#! /usr/bin/perl
# -----------------------------------------------------------------------------
# Copyright (c) 2006, 2007 - OpenSLX GmbH
#
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your suggestions, praise, or complaints to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org/
# -----------------------------------------------------------------------------
# slxsettings
# - OpenSLX-script to show & change local settings
# -----------------------------------------------------------------------------
use strict;
my $abstract = q[
slxsettings
This script can be used to show or change the local settings for OpenSLX.
Any cmdline-argument passed to this script will change the local OpenSLX
settings file (usually /etc/opt/openslx/settings).
If you invoke the script without any arguments, it will print the current
settings and exit.
Please use the --man option in order to read the full manual.
];
use Getopt::Long qw(:config pass_through);
use Pod::Usage;
# add the lib-folder and the folder this script lives in to perl's search
# path for modules:
use FindBin;
use lib "$FindBin::RealBin/../lib";
use lib "$FindBin::RealBin";
# development path to config-db stuff
use OpenSLX::Basics;
use OpenSLX::Utils;
my ($quiet, @reset, $helpReq, $manReq, $versionReq,);
GetOptions(
'quiet' => \$quiet,
# will avoid printing anything
'reset=s' => \@reset,
# resets given option to its default
'help|?' => \$helpReq,
'man' => \$manReq,
'version' => \$versionReq,
);
pod2usage(-msg => $abstract, -verbose => 0, -exitval => 1) if $helpReq;
pod2usage(-verbose => 2) if $manReq;
if ($versionReq) {
system('slxversion');
exit 1;
}
openslxInit() or pod2usage(2);
my %givenSettings = %cmdlineConfig;
# if there are still arguments in the cmdline left, it must be extended
# settings:
while (scalar @ARGV) {
my $extSetting = shift;
if ($extSetting !~ m[^([-\w]+)=(.+)$]) {
die _tr(
"extended setting '%s' has unknown format, expected '<key>=<value>!'",
$extSetting
);
}
$givenSettings{$1} = $2;
}
# fetch current content of local settings file...
my $settings = slurpFile("$openslxConfig{'config-path'}/settings");
my %changed;
# ...set new values...
foreach my $key (keys %givenSettings) {
my $value = $givenSettings{$key};
next if !defined $value;
vlog(0, _tr("setting %s to '%s'", $key, $value)) unless $quiet;
my $externalKey = externalKeyFor($key);
if (!($settings =~ s[^\s*$externalKey=.*?$][$externalKey=$value]ms)) {
$settings .= "$externalKey=$value\n";
}
$changed{$key}++;
}
# reset specified keys to fall back to default:
foreach my $key (@reset) {
my $externalKey = externalKeyFor($key);
if ($settings =~ s[^\s*?$externalKey=.*?\n][]ms) {
vlog(0,
_tr("removing option '%s' from local settings", $key))
unless $quiet;
} else {
vlog(0,
_tr("option '%s' didn't exist in local settings!", $key))
unless $quiet;
}
$changed{$key}++;
}
# ... and write local settings file if necessary
if (keys %changed) {
my $f = "$openslxConfig{'config-path'}/settings";
open(SETTINGS, "> $f")
or die _tr("Unable to write local settings file '%s' (%s)", $f, $!);
print SETTINGS $settings;
close(SETTINGS);
openslxInit();
foreach my $key (keys %changed) {
changedHandler($key, $openslxConfig{$key});
}
}
if (!keys %changed) {
print _tr("paths fixed at installation time:\n");
print qq[\t--base-path='$openslxConfig{'base-path'}'\n];
print qq[\t--config-path='$openslxConfig{'config-path'}'\n];
my $text =
keys %changed
? "resulting base settings (cmdline options):\n"
: "current base settings (cmdline options):\n";
print $text;
my @baseSettings = grep { exists $cmdlineConfig{$_} } keys %openslxConfig;
foreach my $key (sort @baseSettings) {
print qq[\t--$key='$openslxConfig{$key}'\n];
}
print _tr("extended settings:\n");
my @extSettings = grep { !exists $cmdlineConfig{$_} } keys %openslxConfig;
foreach my $key (sort @extSettings) {
next if $key =~ m[^(base-path|config-path)$];
print qq[\t$key='$openslxConfig{$key}'\n];
}
}
sub externalKeyFor
{
my $key = shift;
$key =~ tr[-][_];
return "SLX_" . uc($key);
}
sub changedHandler
{
my $key = shift;
my $value = shift;
# invoke a key-specific change handler if it exists:
$key =~ tr[-][_];
eval { no strict 'refs'; "${key}_changed_handler"->(); };
}
sub private_path_changed_handler
{
# create the default config folders (for default system only):
require OpenSLX::ConfigFolder;
OpenSLX::ConfigFolder::createConfigFolderForDefaultSystem();
}
=head1 NAME
slxsettings - OpenSLX-script to show & change local settings
=head1 SYNOPSIS
slxsettings [options] [action ...]
=head3 Script Options
--reset=<string> resets the given option to its default
=head3 OpenSLX Options
--db-name=<string> name of database
--db-spec=<string> full DBI-specification of database
--db-type=<string> type of database to connect to
--locale=<string> locale to use for translations
--logfile=<string> file to write logging output to
--private-path=<string> path to private data
--public-path=<string> path to public (client-accesible) data
--temp-path=<string> path to temporary data
--verbose-level=<int> level of logging verbosity (0-3)
=head3 General Options
--help brief help message
--man full documentation
--quiet do not print anything
--version show version
=head3 Actions
=over 8
=item B<< --<openslx-option>=<value> >>
sets the specified openslx-option to the given value
=item B<< <extended-setting>=<value> >>
sets the specified extended setting to the given value
=item B<< --reset=<setting> [--reset=...] >>
removes the given setting from the local settings (resets it to its default
value)
=back
=head1 DESCRIPTION
B<slxsettings> can be used to show or change the local settings for OpenSLX.
Any cmdline-argument passed to this script will change the local OpenSLX
settings file (usually /etc/opt/openslx/settings).
If you invoke the script without any arguments, it will print the current
settings and exit.
=head1 OPTIONS
=head3 OpenSLX Options
=over 8
=item B<< --db-name=<string> >>
Gives the name of the database to connect to.
Default is $SLX_DB_NAME (usually C<openslx>).
=item B<< --db-spec=<string> >>
Gives the full DBI-specification of database to connect to. Content depends
on the db-type.
Default is $SLX_DB_SPEC (usually empty as it will be built automatically).
=item B<< --db-type=<string> >>
Sets the type of database to connect to (CSV, SQLite, mysql, ...).
Default $SLX_DB_TYPE (usually C<CSV>).
=item B<< --locale=<string> >>
Sets the locale to use for translations.
Defaults to the system's standard locale.
=item B<< --logfile=<string> >>
Specifies a file where logging output will be written to.
Default is to log to STDERR.
=item B<< --private-path=<string> >>
Sets path to private data, where the config-db, vendor_oses and configurational
extensions will be stored.
Default is $SLX_PRIVATE_PATH (usually F</var/opt/openslx>.
=item B<< --public-path=<string> >>
Sets path to public (client-accesible) data.
Default is $SLX_PUBLIC_PATH (usually F</srv/openslx>.
=item B<< --temp-path=<string> >>
Sets path to temporary data.
Default is $SLX_TEMP_PATH (usually F</tmp>.
=item B<< --verbose-level=<int> >>
Sets the level of logging verbosity (0-3).
Prints additional output for debugging. N is a number between 0 and 3. Level
1 provides more information than the default, while 2 provides traces. With
level 3 you get extreme debug output, e.g. database commands are printed.
Default is $SLX_VERBOSE_LEVEL (usually 0, no logging).
=back
=head3 General Options
=over 8
=item B< --help>
Prints a brief help message and exits.
=item B< --man>
Prints the manual page and exits.
=item B< --quiet>
Runs the script without printing anything.
=item B< --version>
Prints the version and exits.
=back
=head1 SEE ALSO
slxos-setup, slxos-export, slxconfig, slxconfig-demuxer
=cut
