generated from smedev/Template-for-SMEServer-Core-Package
Jean-Philippe Pialasse
cc7626c868
- fix python error in dnf plugin [SME: 12601] - fix server error in old manager [SME: 12602]
506 lines
23 KiB
Python
506 lines
23 KiB
Python
# 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 dnfpluginscore import _, logger
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import libdnf.conf
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import dnf
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import dnf.transaction
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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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signal_event = '/sbin/e-smith/signal-event'
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config_set = '/sbin/e-smith/config'
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status_file = '/var/cache/dnf/dnf.status'
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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', 'php72-php-fpm', 'php73-php-fpm', 'php74-php-fpm', 'php80-php-fpm', 'php81-php-fpm', 'php82-php-fpm', 'php83-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', 'sqpsmtpd',
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DEBUG = False
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smechange = False
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smechangelist = dict()
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ourfile = False
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# not used
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erasing = False
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# not used
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smeEventPretrans = False
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removenorebootok = dict()
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class SMEServer(dnf.Plugin):
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name = "smeserver"
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def __init__(self, base, cli):
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super(SMEServer, self).__init__(base, cli)
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self.base = base
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self.logger = logger
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self.report_yum_status('init')
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def log(self,s):
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if DEBUG :
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print(s)
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def createevent(self):
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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(self,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(self,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 pre_config(self):
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self.report_yum_status('pre_config')
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def config(self):
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self.report_yum_status('config')
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def sack(self):
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global ourfile
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ourfile = True
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self.report_yum_status('sack')
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def resolved(self):
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self.report_yum_status('resolved')
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#2 PKG_DOWNGRADE = dnf.transaction.PKG_DOWNGRADE # :api
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#1 PKG_INSTALL = dnf.transaction.PKG_INSTALL # :api
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#4 PKG_OBSOLETE = dnf.transaction.PKG_OBSOLETE # :api
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#9 PKG_REINSTALL = dnf.transaction.PKG_REINSTALL # :api
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#8 PKG_REMOVE = dnf.transaction.PKG_ERASE # :api
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#6 PKG_UPGRADE = dnf.transaction.PKG_UPGRADE # :api
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#7 PKG_UPGRADED = libdnf.transaction.TransactionItemAction_UPGRADED
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#101 PKG_CLEANUP = dnf.transaction.PKG_CLEANUP # :api
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#102 PKG_VERIFY = dnf.transaction.PKG_VERIFY # :api
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#103 PKG_SCRIPTLET = dnf.transaction.PKG_SCRIPTLET # :api
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def pre_transaction(self):
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self.report_yum_status('pretrans')
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# Prefetch filelist for packages to be removed,
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in_ts_items = []
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out_ts_items = []
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all_ts_items = []
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for ts_item in self.base.transaction:
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if ts_item.action in dnf.transaction.FORWARD_ACTIONS:
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in_ts_items.append(ts_item)
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elif ts_item.action in dnf.transaction.BACKWARD_ACTIONS:
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out_ts_items.append(ts_item)
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else:
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# The action is not rpm change. It can be a reason change, therefore we can skip that item
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continue
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all_ts_items.append(ts_item)
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allpkgs = all_ts_items # [tsi.pkg for tsi in all_ts_items]
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# also to see dnf.db.group.RPMTransaction.install_set
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installs = in_ts_items #[tsi.pkg for tsi in in_ts_items]
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installs_dict = {}
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for item in installs:
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nam = item.name
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installs_dict[nam] = item
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# one liner new_dict = {item['name']:item for item in data}
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# also to see dnf.db.group.RPMTransaction.remove_set
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removes = out_ts_items #[tsi.pkg for tsi in out_ts_items]
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self.log('## allpkgs: ' + str([ str(tsi.pkg) for tsi in allpkgs]))
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self.log('## installs: ' +str([ str(tsi.pkg) for tsi in installs]))
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self.log('## Removes: ' + str([ str(tsi.pkg) for tsi in removes]))
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##allpkgs: ['smeserver-tinydns-11.0.0-4.el8.sme.noarch', 'smeserver-tinydns-11.0.0-3.el8.sme.noarch']
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## install: ['smeserver-tinydns-11.0.0-4.el8.sme.noarch']
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## Remove: ['smeserver-tinydns-11.0.0-3.el8.sme.noarch']
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# list of all instaled rpm
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base = dnf.Base()
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base.fill_sack()
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q = base.sack.query()
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rpmdb = q.installed()
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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= str(tsmem.name)
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# if the pkg.name is present on both IN and OUT, then we assume update/downgrade and continue to transaction
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if n in installs_dict :
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#self.log('updating ==> state ' + str(tsmem.pkg) + " to " + str(installs_dict[n].pkg) )
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continue
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self.log('**Package: ' + str(tsmem.pkg) + ' to be removed')
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smeevent = n + '-update'
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#check if /etc/e-smith/events/$smeevent exist, if yes add it to todo list
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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[n] = smeevent
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# if templates to expand, add them
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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 mytmptemplate not in templateslist :
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templateslist[mytmptemplate]=mytmptemplate
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self.log(" template " + mytmptemplate)
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# we add the actions scripts
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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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self.log(" link " + f + ": " + mytmpaction)
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actionlist[f]=mytmpaction
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# if there are services to handle we had them
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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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self.log(" service link " + f + ": " + (os.readlink(tmppathsrv + f)))
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mytmpserv = os.readlink(tmppathsrv + f)
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# we had the service with its action, except if we need to force a restart
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# TODO as we have only pkgs to remove here, shouldn't we just stop the service NOW?
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if f not in serviceslist :
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serviceslist[f]=mytmpserv
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else:
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if mytmpserv == "restart":
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self.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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else:
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# if we are here this is a smeserver pkg without an update event, needs reboot...
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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.installed) + " " + str(tsmem.pkg)
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self.log("smechange set to True because of " + n + " without an update event " + str(tsmem.installed) + " " + str(tsmem.pkg) )
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#end of if smeserver-*-update event exist
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# do we need this for removal ?
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if "/etc/e-smith/web/panels/manager/cgi-bin" in tsmem.files :
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self.log(" ==> pannel detected : adding navigation-conf")
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actionlist['S80navigation-conf']="/etc/e-smith/events/actions/navigation-conf"
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#end of for list of packages
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#only for debug
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self.log('## smechange: '+str(smechange))
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self.log('## eventlist: '+ str(eventlist))
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self.log('## templateslist: '+str(templateslist.keys()))
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self.log('## serviceslist: '+str(serviceslist.items()))
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self.log('## actions ALL: ' + str(actionlist.keys()))
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self.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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self.createevent()
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print(" Adding services to adjust")
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for kservices in serviceslist:
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self.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 transaction(self):
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self.report_yum_status('transaction')
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#ts = self.getTsInfo()
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#rpmdb = self.getRpmDB()
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# Prefetch filelist for packages to be removed,
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in_ts_items = []
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out_ts_items = []
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all_ts_items = []
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for ts_item in self.base.transaction:
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if ts_item.action in dnf.transaction.FORWARD_ACTIONS:
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in_ts_items.append(ts_item)
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elif ts_item.action in dnf.transaction.BACKWARD_ACTIONS:
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out_ts_items.append(ts_item)
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else:
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# The action is not rpm change. It can be a reason change, therefore we can skip that item
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continue
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all_ts_items.append(ts_item)
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allpkgs = all_ts_items # [tsi.pkg for tsi in all_ts_items]
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# also to see dnf.db.group.RPMTransaction.install_set
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installs = in_ts_items #[tsi.pkg for tsi in in_ts_items]
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installs_dict = {}
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for item in installs:
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nam = item.name
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installs_dict[nam] = item
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# one liner new_dict = {item['name']:item for item in data}
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# also to see dnf.db.group.RPMTransaction.remove_set
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removes = out_ts_items #[tsi.pkg for tsi in out_ts_items]
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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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global ourfile
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for tsmem in installs:
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# n: name ; a : arch; e: epoch ; v: version, r: release
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n = tsmem.name
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a = tsmem.arch
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e = tsmem.epoch
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v = tsmem.version
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r = tsmem.release
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# if 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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self.log('**Package: ' + n + ' 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(n) + "-" + str(v) + "-" + str(r)
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self.log("smechange set to True because of " + n + " with " + str(v) + "-" + str(r) )
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#self.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 name not in serviceslist :
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serviceslist[name] = 'restart'
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else:
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if pkg not in serviceslist :
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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 = n + '-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[n] = 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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#self.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
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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 mytmptemplate not in templateslist :
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templateslist[mytmptemplate]=mytmptemplate
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self.log(" template " + mytmptemplate)
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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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self.log(" service link " + f + ": " + (os.readlink(tmppathsrv + f)))
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mytmpserv = os.readlink(tmppathsrv + f)
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if f not in serviceslist :
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serviceslist[f]=mytmpserv
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else:
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if mytmpserv == "restart":
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#only for debug
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self.log("overriding all signals, forcing restart " + f)
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serviceslist[f]="restart"
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else:
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if (n.startswith('smeserver') or n.startswith('e-smith')) and not n.startswith('smeserver-locale') and not (n in removenorebootok):
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smechange = True
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smechangelist[n]=str(tsmem.name) + "-" + str(tsmem.version) + "-" + str(tsmem.release)
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self.log("smechange set to True because of " + n )
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# as long as it is a sme pkg we need to rebuild panel
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if "/etc/e-smith/web/panels/manager/cgi-bin" in tsmem.files :
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self.log(" ==> pannel detected : adding navigation-conf")
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actionlist['S80navigation-conf']="/etc/e-smith/events/actions/navigation-conf"
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# end of for installed list
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#only for debug
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self.log('## smechange: '+str(smechange))
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self.log('## eventlist: '+ str(eventlist))
|
|
self.log('## templateslist: '+str(templateslist.keys()))
|
|
self.log('## serviceslist: '+str(serviceslist.items()))
|
|
self.log('## actions ALL: ' + str(actionlist.keys()))
|
|
self.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 'S88systemd-default' not in actionlist :
|
|
actionlist['S88systemd-default'] = '/etc/e-smith/events/actions/systemd-default'
|
|
if 'S89systemd-reload' not in actionlist :
|
|
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]
|
|
self.log("removing duplicate action " + key + " iter " + str(iter))
|
|
|
|
self.report_yum_status('transaction')
|
|
self.log("smeserver.py: transaction")
|
|
|
|
# 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...")
|
|
self.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]):
|
|
self.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):
|
|
self.log(" " + ktemplates)
|
|
self.addtemplate2expand(ktemplates)
|
|
|
|
if len(serviceslist)>0:
|
|
print(" Adding services to adjust")
|
|
for kservices in serviceslist:
|
|
self.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 dnf db for server-manager")
|
|
os.spawnl(os.P_WAIT, systemctl, systemctl, 'restart', 'dnf')
|
|
|
|
#no more close hook
|
|
#def close_hook(conduit):
|
|
if ourfile and os.path.isfile(status_file):
|
|
os.unlink(status_file)
|
|
|
|
if smechange:
|
|
print("\nThe following updates require a server reboot:\n" + str(smechangelist.keys()))
|
|
print("\n==============================================================\n")
|
|
print("WARNING: You now need to run BOTH of the following commands")
|
|
print("to ensure consistent system state:")
|
|
print("signal-event post-upgrade; signal-event reboot")
|
|
print("You should run these commands unless you are certain that")
|
|
print("dnf made no changes to your system.\n")
|
|
print("==============================================================")
|
|
|