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createevent()
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print " Adding services to adjust"
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for kservices in serviceslist:
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log(" " + kservices + ": " + serviceslist[kservices])
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os.symlink(serviceslist[kservices], '/etc/e-smith/events/temp/services2adjust/' + kservices)
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# execute the event ; should we really wait ??
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print "Executing signal-event temp before uninstalling ..........."
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os.spawnl(os.P_WAIT,signal_event,signal_event, 'temp')
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smeEventPretrans = True;
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def posttrans_hook(conduit):
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report_yum_status('posttrans')
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log("*******Postrans********")
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ts = conduit.getTsInfo()
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rpmdb = conduit.getRpmDB()
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global smechange
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global eventlist
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global actionlist
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global templateslist
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global serviceslist
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global erasing
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global smeEventPretrans
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global removenorebootok
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for tsmem in ts.getMembers():
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(n, a, e, v, r) = tsmem.po.pkgtup
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# n: name ; a : arch; e: epoch ; v: version, r: release
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#if tsmem.output_state in TS_INSTALL_STATES:
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# thispo = rpmdb.searchNevra(name=n, arch=a, epoch=e, ver=v, rel=r)[0]
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# we're upgrading/installing/removing a rebootpkgs package.. a reboot is required
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for pkg in rebootpkgs:
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if n.startswith(pkg):
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log('**Package: ' + tsmem.name + ' triggers reboot')
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# we do some exclusions -devel -doc ...
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if pkg in rebootpkgsexclude:
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cont=False
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for name in rebootpkgsexclude[pkg]:
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if n.startswith(pkg + name):
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cont=True
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if cont:
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# this is an exception we do not need reboot : -devel, -doc ...
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continue
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# either no exception or does not fit exceptions: we need reboot
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smechange = True
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smechangelist[n]=str(tsmem.po.state) + " " + str(tsmem.current_state) + " " + str(tsmem.output_state)
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log("smechange set to True because of " + n + " with " + str(tsmem.po.state) + " " + str(tsmem.current_state) + " " + str(tsmem.output_state))
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#log("smechange set to True because of " + pkg)
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# check if we're upgrading a restartpkgs rpm
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for pkg in restartpkgs:
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if n.startswith(pkg):
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if pkg in servicenames:
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for name in servicenames[pkg]:
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if not serviceslist.has_key(name):
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serviceslist[name] = 'restart'
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else:
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if not serviceslist.has_key(pkg):
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serviceslist[pkg] = 'restart'
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#if smechange is true we can ignore the following part
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# wondering if we reallly do want to ignore that : let's say we want to delay kernel reboot,
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# could we at least configure httpd cleanly until next week ?
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# also when updating a package the erasing flag was on and prevented to do this ....
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# if not smechange and not erasing:
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if True:
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smeevent = tsmem.name + '-update'
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if os.path.isdir(events_path + os.sep + smeevent):
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tmppath = events_path + os.sep + smeevent + os.sep
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eventlist[tsmem.name] = smeevent
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files = [f for f in os.listdir(tmppath)]
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for f in files:
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if os.path.islink(tmppath + f):
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mytmpaction = os.path.realpath(os.readlink(tmppath + f).replace("..",events_path))
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#log(" link " + f + ": " + mytmpaction)
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actionlist[f]=mytmpaction
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if os.path.isdir(tmppath + "templates2expand" + os.sep):
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tmppathtmpl = tmppath + "templates2expand" + os.sep
|
||
|
|
for subdir, dirs, files in os.walk(tmppathtmpl):
|
||
|
|
for file in files:
|
||
|
|
mytmptemplate = os.path.join(subdir, file).replace(tmppathtmpl,os.sep)
|
||
|
|
if not templateslist.has_key(mytmptemplate):
|
||
|
|
templateslist[mytmptemplate]=mytmptemplate
|
||
|
|
log(" template " + mytmptemplate)
|
||
|
|
|
||
|
|
if os.path.isdir(tmppath + "services2adjust" + os.sep):
|
||
|
|
tmppathsrv = tmppath + "services2adjust" + os.sep
|
||
|
|
files = [f for f in os.listdir(tmppathsrv)]
|
||
|
|
for f in files:
|
||
|
|
if os.path.islink(tmppathsrv + f):
|
||
|
|
log(" service link " + f + ": " + (os.readlink(tmppathsrv + f)))
|
||
|
|
mytmpserv = os.readlink(tmppathsrv + f)
|
||
|
|
if not serviceslist.has_key(f):
|
||
|
|
serviceslist[f]=mytmpserv
|
||
|
|
else:
|
||
|
|
if mytmpserv == "restart":
|
||
|
|
#only for debug
|
||
|
|
log("overriding all signals, forcing restart " + f)
|
||
|
|
serviceslist[f]="restart"
|
||
|
|
if tsmem.output_state in TS_INSTALL_STATES:
|
||
|
|
thispo = rpmdb.searchNevra(name=n, arch=a, epoch=e, ver=v, rel=r)[0]
|
||
|
|
# thispo.dirlist thispo.ghostlist thispo.filelist
|
||
|
|
if "/etc/e-smith/web/panels/manager/cgi-bin" in thispo.dirlist:
|
||
|
|
log(" ==> pannel detected : adding navigation-conf")
|
||
|
|
actionlist['S80navigation-conf']="/etc/e-smith/events/actions/navigation-conf"
|
||
|
|
|
||
|
|
else:
|
||
|
|
if (n.startswith('smeserver') or n.startswith('e-smith')) and not n.startswith('smeserver-locale') and not (n in removenorebootok):
|
||
|
|
smechange = True
|
||
|
|
smechangelist[n]=str(tsmem.po.state) + " " + str(tsmem.current_state) + " " + str(tsmem.output_state)
|
||
|
|
log("smechange set to True because of " + n + " with " + str(tsmem.po.state) + " " + str(tsmem.current_state) + " " + str(tsmem.output_state) )
|
||
|
|
|
||
|
|
#only for debug
|
||
|
|
log('## smechange: '+str(smechange))
|
||
|
|
log('## eventlist: '+ str(eventlist))
|
||
|
|
log('## templateslist: '+str(templateslist.keys()))
|
||
|
|
log('## serviceslist: '+str(serviceslist.items()))
|
||
|
|
log('## actions ALL: ' + str(actionlist.keys()))
|
||
|
|
log('## smechangelist: ' + str(smechangelist.keys()))
|
||
|
|
|
||
|
|
# check if smechange is true or if eventlist has items.. in both cases we must initialize databases
|
||
|
|
if smechange == True or len(eventlist)>0:
|
||
|
|
print 'Initializing databases'
|
||
|
|
os.spawnl(os.P_WAIT, initialize_database, initialize_database)
|
||
|
|
|
||
|
|
# just in case we add systemd-default and systemd-reload
|
||
|
|
if not actionlist.has_key('S88systemd-default'):
|
||
|
|
actionlist['S88systemd-default'] = '/etc/e-smith/events/actions/systemd-default'
|
||
|
|
if not actionlist.has_key('S89systemd-reload'):
|
||
|
|
actionlist['S89systemd-reload'] = '/etc/e-smith/events/actions/systemd-reload'
|
||
|
|
|
||
|
|
# here we would like to remove duplicates
|
||
|
|
# those are potential : S??navigation-conf S??systemd-reload S??systemd-default
|
||
|
|
for act in ('navigation-conf','systemd-reload','systemd-default'):
|
||
|
|
global iter
|
||
|
|
iter = 0
|
||
|
|
for key in actionlist.keys():
|
||
|
|
if key.endswith(act):
|
||
|
|
iter += 1
|
||
|
|
if iter>1:
|
||
|
|
del actionlist[key]
|
||
|
|
log("removing duplicate action " + key + " iter " + str(iter))
|
||
|
|
|
||
|
|
|
||
|
|
# now, if smechange is false (no reboot needed), we can execute actions, expand templates and adjust services
|
||
|
|
|
||
|
|
# create an empty temp event
|
||
|
|
print "Creating temporary event 'temp' and populating it..."
|
||
|
|
createevent()
|
||
|
|
|
||
|
|
# fill it with our list of actions
|
||
|
|
if len(actionlist)>0:
|
||
|
|
print " Adding actions to execute"
|
||
|
|
for kactions in actionlist:
|
||
|
|
if os.path.isfile(actionlist[kactions]):
|
||
|
|
log(" " + kactions)
|
||
|
|
os.symlink(actionlist[kactions],'/etc/e-smith/events/temp/' + kactions)
|
||
|
|
|
||
|
|
# fill it with our list of templates to expand
|
||
|
|
if len(templateslist)>0:
|
||
|
|
print " Adding templates to expand"
|
||
|
|
for ktemplates in templateslist:
|
||
|
|
mytemplatedir = '/etc/e-smith/templates/' + ktemplates
|
||
|
|
mytemplatemeta = '/etc/e-smith/templates.metadata/' + ktemplates
|
||
|
|
if os.path.exists(mytemplatedir) or os.path.exists(mytemplatemeta):
|
||
|
|
log(" " + ktemplates)
|
||
|
|
addtemplate2expand(ktemplates)
|
||
|
|
|
||
|
|
if len(serviceslist)>0:
|
||
|
|
print " Adding services to adjust"
|
||
|
|
for kservices in serviceslist:
|
||
|
|
log(" " + kservices + ": " + serviceslist[kservices])
|
||
|
|
os.symlink(serviceslist[kservices], '/etc/e-smith/events/temp/services2adjust/' + kservices)
|
||
|
|
|
||
|
|
# execute the event ; should we really wait ??
|
||
|
|
print "Executing signal-event temp ..........."
|
||
|
|
os.spawnl(os.P_WAIT,signal_event,signal_event, 'temp')
|
||
|
|
|
||
|
|
if smechange:
|
||
|
|
os.spawnl(os.P_WAIT, config_set, config_set, 'set', 'UnsavedChanges', 'yes')
|
||
|
|
os.spawnl(os.P_WAIT, navigation_conf, navigation_conf)
|
||
|
|
syslog.syslog('Needs signal-event post-upgrade; signal-event reboot because of: ' + str(smechangelist.keys()) )
|
||
|
|
print "Reload yum db for server-manager"
|
||
|
|
os.spawnl(os.P_WAIT, systemctl, systemctl, 'restart', 'yum')
|
||
|
|
|
||
|
|
def close_hook(conduit):
|
||
|
|
if ourfile and os.path.isfile('/var/run/yum.status'):
|
||
|
|
os.unlink('/var/run/yum.status')
|
||
|
|
|
||
|
|
if smechange:
|
||
|
|
print "\nThe following updates require a server reboot:\n" + str(smechangelist.keys())
|
||
|
|
print "\n=============================================================="
|
||
|
|
print "WARNING: You now need to run BOTH of the following commands"
|
||
|
|
print "to ensure consistent system state:\n"
|
||
|
|
print "signal-event post-upgrade; signal-event reboot\n"
|
||
|
|
print "You should run these commands unless you are certain that"
|
||
|
|
print "yum made no changes to your system."
|
||
|
|
print "=============================================================="
|
||
|
|
|