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