source: ProjectBuilder/devel/pb-modules/lib/ProjectBuilder/VE.pm@ 1519

Last change on this file since 1519 was 1519, checked in by Bruno Cornec, 12 years ago
  • pb.conf: Add support for centos-6: new osrelfile, add initial dependencies, add perl and package dependencies (Eric Anderson)
  • Distribution.pm: Require that we have a functional install command. The old protection code was wrong since without a valid value it defaults to , and if it had been correct would cause installs to silently fail. (Eric Anderson)
  • VE.pm: Run bootstrapping under linux32 (Bruno changed that to setarch) if arch is i386 and host is x86_64/amd64 so that it gets the architecture right. (Eric Anderson)
File size: 9.8 KB
Line 
1#!/usr/bin/perl -w
2#
3# Common functions for virtual environment
4#
5# $Id$
6#
7
8package ProjectBuilder::VE;
9
10use strict;
11use Data::Dumper;
12use Carp 'confess';
13use English;
14use ProjectBuilder::Version;
15use ProjectBuilder::Base;
16use ProjectBuilder::Conf;
17use ProjectBuilder::Distribution;
18
19# Global vars
20# Inherit from the "Exporter" module which handles exporting functions.
21
22use vars qw($VERSION $REVISION @ISA @EXPORT);
23use Exporter;
24
25# Export, by default, all the functions into the namespace of
26# any code which uses this module.
27
28our @ISA = qw(Exporter);
29our @EXPORT = qw(pb_ve_launch);
30
31($VERSION,$REVISION) = pb_version_init();
32
33=pod
34
35=head1 NAME
36
37ProjectBuilder::VE, part of the project-builder.org - module dealing with Virtual Environment
38
39=head1 DESCRIPTION
40
41This modules provides functions to deal with Virtual Environements (VE), aka chroot.
42
43=head1 SYNOPSIS
44
45 use ProjectBuilder::VE;
46
47 #
48 # Return information on the running distro
49 #
50 my $pbos = pb_ve_launch();
51
52=head1 USAGE
53
54=over 4
55
56=item B<pb_ve_launch>
57
58This function launch a VE, creating it if necessary using multiple external potential tools.
59
60=cut
61
62sub pb_ve_launch {
63
64my $v = shift || undef;
65my $pbforce = shift || 0; # By default do not rebuild VE
66my $pbsnap = shift || 0; # By default do not snap VE
67
68# Get distro context
69my $pbos = pb_distro_get_context($v);
70
71# Get VE context
72my ($ptr,$vepath) = pb_conf_get("vetype","vepath");
73my $vetype = $ptr->{$ENV{'PBPROJ'}};
74
75confess "No vetype defined for $ENV{PBPROJ}" unless (defined $vetype);
76pb_log(1, "Using vetype $vetype for $ENV{PBPROJ}\n");
77
78if (($vetype eq "chroot") || ($vetype eq "schroot")) {
79
80 # We need to avoid umask propagation to the VE
81 umask 0022;
82
83 # We can probably only get those params now we have the distro context
84 my ($rbsb4pi,$rbspi,$vesnap,$oscodename,$osmindep,$verebuild,$rbsmirrorsrv) = pb_conf_get_if("rbsb4pi","rbspi","vesnap","oscodename","osmindep","verebuild","rbsmirrorsrv");
85
86 # Architecture consistency
87 my $arch = pb_get_arch();
88 if ($arch ne $pbos->{'arch'}) {
89 die "Unable to launch a VE of architecture $pbos->{'arch'} on a $arch platform" unless (($pbos->{'arch'} =~ /i?86/o) && ($arch eq "x86_64"));
90 }
91
92 # If we are already root (from pbmkbm e.g.) don't use sudo, just call the command
93 my $sudocmd="";
94 $sudocmd ="sudo " if ($EFFECTIVE_USER_ID != 0);
95 # Handle cross arch on Intel based platforms
96 $sudocmd = "setarch i386 $sudocmd" if (($pbos->{arch} =~ /i?86/) && ($arch eq 'x86_64'));
97
98 my $root = pb_path_expand($vepath->{$ENV{PBPROJ}});
99 if (((defined $verebuild) && ($verebuild->{$ENV{'PBPROJ'}} =~ /true/i)) || ($pbforce == 1)) {
100 my ($verpmtype,$vedebtype) = pb_conf_get("verpmtype","vedebtype");
101 my ($rbsopt1) = pb_conf_get_if("rbsopt");
102
103 # We have to rebuild the chroot
104 if ($pbos->{'type'} eq "rpm") {
105
106 # Which tool is used
107 my $verpmstyle = $verpmtype->{$ENV{'PBPROJ'}};
108 die "No verpmtype defined for $ENV{PBPROJ}" unless (defined $verpmstyle);
109
110 # Get potential rbs option
111 my $rbsopt = "";
112 if (defined $rbsopt1) {
113 if (defined $rbsopt1->{$verpmstyle}) {
114 $rbsopt = $rbsopt1->{$verpmstyle};
115 } elsif (defined $rbsopt1->{$ENV{'PBPROJ'}}) {
116 $rbsopt = $rbsopt1->{$ENV{'PBPROJ'}};
117 } else {
118 $rbsopt = "";
119 }
120 }
121
122 my $postinstall = pb_ve_get_postinstall($pbos,$rbspi,$verpmstyle);
123 if ($verpmstyle eq "rinse") {
124 # Need to reshape the mirrors generated with local before-post-install script
125 my $b4post = "--before-post-install ";
126 my $postparam = pb_distro_get_param($pbos,$rbsb4pi);
127 if ($postparam eq "") {
128 $b4post = "";
129 } else {
130 $b4post .= $postparam;
131 }
132
133 # Need to reshape the package list for pb
134 my $addpkgs;
135 $postparam = "";
136 $postparam .= pb_distro_get_param($pbos,$osmindep);
137 if ($postparam eq "") {
138 $addpkgs = "";
139 } else {
140 my $pkgfile = "$ENV{'PBTMP'}/addpkgs.lis";
141 open(PKG,"> $pkgfile") || die "Unable to create $pkgfile";
142 foreach my $p (split(/,/,$postparam)) {
143 print PKG "$p\n";
144 }
145 close(PKG);
146 $addpkgs = "--add-pkg-list $pkgfile";
147 }
148
149 my $rinseverb = "";
150 $rinseverb = "--verbose" if ($pbdebug gt 0);
151 my ($rbsconf) = pb_conf_get("rbsconf");
152
153 my $command = pb_check_req("rinse",0);
154 pb_system("$sudocmd $command --directory \"$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}\" --arch \"$pbos->{'arch'}\" --distribution \"$pbos->{'name'}-$pbos->{'version'}\" --config \"$rbsconf->{$ENV{'PBPROJ'}}\" $b4post $postinstall $rbsopt $addpkgs $rinseverb","Creating the rinse VE for $pbos->{'name'}-$pbos->{'version'} ($pbos->{'arch'})", "verbose");
155 } elsif ($verpmstyle eq "rpmbootstrap") {
156 my $rbsverb = "";
157 foreach my $i (1..$pbdebug) {
158 $rbsverb .= " -v";
159 }
160 my $addpkgs = "";
161 my $postparam = "";
162 $postparam .= pb_distro_get_param($pbos,$osmindep);
163 if ($postparam eq "") {
164 $addpkgs = "";
165 } else {
166 $addpkgs = "-a $postparam";
167 }
168 my $command = pb_check_req("rpmbootstrap",0);
169 pb_system("$sudocmd $command $rbsopt $postinstall $addpkgs $pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'} $rbsverb","Creating the rpmbootstrap VE for $pbos->{'name'}-$pbos->{'version'} ($pbos->{'arch'})", "verbose");
170 } elsif ($verpmstyle eq "mock") {
171 my ($rbsconf) = pb_conf_get("rbsconf");
172 my $command = pb_check_req("mock",0);
173 pb_system("$sudocmd $command --init --resultdir=\"/tmp\" --configdir=\"$rbsconf->{$ENV{'PBPROJ'}}\" -r $v $rbsopt","Creating the mock VE for $pbos->{'name'}-$pbos->{'version'} ($pbos->{'arch'})");
174 # Once setup we need to install some packages, the pb account, ...
175 pb_system("$sudocmd $command --install --configdir=\"$rbsconf->{$ENV{'PBPROJ'}}\" -r $v su","Configuring the mock VE");
176 } else {
177 die "Unknown verpmtype type $verpmstyle. Report to dev team";
178 }
179 } elsif ($pbos->{'type'} eq "deb") {
180 my $vedebstyle = $vedebtype->{$ENV{'PBPROJ'}};
181
182 my $codename = pb_distro_get_param($pbos,$oscodename);
183 my $postparam = "";
184 my $addpkgs;
185 $postparam .= pb_distro_get_param($pbos,$osmindep);
186 if ($postparam eq "") {
187 $addpkgs = "";
188 } else {
189 $addpkgs = "--include $postparam";
190 }
191 my $debmir = "";
192 $debmir .= pb_distro_get_param($pbos,$rbsmirrorsrv);
193
194 # Get potential rbs option
195 my $rbsopt = "";
196 if (defined $rbsopt1) {
197 if (defined $rbsopt1->{$vedebstyle}) {
198 $rbsopt = $rbsopt1->{$vedebstyle};
199 } elsif (defined $rbsopt1->{$ENV{'PBPROJ'}}) {
200 $rbsopt = $rbsopt1->{$ENV{'PBPROJ'}};
201 } else {
202 $rbsopt = "";
203 }
204 }
205
206 # debootstrap works with amd64 not x86_64
207 my $debarch = $pbos->{'arch'};
208 $debarch = "amd64" if ($pbos->{'arch'} eq "x86_64");
209 if ($vedebstyle eq "debootstrap") {
210 my $dbsverb = "";
211 $dbsverb = "--verbose" if ($pbdebug gt 0);
212
213 # Some perl modules are in Universe on Ubuntu
214 $rbsopt .= " --components=main,universe" if ($pbos->{'name'} eq "ubuntu");
215
216 pb_system("$sudocmd mkdir -p $root/$pbos->{name}/$pbos->{version}/$pbos->{arch} ; $sudocmd /usr/sbin/debootstrap $dbsverb $rbsopt --arch=$debarch $addpkgs $codename \"$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}\" $debmir","Creating the debootstrap VE for $pbos->{'name'}-$pbos->{'version'} ($pbos->{'arch'})", "verbose");
217 # debootstrap doesn't create an /etc/hosts file
218 if (! -f "$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}/etc/hosts" ) {
219 pb_system("$sudocmd cp /etc/hosts $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}/etc/hosts");
220 }
221 } else {
222 die "Unknown vedebtype type $vedebstyle. Report to dev team";
223 }
224 } elsif ($pbos->{'type'} eq "ebuild") {
225 die "Please teach the dev team how to build gentoo chroot";
226 } else {
227 die "Unknown distribution type $pbos->{'type'}. Report to dev team";
228 }
229 }
230
231 # Fix modes to allow access to the VE for pb user
232 pb_system("$sudocmd chmod 755 $root/$pbos->{'name'} $root/$pbos->{'name'}/$pbos->{'version'} $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}","Fixing permissions");
233
234 # Test if an existing snapshot exists and use it if appropriate
235 # And also use it of no local extracted VE is present
236 if ((-f "$root/$pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'}.tar.gz") &&
237 (((defined $vesnap->{$v}) && ($vesnap->{$v} =~ /true/i)) ||
238 ((defined $vesnap->{$ENV{'PBPROJ'}}) && ($vesnap->{$ENV{'PBPROJ'}} =~ /true/i)) ||
239 ($pbsnap eq 1) ||
240 (! -d "$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}"))) {
241 pb_system("$sudocmd rm -rf $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'} ; $sudocmd mkdir -p $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'} ; $sudocmd tar xz -C $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'} -f $root/$pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'}.tar.gz","Extracting snapshot of $pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'}.tar.gz under $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}");
242 }
243 # Nothing more to do for VE. No real launch
244} else {
245 die "VE of type $vetype not supported. Report to the dev team";
246}
247}
248
249#
250# Return the postinstall line if needed
251#
252
253sub pb_ve_get_postinstall {
254
255my $pbos = shift;
256my $rbspi = shift;
257my $vestyle = shift;
258my $post = "";
259
260# Do we have a local post-install script
261if ($vestyle eq "rinse") {
262 $post = "--post-install ";
263} elsif ($vestyle eq "rpmbootstrap") {
264 $post = "-s ";
265}
266
267my $postparam = pb_distro_get_param($pbos,$rbspi);
268if ($postparam eq "") {
269 $post = "";
270} else {
271 $post .= $postparam;
272}
273return($post);
274}
275
276
277=head1 WEB SITES
278
279The main Web site of the project is available at L<http://www.project-builder.org/>. Bug reports should be filled using the trac instance of the project at L<http://trac.project-builder.org/>.
280
281=head1 USER MAILING LIST
282
283None exists for the moment.
284
285=head1 AUTHORS
286
287The Project-Builder.org team L<http://trac.project-builder.org/> lead by Bruno Cornec L<mailto:bruno@project-builder.org>.
288
289=head1 COPYRIGHT
290
291Project-Builder.org is distributed under the GPL v2.0 license
292described in the file C<COPYING> included with the distribution.
293
294=cut
295
296
2971;
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