| 1 | #!/usr/bin/perl -w
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| 2 |
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| 3 | ###########################################################################
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| 4 | #
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| 5 | # activate.pl -- to be called after building a collection to activate it.
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| 6 | #
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| 7 | # A component of the Greenstone digital library software
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| 8 | # from the New Zealand Digital Library Project at the
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| 9 | # University of Waikato, New Zealand.
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| 10 | #
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| 11 | # Copyright (C) 2009 New Zealand Digital Library Project
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| 12 | #
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| 13 | # This program is free software; you can redistribute it and/or modify
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| 14 | # it under the terms of the GNU General Public License as published by
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| 15 | # the Free Software Foundation; either version 2 of the License, or
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| 16 | # (at your option) any later version.
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| 17 | #
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| 18 | # This program is distributed in the hope that it will be useful,
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| 19 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 20 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 21 | # GNU General Public License for more details.
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| 22 | #
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| 23 | # You should have received a copy of the GNU General Public License
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| 24 | # along with this program; if not, write to the Free Software
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| 25 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 26 | #
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| 27 | ###########################################################################
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| 28 |
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| 29 |
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| 30 | # This program is designed to support the building process of Greenstone.
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| 31 | # It deactivates the collection just built, if the web server is running
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| 32 | # and is a persistent web server (or if the library_URL provided as
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| 33 | # parameter to this script is of a currently running web server). It then
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| 34 | # moves building to index, before activating the collection on the GS2 or
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| 35 | # GS3 web server again if necessary.
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| 36 |
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| 37 | use Config;
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| 38 |
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| 39 | BEGIN {
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| 40 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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| 41 | die "GSDLOS not set\n" unless defined $ENV{'GSDLOS'};
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| 42 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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| 43 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan");
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| 44 |
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| 45 | # Adding cpan in, adds in its auto subfolder which conflicts with ActivePerl on Windows
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| 46 | # The auto folder has been moved into a perl-5.8 folder, and this will now be included
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| 47 | # only if the current version of perl is 5.8 (and not ActivePerl).
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| 48 | my $perl_dir;
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| 49 |
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| 50 | # Note: $] encodes the version number of perl
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| 51 | if ($]>=5.010) {
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| 52 | $perl_dir="perl-5.".substr($],3,2);
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| 53 | }
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| 54 | elsif ($]>5.008) {
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| 55 | # perl 5.8.1 or above
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| 56 | $perl_dir = "perl-5.8";
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| 57 | }
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| 58 | elsif ($]>=5.008) {
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| 59 | # perl 5.8.1 or above
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| 60 | $perl_dir = "perl-5.8";
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| 61 | }
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| 62 | elsif ($]<5.008) {
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| 63 | # assume perl 5.6
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| 64 | $perl_dir = "perl-5.6";
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| 65 | }
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| 66 | else {
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| 67 | print STDERR "Warning: Perl 5.8.0 is not a maintained release.\n";
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| 68 | print STDERR " Please upgrade to a newer version of Perl.\n";
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| 69 | $perl_dir = "perl-5.8";
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| 70 | }
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| 71 |
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| 72 | #if ($ENV{'GSDLOS'} !~ /^windows$/i) {
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| 73 | # Use push to put this on the end, so an existing XML::Parser will be used by default
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| 74 | if (-d "$ENV{'GSDLHOME'}/perllib/cpan/$perl_dir-mt" && $Config{usethreads}){
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| 75 | push (@INC, "$ENV{'GSDLHOME'}/perllib/cpan/$perl_dir-mt");
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| 76 | }
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| 77 | else{
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| 78 | push (@INC, "$ENV{'GSDLHOME'}/perllib/cpan/$perl_dir");
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| 79 | }
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| 80 | #}
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| 81 |
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| 82 | }
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| 83 |
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| 84 |
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| 85 | use strict;
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| 86 | no strict 'refs'; # allow filehandles to be variables and vice versa
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| 87 | no strict 'subs'; # allow barewords (eg STDERR) as function arguments
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| 88 |
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| 89 | use File::Basename;
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| 90 | use File::Find;
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| 91 |
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| 92 | # Greenstone modules
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| 93 | use colcfg;
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| 94 | use oaiinfo;
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| 95 | use scriptutil;
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| 96 | use servercontrol;
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| 97 | use util;
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| 98 |
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| 99 |
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| 100 | # Most of the arguments are familiar from the building scripts like buildcol.pl
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| 101 | # The special optional argument -library_url is for when we're dealing with a web
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| 102 | # library server such as an apache that's separate from any included with GS2.
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| 103 | # In such a case, this script's caller should pass in -library_url <URL>.
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| 104 | #
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| 105 | # $site argument must be specified in the cmdline for collectionConfig.xml to get
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| 106 | # generated which makes $gs_mode=gs3, else collect.cfg gets generated and $gs_mode=gs2
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| 107 | sub main
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| 108 | {
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| 109 | my ($argc,@argv) = @_;
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| 110 |
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| 111 | if (($argc==0) || (($argc==1) && ($argv[0] =~ m/^--?h(elp)?$/))) {
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| 112 | my ($progname) = ($0 =~ m/^.*[\/|\\](.*?)$/);
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| 113 |
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| 114 |
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| 115 | print STDERR "\n";
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| 116 | print STDERR "Usage: $progname [-collectdir c -builddir b -indexdir i -site s -skipactivation -removeold -keepold -incremental -verbosity v\n";
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| 117 | print STDERR "\t-library_url URL -library_name n] <[colgroup/]collection>\n";
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| 118 | print STDERR "\n";
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| 119 |
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| 120 | exit(-1);
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| 121 | }
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| 122 |
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| 123 | # http://stackoverflow.com/questions/6156742/how-can-i-capture-the-complete-commandline-in-perl
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| 124 | #print STDERR "@@@@@@@@@ ACTIVATE CMD: " . join " ", $0, @ARGV . "\n";
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| 125 |
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| 126 | # get the collection details
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| 127 | my $qualified_collection = pop @argv; # qualified collection
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| 128 |
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| 129 | my $collect_dir = undef; #"collect"; # can't be "collect" when only -site is provided for GS3
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| 130 | my $build_dir = undef;
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| 131 | my $index_dir = undef;
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| 132 | my $site = undef;
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| 133 |
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| 134 | # if run from server (java code), it will handle deactivation and activation to prevent open file handles when java launches this script and exits:
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| 135 | my $skipactivation = 0;
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| 136 | my $removeold = 0;
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| 137 | my $keepold = 0;
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| 138 | my $incremental = 0; # used by solr
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| 139 |
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| 140 | my $default_verbosity = 2;
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| 141 |
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| 142 | my $library_url = undef; # to be specified on the cmdline if not using a GS-included web server
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| 143 | # the GSDL_LIBRARY_URL env var is useful when running cmdline buildcol.pl in the linux package manager versions of GS3
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| 144 |
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| 145 | my $library_name = undef;
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| 146 |
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| 147 | while (my $arg = shift @argv) {
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| 148 | if ($arg eq "-collectdir") {
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| 149 | $collect_dir = shift @argv;
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| 150 | }
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| 151 | elsif ($arg eq "-builddir") {
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| 152 | $build_dir = shift @argv;
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| 153 | }
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| 154 | elsif ($arg eq "-indexdir") {
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| 155 | $index_dir = shift @argv;
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| 156 | }
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| 157 | elsif ($arg eq "-site") {
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| 158 | $site = shift @argv;
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| 159 | }
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| 160 | elsif ($arg eq "-skipactivation") {
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| 161 | $skipactivation = 1;
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| 162 | }
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| 163 | elsif ($arg eq "-removeold") {
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| 164 | $removeold = 1;
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| 165 | }
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| 166 | elsif ($arg eq "-keepold") {
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| 167 | $keepold = 1;
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| 168 | }
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| 169 | elsif ($arg eq "-incremental") {
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| 170 | $incremental = 1;
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| 171 | }
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| 172 | elsif ($arg eq "-library_url") {
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| 173 | $library_url = shift @argv;
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| 174 | }
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| 175 | elsif ($arg eq "-library_name") {
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| 176 | $library_name = shift @argv;
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| 177 | }
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| 178 | elsif ($arg eq "-verbosity") {
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| 179 | $default_verbosity = shift @argv; # global variable
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| 180 |
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| 181 | # ensure we're working with ints not strings (int context not str context), in case verbosity=0
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| 182 | # http://stackoverflow.com/questions/288900/how-can-i-convert-a-string-to-a-number-in-perl
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| 183 | $default_verbosity = int($default_verbosity || 0); ### is this the best way?
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| 184 | }
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| 185 | }
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| 186 |
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| 187 | ## shortcut - if gsdl3srchome is set, and site is not set, set site to localsite
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| 188 | ## But need to check gsdl3srchome not empty even if defined, as that can
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| 189 | ## happen when nightly diffcol is run and doesn't mean it's a GS3 install
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| 190 | if (defined $ENV{'GSDL3SRCHOME'} && $ENV{'GSDL3SRCHOME'} ne "") {
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| 191 | if (!defined $site || $site eq "") {
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| 192 | $site = "localsite";
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| 193 | print STDERR "setting site to localsite as GSDL3SRCHOME was set\n";
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| 194 | }
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| 195 | }
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| 196 | # work out the building and index dirs
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| 197 | my $collection_dir = &util::resolve_collection_dir($collect_dir, $qualified_collection, $site);
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| 198 | $build_dir = &FileUtils::filenameConcatenate($collection_dir, "building") unless (defined $build_dir);
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| 199 | $index_dir = &FileUtils::filenameConcatenate($collection_dir, "index") unless (defined $index_dir);
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| 200 | my $solr_conf_dir = &FileUtils::filenameConcatenate($collection_dir, "etc", "conf");
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| 201 |
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| 202 | my $gsserver = new servercontrol($qualified_collection, $site, $default_verbosity, $build_dir, $index_dir, $collect_dir, $library_url, $library_name);
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| 203 |
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| 204 | $gsserver->print_task_msg("Running Collection Activation Stage");
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| 205 |
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| 206 | # get and check the collection name
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| 207 | if ((&colcfg::use_collection($site, $qualified_collection, $collect_dir)) eq "") {
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| 208 | $gsserver->print_msg("Unable to use collection \"$qualified_collection\" within \"$collect_dir\"\n");
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| 209 | exit -1;
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| 210 | }
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| 211 |
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| 212 | # Read in the collection configuration file.
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| 213 | # Beware: Only if $site is specified in the cmdline does collectionConfig.xml get
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| 214 | # generated and does $gs_mode=gs3, else collect.cfg gets generated and $gs_mode=gs2
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| 215 | my $gs_mode = $gsserver->{'gs_mode'}; # "gs2" or "gs3", based on $site variable
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| 216 |
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| 217 | my $collect_cfg_filename = &colcfg::get_collect_cfg_name(STDERR, $gs_mode);
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| 218 | my $collectcfg = &colcfg::read_collection_cfg ($collect_cfg_filename,$gs_mode);
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| 219 |
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| 220 | # look for build.cfg/buildConfig.xml
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| 221 | my $build_cfg_filename ="";
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| 222 |
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| 223 | if ($gs_mode eq "gs2") {
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| 224 | $build_cfg_filename = &FileUtils::filenameConcatenate($build_dir,"build.cfg");
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| 225 | } else {
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| 226 | $build_cfg_filename = &FileUtils::filenameConcatenate($build_dir, "buildConfig.xml");
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| 227 | # gs_mode is GS3. Set the site now if this was not specified as cmdline argument
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| 228 | #$site = "localsite" unless defined $site;
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| 229 | }
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| 230 |
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| 231 | # We need to know the buildtype for Solr.
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| 232 | # Any change of indexers is already detected and handled by the calling code (buildcol or
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| 233 | # full-rebuild), so that at this stage the config file's buildtype reflects the actual buildtype.
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| 234 |
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| 235 | # From buildcol.pl we use searchtype for determining buildtype, but for old versions, use buildtype
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| 236 | my $buildtype;
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| 237 | if (defined $collectcfg->{'buildtype'}) {
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| 238 | $buildtype = $collectcfg->{'buildtype'};
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| 239 | } elsif (defined $collectcfg->{'searchtypes'} || defined $collectcfg->{'searchtype'}) {
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| 240 | $buildtype = "mgpp";
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| 241 | } else {
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| 242 | $buildtype = "mg"; #mg is the default
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| 243 | }
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| 244 |
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| 245 | # can't do anything without a build directory with something in it to move into index
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| 246 | # Except if we're (doing incremental) building for solr, where we want to still
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| 247 | # activate and deactivate collections including for the incremental case
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| 248 |
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| 249 | if(!$incremental) { # if (!($incremental && ($build_dir eq $index_dir)))
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| 250 |
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| 251 | if(!&FileUtils::directoryExists($build_dir)) {
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| 252 | $gsserver->print_msg("No building folder at $build_dir to move to index.\n");
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| 253 | exit -1 unless ($buildtype eq "solr"); #&& $incremental);
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| 254 | } elsif (&FileUtils::isDirectoryEmpty($build_dir)) {
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| 255 | $gsserver->print_msg("Nothing in building folder $build_dir to move into index folder.\n");
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| 256 | exit -1 unless ($buildtype eq "solr"); #&& $incremental);
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| 257 | }
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| 258 | }
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| 259 |
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| 260 | # Now the logic in GLI's CollectionManager.java (processComplete()
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| 261 | # and installCollection()) and Gatherer.configGS3Server().
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| 262 |
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| 263 | # 1. Get library URL
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| 264 | # CollectionManager's installCollection phase in GLI:
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| 265 | # 2. Ping the library URL, and if it's a persistent server and running, release the collection
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| 266 | $gsserver->do_deactivate() unless $skipactivation;
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| 267 |
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| 268 | # solr core reloading - previously for incremental building, the solr core is unloaded and created
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| 269 | # - why is this? Does this actually need to happen? The following assumes that we *do* want to
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| 270 | # unload and create the core even if incremental building
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| 271 |
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| 272 | # solr deactivation. Are we a solr collection? unload any cores that are
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| 273 | # present for this collection
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| 274 | # If we are not a solr collection, is there etc/solr/conf?
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| 275 | # if so, we were a solr collection previously, need to unload cores.
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| 276 | # in both cases, we attempt to unload didx and sidx cores, as well
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| 277 | # as both building cores
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| 278 |
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| 279 | my $collection_was_previously_solr = 0;
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| 280 | if ($buildtype ne "solr" && FileUtils::directoryExists($solr_conf_dir)) {
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| 281 | $collection_was_previously_solr = 1;
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| 282 | }
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| 283 |
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| 284 | # 2b. If we're working with a solr collection, then start up the solrserver now and unload
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| 285 | # any cores that may exist for this collection (building and index cores)
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| 286 | my $solr_server;
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| 287 | my @corenames = ();
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| 288 | my @all_cores = ();
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| 289 | my $core_basename = "";
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| 290 |
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| 291 | # for unloading, lets try unloading both didx and sidx as these may have
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| 292 | # both been there previously, and if the user removed one in the config file
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| 293 | # we won't know that.
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| 294 | if($buildtype eq "solr" || $collection_was_previously_solr) {
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| 295 |
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| 296 | my $solr_ext = $ENV{'GEXT_SOLR'}; # from solr_passes.pl
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| 297 | unshift (@INC, "$solr_ext/perllib");
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| 298 | require solrserver;
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| 299 |
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| 300 | # Solr cores are named without taking the collection-group name into account, since solr
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| 301 | # is used for GS3 and GS3 doesn't use collection groups but has the site concept instead
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| 302 | my ($colname, $colgroup) = &util::get_collection_parts($qualified_collection);
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| 303 | $core_basename = "$site-$colname";
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| 304 | # all_cores contains both sidx and didx
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| 305 | @all_cores = ("$core_basename-didx", "$core_basename-sidx");
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| 306 |
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| 307 | # If the Solr server is not already running, the following starts
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| 308 | # it up, and only returns when the server is "ready and listening"
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| 309 | $solr_server = new solrserver($build_dir);
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| 310 | $solr_server->start();
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| 311 |
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| 312 | # unload all the possible cores
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| 313 | foreach my $corename (@all_cores) {
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| 314 | $solr_server->admin_unload_core("$corename") if ($solr_server->admin_ping_core("$corename"));
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| 315 | $solr_server->admin_unload_core("building-$corename") if ($solr_server->admin_ping_core("building-$corename"));
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| 316 | }
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| 317 |
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| 318 | # tidy up other files if we were solr but are not anymore
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| 319 | if ($collection_was_previously_solr) {
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| 320 | # regenerate the solr.xml.in file to reflect the changes to cores
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| 321 | $solr_server->solr_xml_to_solr_xml_in();
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| 322 | # we are finished with solrserver now, stop it if necessary
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| 323 | if ($solr_server->explicitly_started()) {
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| 324 | $solr_server->stop();
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| 325 | }
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| 326 | # lets delete the conf folder as we are no longer solr
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| 327 | &FileUtils::removeFilesRecursive($solr_conf_dir);
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| 328 | }
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| 329 |
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| 330 | }
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| 331 |
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| 332 | # 3. Do all the moving building to index stuff now
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| 333 |
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| 334 | # If removeold: replace index dir with building dir.
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| 335 | # If keepold: move building's contents into index, where only duplicates will get deleted.
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| 336 | # removeold and keepold can't both be on at the same time
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| 337 | # incremental becomes relevant for solr, though it was irrelevant to what activate.pl does
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| 338 | # (moving building to index)
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| 339 | my $incremental_mode;
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| 340 | ($removeold, $keepold, $incremental, $incremental_mode) = &scriptutil::check_removeold_and_keepold($removeold, $keepold, $incremental, $index_dir, $collectcfg);
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| 341 |
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| 342 | if($removeold) {
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| 343 |
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| 344 | if(&FileUtils::directoryExists($index_dir)) {
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| 345 | $gsserver->print_task_msg("Removing \"index\"");
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| 346 |
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| 347 | &FileUtils::removeFilesRecursive($index_dir);
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| 348 |
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| 349 | # Wait for a couple of seconds, just for luck
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| 350 | sleep 2;
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| 351 |
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| 352 | if (&FileUtils::directoryExists($index_dir)) {
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| 353 | $gsserver->print_msg("The index directory $index_dir could not be deleted.\n"); # CollectionManager.Index_Not_Deleted
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| 354 | }
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| 355 | }
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| 356 |
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| 357 | # Move the building directory to become the new index directory
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| 358 | $gsserver->print_task_msg("Moving \"building\" -> \"index\"");
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| 359 | &FileUtils::moveFiles($build_dir, $index_dir);
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| 360 | if(&FileUtils::directoryExists($build_dir) || !&FileUtils::directoryExists($index_dir)) {
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| 361 | $gsserver->print_msg("Could not move $build_dir to $index_dir.\n"); # CollectionManager.Build_Not_Moved
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| 362 | }
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| 363 | }
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| 364 |
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| 365 | elsif ($keepold || $incremental) {
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| 366 |
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| 367 | if($build_dir eq $index_dir) { # building_dir can have been set to "index" folder, see incremental-buildcol.pl
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| 368 | $gsserver->print_task_msg("building folder is index folder, not moving");
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| 369 | } else {
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| 370 | # Copy just the contents of building dir into the index dir, overwriting
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| 371 | # existing files, but don't replace index with building.
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| 372 | $gsserver->print_task_msg("Moving \"building\" -> \"index\"");
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| 373 | &FileUtils::moveDirectoryContents($build_dir, $index_dir);
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| 374 | }
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| 375 | }
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| 376 |
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| 377 |
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| 378 | # now we've moved building to index, move tmp oaidb to live oaidb in parallel
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| 379 | my $oai_info = new oaiinfo($collect_cfg_filename, $collectcfg->{'infodbtype'}, $default_verbosity);
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| 380 | $oai_info->activate_collection();
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| 381 |
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| 382 |
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| 383 | if ($buildtype eq "solr") {
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| 384 | # Call CREATE action to get the old cores pointing to the index folder
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| 385 | # -- any building or index cores have been unloaded already
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| 386 | # -- load up the new one
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| 387 |
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| 388 | # generate actual core names
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| 389 | foreach my $level ( @{$collectcfg->{'levels'}} ){
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| 390 | my ($pindex) = $level =~ /^(.)/;
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| 391 | my $indexname = $pindex."idx";
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| 392 | push(@corenames, "$core_basename-$indexname");
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| 393 | }
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| 394 |
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| 395 | foreach my $corename (@corenames) {
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| 396 | $solr_server->admin_create_core($corename, $index_dir);
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| 397 | }
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| 398 |
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| 399 | # regenerate the solr.xml.in from solr.xml in case we are working off a dvd.
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| 400 | $solr_server->solr_xml_to_solr_xml_in();
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| 401 | # stop the server if necessary
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| 402 | if ($solr_server->explicitly_started()) {
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| 403 | $solr_server->stop();
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| 404 | }
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| 405 |
|
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| 406 | }
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| 407 |
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| 408 |
|
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| 409 | # 4. Ping the library URL, and if it's a persistent server and running, activate the collection again
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| 410 |
|
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| 411 | # Check for success: if building does not exist OR is empty OR if building is index (in which case there was no move)
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| 412 | if($build_dir eq $index_dir || !&FileUtils::directoryExists($build_dir) || &FileUtils::isDirectoryEmpty($build_dir)) {
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| 413 |
|
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| 414 | $gsserver->do_activate() unless $skipactivation;
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| 415 |
|
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| 416 | } else { # installcollection failed
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| 417 | #CollectionManager.Preview_Ready_Failed
|
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| 418 | $gsserver->print_msg("Building directory is not empty or still exists. Failed to properly move $build_dir to $index_dir.\n");
|
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| 419 | }
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| 420 |
|
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| 421 | $gsserver->print_msg("\n");
|
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| 422 |
|
|---|
| 423 | }
|
|---|
| 424 |
|
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| 425 | &main(scalar(@ARGV),@ARGV);
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