version 1.8, 2008/01/12 21:15:00
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version 1.9, 2009/07/14 03:05:59
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Line 36 B<modify_config_files.pl>
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Line 36 B<modify_config_files.pl>
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=head1 SYNOPSIS |
=head1 SYNOPSIS |
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This script modifies /etc/yum.conf and /etc/my.cnf. |
This script modifies /etc/my.cnf and one of: /etc/yum.conf |
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(for Fedora/CentOS/Scientific Linux/RHEL5), /etc/apt/sources.list |
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(for Debian/Ubuntu) and /etc/sysconfig/rhn/sources (for RHEL4). |
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=head1 DESCRIPTION |
=head1 DESCRIPTION |
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This script modifies /etc/yum.conf and /etc/my.cnf to ensure certain parameters |
This script modifies /etc/my.cnf and /etc/yum.conf or /etc/apt/sources |
are set properly. The LON-CAPA yum repositories are added to /etc/yum.conf. |
or /etc/sysconfig/rhn/sources to ensure certain parameters are set |
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properly. The LON-CAPA yum repositories are added to /etc/yum.conf or |
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/etc/sysconfig/rhn/sources and the LON-CAPA apt repositories are added to |
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/etc/apt/sources.list. |
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The /etc/my.cnf file is modified to set the wait_timeout to 1 year. Backup |
The /etc/my.cnf file is modified to set the wait_timeout to 1 year. Backup |
copies of each file are made in /etc. |
copies of each file are made in /etc, /etc/apt, and /etc/sysconfig/rhn, as |
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appropriate. |
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=cut |
=cut |
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Line 59 chomp($dist);
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Line 66 chomp($dist);
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close(DSH); |
close(DSH); |
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my $yum_status; |
my $yum_status; |
if ($dist =~ /^fedora\d+$/) { |
my $loninst = 'http://install.loncapa.org'; |
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my $loninst_re = 'http://install\.loncapa\.org'; |
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if ($dist =~ /^fedora(\d+)$/) { |
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my $ver = $1; |
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my $gpgchk = 0; |
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my $gpg = "$loninst/versions/fedora/RPM-GPG-KEY-loncapa"; |
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if ($ver > 6) { |
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$gpgchk = 1; |
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} |
$yum_status = |
$yum_status = |
&update_file('/etc/yum.conf', |
&update_file('/etc/yum.conf', |
[{section => 'loncapa-updates-$basearch', |
[{section => 'loncapa-updates-$basearch', |
Line 67 if ($dist =~ /^fedora\d+$/) {
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Line 82 if ($dist =~ /^fedora\d+$/) {
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value => 'Fedora Core $releasever LON-CAPA $basearch Updates', |
value => 'Fedora Core $releasever LON-CAPA $basearch Updates', |
}, {section => 'loncapa-updates-$basearch', |
}, {section => 'loncapa-updates-$basearch', |
key => 'baseurl=', |
key => 'baseurl=', |
value => 'http://install.loncapa.org/fedora/linux/loncapa/'. |
value => $loninst.'/fedora/linux/loncapa/$releasever/$basearch', |
'$releasever/$basearch', |
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}, {section => 'loncapa-updates-$basearch', |
}, {section => 'loncapa-updates-$basearch', |
key => 'gpgcheck=', |
key => 'gpgcheck=', |
value => '0', |
value => $gpgchk, |
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}, {section => 'loncapa-updates-$basearch', |
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key => 'gpg=', |
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value => $gpg, |
}, {section => 'loncapa-updates-noarch', |
}, {section => 'loncapa-updates-noarch', |
key => 'name=', |
key => 'name=', |
value => 'Fedora Core $releasever LON-CAPA noarch Updates', |
value => 'Fedora Core $releasever LON-CAPA noarch Updates', |
}, {section => 'loncapa-updates-noarch', |
}, {section => 'loncapa-updates-noarch', |
key => 'baseurl=', |
key => 'baseurl=', |
value => 'http://install.loncapa.org/fedora/linux/loncapa/'. |
value => $loninst.'/fedora/linux/loncapa/$releasever/noarch', |
'$releasever/noarch', |
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}, {section => 'loncapa-updates-noarch', |
}, {section => 'loncapa-updates-noarch', |
key => 'gpgcheck=', |
key => 'gpgcheck=', |
value => '0', |
value => $gpgchk, |
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}, {section => 'loncapa-updates-noarch', |
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key => 'gpg=', |
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value => $gpg, |
}]); |
}]); |
} elsif ($dist =~ /^rhes(\d+)$/) { |
} elsif ($dist =~ /^(rhes|centos|scientific)(\d+)$/) { |
if ($1 > 4) { |
my $type = $1; |
$yum_status = |
my $ver = $2; |
&update_file('/etc/yum.conf', |
my $longver = $ver; |
[{section => 'loncapa-updates-$basearch', |
if ($type eq 'rhes') { |
key => 'name=', |
if ($ver == 4) { |
value => 'RHEL $releasever LON-CAPA $basearch Updates', |
$longver = '4ES'; |
}, {section => 'loncapa-updates-$basearch', |
} elsif ($ver == 5) { |
key => 'baseurl=', |
$longver = '5Server'; |
value => 'http://install.loncapa.org/redhat/linux/enterprise/loncapa/'. |
} |
'$releasever/$basearch', |
} |
}, {section => 'loncapa-updates-$basearch', |
my %info = ( |
key => 'gpgcheck=', |
rhes => { |
value => '1', |
title => 'RHEL', |
}, {section => 'loncapa-updates-$basearch', |
path => 'redhat/linux/enterprise/loncapa', |
key => 'gpgkey=', |
gpg => 'versions/redhat/RPM-GPG-KEY-loncapa', |
value => 'http://install.loncapa.org/versions/redhat/'. |
gpgchk => 1, |
'RPM-GPG-KEY-loncapa', |
}, |
}, {section => 'loncapa-updates-noarch', |
centos => { |
key => 'name=', |
title => 'CentOS', |
value => 'RHEL $releasever LON-CAPA noarch Updates', |
path => 'centos/loncapa', |
}, {section => 'loncapa-updates-noarch', |
gpg => 'versions/centos/RPM-GPG-KEY-loncapa', |
key => 'baseurl=', |
gpgchk => 1, |
value => 'http://install.loncapa.org/redhat/linux/enterprise/loncapa/'. |
}, |
'$releasever/noarch', |
scientific => { |
}, {section => 'loncapa-updates-noarch', |
title => 'Scientific Linux', |
key => 'gpgcheck=', |
path => 'scientific/loncapa', |
value => '1', |
gpg => 'versions/scientific/RPM-GPG-KEY-loncapa', |
}, {section => 'loncapa-updates-noarch', |
gpgchk => 1, |
key => 'gpgkey=', |
}, |
value => 'http://install.loncapa.org/versions/redhat/'. |
); |
'RPM-GPG-KEY-loncapa', |
if (ref($info{$type}) eq 'HASH') { |
}]); |
if ($ver > 4) { |
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$yum_status = |
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&update_file('/etc/yum.conf', |
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[{section => 'loncapa-updates-basearch', |
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key => 'name=', |
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value => $info{$type}{title}.' $releasever LON-CAPA $basearch Updates', |
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}, {section => "loncapa-updates-basearch", |
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key => 'baseurl=', |
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value => "$loninst/$info{$type}{path}/".'$releasever/$basearch', |
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}, {section => 'loncapa-updates-basearch', |
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key => 'gpgcheck=', |
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value => $info{$type}{gpchk}, |
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}, {section => 'loncapa-updates-$basearch', |
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key => 'gpgkey=', |
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value => "$loninst/$info{$type}{gpg}", |
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}, {section => 'loncapa-updates-noarch', |
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key => 'name=', |
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value => $info{$type}{title}.' $releasever LON-CAPA noarch Updates', |
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}, {section => 'loncapa-updates-noarch', |
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key => 'baseurl=', |
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value => "$loninst/$info{$type}{path}/".'$releasever/noarch', |
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}, {section => 'loncapa-updates-noarch', |
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key => 'gpgcheck=', |
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value => $info{$type}{gpchk}, |
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}, {section => 'loncapa-updates-noarch', |
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key => 'gpgkey=', |
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value => "$loninst/$info{$type}{gpg}", |
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}]); |
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} elsif (($type eq 'rhes') && ($ver == 4)) { |
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my %rhn = ( |
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basearch => { |
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regexp => '\s*yum\s+loncapa\-updates\-basearch\s+'.$loninst_re.'/'.$info{$type}{path}.'/'.$longver.'/\$ARCH', |
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text => "yum loncapa-updates-basearch $loninst/$info{$type}{path}/$longver/".'$ARCH', |
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}, |
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noarch => { |
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regexp => '\s*yum\s+loncapa\-updates\-noarch\s+'.$loninst_re.'/'.$info{$type}{path}.'/'.$longver.'/noarch', |
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text => "yum loncapa-updates-noarch $loninst/$info{$type}{path}/$longver/noarch", |
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}, |
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); |
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$yum_status = &update_rhn_source(\%rhn); |
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} |
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} |
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} elsif ($dist =~ /^(debian|ubuntu)\d+$/) { |
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my %apt_get_source = ( |
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debian5 => { |
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regexp => '\s*deb\s+'.$loninst_re.'/debian/\s+lenny\s+main', |
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text => "deb $loninst/debian/ lenny main", |
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}, |
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ubuntu6 => { |
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regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/\s+dapper\s+main', |
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text => "deb $loninst/ubuntu/ dapper main", |
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}, |
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ubuntu8 => { |
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regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/\s+hardy\s+main', |
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text => "deb $loninst/ubuntu/ hardy main", |
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}, |
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); |
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my $apt_status; |
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if (defined($apt_get_source{$dist})) { |
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$apt_status = &update_apt_source($apt_get_source{$dist},); |
} |
} |
} |
} |
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Line 146 if ($mysql_global_status) { $exitvalue =
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Line 224 if ($mysql_global_status) { $exitvalue =
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exit $exitvalue; |
exit $exitvalue; |
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################################################################# |
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################################################################# |
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=pod |
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=over 4 |
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=cut |
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################################################################# |
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################################################################# |
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sub update_file { |
sub update_file { |
my ($file,$newdata) = @_; |
my ($file,$newdata) = @_; |
return 1 if (! -e $file); |
return 1 if (! -e $file); |
Line 188 sub update_file {
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Line 254 sub update_file {
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=pod |
=pod |
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=item &parse_config_file |
=over 4 |
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=item &parse_config_file() |
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Read a configuration file in and parse it into an internal data structure. |
Read a configuration file in and parse it into an internal data structure. |
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Line 196 Input: filename
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Line 264 Input: filename
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Output: array ref $filedata OR scalar error message |
Output: array ref $filedata OR scalar error message |
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=back |
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=cut |
=cut |
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################################################################# |
################################################################# |
Line 234 sub parse_config_file {
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Line 304 sub parse_config_file {
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=pod |
=pod |
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=over 4 |
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=item |
=item |
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Write a configuration file out based on the internal data structure returned |
Write a configuration file out based on the internal data structure returned |
Line 243 Inputs: filename, $filedata (the return
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Line 315 Inputs: filename, $filedata (the return
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Returns: undef on success, scalar error message on failure. |
Returns: undef on success, scalar error message on failure. |
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=back |
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=cut |
=cut |
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################################################################# |
################################################################# |
Line 284 sub write_config_file {
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Line 358 sub write_config_file {
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=pod |
=pod |
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=item &modify_config_file |
=over 4 |
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=item &modify_config_file() |
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Modifies the internal data structure of a configuration file to include new |
Modifies the internal data structure of a configuration file to include new |
sections and/or new configuration directives. |
sections and/or new configuration directives. |
Line 298 $newvalue: The new value to be placed wi
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Line 374 $newvalue: The new value to be placed wi
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Returns: 0 or 1, indicating if the file was modified(1) or not(0). |
Returns: 0 or 1, indicating if the file was modified(1) or not(0). |
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=back |
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=cut |
=cut |
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Line 353 sub modify_config_file {
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Line 430 sub modify_config_file {
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return $modified; |
return $modified; |
} |
} |
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################################################################# |
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################################################################# |
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=pod |
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=over 4 |
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=item &update_rhn_source() |
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Modifies the Red Hat 4 sources file which includes repositories used by up2date |
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Inputs: |
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$rhn_items - a reference to hash of a hash containing the regular expression |
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to test for, and the text string to append to the file, if an entry for the |
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LON-CAPA RHEL repository is missing for two cases: |
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(a) basearch |
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(b) noarch |
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Returns: 0 or 1, indicating if the file was modified(1) or not(0). |
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=back |
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=cut |
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################################################################# |
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################################################################# |
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sub update_rhn_source { |
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my ($rhn_items) = @_; |
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return 0 if (ref($rhn_items) ne 'HASH'); |
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return 0 if ((ref($rhn_items->{basearch}) ne 'HASH') || (ref($rhn_items->{noarch}) ne 'HASH')); |
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my $file = '/etc/sysconfig/rhn/sources'; |
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return 0 if (! -e $file); |
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my $backup = $file.'.backup'; |
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if (! copy($file,$backup)) { |
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warn "**** Error: Unable to make backup of $file"; |
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return 0; |
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} |
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my $result = 0; |
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my $fh; |
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if (open($fh,"<$file")) { |
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my $total = 0; |
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my %found; |
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foreach my $item (keys(%{$rhn_items})) { |
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$found{$item} = 0; |
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} |
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while(<$fh>) { |
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foreach my $item (keys(%{$rhn_items})) { |
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if (ref($rhn_items->{$item}) eq 'HASH') { |
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my $pattern = $rhn_items->{$item}->{regexp}; |
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if ($pattern ne '') { |
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if (m{^$pattern}) { |
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$found{$item} = 1; |
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$total ++; |
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} |
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} |
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} |
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} |
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last if $total == 2; |
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} |
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close($fh); |
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if ($total < 2) { |
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if (open($fh,">>$file")) { |
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foreach my $item (keys(%{$rhn_items})) { |
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unless ($found{$item}) { |
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if (ref($rhn_items->{$item}) eq 'HASH') { |
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if ($rhn_items->{$item}->{text} ne '') { |
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print $fh "\n".$rhn_items->{$item}->{text}."\n"; |
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$result = 1; |
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} |
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} |
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} |
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} |
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close($fh); |
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} |
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} |
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} |
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return $result; |
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} |
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################################################################# |
################################################################# |
################################################################# |
################################################################# |
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=pod |
=pod |
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=over 4 |
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=item &update_apt_source() |
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Modifies the source.list file which includes repositories used by apt-get |
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Inputs: |
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$deb_row - a reference to containing the regular expression |
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to test for, and the text string to append to the file, if an entry for the |
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LON-CAPA Debian/ or Ubuntu repository is missing. |
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Returns: 0 or 1, indicating if the file was modified(1) or not(0). |
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=back |
=back |
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=cut |
=cut |
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################################################################# |
################################################################# |
################################################################# |
################################################################# |
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sub update_apt_source { |
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my ($deb_row) = @_; |
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return 0 if (ref($deb_row) ne 'HASH'); |
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return 0 if (($deb_row->{regexp} eq '') || ($deb_row->{text} eq '')); |
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my $file = '/etc/apt/sources.list'; |
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return 0 if (! -e $file); |
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my $backup = $file.'.backup'; |
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if (! copy($file,$backup)) { |
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warn "**** Error: Unable to make backup of $file"; |
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return 0; |
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} |
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my $result = 0; |
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my $fh; |
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if (open($fh,"<$file")) { |
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my $found = 0; |
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my $pattern = $deb_row->{regexp}; |
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while(<$fh>) { |
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if (m{^$pattern}) { |
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$found = 1; |
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last; |
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} |
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} |
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close($fh); |
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if (!$found) { |
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if (open($fh,">>$file")) { |
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print $fh "\n".$deb_row->{text}."\n"; |
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close($fh); |
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$result = 1; |
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} |
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} |
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} |
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return $result; |
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} |
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