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 | # Copyright B. Cornec 2007-2015
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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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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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16 | use Carp 'confess';
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17 | use English;
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18 | use File::Basename;
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19 | use ProjectBuilder::Version;
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20 | use ProjectBuilder::Base;
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21 | use ProjectBuilder::Conf;
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22 | use ProjectBuilder::Distribution;
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23 |
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24 | # Global vars
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25 | # Inherit from the "Exporter" module which handles exporting functions.
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26 |
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27 | use vars qw($VERSION $REVISION @ISA @EXPORT);
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28 | use Exporter;
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29 |
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30 | # Export, by default, all the functions into the namespace of
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31 | # any code which uses this module.
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32 |
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33 | our @ISA = qw(Exporter);
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34 | our @EXPORT = qw(pb_ve_launch pb_ve_snap pb_ve_get_type pb_ve_docker_repo pb_ve_docker_get_image);
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35 |
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36 | ($VERSION,$REVISION) = pb_version_init();
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37 |
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38 | =pod
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39 |
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40 | =head1 NAME
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41 |
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42 | ProjectBuilder::VE, part of the project-builder.org - module dealing with Virtual Environment
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43 |
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44 | =head1 DESCRIPTION
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45 |
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46 | This modules provides functions to deal with Virtual Environements (VE), aka chroot/containers.
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47 |
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48 | =head1 SYNOPSIS
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49 |
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50 | use ProjectBuilder::VE;
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51 |
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52 | #
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53 | # Return information on the running distro
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54 | #
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55 | my $pbos = pb_ve_launch();
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56 |
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57 | =head1 USAGE
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58 |
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59 | =over 4
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60 |
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61 | =item B<pb_ve_launch>
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62 |
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63 | This function launches a VE, creating it if necessary using multiple external potential tools.
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64 |
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65 | =cut
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66 |
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67 | sub pb_ve_launch {
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68 |
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69 | my $v = shift;
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70 | my $pbforce = shift; # Which step are we in (0: create, 1: setup, 2: build, 3: use)
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71 | my $locsnap = shift;
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72 | my $vetype = shift;
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73 | my $pbimage = shift;
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74 |
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75 | my $dockerregistry = undef;
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76 | my $docrepo = ""; # By default no repository for docker available
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77 |
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78 | pb_log(2,"Entering pb_ve_launch at step $pbforce for type $vetype\n");
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79 | # Get distro context
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80 | my $pbos = pb_distro_get_context($v);
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81 |
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82 | $vetype = pb_ve_get_type($vetype);
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83 | my ($vepath) = pb_conf_get("vepath");
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84 |
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85 | if ($vetype eq "docker") {
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86 | # Check acces to registry
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87 | ($dockerregistry) = pb_conf_get("dockerregistry");
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88 | if ((defined $dockerregistry) && (defined $dockerregistry->{$ENV{'PBPROJ'}})) {
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89 | pb_ve_docker_registry($dockerregistry->{$ENV{'PBPROJ'}});
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90 | $docrepo = pb_ve_docker_repo($dockerregistry->{$ENV{'PBPROJ'}}).":";
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91 | }
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92 | }
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93 |
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94 | # Architecture consistency
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95 | my $arch = pb_get_arch();
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96 | if ($arch ne $pbos->{'arch'}) {
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97 | 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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98 | }
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99 |
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100 | # If we are already root (from pbmkbm e.g.) don't use sudo, just call the command
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101 | my $sudocmd="";
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102 | if ($EFFECTIVE_USER_ID != 0) {
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103 | $sudocmd ="sudo ";
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104 | foreach my $proxy (qw/http_proxy ftp_proxy/) {
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105 | if (defined $ENV{$proxy}) {
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106 | open(CMD,"sudo sh -c 'echo \$$proxy' |") or die "can't run sudo sh?: $!";
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107 | $_ = <CMD>;
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108 | chomp();
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109 | 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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110 | close(CMD);
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111 | }
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112 | }
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113 | }
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114 |
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115 | # Handle cross arch on Intel based platforms
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116 | $sudocmd = "setarch i386 $sudocmd" if (($pbos->{'arch'} =~ /i[3456]86/) && ($arch eq 'x86_64'));
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117 |
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118 | my $root = pb_path_expand($vepath->{$ENV{PBPROJ}});
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119 |
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120 | if (($vetype eq "chroot") || ($vetype eq "schroot") || ($vetype eq "docker")) {
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121 |
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122 | # We need to avoid umask propagation to the VE
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123 | umask 0022;
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124 |
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125 | # We can probably only get those params now we have the distro context
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126 | my ($rbsb4pi,$rbspi,$vesnap,$oscodename,$osmindep,$verebuild,$rbsmirrorsrv) = pb_conf_get_if("rbsb4pi","rbspi","vesnap","oscodename","osmindep","verebuild","rbsmirrorsrv");
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127 |
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128 | if (((((defined $verebuild) && ($verebuild->{$ENV{'PBPROJ'}} =~ /true/i)) || ($pbforce == 0)) && ($vetype ne "docker"))
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129 | # For docker we may have a reference image that we'll use
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130 | || (($vetype eq "docker") && ($pbforce == 0) && ((not defined $pbimage) || ($pbimage eq "")))) {
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131 |
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132 | my ($verpmtype,$vedebtype) = pb_conf_get("verpmtype","vedebtype");
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133 | my ($rbsopt1) = pb_conf_get_if("rbsopt");
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134 |
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135 | # We have to rebuild the chroot
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136 | if ($pbos->{'type'} eq "rpm") {
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137 |
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138 | # Which tool is used
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139 | my $verpmstyle = $verpmtype->{$ENV{'PBPROJ'}};
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140 | die "No verpmtype defined for $ENV{PBPROJ}" unless (defined $verpmstyle);
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141 |
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142 | # Get potential rbs option
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143 | my $rbsopt = "";
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144 | if (defined $rbsopt1) {
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145 | if (defined $rbsopt1->{$verpmstyle}) {
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146 | $rbsopt = $rbsopt1->{$verpmstyle};
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147 | } elsif (defined $rbsopt1->{$ENV{'PBPROJ'}}) {
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148 | $rbsopt = $rbsopt1->{$ENV{'PBPROJ'}};
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149 | } else {
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150 | $rbsopt = "";
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151 | }
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152 | }
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153 |
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154 | my $postinstall = pb_ve_get_postinstall($pbos,$rbspi,$verpmstyle);
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155 | if ($verpmstyle eq "rinse") {
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156 | # Need to reshape the mirrors generated with local before-post-install script
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157 | my $b4post = "--before-post-install ";
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158 | my $postparam = pb_distro_get_param($pbos,$rbsb4pi);
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159 | if ($postparam eq "") {
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160 | $b4post = "";
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161 | } else {
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162 | $b4post .= $postparam;
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163 | }
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164 |
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165 | # Need to reshape the package list for pb
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166 | my $addpkgs;
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167 | $postparam = "";
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168 | $postparam .= pb_distro_get_param($pbos,$osmindep);
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169 | if ($postparam eq "") {
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170 | $addpkgs = "";
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171 | } else {
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172 | my $pkgfile = "$ENV{'PBTMP'}/addpkgs.lis";
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173 | open(PKG,"> $pkgfile") || die "Unable to create $pkgfile";
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174 | foreach my $p (split(/,/,$postparam)) {
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175 | print PKG "$p\n";
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176 | }
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177 | close(PKG);
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178 | $addpkgs = "--add-pkg-list $pkgfile";
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179 | }
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180 |
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181 | my $rinseverb = "";
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182 | $rinseverb = "--verbose" if ($pbdebug gt 0);
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183 | my ($rbsconf) = pb_conf_get("rbsconf");
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184 |
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185 | my $command = pb_check_req("rinse",0);
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186 | pb_system("$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'} ($pbos->{'arch'})", "verbose");
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187 | } elsif ($verpmstyle eq "rpmbootstrap") {
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188 | my $rbsverb = "";
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189 | foreach my $i (1..$pbdebug) {
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190 | $rbsverb .= " -v";
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191 | }
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192 | my $addpkgs = "";
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193 | my $postparam = "";
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194 | $postparam .= pb_distro_get_param($pbos,$osmindep);
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195 | if ($postparam eq "") {
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196 | $addpkgs = "";
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197 | } else {
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198 | $addpkgs = "-a $postparam";
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199 | }
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200 | my $command = pb_check_req("rpmbootstrap",0);
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201 | pb_system("$sudocmd $command $rbsopt $postinstall $addpkgs $pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'} $rbsverb","Creating the rpmbootstrap VE for $pbos->{'name'}-$pbos->{'version'} ($pbos->{'arch'})", "verbose");
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202 | pb_system("$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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203 | } elsif ($verpmstyle eq "mock") {
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204 | my ($rbsconf) = pb_conf_get("rbsconf");
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205 | my $command = pb_check_req("mock",0);
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206 | pb_system("$sudocmd $command --init --resultdir=\"/tmp\" --configdir=\"$rbsconf->{$ENV{'PBPROJ'}}\" -r $v $rbsopt","Creating the mock VE for $pbos->{'name'}-$pbos->{'version'} ($pbos->{'arch'})");
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207 | # Once setup we need to install some packages, the pb account, ...
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208 | pb_system("$sudocmd $command --install --configdir=\"$rbsconf->{$ENV{'PBPROJ'}}\" -r $v su","Configuring the mock VE");
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209 | } else {
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210 | die "Unknown verpmtype type $verpmstyle. Report to dev team";
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211 | }
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212 | } elsif ($pbos->{'type'} eq "deb") {
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213 | my $vedebstyle = $vedebtype->{$ENV{'PBPROJ'}};
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214 |
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215 | my $codename = pb_distro_get_param($pbos,$oscodename);
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216 | my $postparam = "";
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217 | my $addpkgs;
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218 | $postparam .= pb_distro_get_param($pbos,$osmindep);
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219 | if ($postparam eq "") {
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220 | $addpkgs = "";
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221 | } else {
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222 | $addpkgs = "--include $postparam";
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223 | }
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224 | my $debmir = "";
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225 | $debmir .= pb_distro_get_param($pbos,$rbsmirrorsrv);
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226 |
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227 | # Get potential rbs option
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228 | my $rbsopt = "";
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229 | if (defined $rbsopt1) {
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230 | if (defined $rbsopt1->{$vedebstyle}) {
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231 | $rbsopt = $rbsopt1->{$vedebstyle};
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232 | } elsif (defined $rbsopt1->{$ENV{'PBPROJ'}}) {
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233 | $rbsopt = $rbsopt1->{$ENV{'PBPROJ'}};
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234 | } else {
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235 | $rbsopt = "";
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236 | }
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237 | }
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238 |
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239 | # debootstrap works with amd64 not x86_64
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240 | my $debarch = $pbos->{'arch'};
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241 | $debarch = "amd64" if ($pbos->{'arch'} eq "x86_64");
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242 | if ($vedebstyle eq "debootstrap") {
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243 | my $dbsverb = "";
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244 | $dbsverb = "--verbose" if ($pbdebug gt 0);
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245 |
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246 | # Some perl modules are in Universe on Ubuntu
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247 | $rbsopt .= " --components=main,universe" if ($pbos->{'name'} eq "ubuntu");
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248 |
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249 | my $cmd1 = pb_check_req("mkdir",0);
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250 | my $cmd2 = pb_check_req("debootstrap",0);
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251 | pb_system("$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'} ($pbos->{'arch'})", "verbose");
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252 | # debootstrap doesn't create an /etc/hosts file
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253 | if (! -f "$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}/etc/hosts" ) {
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254 | my $cmd = pb_check_req("cp",0);
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255 | pb_system("$sudocmd $cmd /etc/hosts $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}/etc/hosts");
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256 | }
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257 | } else {
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258 | die "Unknown vedebtype type $vedebstyle. Report to dev team";
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259 | }
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260 | } elsif ($pbos->{'type'} eq "ebuild") {
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261 | die "Please teach the dev team how to build gentoo chroot";
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262 | } else {
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263 | die "Unknown distribution type $pbos->{'type'}. Report to dev team";
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264 | }
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265 | }
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266 |
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267 | # Test if an existing snapshot exists and use it if appropriate
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268 | # And also use it if no local extracted VE is present
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269 | if ((-f "$root/$pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'}.tar.gz") &&
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270 | (((defined $vesnap->{$v}) && ($vesnap->{$v} =~ /true/i)) ||
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271 | ((defined $vesnap->{$ENV{'PBPROJ'}}) && ($vesnap->{$ENV{'PBPROJ'}} =~ /true/i))) &&
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272 | ($locsnap eq 1) &&
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273 | ($vetype ne "docker") &&
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274 | (! -d "$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}")) {
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275 | my $cmd1 = pb_check_req("rm",0);
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276 | my $cmd2 = pb_check_req("mkdir",0);
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277 | my $cmd3 = pb_check_req("tar",0);
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278 | pb_system("$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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279 | }
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280 |
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281 | if ($vetype ne "docker") {
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282 | # Fix modes to allow access to the VE for pb user
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283 | my $command = pb_check_req("chmod",0);
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284 | pb_system("$sudocmd $command 755 $root/$pbos->{'name'} $root/$pbos->{'name'}/$pbos->{'version'} $root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}","Fixing permissions");
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285 | }
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286 |
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287 | # If docker, create the image and remove the now temp dir except if we had one already
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288 | if (($vetype eq "docker") && ($pbforce == 0)) {
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289 | my $cmd1 = pb_check_req("docker",0);
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290 | # step 0 : nothing at creation -> tag n-v-a (made below)
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291 |
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292 | if ((not defined $pbimage) || ($pbimage eq "")) {
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293 | # Snaphot the VE to serve as an input for docker
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294 | pb_ve_snap($pbos,$root);
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295 | # Create the docker image from the previous bootstrap
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296 | # Need sudo to be able to create all files correctly
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297 | # TODO: check before that the image doesn't already exist in the docker registry
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298 |
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299 | my $pbimage = "$docrepo$pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'}";
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300 | pb_system("$sudocmd $cmd1 import - $pbimage < $root/$pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'}.tar.gz");
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301 | pb_system("$cmd1 push $pbimage");
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302 | } else {
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303 | # If we pass a parameter to -i, this is the name of an existing upstream image for that distro-ver-arch
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304 | # That container should then be setup correctly which may not be the case yet
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305 | #
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306 | # We can probably only get those params now we have the distro context
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307 | my ($osmindep) = pb_conf_get_if("osmindep");
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308 | my $pkgs = pb_distro_get_param($pbos,$osmindep);
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309 | $pkgs =~ s/,/ /g;
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310 | my $tmpd = "$ENV{'PBTMP'}/Dockerfile";
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311 | open(DOCKER, "> $tmpd") || die "Unable to create the docker file $tmpd";
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312 | print DOCKER "FROM $pbimage\n";
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313 | print DOCKER "MAINTAINER project-builder.org aka pb\n";
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314 | print DIOCKER "ENV ftp_proxy $ENV{ftp_proxy}\n" if (defined $ENV{ftp_proxy});
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315 | print DIOCKER "ENV http_proxy $ENV{http_proxy}\n" if (defined $ENV{http_proxy});
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316 | # We are root in that container so no need to sudo, which is present potentially
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317 | my $cmd2 = $pbos->{'install'};
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318 | $cmd2 =~ s/sudo //g;
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319 | print DOCKER "RUN $cmd2 $pkgs\n";
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320 | close(DOCKER);
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321 | pb_system("cd $ENV{'PBTMP'} ; $sudocmd $cmd1 build -t $docrepo$pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'} .","Installing dependencies $pkgs in Docker container $docrepo$pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'}");
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322 | unlink($tmpd);
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323 | }
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324 | }
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325 |
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326 | # Nothing more to do for VE. No real launch
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327 | } else {
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328 | die "VE of type $vetype not supported. Report to the dev team";
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329 | }
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330 | }
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331 |
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332 | #
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333 | # Return the postinstall line if needed
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334 | #
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335 |
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336 | sub pb_ve_get_postinstall {
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337 |
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338 | my $pbos = shift;
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339 | my $rbspi = shift;
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340 | my $vestyle = shift;
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341 | my $post = "";
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342 |
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343 | # Do we have a local post-install script
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344 | if ($vestyle eq "rinse") {
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345 | $post = "--post-install ";
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346 | } elsif ($vestyle eq "rpmbootstrap") {
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347 | $post = "-s ";
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348 | }
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349 |
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350 | my $postparam = pb_distro_get_param($pbos,$rbspi);
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351 | if ($postparam eq "") {
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352 | $post = "";
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353 | } else {
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354 | $post .= $postparam;
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355 | }
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356 | return($post);
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357 | }
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358 |
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359 | # Snapshot the VE
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360 | sub pb_ve_snap {
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361 |
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362 | my $pbos = shift;
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363 | my $root = shift;
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364 | my $tpdir = "$root/$pbos->{'name'}/$pbos->{'version'}/$pbos->{'arch'}";
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365 | pb_system("sudo tar cz -C $tpdir -f $root/$pbos->{'name'}-$pbos->{'version'}-$pbos->{'arch'}.tar.gz .","Creating a snapshot of $tpdir");
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366 | }
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367 |
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368 | # Returns the docker registry to interact with
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369 | sub pb_ve_docker_registry {
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370 |
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371 | my $dockerreg = shift;
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372 | my $wget = pb_check_req("wget",0);
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373 | my ($scheme, $account, $host, $port, $path) = pb_get_uri($dockerreg);
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374 | my $docreg = $scheme."://";
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375 | $docreg .= $account."@" if ((defined $account) && ($account ne ""));
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376 | $docreg .= $host;
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377 | $docreg .= ":$port" if ((defined $port) && ($port ne ""));
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378 | open(FD,"$wget $docreg -q -O -|") || die "Unable to talk to the docker registry $docreg";
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379 | my $found = undef;
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380 | while (<FD>) {
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381 | $found = 1 if (/docker-registry/);
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382 | }
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383 | close(FD);
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384 | die "No correct docker-registry answering at $docreg. Please check your configuration" if (not defined $found);
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385 | #
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386 | return($docreg);
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387 | }
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388 |
|
---|
389 | # Returns the docker repository to interact with
|
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390 | sub pb_ve_docker_repo {
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391 |
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392 | my $dockerreg = shift;
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393 | my $docrepo = "";
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394 | my ($scheme, $account, $host, $port, $path) = pb_get_uri($dockerreg);
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395 | $docrepo .= $host;
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396 | $docrepo .= ":$port" if ((defined $port) && ($port ne ""));
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397 | $docrepo .= "$path";
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398 | return($docrepo);
|
---|
399 | }
|
---|
400 |
|
---|
401 | sub pb_ve_docker_get_image {
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402 |
|
---|
403 | my $pbimage = shift;
|
---|
404 | my $found = 0;
|
---|
405 |
|
---|
406 | die "Unable to handle an undef docker image" if (not defined $pbimage);
|
---|
407 |
|
---|
408 | # Check that this docker image exists
|
---|
409 | my $cmd1 = pb_check_req("docker",0);
|
---|
410 | open(CMD, "$cmd1 images |") || die "Unable to get docker image list";
|
---|
411 | my ($repo, $tag, $id, $dummy);
|
---|
412 | while (<CMD>) {
|
---|
413 | ($repo, $tag, $id, $dummy) = split(/\s+/,$_,4);
|
---|
414 | $found = $id if ("$repo:$tag" eq $pbimage);
|
---|
415 | }
|
---|
416 | close(CMD);
|
---|
417 | return($found);
|
---|
418 | }
|
---|
419 |
|
---|
420 | sub pb_ve_get_type {
|
---|
421 |
|
---|
422 | my $vetype = shift;
|
---|
423 |
|
---|
424 | # Get VE context
|
---|
425 | if (not defined $vetype) {
|
---|
426 | my ($ptr) = pb_conf_get("vetype");
|
---|
427 | $vetype = $ptr->{$ENV{'PBPROJ'}};
|
---|
428 | }
|
---|
429 | confess "No vetype defined for $ENV{PBPROJ}" unless (defined $vetype);
|
---|
430 | pb_log(1, "Using vetype $vetype for $ENV{PBPROJ}\n");
|
---|
431 | return($vetype);
|
---|
432 | }
|
---|
433 |
|
---|
434 |
|
---|
435 | =head1 WEB SITES
|
---|
436 |
|
---|
437 | 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/>.
|
---|
438 |
|
---|
439 | =head1 USER MAILING LIST
|
---|
440 |
|
---|
441 | None exists for the moment.
|
---|
442 |
|
---|
443 | =head1 AUTHORS
|
---|
444 |
|
---|
445 | The Project-Builder.org team L<http://trac.project-builder.org/> lead by Bruno Cornec L<mailto:bruno@project-builder.org>.
|
---|
446 |
|
---|
447 | =head1 COPYRIGHT
|
---|
448 |
|
---|
449 | Project-Builder.org is distributed under the GPL v2.0 license
|
---|
450 | described in the file C<COPYING> included with the distribution.
|
---|
451 |
|
---|
452 | =cut
|
---|
453 |
|
---|
454 |
|
---|
455 | 1;
|
---|