[1348] | 1 | #!/usr/bin/perl -w
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| 2 | #
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| 3 | # Common functions for virtual environment
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[1528] | 4 | #
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| 5 | # Copyright B. Cornec 2007-2012
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| 6 | # Eric Anderson's changes are (c) Copyright 2012 Hewlett Packard
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| 7 | # Provided under the GPL v2
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[1348] | 8 | #
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| 9 | # $Id$
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| 10 | #
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| 11 |
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| 12 | package ProjectBuilder::VE;
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| 13 |
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| 14 | use strict;
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| 15 | use Data::Dumper;
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[1506] | 16 | use Carp 'confess';
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[1348] | 17 | use English;
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| 18 | use ProjectBuilder::Version;
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| 19 | use ProjectBuilder::Base;
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| 20 | use ProjectBuilder::Conf;
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[1350] | 21 | use ProjectBuilder::Distribution;
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[1348] | 22 |
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| 23 | # Global vars
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| 24 | # Inherit from the "Exporter" module which handles exporting functions.
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| 25 |
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| 26 | use vars qw($VERSION $REVISION @ISA @EXPORT);
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| 27 | use Exporter;
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| 28 |
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| 29 | # Export, by default, all the functions into the namespace of
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| 30 | # any code which uses this module.
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| 31 |
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| 32 | our @ISA = qw(Exporter);
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| 33 | our @EXPORT = qw(pb_ve_launch);
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| 34 |
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| 35 | ($VERSION,$REVISION) = pb_version_init();
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| 36 |
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| 37 | =pod
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| 38 |
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| 39 | =head1 NAME
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| 40 |
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| 41 | ProjectBuilder::VE, part of the project-builder.org - module dealing with Virtual Environment
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| 42 |
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| 43 | =head1 DESCRIPTION
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| 44 |
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| 45 | This modules provides functions to deal with Virtual Environements (VE), aka chroot.
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| 46 |
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| 47 | =head1 SYNOPSIS
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| 48 |
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| 49 | use ProjectBuilder::VE;
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| 50 |
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| 51 | #
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| 52 | # Return information on the running distro
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| 53 | #
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| 54 | my $pbos = pb_ve_launch();
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| 55 |
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| 56 | =head1 USAGE
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| 57 |
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| 58 | =over 4
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| 59 |
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| 60 | =item B<pb_ve_launch>
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| 61 |
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| 62 | This function launch a VE, creating it if necessary using multiple external potential tools.
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| 63 |
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| 64 | =cut
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| 65 |
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| 66 | sub pb_ve_launch {
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| 67 |
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| 68 | my $v = shift || undef;
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| 69 | my $pbforce = shift || 0; # By default do not rebuild VE
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[1646] | 70 | my $locsnap = shift || 0; # By default do not snap VE
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[1348] | 71 |
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| 72 | # Get distro context
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| 73 | my $pbos = pb_distro_get_context($v);
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| 74 |
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| 75 | # Get VE context
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| 76 | my ($ptr,$vepath) = pb_conf_get("vetype","vepath");
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| 77 | my $vetype = $ptr->{$ENV{'PBPROJ'}};
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| 78 |
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[1506] | 79 | confess "No vetype defined for $ENV{PBPROJ}" unless (defined $vetype);
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| 80 | pb_log(1, "Using vetype $vetype for $ENV{PBPROJ}\n");
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| 81 |
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[1352] | 82 | if (($vetype eq "chroot") || ($vetype eq "schroot")) {
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[1348] | 83 |
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[1352] | 84 | # We need to avoid umask propagation to the VE
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| 85 | umask 0022;
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[1348] | 86 |
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[1352] | 87 | # We can probably only get those params now we have the distro context
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| 88 | my ($rbsb4pi,$rbspi,$vesnap,$oscodename,$osmindep,$verebuild,$rbsmirrorsrv) = pb_conf_get_if("rbsb4pi","rbspi","vesnap","oscodename","osmindep","verebuild","rbsmirrorsrv");
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[1348] | 89 |
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| 90 | # Architecture consistency
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[1352] | 91 | my $arch = pb_get_arch();
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[1348] | 92 | if ($arch ne $pbos->{'arch'}) {
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[1506] | 93 | die "Unable to launch a VE of architecture $pbos->{'arch'} on a $arch platform" unless (($pbos->{'arch'} =~ /i?86/o) && ($arch eq "x86_64"));
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[1348] | 94 | }
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| 95 |
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[1352] | 96 | # If we are already root (from pbmkbm e.g.) don't use sudo, just call the command
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| 97 | my $sudocmd="";
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[1527] | 98 | if ($EFFECTIVE_USER_ID != 0) {
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| 99 | $sudocmd ="sudo ";
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| 100 | foreach my $proxy (qw/http_proxy ftp_proxy/) {
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| 101 | if (defined $ENV{$proxy}) {
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[1530] | 102 | open(CMD,"sudo sh -c 'echo \$$proxy' |") or die "can't run sudo sh?: $!";
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[1527] | 103 | $_ = <CMD>;
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| 104 | chomp();
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| 105 | die "sudo not passing through env var $proxy; '$ENV{$proxy}' != '$_'\nAdd line Defaults:`whoami` env_keep += \"$proxy\" to sudoers file?" unless $_ eq $ENV{$proxy};
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[1530] | 106 | close(CMD);
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[1527] | 107 | }
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| 108 | }
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[1530] | 109 | }
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[1564] | 110 |
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[1519] | 111 | # Handle cross arch on Intel based platforms
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[1564] | 112 | $sudocmd = "setarch i386 $sudocmd" if (($pbos->{'arch'} =~ /i[3456]86/) && ($arch eq 'x86_64'));
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[1348] | 113 |
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[1506] | 114 | my $root = pb_path_expand($vepath->{$ENV{PBPROJ}});
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[1352] | 115 | if (((defined $verebuild) && ($verebuild->{$ENV{'PBPROJ'}} =~ /true/i)) || ($pbforce == 1)) {
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| 116 | my ($verpmtype,$vedebtype) = pb_conf_get("verpmtype","vedebtype");
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| 117 | my ($rbsopt1) = pb_conf_get_if("rbsopt");
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| 118 |
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[1348] | 119 | # We have to rebuild the chroot
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| 120 | if ($pbos->{'type'} eq "rpm") {
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| 121 |
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| 122 | # Which tool is used
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| 123 | my $verpmstyle = $verpmtype->{$ENV{'PBPROJ'}};
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[1517] | 124 | die "No verpmtype defined for $ENV{PBPROJ}" unless (defined $verpmstyle);
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[1348] | 125 |
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| 126 | # Get potential rbs option
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| 127 | my $rbsopt = "";
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| 128 | if (defined $rbsopt1) {
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| 129 | if (defined $rbsopt1->{$verpmstyle}) {
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| 130 | $rbsopt = $rbsopt1->{$verpmstyle};
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| 131 | } elsif (defined $rbsopt1->{$ENV{'PBPROJ'}}) {
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| 132 | $rbsopt = $rbsopt1->{$ENV{'PBPROJ'}};
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| 133 | } else {
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| 134 | $rbsopt = "";
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| 135 | }
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| 136 | }
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| 137 |
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| 138 | my $postinstall = pb_ve_get_postinstall($pbos,$rbspi,$verpmstyle);
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| 139 | if ($verpmstyle eq "rinse") {
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| 140 | # Need to reshape the mirrors generated with local before-post-install script
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| 141 | my $b4post = "--before-post-install ";
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| 142 | my $postparam = pb_distro_get_param($pbos,$rbsb4pi);
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| 143 | if ($postparam eq "") {
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| 144 | $b4post = "";
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| 145 | } else {
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| 146 | $b4post .= $postparam;
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| 147 | }
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| 148 |
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| 149 | # Need to reshape the package list for pb
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| 150 | my $addpkgs;
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| 151 | $postparam = "";
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| 152 | $postparam .= pb_distro_get_param($pbos,$osmindep);
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| 153 | if ($postparam eq "") {
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| 154 | $addpkgs = "";
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| 155 | } else {
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| 156 | my $pkgfile = "$ENV{'PBTMP'}/addpkgs.lis";
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| 157 | open(PKG,"> $pkgfile") || die "Unable to create $pkgfile";
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| 158 | foreach my $p (split(/,/,$postparam)) {
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| 159 | print PKG "$p\n";
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| 160 | }
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| 161 | close(PKG);
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| 162 | $addpkgs = "--add-pkg-list $pkgfile";
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| 163 | }
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| 164 |
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| 165 | my $rinseverb = "";
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| 166 | $rinseverb = "--verbose" if ($pbdebug gt 0);
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| 167 | my ($rbsconf) = pb_conf_get("rbsconf");
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| 168 |
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| 169 | my $command = pb_check_req("rinse",0);
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[1506] | 170 | pb_system("$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'} ($pbos->{'arch'})", "verbose");
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[1348] | 171 | } elsif ($verpmstyle eq "rpmbootstrap") {
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| 172 | my $rbsverb = "";
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| 173 | foreach my $i (1..$pbdebug) {
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| 174 | $rbsverb .= " -v";
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| 175 | }
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| 176 | my $addpkgs = "";
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| 177 | my $postparam = "";
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| 178 | $postparam .= pb_distro_get_param($pbos,$osmindep);
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| 179 | if ($postparam eq "") {
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| 180 | $addpkgs = "";
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| 181 | } else {
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| 182 | $addpkgs = "-a $postparam";
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| 183 | }
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| 184 | my $command = pb_check_req("rpmbootstrap",0);
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| 185 | pb_system("$sudocmd $command $rbsopt $postinstall $addpkgs $pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'} $rbsverb","Creating the rpmbootstrap VE for $pbos->{'name'}-$pbos->{'version'} ($pbos->{'arch'})", "verbose");
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[1596] | 186 | pb_system("$sudocmd /bin/umount $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}/proc","Umounting stale /proc","mayfail") if (-f "$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}/proc/cpuinfo");
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[1348] | 187 | } elsif ($verpmstyle eq "mock") {
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| 188 | my ($rbsconf) = pb_conf_get("rbsconf");
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| 189 | my $command = pb_check_req("mock",0);
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| 190 | pb_system("$sudocmd $command --init --resultdir=\"/tmp\" --configdir=\"$rbsconf->{$ENV{'PBPROJ'}}\" -r $v $rbsopt","Creating the mock VE for $pbos->{'name'}-$pbos->{'version'} ($pbos->{'arch'})");
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| 191 | # Once setup we need to install some packages, the pb account, ...
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| 192 | pb_system("$sudocmd $command --install --configdir=\"$rbsconf->{$ENV{'PBPROJ'}}\" -r $v su","Configuring the mock VE");
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| 193 | } else {
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| 194 | die "Unknown verpmtype type $verpmstyle. Report to dev team";
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| 195 | }
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| 196 | } elsif ($pbos->{'type'} eq "deb") {
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| 197 | my $vedebstyle = $vedebtype->{$ENV{'PBPROJ'}};
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| 198 |
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| 199 | my $codename = pb_distro_get_param($pbos,$oscodename);
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| 200 | my $postparam = "";
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| 201 | my $addpkgs;
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| 202 | $postparam .= pb_distro_get_param($pbos,$osmindep);
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| 203 | if ($postparam eq "") {
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| 204 | $addpkgs = "";
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| 205 | } else {
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| 206 | $addpkgs = "--include $postparam";
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| 207 | }
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| 208 | my $debmir = "";
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| 209 | $debmir .= pb_distro_get_param($pbos,$rbsmirrorsrv);
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| 210 |
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| 211 | # Get potential rbs option
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| 212 | my $rbsopt = "";
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| 213 | if (defined $rbsopt1) {
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| 214 | if (defined $rbsopt1->{$vedebstyle}) {
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| 215 | $rbsopt = $rbsopt1->{$vedebstyle};
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| 216 | } elsif (defined $rbsopt1->{$ENV{'PBPROJ'}}) {
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| 217 | $rbsopt = $rbsopt1->{$ENV{'PBPROJ'}};
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| 218 | } else {
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| 219 | $rbsopt = "";
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| 220 | }
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| 221 | }
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| 222 |
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| 223 | # debootstrap works with amd64 not x86_64
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| 224 | my $debarch = $pbos->{'arch'};
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| 225 | $debarch = "amd64" if ($pbos->{'arch'} eq "x86_64");
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| 226 | if ($vedebstyle eq "debootstrap") {
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| 227 | my $dbsverb = "";
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| 228 | $dbsverb = "--verbose" if ($pbdebug gt 0);
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| 229 |
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| 230 | # Some perl modules are in Universe on Ubuntu
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| 231 | $rbsopt .= " --components=main,universe" if ($pbos->{'name'} eq "ubuntu");
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| 232 |
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[1588] | 233 | my $cmd1 = pb_check_req("mkdir",0);
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| 234 | my $cmd2 = pb_check_req("debootstrap",0);
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| 235 | pb_system("$sudocmd $cmd1 -p $root/$pbos->{name}/$pbos->{version}/$pbos->{arch} ; $sudocmd $cmd2 $dbsverb $rbsopt --arch=$debarch $addpkgs $codename \"$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}\" $debmir","Creating the debootstrap VE for $pbos->{'name'}-$pbos->{'version'} ($pbos->{'arch'})", "verbose");
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[1348] | 236 | # debootstrap doesn't create an /etc/hosts file
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[1506] | 237 | if (! -f "$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}/etc/hosts" ) {
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[1588] | 238 | my $cmd = pb_check_req("cp",0);
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| 239 | pb_system("$sudocmd $cmd /etc/hosts $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}/etc/hosts");
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[1348] | 240 | }
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| 241 | } else {
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| 242 | die "Unknown vedebtype type $vedebstyle. Report to dev team";
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| 243 | }
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| 244 | } elsif ($pbos->{'type'} eq "ebuild") {
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| 245 | die "Please teach the dev team how to build gentoo chroot";
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| 246 | } else {
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| 247 | die "Unknown distribution type $pbos->{'type'}. Report to dev team";
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| 248 | }
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| 249 | }
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| 250 |
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| 251 | # Test if an existing snapshot exists and use it if appropriate
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| 252 | # And also use it of no local extracted VE is present
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[1506] | 253 | if ((-f "$root/$pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'}.tar.gz") &&
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[1348] | 254 | (((defined $vesnap->{$v}) && ($vesnap->{$v} =~ /true/i)) ||
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[1646] | 255 | ((defined $vesnap->{$ENV{'PBPROJ'}}) && ($vesnap->{$ENV{'PBPROJ'}} =~ /true/i))) &&
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| 256 | ($locsnap eq 1) &&
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| 257 | (! -d "$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}")) {
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[1588] | 258 | my $cmd1 = pb_check_req("rm",0);
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| 259 | my $cmd2 = pb_check_req("mkdir",0);
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| 260 | my $cmd3 = pb_check_req("tar",0);
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| 261 | pb_system("$sudocmd $cmd1 -rf $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'} ; $sudocmd $cmd2 -p $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'} ; $sudocmd $cmd3 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'}");
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[1348] | 262 | }
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[1597] | 263 |
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| 264 | # Fix modes to allow access to the VE for pb user
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| 265 | my $command = pb_check_req("chmod",0);
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| 266 | pb_system("$sudocmd $command 755 $root/$pbos->{'name'} $root/$pbos->{'name'}/$pbos->{'version'} $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}","Fixing permissions");
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| 267 |
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[1348] | 268 | # Nothing more to do for VE. No real launch
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| 269 | } else {
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| 270 | die "VE of type $vetype not supported. Report to the dev team";
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| 271 | }
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| 272 | }
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| 273 |
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| 274 | #
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| 275 | # Return the postinstall line if needed
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| 276 | #
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| 277 |
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| 278 | sub pb_ve_get_postinstall {
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| 279 |
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| 280 | my $pbos = shift;
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| 281 | my $rbspi = shift;
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| 282 | my $vestyle = shift;
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| 283 | my $post = "";
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| 284 |
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| 285 | # Do we have a local post-install script
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| 286 | if ($vestyle eq "rinse") {
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| 287 | $post = "--post-install ";
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| 288 | } elsif ($vestyle eq "rpmbootstrap") {
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| 289 | $post = "-s ";
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| 290 | }
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| 291 |
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| 292 | my $postparam = pb_distro_get_param($pbos,$rbspi);
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| 293 | if ($postparam eq "") {
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| 294 | $post = "";
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| 295 | } else {
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| 296 | $post .= $postparam;
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| 297 | }
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| 298 | return($post);
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| 299 | }
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| 300 |
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| 301 |
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| 302 | =head1 WEB SITES
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| 303 |
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| 304 | The 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/>.
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| 305 |
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| 306 | =head1 USER MAILING LIST
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| 307 |
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| 308 | None exists for the moment.
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| 309 |
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| 310 | =head1 AUTHORS
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| 311 |
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| 312 | The Project-Builder.org team L<http://trac.project-builder.org/> lead by Bruno Cornec L<mailto:bruno@project-builder.org>.
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| 313 |
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| 314 | =head1 COPYRIGHT
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| 315 |
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| 316 | Project-Builder.org is distributed under the GPL v2.0 license
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| 317 | described in the file C<COPYING> included with the distribution.
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| 318 |
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| 319 | =cut
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| 320 |
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| 321 |
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| 322 | 1;
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