1 | ###########################################################################
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2 | #
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3 | # solrbuilder.pm -- perl wrapper for building index with Solr
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4 | # A component of the Greenstone digital library software
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5 | # from the New Zealand Digital Library Project at the
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6 | # University of Waikato, New Zealand.
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7 | #
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8 | # Copyright (C) 1999 New Zealand Digital Library Project
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9 | #
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10 | # This program is free software; you can redistribute it and/or modify
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11 | # it under the terms of the GNU General Public License as published by
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12 | # the Free Software Foundation; either version 2 of the License, or
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13 | # (at your option) any later version.
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14 | #
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15 | # This program is distributed in the hope that it will be useful,
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16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | # GNU General Public License for more details.
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19 | #
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20 | # You should have received a copy of the GNU General Public License
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21 | # along with this program; if not, write to the Free Software
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22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | #
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24 | ###########################################################################
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25 |
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26 |
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27 | package solrbuilder;
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28 |
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29 | use strict;
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30 | no strict 'refs';
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31 |
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32 | use lucenebuilder;
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33 | use solrserver;
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34 | use Config; # for getting the perlpath in the recommended way
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35 |
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36 | sub BEGIN {
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37 | @solrbuilder::ISA = ('lucenebuilder');
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38 | }
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39 |
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40 |
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41 | sub new {
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42 | my $class = shift(@_);
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43 | my $self = new lucenebuilder (@_);
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44 | $self = bless $self, $class;
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45 |
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46 | $self->{'buildtype'} = "solr";
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47 |
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48 | my $solr_passes_script = "solr_passes.pl";
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49 |
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50 | $self->{'solr_passes'} = "$solr_passes_script";
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51 | # Tack perl on the beginning to ensure execution
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52 | $self->{'solr_passes_exe'} = "\"$Config{perlpath}\" -S \"$solr_passes_script\"";
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53 | return $self;
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54 | }
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55 |
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56 |
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57 | sub default_buildproc {
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58 | my $self = shift (@_);
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59 |
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60 | return "solrbuildproc";
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61 | }
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62 |
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63 | # This writes a nice version of the text docs
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64 | #
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65 | # Essentially the same as the lucenebuilder.pm version, only using solr_passes
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66 | # => refactor and make better use of inheritence
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67 | #
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68 | sub compress_text
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69 | {
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70 | my $self = shift (@_);
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71 | # do nothing if we don't want compressed text
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72 | return if $self->{'no_text'};
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73 |
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74 | my ($textindex) = @_;
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75 |
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76 | # workaround to avoid hard-coding "solr" check into buildcol.pl
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77 | $textindex =~ s/^section://;
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78 |
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79 | my $outhandle = $self->{'outhandle'};
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80 |
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81 | # the text directory
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82 | my $text_dir = &util::filename_cat($self->{'build_dir'}, "text");
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83 | my $build_dir = &util::filename_cat($self->{'build_dir'},"");
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84 | &util::mk_all_dir ($text_dir);
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85 |
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86 | my $osextra = "";
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87 | if ($ENV{'GSDLOS'} =~ /^windows$/i)
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88 | {
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89 | $text_dir =~ s@/@\\@g;
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90 | }
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91 | else
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92 | {
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93 | if ($outhandle ne "STDERR")
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94 | {
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95 | # so solr_passes doesn't print to stderr if we redirect output
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96 | $osextra .= " 2>/dev/null";
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97 | }
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98 | }
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99 |
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100 | # Find the perl script to call to run solr
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101 | my $solr_passes = $self->{'solr_passes'};
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102 | my $solr_passes_exe = $self->{'solr_passes_exe'};
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103 |
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104 | my $solr_passes_sections = "Doc";
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105 |
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106 | my ($handle);
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107 |
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108 | if ($self->{'debug'})
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109 | {
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110 | $handle = *STDOUT;
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111 | }
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112 | else
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113 | {
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114 | my $collection = $self->{'collection'};
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115 |
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116 | print STDERR "Executable: $solr_passes_exe\n";
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117 | print STDERR "Sections: $solr_passes_sections\n";
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118 | print STDERR "Build Dir: $build_dir\n";
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119 | print STDERR "Cmd: $solr_passes_exe $collection text dummy \"$build_dir\" \"dummy\" $osextra\n";
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120 | if (!open($handle, "| $solr_passes_exe $collection text dummy \"$build_dir\" \"dummy\" $osextra"))
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121 | {
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122 | print STDERR "<FatalError name='NoRunSolrPasses'/>\n</Stage>\n" if $self->{'gli'};
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123 | die "solrbuilder::build_index - couldn't run $solr_passes_exe\n$!\n";
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124 | }
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125 | }
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126 |
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127 | # stored text is always Doc and Sec levels
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128 | my $levels = { 'document' => 1, 'section' => 1 };
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129 | # always do database at section level
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130 | my $db_level = "section";
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131 |
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132 | # set up the document processr
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133 | $self->{'buildproc'}->set_output_handle ($handle);
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134 | $self->{'buildproc'}->set_mode ('text');
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135 | $self->{'buildproc'}->set_index ($textindex);
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136 | $self->{'buildproc'}->set_indexing_text (0);
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137 | #$self->{'buildproc'}->set_indexfieldmap ($self->{'indexfieldmap'});
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138 | $self->{'buildproc'}->set_levels ($levels);
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139 | $self->{'buildproc'}->set_db_level ($db_level);
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140 | $self->{'buildproc'}->reset();
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141 |
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142 | &plugin::begin($self->{'pluginfo'}, $self->{'source_dir'},
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143 | $self->{'buildproc'}, $self->{'maxdocs'});
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144 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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145 | "", {}, {}, $self->{'buildproc'}, $self->{'maxdocs'}, 0, $self->{'gli'});
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146 | &plugin::end($self->{'pluginfo'});
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147 |
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148 | close ($handle) unless $self->{'debug'};
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149 | $self->print_stats();
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150 |
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151 | print STDERR "</Stage>\n" if $self->{'gli'};
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152 | }
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153 |
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154 | #----
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155 |
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156 |
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157 |
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158 | sub filter_in_out_file
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159 | {
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160 | my ($in_filename,$out_filename,$replace_rules) = @_;
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161 |
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162 | if (open(SIN,"<$in_filename")) {
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163 |
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164 | if (open(SOUT,">$out_filename")) {
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165 |
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166 | my $line;
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167 | while (defined ($line=<SIN>)) {
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168 | chomp $line;
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169 |
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170 | my $done_insert = 0;
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171 | foreach my $rule (@$replace_rules) {
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172 | my $line_re = $rule->{'regexp'};
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173 | my $insert = $rule->{'insert'};
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174 |
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175 | if ($line =~ m/$line_re/) {
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176 | print SOUT $insert;
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177 | $done_insert = 1;
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178 | last;
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179 | }
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180 | }
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181 | if (!$done_insert) {
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182 | print SOUT "$line\n";;
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183 | }
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184 | }
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185 |
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186 | close(SOUT);
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187 | }
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188 | else {
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189 | print STDERR "Error: Failed to open $out_filename\n";
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190 | print STDERR " $!\n";
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191 | }
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192 |
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193 | close(SIN);
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194 | }
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195 | else {
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196 | print STDERR "Error: Failed to open $in_filename\n";
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197 | print STDERR " $!\n";
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198 | }
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199 |
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200 | }
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201 |
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202 | # Generate solr schema.xml file based on indexmapfield and other associated
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203 | # config files
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204 | #
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205 | # Unlike make_auxiliary_files(), this needs to be done up-front (rather
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206 | # than at the end) so the data-types in schema.xml are correctly set up
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207 | # prior to document content being pumped through solr_passes.pl
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208 |
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209 |
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210 | sub premake_solr_auxiliary_files
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211 | {
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212 | my $self = shift (@_);
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213 |
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214 | # Replace the following marker:
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215 | #
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216 | # <!-- ##GREENSTONE-FIELDS## -->
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217 | #
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218 | # with lines of the form:
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219 | #
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220 | # <field name="<field>" type="string" ... />
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221 | #
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222 | # for each <field> in 'indexfieldmap'
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223 |
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224 | my $schema_insert_xml = "";
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225 |
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226 | foreach my $ifm (@{$self->{'build_cfg'}->{'indexfieldmap'}}) {
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227 |
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228 | my ($field) = ($ifm =~ m/^.*->(.*)$/);
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229 |
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230 | # Need special case for Long/Lat
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231 | # ... but for now treat everything as of type string
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232 |
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233 | $schema_insert_xml .= " "; # indent
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234 | $schema_insert_xml .= "<field name=\"$field\" ";
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235 | $schema_insert_xml .= "type=\"string\" indexed=\"true\" ";
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236 | $schema_insert_xml .= "stored=\"false\" multiValued=\"true\" />\n";
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237 | }
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238 |
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239 | # just the one rule to date
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240 | my $insert_rules
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241 | = [ { 'regexp' => "^\\s*<!--\\s*##GREENSTONE-FIELDS##\\s*-->\\s*\$",
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242 | 'insert' => $schema_insert_xml } ];
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243 |
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244 | my $solr_home = $ENV{'GEXT_SOLR'};
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245 | my $in_dirname = &util::filename_cat($solr_home,"etc","conf");
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246 | my $schema_in_filename = &util::filename_cat($in_dirname,"schema.xml.in");
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247 |
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248 |
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249 | my $collect_home = $ENV{'GSDLCOLLECTDIR'};
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250 | my $out_dirname = &util::filename_cat($collect_home,"etc","conf");
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251 | my $schema_out_filename = &util::filename_cat($out_dirname,"schema.xml");
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252 |
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253 | # make sure output conf directory exists
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254 | if (!-d $out_dirname) {
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255 | &util::mk_dir($out_dirname);
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256 | }
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257 |
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258 | filter_in_out_file($schema_in_filename,$schema_out_filename,$insert_rules);
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259 |
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260 | # now do the same for solrconfig.xml, stopwords, ...
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261 | # these are simpler, as they currently do not need any filtering
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262 |
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263 | my @in_file_list = ( "solrconfig.xml", "stopwords.txt", "stopwords_en.txt",
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264 | "synonyms.txt", "protwords.txt" );
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265 |
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266 | foreach my $file ( @in_file_list ) {
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267 | my $in_filename = &util::filename_cat($in_dirname,$file.".in");
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268 | my $out_filename = &util::filename_cat($out_dirname,$file);
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269 | filter_in_out_file($in_filename,$out_filename,[]);
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270 | }
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271 | }
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272 |
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273 |
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274 | sub pre_build_indexes
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275 | {
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276 | my $self = shift (@_);
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277 | my ($indexname) = @_;
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278 | my $outhandle = $self->{'outhandle'};
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279 |
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280 | # If the Solr/Jetty server is not already running, the following starts
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281 | # it up, and only returns when the server is "reading and listening"
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282 |
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283 | my $solr_server = new solrserver();
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284 | $solr_server->start();
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285 | $self->{'solr_server'} = $solr_server;
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286 |
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287 | my $indexes = [];
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288 | if (defined $indexname && $indexname =~ /\w/) {
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289 | push @$indexes, $indexname;
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290 | } else {
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291 | $indexes = $self->{'collect_cfg'}->{'indexes'};
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292 | }
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293 |
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294 | # skip para-level check, as this is done in the main 'build_indexes'
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295 | # routine
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296 |
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297 | my $all_metadata_specified = 0; # has the user added a 'metadata' index?
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298 | my $allfields_index = 0; # do we have an allfields index?
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299 |
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300 | # Using a hashmap here would duplications, but while more space
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301 | # efficient, it's not entirely clear it would be more computationally
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302 | # efficient
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303 | my @all_fields = ();
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304 |
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305 | foreach my $index (@$indexes) {
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306 | if ($self->want_built($index)) {
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307 |
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308 | # get the parameters for the output
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309 | # split on : just in case there is subcoll and lang stuff
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310 | my ($fields) = split (/:/, $index);
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311 |
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312 | foreach my $field (split (/;/, $fields)) {
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313 | if ($field eq "metadata") {
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314 | $all_metadata_specified = 1;
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315 | }
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316 | else {
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317 | push(@all_fields,$field);
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318 | }
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319 | }
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320 | }
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321 | }
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322 |
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323 | if ($all_metadata_specified) {
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324 |
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325 | # (Unforunately) we need to process all the documents in the collection
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326 | # to figure out what the metadata_field_mapping is
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327 |
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328 | # set up the document processr
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329 | $self->{'buildproc'}->set_output_handle (undef);
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330 | $self->{'buildproc'}->set_mode ('index_field_mapping');
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331 | $self->{'buildproc'}->reset();
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332 |
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333 | &plugin::begin($self->{'pluginfo'}, $self->{'source_dir'},
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334 | $self->{'buildproc'}, $self->{'maxdocs'});
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335 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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336 | "", {}, {}, $self->{'buildproc'}, $self->{'maxdocs'}, 0, $self->{'gli'});
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337 | &plugin::end($self->{'pluginfo'});
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338 |
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339 | }
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340 |
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341 | else {
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342 | # Field mapping solely dependent of entries in 'indexes'
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343 |
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344 | # No need to explicitly handle "allfields" as create_shortname()
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345 | # will get a fix on it through it's static_indexfield_map
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346 |
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347 | my $buildproc = $self->{'buildproc'};
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348 |
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349 | foreach my $field (@all_fields) {
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350 | if (!defined $buildproc->{'indexfieldmap'}->{$field}) {
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351 | my $shortname = $buildproc->create_shortname($field);
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352 | $buildproc->{'indexfieldmap'}->{$field} = $shortname;
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353 | $buildproc->{'indexfieldmap'}->{$shortname} = 1;
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354 | }
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355 | }
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356 | }
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357 |
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358 | # Write out solr 'schema.xml' (and related) file
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359 | #
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360 | $self->make_final_field_list();
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361 | $self->premake_solr_auxiliary_files();
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362 |
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363 | # Now update the solr-core information in solr.xml
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364 | # => at most two cores <colname>-Doc and <colname>-Sec
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365 |
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366 | my $collection = $self->{'collection'};
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367 |
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368 | # my $idx = $self->{'index_mapping'}->{$index};
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369 | my $idx = "idx";
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370 |
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371 | foreach my $level (keys %{$self->{'levels'}}) {
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372 |
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373 | my ($pindex) = $level =~ /^(.)/;
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374 |
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375 | ## my $llevel = $mgppbuilder::level_map{$level};
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376 | ## my $core = $collection."-".lc($llevel);
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377 |
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378 | my $core = $collection."-".$pindex.$idx;
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379 |
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380 | # if collect==core already in solr.xml (check with STATUS)
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381 | # => use RELOAD call to refresh fields now expressed in schema.xml
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382 | #
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383 | # else
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384 | # => use CREATE API to add to solr.xml
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385 |
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386 | my $check_core_exists = $solr_server->admin_ping_core($core);
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387 |
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388 | if ($check_core_exists) {
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389 | print $outhandle "Reloading Solr core: $core\n";
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390 | $solr_server->admin_reload_core($core);
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391 | }
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392 | else {
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393 | print $outhandle "Creating Solr core: $core\n";
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394 | $solr_server->admin_create_core($core);
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395 | }
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396 | }
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397 |
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398 | }
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399 |
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400 | # Essentially the same as the lucenebuilder.pm version, only using solr_passes
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401 | # => refactor and make better use of inheritence
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402 |
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403 | sub build_index {
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404 | my $self = shift (@_);
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405 | my ($index,$llevel) = @_;
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406 | my $outhandle = $self->{'outhandle'};
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407 | my $build_dir = $self->{'build_dir'};
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408 |
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409 | # get the full index directory path and make sure it exists
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410 | my $indexdir = $self->{'index_mapping'}->{$index};
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411 | &util::mk_all_dir (&util::filename_cat($build_dir, $indexdir));
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412 |
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413 | # Find the perl script to call to run solr
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414 | my $solr_passes = $self->{'solr_passes'};
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415 | my $solr_passes_exe = $self->{'solr_passes_exe'};
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416 |
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417 | # define the section names for solrpasses
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418 | # define the section names and possibly the doc name for solrpasses
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419 | my $solr_passes_sections = $llevel;
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420 |
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421 | my $opt_create_index = ($self->{'incremental'}) ? "" : "-removeold";
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422 |
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423 | my $osextra = "";
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424 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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425 | $build_dir =~ s@/@\\@g;
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426 | } else {
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427 | if ($outhandle ne "STDERR") {
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428 | # so solr_passes doesn't print to stderr if we redirect output
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429 | $osextra .= " 2>/dev/null";
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430 | }
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431 | }
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432 |
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433 | # get the index expression if this index belongs
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434 | # to a subcollection
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435 | my $indexexparr = [];
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436 | my $langarr = [];
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437 |
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438 | # there may be subcollection info, and language info.
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439 | my ($fields, $subcollection, $language) = split (":", $index);
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440 | my @subcollections = ();
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441 | @subcollections = split /,/, $subcollection if (defined $subcollection);
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442 |
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443 | foreach $subcollection (@subcollections) {
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444 | if (defined ($self->{'collect_cfg'}->{'subcollection'}->{$subcollection})) {
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445 | push (@$indexexparr, $self->{'collect_cfg'}->{'subcollection'}->{$subcollection});
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446 | }
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447 | }
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448 |
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449 | # add expressions for languages if this index belongs to
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450 | # a language subcollection - only put languages expressions for the
|
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451 | # ones we want in the index
|
---|
452 | my @languages = ();
|
---|
453 | my $languagemetadata = "Language";
|
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454 | if (defined ($self->{'collect_cfg'}->{'languagemetadata'})) {
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455 | $languagemetadata = $self->{'collect_cfg'}->{'languagemetadata'};
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456 | }
|
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457 | @languages = split /,/, $language if (defined $language);
|
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458 | foreach my $language (@languages) {
|
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459 | my $not=0;
|
---|
460 | if ($language =~ s/^\!//) {
|
---|
461 | $not = 1;
|
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462 | }
|
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463 | if($not) {
|
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464 | push (@$langarr, "!$language");
|
---|
465 | } else {
|
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466 | push (@$langarr, "$language");
|
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467 | }
|
---|
468 | }
|
---|
469 |
|
---|
470 | # Build index dictionary. Uses verbatim stem method
|
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471 | print $outhandle "\n creating index dictionary (solr_passes -I1)\n" if ($self->{'verbosity'} >= 1);
|
---|
472 | print STDERR "<Phase name='CreatingIndexDic'/>\n" if $self->{'gli'};
|
---|
473 | my ($handle);
|
---|
474 |
|
---|
475 | if ($self->{'debug'}) {
|
---|
476 | $handle = *STDOUT;
|
---|
477 | } else {
|
---|
478 | my $collection = $self->{'collection'};
|
---|
479 | my $ds_idx = $self->{'index_mapping'}->{$index};
|
---|
480 |
|
---|
481 | print STDERR "Cmd: $solr_passes_exe $opt_create_index $collection index $ds_idx \"$build_dir\" \"$indexdir\" $osextra\n";
|
---|
482 | if (!open($handle, "| $solr_passes_exe $opt_create_index $collection index $ds_idx \"$build_dir\" \"$indexdir\" $osextra")) {
|
---|
483 | print STDERR "<FatalError name='NoRunSolrPasses'/>\n</Stage>\n" if $self->{'gli'};
|
---|
484 | die "solrbuilder::build_index - couldn't run $solr_passes_exe\n!$\n";
|
---|
485 | }
|
---|
486 | }
|
---|
487 |
|
---|
488 | my $store_levels = $self->{'levels'};
|
---|
489 | my $db_level = "section"; #always
|
---|
490 | my $dom_level = "";
|
---|
491 | foreach my $key (keys %$store_levels) {
|
---|
492 | if ($mgppbuilder::level_map{$key} eq $llevel) {
|
---|
493 | $dom_level = $key;
|
---|
494 | }
|
---|
495 | }
|
---|
496 | if ($dom_level eq "") {
|
---|
497 | print STDERR "Warning: unrecognized tag level $llevel\n";
|
---|
498 | $dom_level = "document";
|
---|
499 | }
|
---|
500 |
|
---|
501 | my $local_levels = { $dom_level => 1 }; # work on one level at a time
|
---|
502 |
|
---|
503 | # set up the document processr
|
---|
504 | $self->{'buildproc'}->set_output_handle ($handle);
|
---|
505 | $self->{'buildproc'}->set_mode ('text');
|
---|
506 | $self->{'buildproc'}->set_index ($index, $indexexparr);
|
---|
507 | $self->{'buildproc'}->set_index_languages ($languagemetadata, $langarr) if (defined $language);
|
---|
508 | $self->{'buildproc'}->set_indexing_text (1);
|
---|
509 | #$self->{'buildproc'}->set_indexfieldmap ($self->{'indexfieldmap'});
|
---|
510 | $self->{'buildproc'}->set_levels ($local_levels);
|
---|
511 | $self->{'buildproc'}->set_db_level($db_level);
|
---|
512 | $self->{'buildproc'}->reset();
|
---|
513 |
|
---|
514 | print $handle "<update>\n";
|
---|
515 |
|
---|
516 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
---|
517 | "", {}, {}, $self->{'buildproc'}, $self->{'maxdocs'}, 0, $self->{'gli'});
|
---|
518 |
|
---|
519 |
|
---|
520 | print $handle "</update>\n";
|
---|
521 |
|
---|
522 | close ($handle) unless $self->{'debug'};
|
---|
523 |
|
---|
524 | $self->print_stats();
|
---|
525 |
|
---|
526 | $self->{'buildproc'}->set_levels ($store_levels);
|
---|
527 | print STDERR "</Stage>\n" if $self->{'gli'};
|
---|
528 |
|
---|
529 | }
|
---|
530 |
|
---|
531 |
|
---|
532 | sub post_build_indexes {
|
---|
533 | my $self = shift(@_);
|
---|
534 |
|
---|
535 | # deliberately override to prevent the mgpp post_build_index() calling
|
---|
536 | # $self->make_final_field_list()
|
---|
537 | # as this has been done in our pre_build_indexes() phase for solr
|
---|
538 |
|
---|
539 |
|
---|
540 | # Also need to stop the Solr/jetty server if it was explicitly started
|
---|
541 | # in pre_build_indexes()
|
---|
542 |
|
---|
543 | my $solr_server = $self->{'solr_server'};
|
---|
544 |
|
---|
545 | if ($solr_server->explicitly_started()) {
|
---|
546 | $solr_server->stop();
|
---|
547 | }
|
---|
548 |
|
---|
549 | $self->{'solr_server'} = undef;
|
---|
550 |
|
---|
551 | }
|
---|
552 |
|
---|
553 |
|
---|
554 | 1;
|
---|
555 |
|
---|
556 |
|
---|