aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Iurt/Config.pm
blob: c2fbe6d3092583160c2e6a9a018042a12ce51249 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
package Iurt::Config;

use base qw(Exporter);
use RPM4::Header;
use Data::Dumper;
use MDK::Common;
use Iurt::Util qw(plog);
use strict;
use Sys::Hostname;

our @EXPORT = qw(
    config_usage
    config_init
    get_date
    dump_cache
    dump_cache_par
    init_cache
    get_maint
    get_date
    get_prefix
    get_author_email
    check_arch
    check_noarch
    get_package_prefix
    %arch_comp
);

our %arch_comp = (
    'i586' => { 'i386' => 1, 'i486' => 1, 'i586' => 1 },
    'i686' => { 'i386' => 1, 'i486' => 1, 'i586' => 1, 'i686' => 1 },
    'x86_64' => { 'x86_64' => 1 },
    'ppc' => { 'ppc' => 1 },
    'ppc64' => { 'ppc' => 1, 'ppc64' => 1 },
    'armv5tejl' => { 'armv5tl' => 1 },
    'armv5tel' => { 'armv5tl' => 1 },
    'armv5tl' => { 'armv5tl' => 1 },
    'armv7l' => { 'armv5tl' => 1 },
);


=head2 config_usage($config_usage, $config)

Create an instance of a class at runtime.
I<$config_usage> is the configuration help,
I<%config> is the current configuration values
Return true.

=cut

sub config_usage {
    my ($config_usage, $config) = @_;
	print "
	
	Iurt configuration keywords:
	
";
    $Data::Dumper::Indent = 0;
    $Data::Dumper::Terse = 1;
    foreach my $k (sort keys %$config_usage) {
	print "	$k: $config_usage->{$k}{desc} 
			default: ", Data::Dumper->Dump([ $config_usage->{$k}{default} ]), ", current: ", Data::Dumper->Dump([ $config->{$k} ]), "\n";
    }
    print "\n\n";
}

=head2 config_init($config_usage, $config, $rung)

Create an instance of a class at runtime.
I<$config_usage> is the configuration help,
I<%config> is the current configuration values
I<%run> is the current running options
Return true.

=cut

sub config_init {
    my ($config_usage, $config, $run) = @_;
    
    foreach my $k (keys %$config_usage) {
	ref $config_usage->{$k}{default} eq 'CODE' and next;
	$config->{$k} ||= $run->{config}{$k} || $config_usage->{$k}{default};
    }
    # warly 20061107
    # we need to have all the default initialised before calling functions, so this
    # cannot be done in the same loop
    foreach my $k (keys %$config_usage) {
	ref $config_usage->{$k}{default} eq 'CODE' or next;
	my $a = $config_usage->{$k}{default}($config, $run);
	$config->{$k} ||= $run->{config}{$k} || $a;
    }
}


=head2 get_date($shift)

Create a string based on the current date and time
I<$shift> number of second to shift the date
Return date-time and date

=cut

sub get_date {
    my ($o_shift) = @_;
    my ($sec, $min, $hour, $mday, $mon, $year) = gmtime(time() - $o_shift);
    $year += 1900;
    my $fulldate = sprintf "%4d%02d%02d%02d%02d%02d", $year, $mon+1, $mday, $hour, $min, $sec;
    my $daydate = sprintf "%4d%02d%02d", $year, $mon+1, $mday;
    $fulldate, $daydate;
}

sub get_prefix {
    my ($luser) = @_;
    my $hostname = hostname();
    my ($fulldate) = get_date();
    my ($host) = $hostname =~ /([^.]*)/;
    join('.', $fulldate, $luser, $host, $$) . '_';
}

sub get_package_prefix {
    my ($rpm) = @_;
    my ($prefix1) = $rpm =~ /^(\d{14}\.\w+\.\w+\.\d+)_/;
    my ($prefix2) = $rpm =~ /^(\@\d+:)/;
    "$prefix1$prefix2";
}
=head2 init_cache($run, $config)

Create a string based on the current date and time
I<%run> is the current running options
I<%config> is the current configuration values
Initialize the cache

=cut

sub init_cache {
    my ($run, $config, $empty) = @_;
    my $program_name = $run->{program_name};
    my $cachefile = "$config->{cache_home}/$program_name.cache";
    my $cache;
    if (-f $cachefile) {
	$run->{LOG}->("$program_name: loading cache file $cachefile\n");
	$cache = eval(cat_($cachefile)) or print "FATAL $program_name: could not load cache $cachefile ($!)\n";
    } else {
	$cache = $empty;
    }
    $run->{cachefile} = $cachefile;
    $run->{cache} = $cache;
    $cache;
}

=head2 dump_cache($run, $config)

Create a string based on the current date and time
I<%run> is the current running options
Dump the cache

=cut

sub dump_cache {
    my ($run) = @_;
    my $program_name = $run->{program_name};
    my $filename = $run->{cachefile};
    my $cache = $run->{cache};
    my $daydate = $run->{daydate};
    open my $file, ">$filename.tmp.$daydate" or die "FATAL $program_name dump_cache: cannot open $filename.tmp";
    $Data::Dumper::Indent = 1;
    $Data::Dumper::Terse = 1;
    print $file Data::Dumper->Dump([ $cache ], [ "cache" ]);
    # flock does not work on network files and lockf seems to fail too
    $run->{LOG}->("$program_name: locking to dump the cache in $filename\n");
    if (-f "$filename.lock") {
	$run->{LOG}->("ERROR iurt: manual file lock exist, do not save the cache\n");
    } else {
	open my $lock, ">$filename.lock";
	print $lock $$;
	close $lock;
	unlink $filename;
	link "$filename.tmp.$daydate", $filename;
	unlink "$filename.lock";
    }
}

# FIXME need to merge with the simpler dump_cache
sub dump_cache_par {
    my ($run) = @_;
    my $filename = $run->{cachefile};
    my $cache = $run->{cache};
    my $daydate = $run->{daydate};

    # Right now there are no mechanism of concurrent access/write to the cache. There is 
    # on global lock for one iurt session. A finer cache access would allow several iurt running
    # but the idea is more to have a global parrallel build than several local ones.
    return if $run->{debug} || !$run->{use_cache};
    open my $file, ">$filename.tmp.$daydate" or die "FATAL iurt dump_cache: cannot open $filename.tmp";
    if ($run->{concurrent_run}) {
	plog('DEBUG', "merging cache");
	my $old_cache;
	if (-f $filename) {
	    plog('DEBUG', "loading cache file $filename");
	    $old_cache = eval(cat_($filename));

	    foreach my $k ('rpm_srpm', 'failure', 'no_unionfs', 'queue', 'needed', 'warning', 'buildrequires') {
		foreach my $rpm (%{$old_cache->{$k}}) {
		    $cache->{$k}{$rpm} ||= $old_cache->{$k}{$rpm};
		}
	    }
	}
	#  $cache = { rpm_srpm => {}, failure => {}, queue => {}, warning => {}, run => 1, needed => {}, no_unionfs => {} }
    }
    $Data::Dumper::Indent = 1;
    $Data::Dumper::Terse = 1;
    print $file Data::Dumper->Dump([ $cache ], [ "cache" ]);
    # flock does not work on network files and lockf seems to fail too
    my $status = 1; #File::lockf::lock($file);
    if (!$status) {
	unlink $filename;
	link "$filename.tmp.$daydate", $filename;
	File::lockf::ulock($file);
    } else {
	plog('WARN', "WARNING: locking the cache file $filename failed (status $status $!), try to lock manually");
	if (-f "$filename.lock") {
	    plog('ERROR', "ERROR: manual file lock exist, do not save the cache");
	} else {
	    open my $lock, ">$filename.lock";
	    print $lock $$;
	    close $lock;
	    unlink $filename;
	    link "$filename.tmp.$daydate", $filename;
	    unlink "$filename.lock";
	}
    }
}

sub get_maint {
    my ($run, $srpm) = @_;
    my ($srpm_name) = $srpm =~ /(.*)-[^-]+-[^-]+\.[^.]+$/;
    $srpm_name ||= $srpm;
    if ($run->{maint}{$srpm}) {
	return $run->{maint}{$srpm}, $srpm_name;
    }
    my $maint = `GET 'http://maintdb.mageia.org/$srpm_name'`;
    chomp $maint;
    $run->{maint}{$srpm} = $maint;
    $maint, $srpm_name;
}

sub get_author_email {
    my ($user) = @_;
    my $authoremail = $user . ' <' . $user . '>';

    return $authoremail;
}

sub check_noarch {
    my ($rpm) = @_;
    my $hdr = RPM4::Header->new($rpm);

    # Stupid rpm doesn't return an empty list so we must check for (none)

    my ($build_archs) = $hdr->queryformat('%{BUILDARCHS}');

    if ($build_archs ne '(none)') {
	($build_archs) = $hdr->queryformat('[%{BUILDARCHS} ]');
	my @list = split ' ', $build_archs;
	return 1 if member('noarch', @list);
    }

    return 0;
}

sub check_arch {
    my ($rpm, $arch) = @_;
    my $hdr = RPM4::Header->new($rpm);

    # Stupid rpm doesn't return an empty list so we must check for (none)

    my ($exclusive_arch) = $hdr->queryformat('%{EXCLUSIVEARCH}');

    if ($exclusive_arch ne '(none)') {
	($exclusive_arch) = $hdr->queryformat('[%{EXCLUSIVEARCH} ]');
	my @list = split ' ', $exclusive_arch;
	return 0 unless any { $arch_comp{$arch}{$_} } @list;
    }

    my ($exclude_arch) = $hdr->queryformat('[%{EXCLUDEARCH} ]');

    if ($exclude_arch ne '(none)') {
	($exclude_arch) = $hdr->queryformat('[%{EXCLUDEARCH} ]');
	my @list = split ' ', $exclude_arch;
	return 0 if member($arch, @list);
    }

    return 1;
}

1;