/usr/sbin/ldap2fai is in goto-fai 3.1-1.2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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#
# Copyright (c) 2008 Landeshauptstadt München
# Copyright (c) 2008-2010 GONICUS GmbH
#
# Authors: Jan-Marek Glogowski
# Cajus Pollmeier
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
#
=head1 NAME
ldap2fai - read FAI config from LDAP and create config space.
=head1 SYNOPSIS
ldap2fai [-hnvW] [-c config] [-D bind_dn ] [-w bind password] [-d dump_dir] [-H hostname] <MAC>
=head1 OPTIONS
B<-h>, B<--help>
print out this help message
B<-v>, B<--verbose>
be verbose (multiple v's will increase verbosity)
B<-n>, B<--foreground>
dry run (includes verbose)
B<-c>
LDAP config file (default: /etc/ldap/ldap.conf)
B<-d>
output dir (default: /var/lib/fai/config)
B<-D>
bind dn
B<-W>
prompt for password
B<-w>
read password from command line
B<-H>
check hostname
=head1 DESCRIPTION
ldap2fai is a script to create read the fai config from LDAP and create fai config space.
=head1 BUGS
Please report any bugs, or post any suggestions, to the GOsa mailing list <gosa-devel@oss.gonicus.de> or to <https://oss.gonicus.de/labs/gosa>
=head1 LICENCE AND COPYRIGHT
This code is part of GOsa (L<http://www.gosa-project.org>)
COPYRIGHT
Copyright (c) 2008 Landeshauptstadt München
Copyright (c) 2008-2010 GONICUS GmbH
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
=cut
use strict;
use warnings;
use Net::LDAP;
use Net::LDAP::Util qw(:escape);
use Getopt::Long;
use File::Path;
use GOsa::Common qw(:ldap :misc);
use GOsa::FAI qw(:flags);
my $bind_dn;
my $bind_pwd;
my $prompt_pwd;
my $ldapuris;
my $ldap_conf = "/etc/ldap/ldap.conf";
my $dump_dir = "/var/lib/fai/config";
my $verbose = 0;
my $print_classes = 0;
my( $hostname, $host_base, $host_dn, $host_tag );
my $fai_mirror;
my $dry_run = 0;
my $release_var = 'FAIclientRelease';
my $check_hostname;
my $kernel;
Getopt::Long::Configure ("bundling");
GetOptions( 'v|verbose' => \$verbose,
'h|help' => \&usage,
'c|config=s' => \$ldap_conf,
'd|dump-dir=s' => \$dump_dir,
'D|bind-dn=s' => \$bind_dn,
'n|dry-run' => \$dry_run,
'W|prompt-pwd' => \$prompt_pwd,
'w|password=s' => \$bind_pwd,
'H|hostname=s' => \$check_hostname )
or usage( 'Wrong parameters' );
# If we use dry-run, be verbose
$verbose = 1 if( $dry_run );
# Get MAC from cmdline
my $mac = shift @ARGV;
$mac eq '' && usage( "MAC address not specified." );
usage( "No valid MAC address specified." )
if( ! ($mac =~ m/^([0-9a-f]{2}:){5}[0-9a-f]{2}/i) );
# Is dump_dir a directory
if( ! $dry_run ) {
-d "$dump_dir"
|| usage("'$dump_dir' is not a directory.\n");
}
# initialize ldap
my $init_results =
gosa_ldap_init( $ldap_conf, 0, $bind_dn, $prompt_pwd, $bind_pwd );
do_exit( 3, $init_results ) if( 'HASH' ne ref( $init_results ) );
my $ldap = $init_results->{ 'HANDLE' };
my $base = $init_results->{ 'BASE' };
# Get FAI object
my $faiobj = GOsa::FAI->new( 'LDAP' => $ldap,
'base' => $base,
'dumpdir' => $dump_dir );
# Set FAI flags
$faiobj->flags( FAI_FLAG_VERBOSE ) if( $verbose );
$faiobj->flags( FAI_FLAG_VERBOSE | FAI_FLAG_DRY_RUN ) if( $dry_run );
my $class_str = get_classes( $mac );
print( " + FAIclass string: $class_str\n" ) if( $verbose );
my ($res_classlist, $release) = $faiobj->resolve_classlist( $class_str );
if( 'ARRAY' eq ref( $res_classlist ) ) {
if( $verbose ) {
print( " + Release: $release\n" );
print( " + Resolved classlist: " . join( ' ', @$res_classlist ) . "\n" );
}
}
else { do_exit( 8, $res_classlist ); }
if( ! $dry_run ) {
create_dir( "$dump_dir/class" );
open (FAICLASS,">$dump_dir/class/${hostname}")
|| do_exit( 4, "Can't create $dump_dir/class/${hostname}. $!\n" );
print( FAICLASS join( ' ', @$res_classlist ) );
close( FAICLASS );
}
$res_classlist = $faiobj->expand_fai_classlist( $res_classlist, $hostname );
if( 'ARRAY' eq ref( $res_classlist ) ) {
print( " + FAI classlist: " . join( ' ', @$res_classlist ) . "\n" )
if( $verbose );
}
print( "Extending FAI classtree with real objects...\n" );
$faiobj->extend_class_cache( $release );
print( "Dumping config space to '$dump_dir'...\n" );
my( $sections, $error ) = $faiobj->dump_release( $release, $res_classlist, $hostname );
print $error . "\n" if( defined $error );
if( defined ${hostname} ) {
if( open( HOSTVARS, ">> ${dump_dir}/class/${hostname}.var" ) ) {
print( HOSTVARS "FAIclientRelease='$release'\n" );
print( HOSTVARS "MAXPACKAGES=20000\n" );
print( HOSTVARS "printk=0\n" );
print( HOSTVARS "STOP_ON_ERROR=700\n" );
close( HOSTVARS );
}
}
generate_sources_list( $sections );
generate_kernel_packagelist( $kernel );
$ldap->unbind(); # take down session
$ldap->disconnect();
exit 0;
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
sub usage
{
(@_) && print STDERR "\n@_\n\n";
print STDERR << "EOF";
usage: $0 [-hnvW] [-c config] [-D bind_dn ] [-w bind password] [-d dump_dir] [-H hostname] <MAC>
-h : this (help) message
-n : dry run (includes verbose)
-v : be verbose
-c : LDAP config file (default: ${ldap_conf})
-d : dump dir (default: ${dump_dir})
-D : bind dn
-W : prompt for password
-w : read password from command line
-H <name> : check hostname
EOF
exit -1;
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
sub do_exit {
my ($code,$msg) = @_;
my @exit_msg = (
0, # Ok
0, # Usage
0, # LDAP error
0, # No entries found
0, # Create file
0, # Mkdir (5)
0, # LDAP lookup
0, # FAI object
"No releases found in classlist. Releases are classes starting with ':'.",
"Multiple releases found! Fix your classes or profiles.\n",
0, # Hostname mismatch (10)
0, # Release object not found
0, # Multiple profiles
);
if( ! defined $msg ) {
if( exists $exit_msg[ $code ] ) {
$msg = $exit_msg[ $code ];
}
}
else {
if( ! exists $exit_msg[ $code ] ) {
$msg .= "\nMissing exit ID - assign one!";
}
elsif( $exit_msg[ $code ] ) {
$msg .= "\n" . $exit_msg[ $code ];
}
}
print( "$msg\n" ) if( defined $msg );
$ldap->unbind() if( defined $ldap );
exit( -1 * $code );
}
sub create_dir
{
if( ! -d "$_[0]" ) {
return if( $dry_run );
eval {
mkpath "$_[0]";
};
do_exit( 5, "Can't create dir $_[0]: $!\n" ) if( $@ );
}
}
sub get_classes {
# return list of FAI classes defined for host
my $mac = shift;
my (@classes,$mesg,$entry);
my $host_info;
my $real_hostname;
print( "Lookup host for MAC '$mac'...\n" ) if( $verbose );
my $filter = "(&(objectClass=goHard)(macAddress=$mac))";
$mesg = $ldap->search(
base => "$base",
filter => $filter,
attrs => [ 'FAIclass', 'cn', 'FAIdebianMirror', 'gosaUnitTag', 'gotoBootKernel' ]);
$mesg->code && do_exit( 2, sprintf( "LDAP error: %s (%i)", $mesg->error, __LINE__ ) );
# normally, only one value should be returned
if( 1 != $mesg->count ) {
if( 0 == $mesg->count ) {
do_exit( 3, "LDAP search for client failed!\n"
. "No entries have been returned.\n"
. " - Base: $base\n"
. " - Filter: $filter\n" );
}
else {
do_exit( 3, "LDAP search for client failed!\n"
. $mesg->count . " entries have been returned.\n"
. " - Base: $base\n"
. " - Filter: $filter\n" );
}
}
# get the entry, host DN and hostname
$entry = ($mesg->entries)[0];
$host_dn = $entry->dn;
$hostname = $entry->get_value( 'cn' );
$host_tag = $entry->get_value( 'gosaUnitTag' );
$kernel = $entry->get_value( 'gotoBootKernel' );
$real_hostname = $hostname;
$faiobj->tag( $host_tag ) if( defined $host_tag );
# set $host_base
my @rdn = gosa_ldap_split_dn( $host_dn );
shift( @rdn ); # hostname
shift( @rdn ); # servers / workstations / terminals
shift( @rdn ); # systems
$host_base = join( ',', @rdn );
# strip domain from LDAP hostname for FAI class
$hostname =~ s/\..*//;
$host_info = " + Host DN: $host_dn\n"
. " + Base: $host_base\n"
. " + Hostname: $hostname";
$host_info .= ' (' . $real_hostname . ')'
if ( $hostname ne $real_hostname );
$host_info .= "\n";
# Check for hostname mismatch
if( defined $check_hostname ) {
if( $real_hostname !~ m/^${check_hostname}$/i ) {
# Try stripped domain (non-FQDN) hostname
do_exit( 10, "Hostname mismatch: net='$check_hostname', "
. "LDAP='$real_hostname', non-FQDN='$hostname'" )
if( $hostname !~ m/^${check_hostname}$/i );
}
}
# check, if we have a FAIclass value, otherwise check groups
my $fai_class_str = $entry->get_value( 'FAIclass' );
if( (! defined $fai_class_str) || ('' eq $fai_class_str) ) {
print( "No FAI information stored in host object - looking for host groups...\n" ) if( $verbose );
$filter = '(&(member=' . escape_filter_value(${host_dn}) . ')(objectClass=gosaGroupOfNames)(gosaGroupObjects=[W])(objectClass=FAIobject))';
$mesg = $ldap->search(
base => "$base",
filter => $faiobj->prepare_filter( $filter ),
attrs => [ 'FAIclass', 'cn', 'FAIdebianMirror', 'gotoBootKernel' ]);
$mesg->code && do_exit( 2, sprintf( "LDAP error: %s (%i)", $mesg->error, __LINE__ ) );
if( 1 != $mesg->count ) {
if( 0 == $mesg->count ) {
do_exit( 3, "LDAP search for object groups with FAIobject containing the client failed!\n"
. "No entries have been returned.\n"
. " - Base: $base\n"
. " - Filter: $filter\n" );
}
else {
do_exit( 3, "LDAP search for object groups with FAIobject containing the client failed!\n"
. $mesg->count . " entries have been returned.\n"
. " - Base: $base\n"
. " - Filter: $filter\n" );
}
}
$entry = ($mesg->entries())[0];
print( "Found FAI information in object group '" . $entry->get_value( 'cn' ) . "'\n"
. ' + Object group: ' . $entry->dn() . "\n" )
if( $verbose );
if (not defined $kernel){
$kernel = $entry->get_value( 'gotoBootKernel' );
}
}
if (not defined $kernel){
do_exit( 3, "There is no kernel defined for this client: check the gotoBootKernel attribute!\n" );
}
$fai_mirror = $entry->get_value( 'FAIdebianMirror' );
print( $host_info ) if $verbose;
return $entry->get_value( 'FAIclass' );
}
sub generate_sources_list {
my( $sections ) = @_;
my( $mesg, $entry, $line, @deblines, @modsections, @rdns, %saw, $debline );
# Create unique list
undef %saw;
@saw{@$sections} = ();
@$sections = sort keys %saw;
if ($verbose) {
print "Generate template '/etc/apt/sources.list' for class 'LAST'\n"
. " - searching server(s) for\n"
. " + release: ${release}\n"
. " + sections: @$sections\n";
}
create_dir( "${dump_dir}/files/etc/apt/sources.list" );
if( ! $dry_run ) {
open (SOURCES,">${dump_dir}/files/etc/apt/sources.list/LAST")
|| do_exit( 4, "Can't create ${dump_dir}/files/etc/apt/sources.list/LAST. $!\n" );
}
if( "auto" ne "$fai_mirror" ) {
if( ! $dry_run ) {
print SOURCES "deb $fai_mirror $release @$sections\n";
close (SOURCES);
}
print( " = Using default: $fai_mirror\n" ) if( $verbose );
return 0;
}
my %release_sections = ();
my @sec = @$sections;
my ($search_base,@entries);
$release_sections{ "$release" } = \@sec;
my $fin = 0;
while( 1 ) {
# Prepare search base
if( ! defined $search_base )
{ $search_base = $host_base; }
else {
my @rdn = gosa_ldap_split_dn( $search_base );
shift( @rdn );
$search_base = join( ',', @rdn );
}
print( " - using search start base: $search_base\n" ) if $verbose;
# Look for repository servers
($mesg,$search_base) = gosa_ldap_rsearch( $ldap, $host_base, '',
$faiobj->prepare_filter( '(objectClass=FAIrepositoryServer)' ),
'one', 'ou=servers,ou=systems', [ 'FAIrepository', 'cn' ] );
goto BAILOUT_CHECK_SERVER if( ! defined $mesg );
$mesg->code && do_exit
( 2, sprintf( "LDAP error: %s (%i)", $mesg->error, __LINE__ ) );
if( 0 == scalar $mesg->entries ) {
next;
}
# Check all found servers
print( " - found matches in base: $search_base\n" )
if( $verbose && $mesg->count() );
$fin = 1;
foreach $entry ($mesg->entries) {
print " - inspecting repository server: "
. $entry->get_value('cn') . "\n" if $verbose;
foreach my $repoline ($entry->get_value('FAIrepository')){
my (@items) = split( '\|', ${repoline} );
my (@modsections) = split( ',', $items[3] );
# Check repository release
if( exists $release_sections{ $items[ 2 ] } ) {
# Check sections
# Idea: try to remove local section from global section list.
# If not remove, removed from local list
# and add to
my $index = 0;
foreach my $section (@modsections) {
if( 0 == gosa_array_find_and_remove
( $release_sections{ $items[ 2 ] }, $section ) )
{
splice( @modsections, $index, 1 );
if( 0 == scalar $release_sections{ $items[ 2 ] } ) {
delete $release_sections{ $items[ 2 ] };
last;
}
}
$index++;
}
# Add deb-line for server, if we have local sections
if( scalar @modsections > 0 ) {
$debline = "deb $items[ 0 ] $items[ 2 ] " . join(' ',@modsections) . "\n";
print " + add: $debline" if $verbose;
print SOURCES "$debline" if( ! $dry_run );
}
last if( 0 == scalar keys ( %release_sections ) );
}
}
# Check, if there we still have some sections in any release
while ( my ($key, $value) = each(%release_sections) ) {
if (0 != scalar @$value) {
$fin = 0;
last;
}
}
last if (1 == $fin);
}
last if(1 == $fin);
}
BAILOUT_CHECK_SERVER:
if( 0 == $fin ) {
if( $verbose ) {
print "Missing sections for release:\n";
while ( my ($key, $value) = each(%release_sections) ) {
print " + $key: @$value\n"
}
}
exit -2;
}
close (SOURCES) if( ! $dry_run );
}
sub generate_kernel_packagelist {
my $kernel= shift;
my( $mesg, $entry, $line, @deblines, @modsections, @rdns, %saw, $debline );
# Some fallback for "default" values
if( $kernel eq "default" ) {
$kernel= "linux-image-2.6-486";
}
if ($verbose) {
print "Generate kernel package script for class 'LAST'\n"
. " - kernel: ${kernel}\n"
}
create_dir( "${dump_dir}/scripts/LAST" );
if( ! $dry_run ) {
open (SOURCES,">${dump_dir}/scripts/LAST/99-install-kernel")
|| do_exit( 4, "Can't create ${dump_dir}/scripts/LAST/99-install-kernel. $!\n" );
print SOURCES "#!/bin/sh\n";
print SOURCES "# - automatically created by ldap2fai -\n";
print SOURCES "\$ROOTCMD aptitude -o \"Aptitude::CmdLine::Ignore-Trust-Violations=yes\" -y install $kernel\n";
close (SOURCES);
chmod 0700, "${dump_dir}/scripts/LAST/99-install-kernel";
}
}
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