Jean-Philippe Pialasse
8e4fd3be1e
- fix 3 regressions from SME10 [SME: 12654] fix www missing from shared and few groups [SME: 12146] fix group deletion leaves mail spool file [SME: 12431] fix path to /etc/systemd for seeking service files [SME: 12421]
231 lines
9.1 KiB
Perl
231 lines
9.1 KiB
Perl
#!/usr/bin/perl -w
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use strict;
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use Errno;
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use esmith::ConfigDB;
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use File::Temp;
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use esmith::templates;
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use File::Basename;
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use Cwd 'abs_path';
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my $conf = esmith::ConfigDB->open_ro;
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my $event = $ARGV [0];
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my $second = $ARGV [1];
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my @servicedirpaths = ("/usr/lib/systemd/system/","/etc/systemd/system/");
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my @presetdirpaths = ("/usr/lib/systemd/system-preset/","/etc/systemd/system-preset/");
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my $filename = "/etc/systemd/system-preset/49-koozali.preset";
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my $filename2 = "/usr/lib/systemd/system/sme-server.target.d/50koozali.conf";
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my %services;
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my %files;
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my @WantedBy;my %wantedBy;
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# expand preset file
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esmith::templates::processTemplate({
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MORE_DATA => { },
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TEMPLATE_PATH => $filename,
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OUTPUT_FILENAME => $filename,
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});
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# expand content of sme-server.target.d
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esmith::templates::processTemplate({
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MORE_DATA => { },
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TEMPLATE_PATH => $filename2,
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OUTPUT_FILENAME => $filename2,
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});
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# make sure our target is enabled
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system("/usr/bin/systemctl enable sme-server.target 2>/dev/null");
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# force the main default target in /usr/lib
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#ln -fs sme-server.target /lib/systemd/system/default.target
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my $old_qfn = "sme-server.target";
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my $new_qfn = "/lib/systemd/system/default.target";
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if (!symlink($old_qfn, $new_qfn)) {
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if ($!{EEXIST}) {
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unlink($new_qfn)
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or die("Can't remove \"$new_qfn\": $!\n");
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symlink($old_qfn, $new_qfn)
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or die("Can't create symlink \"$new_qfn\": $!\n");
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} else {
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die("Can't create symlink \"$new_qfn\": $!\n");
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}
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}
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# we let the dedicated systemd command tryin to do what we will do later in this script
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# as up to systemd 236 it is bugged see:
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# https://github.com/systemd/systemd/pull/7158 and https://github.com/systemd/systemd/pull/7289
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system("/usr/bin/systemctl preset-all");
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# in case preset-all messed up with our default target
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system("/usr/bin/systemctl set-default sme-server.target");
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# list both preset directories
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# seek files to be removed from usr/lib if same basename exist
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foreach my $d (@presetdirpaths) {
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opendir my $dir, "$d" or die "Cannot open directory: $!";
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my @dirfiles = readdir $dir;
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closedir $dir;
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foreach my $fi (@dirfiles) {
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next unless ($fi =~ /.preset$/);
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$files{$fi}="$d$fi"
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}
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}
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# list wanted services in the sme-server.target
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#Wants=acpid.service atd.service auditd.service avahi-daemon.service brandbot.path crond.service irqbalance.service nfs-client.target remote-fs.target rhel-configure.service rsyslog.service smartd.service yum-cron.service
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my $smewants = `grep -P '^Wants=' /usr/lib/systemd/system/sme-server.target -rs`;
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chomp $smewants;
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my @smematches = ( $smewants =~ /([a-zA-Z0-9\-_]+\.service)/g );
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my %smewants = map { $_ => 1 } @smematches;
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# parse all files on reverse order : lower number take precedence
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# we ignore joker lines *
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# we ignore @ lines
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# we ignore multiple in one line
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# our default at the end is to disable if not listed
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foreach my $filen (reverse sort keys %files) {
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#print "==============> $filen : ".$files{$filen} ."\n";
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# parsing $filename content
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# should end with hash with 2 possible value : enable and disable
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# ignore lines starting with # or empty character
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open(FILE, '<', $files{$filen}) or die $!;
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while (<FILE>) {
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chomp; # remove newlines
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next if (/^\s+$/);
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next if (/^#/);
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s/^\s+//; # remove leading whitespace
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s/\s+$//; # remove trailing whitespace
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next unless length; # next rec unless anything left
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# print $_ ."\n";
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next unless (/^(enable|disable)\s+([a-zA-Z0-9\-_.@]+\.service)/);
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my $service=$2;
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my $stats=$1;
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# print $_ ."\n";
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#ignore service that does not exists !
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my $multiple = $service;
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($multiple = $service ) =~ s/([a-zA-Z0-9\-_.]+@)(.*)/$1.service/ if ( $service =~ /@/ );
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#print "$stats $service $multiple\n";
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next unless ( -e "/usr/lib/systemd/system/$service" or -e "/etc/systemd/system/$service" or -e "/usr/lib/systemd/system/$multiple");
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# eliminate duplicates, this way we keep only the last entry of the lowest file as we do it in reverse order of file,
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# but from top to bottom of file.
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$services{$service}=$stats;
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# list all Services explicitely listed in preset that are also in Wants= or with WantedBy= sme-server.target
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next if ( exists($wantedBy{$service}));
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if (exists($smewants{$service}) ) {
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$wantedBy{$service}=1;
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#print "want $service \n";
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}
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else {
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my $wanted = `grep -P '^WantedBy=.*sme-server.target' /usr/lib/systemd/system/$service* /etc/systemd/system/$service* -rsh` ;
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chomp $wanted;
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$wantedBy{$service}=1 unless ( $wanted eq "");
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#print "want $service \n" unless ( $wanted eq "") ;
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}
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}
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}
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# then check content of /etc/systemd/system/sme-server.target.wants/
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# remove what is not in enable
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my $d = "/etc/systemd/system/sme-server.target.wants/";
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opendir my $dir, "$d" or die "Cannot open directory: $!";
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my @dirfiles = readdir $dir;
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closedir $dir;
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foreach my $fi (@dirfiles) {
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# we ignore . and ..
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next if $fi =~ /\.+$/;
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# for the moment we only consider service files and ignore target, mount, device, socket...
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next unless ($fi =~ /.service$/);
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# remove if file but not a link
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unless ( -l "$d$fi") {
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print "remove $d$fi : not a link\n";
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unlink "$d$fi";
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next;
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}
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# remove if also un /usr/lib .. not as preset-all does not care
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#if ( -l "/usr/lib/systemd/system/sme-server.target.wants/$fi") {
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# print "remove $d$fi : also in /usr/lib/systemd/system/sme-server.target.wants/\n";
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# unlink "$d$fi";
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# next;
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#}
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# remove if link is not to an existing file # we should also check if pointing to an authorized path!
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my $multiple = $fi;
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($multiple = $fi ) =~ s/([a-zA-Z0-9\-_.]+@)(.*)/$1.service/ if ( $fi =~ /@/ );
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my $absFilePath = abs_path("$d$fi") ;
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if ( ! -f "$absFilePath" or ( ! -f "/etc/systemd/system/$fi" and ! -f "/usr/lib/systemd/system/$fi" and ! -f "/usr/lib/systemd/system/$multiple") ) {
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print "remove $d$fi target '$absFilePath' does not exist or is not regular file in expected path\n";
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unlink "$d$fi";
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next;
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}
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# is not enable in preset : remove
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#print "==$fi \n";
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if ( ! defined $services{$fi} or $services{$fi} ne "enable") {
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print "remove $d$fi as not enabled in preset\n";
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unlink "$d$fi";
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next;
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}
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# if not wanted remove
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unless ( exists($wantedBy{$fi})){
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print "remove $d$fi as not declared as WantedBy or in Wants for sme-server.target\n";
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unlink "$d$fi";
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}
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}
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# and we add wanted enabled services
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# we only do it for sme-server.target, ignoring the remaining of WantedBy
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foreach my $service (sort keys %services) {
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my $wanted= "not";
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$wanted = "want" if ( exists($wantedBy{$service}));#( /^$service$/ ~~ @WantedBy );
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my $status = $services{$service};
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my $linkedU = ( -e "/usr/lib/systemd/system/sme-server.target.wants/$service" ) ? "linked" : "not";
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my $linkedE = ( -e "/etc/systemd/system/sme-server.target.wants/$service" ) ? "linked" : "not";
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my $linkedD = ( -e "/etc/systemd/system/default.target.wants/$service" or -e "/usr/lib/systemd/system/default.target.wants/$service" ) ? "linked" : "not";
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## adding link if needed in /etc/systemd/system/sme-server.target.wants
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## readd event if present in usr/lib as preste-all does not care about that.
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if ( $status eq "enable" and $linkedE eq "not" and $linkedD eq "not" and $wanted eq "want" and ( $service !~ /\@\.service$/ ) ){
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#print "systemctl add-wants sme-server.target $service\n";
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`/usr/bin/systemctl add-wants sme-server.target $service `;
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}
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}
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# do something about /usr/lib/systemd/system/sme-server.target.wants/
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# we check for rpm owned and not rpm owned
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# we only inform there, we do not do anything else
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$d = "/usr/lib/systemd/system/sme-server.target.wants/";
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opendir $dir, "$d" or die "Cannot open directory: $!";
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@dirfiles = readdir $dir;
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closedir $dir;
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foreach my $fi (@dirfiles) {
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# we ignore . and ..
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next if $fi =~ /\.+$/;
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# for the moment we only consider service files and ignore target, mount, device, socket...
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next unless ($fi =~ /.service$/);
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# remove if file but not a link
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print "$d$fi is not a link\n" unless ( -l "$d$fi");
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# remove if link is not to an existing file
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my $absFilePath = abs_path("$d$fi") ;
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print "$d$fi target '$absFilePath' does not exist or is not regular file\n" unless ( -f "$absFilePath");
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# check if owned by rpm
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my $rpmowned = `rpm -qf $d$fi`;
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chomp $rpmowned;
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if ($rpmowned ne "" ) {
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#print "$d$fi is owned by $rpmowned\n";
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#next;
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} else {
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print "$d$fi has been manually added\n";
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}
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if ( ! defined $services{$fi} or $services{$fi} ne "enable") {
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print "$d$fi is not enabled in preset\n";
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}
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# if not wanted remove
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# need to check its own files also here
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my $service = $fi;
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my $wanted = `grep -P '^WantedBy=.*sme-server.target' /usr/lib/systemd/system/$service* /etc/systemd/system/$service* -rsh` ;
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chomp $wanted;
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unless ( exists($wantedBy{$fi})) {
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print "$d$fi is not declared as WantedBy or in Wants for sme-server.target\n";
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}
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}
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