[24453] | 1 | ###########################################################################
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| 2 | #
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| 3 | # solrserver.pm -- class for starting and stopping the Solr/jetty server
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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 solrserver;
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| 28 |
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| 29 | use strict;
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[24483] | 30 | #no strict 'refs';
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[24453] | 31 |
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| 32 | use solrutil;
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| 33 |
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| 34 | sub new {
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| 35 | my $class = shift(@_);
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| 36 |
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[24484] | 37 | my $self = { 'jetty_stop_key' => "greenstone-solr" };
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[24453] | 38 |
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| 39 | my $search_path = &solrutil::get_search_path();
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| 40 |
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| 41 | my $server_jar = &util::filename_cat("lib","java","solr-jetty-server.jar");
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| 42 | my $full_server_jar = solrutil::locate_file($search_path,$server_jar);
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| 43 | $self->{'full_server_jar'} = $full_server_jar;
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| 44 |
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| 45 | $self->{'jetty_explicitly_started'} = undef;
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| 46 |
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[24483] | 47 | my $jetty_server_port = $ENV{'SOLR_JETTY_PORT'};
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| 48 | my $base_url = "http://localhost:$jetty_server_port/solr/";
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| 49 | my $admin_url = "http://localhost:$jetty_server_port/solr/admin/cores";
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| 50 |
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| 51 | $self->{'base-url'} = $base_url;
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| 52 | $self->{'admin-url'} = $admin_url;
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| 53 |
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[24453] | 54 | return bless $self, $class;
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| 55 | }
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| 56 |
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[24483] | 57 |
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| 58 |
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| 59 | sub _wget_service
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| 60 | {
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| 61 | my $self = shift (@_);
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| 62 | my ($output_format,$url,$cgi_get_args) = @_;
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| 63 |
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| 64 | my $full_url = $url;
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| 65 |
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| 66 | $url .= "?$cgi_get_args" if (defined $cgi_get_args);
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| 67 |
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| 68 | my $cmd = "wget -O - \"$url\" 2>&1";
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| 69 |
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| 70 | my $preamble_output = "";
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| 71 | my $xml_output = "";
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| 72 | my $error_output = undef;
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| 73 |
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| 74 | my $in_preamble = ($output_format eq "xml") ? 1 : 0;
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| 75 |
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| 76 | if (open(WIN,"$cmd |")) {
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| 77 |
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| 78 | my $line;
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| 79 | while (defined ($line=<WIN>)) {
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| 80 |
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| 81 | if ($line =~ m/ERROR \d+:/) {
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| 82 | chomp $line;
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| 83 | $error_output = $line;
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| 84 | last;
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| 85 | }
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| 86 | elsif ($line =~ m/failed: Connection refused/) {
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| 87 | chomp $line;
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| 88 | $error_output = $line;
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| 89 | last;
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| 90 | }
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| 91 | elsif ($in_preamble) {
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| 92 | if ($line =~ m/<.*>/) {
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| 93 | $in_preamble = 0;
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| 94 | }
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| 95 | else {
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| 96 | $preamble_output .= $line;
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| 97 | }
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| 98 | }
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| 99 |
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| 100 | if (! $in_preamble) {
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| 101 | $xml_output .= $line;
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| 102 | }
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| 103 | }
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| 104 | close(WIN);
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| 105 |
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| 106 | }
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| 107 | else {
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| 108 | $error_output = "Error: failed to run $cmd\n";
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| 109 | $error_output .= " $!\n";
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| 110 | }
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| 111 |
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| 112 | my $output = { 'preamble' => $preamble_output,
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| 113 | 'output' => $xml_output,
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| 114 | 'error' => $error_output };
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| 115 |
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| 116 | return $output;
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| 117 | }
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| 118 |
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| 119 |
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| 120 | sub _base_service
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| 121 | {
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| 122 | my $self = shift (@_);
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| 123 | my ($cgi_get_args) = @_;
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| 124 |
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| 125 | my $base_url = $self->{'base-url'};
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| 126 |
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| 127 | return $self->_wget_service("html",$base_url,$cgi_get_args);
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| 128 | }
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| 129 |
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| 130 | sub _admin_service
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| 131 | {
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| 132 | my $self = shift (@_);
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| 133 | my ($cgi_get_args) = @_;
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| 134 |
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| 135 | my $admin_url = $self->{'admin-url'};
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| 136 |
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| 137 | return $self->_wget_service("xml",$admin_url,$cgi_get_args);
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| 138 | }
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| 139 |
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| 140 |
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| 141 | sub server_running
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| 142 | {
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| 143 | my $self = shift @_;
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| 144 |
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| 145 | my $output = $self->_base_service();
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| 146 |
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| 147 | my $have_error = defined $output->{'error'};
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| 148 |
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| 149 | my $running = !$have_error;
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| 150 |
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| 151 | return $running;
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| 152 | }
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| 153 |
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| 154 |
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| 155 | sub admin_ping_core
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| 156 | {
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| 157 | my $self = shift @_;
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| 158 | my ($core) = @_;
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| 159 |
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| 160 | my $cgi_get_args = "action=STATUS&core=$core";
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| 161 |
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| 162 | my $ping_status = 1;
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| 163 |
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| 164 | my $output = $self->_admin_service($cgi_get_args);
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| 165 |
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| 166 | if (defined $output->{'error'}) {
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| 167 | # severe error, such as failing to connect to the server
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| 168 | $ping_status = 0;
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| 169 |
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| 170 | my $url = $output->{'url'};
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| 171 | my $preamble = $output->{'preamble'};
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| 172 | my $error = $output->{'error'};
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| 173 |
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| 174 | print STDERR "----\n";
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| 175 | print STDERR "Error: Failed to get XML response from:\n";
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| 176 | print STDERR " $url\n";
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| 177 | print STDERR "Output was:\n";
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| 178 | print STDERR $preamble if ($preamble ne "");
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| 179 | print STDERR "$error\n";
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| 180 | print STDERR "----\n";
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| 181 | }
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| 182 | else {
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| 183 |
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| 184 | # If the collection doesn't exist yet, then there will be
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| 185 | # an empty element of the form:
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| 186 | # <lst name="collect-doc"/>
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| 187 | # where 'collect' is the actual name of the collection,
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| 188 | # such as demo
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| 189 |
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| 190 | my $xml_output = $output->{'output'};
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| 191 |
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| 192 | my $empty_element="<lst\\s+name=\"$core\"\\s*\\/>";
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| 193 |
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| 194 | $ping_status = !($xml_output =~ m/$empty_element/s);
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| 195 | }
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| 196 |
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| 197 | return $ping_status;
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| 198 | }
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| 199 |
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| 200 |
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| 201 | sub admin_reload_core
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| 202 | {
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| 203 | my $self = shift @_;
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| 204 | my ($core) = @_;
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| 205 |
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| 206 | my $cgi_get_args = "action=RELOAD&core=$core";
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| 207 |
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| 208 | $self->_admin_service($cgi_get_args);
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| 209 | }
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| 210 |
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| 211 |
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| 212 | sub admin_create_core
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| 213 | {
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| 214 | my $self = shift @_;
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| 215 | my ($core) = @_;
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| 216 |
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| 217 | my ($ds_idx) = ($core =~ m/^.*-(.*)$/);
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| 218 |
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| 219 | my $cgi_get_args = "action=CREATE&name=$core";
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| 220 |
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| 221 | my $collect_home = $ENV{'GSDLCOLLECTDIR'};
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| 222 | my $etc_dirname = &util::filename_cat($collect_home,"etc");
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| 223 |
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| 224 | my $build_dir = $self->{'build_dir'};
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| 225 | my $idx_dirname = &util::filename_cat($build_dir,$ds_idx);
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| 226 |
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| 227 | $cgi_get_args .= "&instanceDir=$etc_dirname";
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| 228 | $cgi_get_args .= "&dataDir=$idx_dirname";
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| 229 |
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| 230 | $self->_admin_service($cgi_get_args);
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| 231 | }
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| 232 |
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| 233 |
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| 234 |
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[24453] | 235 | sub start
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| 236 | {
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| 237 | my $self = shift @_;
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| 238 |
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| 239 | my $solr_home = $ENV{'GEXT_SOLR'};
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| 240 | my $jetty_stop_port = $ENV{'JETTY_STOP_PORT'};
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| 241 | my $jetty_server_port = $ENV{'SOLR_JETTY_PORT'};
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| 242 |
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| 243 | chdir($solr_home);
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| 244 |
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| 245 | my $solr_etc = &util::filename_cat($solr_home,"etc");
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| 246 |
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| 247 | my $server_props = "-DSTOP.PORT=$jetty_stop_port";
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| 248 | $server_props .= " -DSTOP.KEY=".$self->{'jetty_stop_key'};
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| 249 | $server_props .= " -Dsolr.solr.home=$solr_etc";
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| 250 |
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| 251 | my $full_server_jar = $self->{'full_server_jar'};
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| 252 |
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| 253 | my $server_java_cmd = "java $server_props -jar \"$full_server_jar\"";
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| 254 |
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[24483] | 255 | ## print STDERR "**** server cmd start = $server_java_cmd\n";
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[24453] | 256 |
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[24483] | 257 | my $server_status = "unknown";
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[24453] | 258 |
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[24486] | 259 | if ($self->server_running()) {
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[24483] | 260 | $server_status = "already-running";
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[24453] | 261 | }
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[24483] | 262 | elsif (open(STARTIN,"$server_java_cmd 2>&1 |")) {
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[24453] | 263 |
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[24483] | 264 | my $line;
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| 265 | while (defined($line=<STARTIN>)) {
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| 266 | # Scan through output until you see a line like:
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| 267 | # 2011-08-22 .. :INFO::Started [email protected]:8983
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| 268 | # which signifies that the server has started up and is
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| 269 | # "ready and listening"
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[24453] | 270 |
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[24483] | 271 | if (($line =~ m/^(WARN|ERROR|SEVERE):/)
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| 272 | || ($line =~ m/^[0-9 :-]*(WARN|ERROR|SEVERE)::/)) {
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| 273 | print "Jetty startup: $line";
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[24453] | 274 | }
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[24483] | 275 |
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| 276 | if ($line =~ m/WARN::failed SocketConnector/) {
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| 277 | if ($line =~ m/Address already in use/) {
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| 278 | $server_status = "already-running";
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| 279 | }
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| 280 | else {
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| 281 | $server_status = "failed-to-start";
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| 282 | }
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| 283 | last;
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[24453] | 284 | }
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[24483] | 285 |
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| 286 | if ($line =~ m/INFO::Started SocketConnector/) {
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| 287 | $server_status = "explicitly-started";
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| 288 | last;
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| 289 | }
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[24453] | 290 | }
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| 291 | }
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[24483] | 292 | else {
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| 293 | print STDERR "Error: failed to start solr-jetty-server\n";
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| 294 | print STDERR "$!\n";
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| 295 | print STDERR "Command attempted was:\n";
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| 296 | print STDERR " $server_java_cmd\n";
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| 297 | print STDERR "run from directory:\n";
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| 298 | print STDERR " $solr_home\n";
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| 299 | print STDERR "----\n";
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| 300 |
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| 301 | exit -1;
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| 302 | }
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| 303 |
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[24453] | 304 | if ($server_status eq "explicitly-started") {
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| 305 | $self->{'jetty_explicitly_started'} = 1;
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[24483] | 306 | print "Jetty server ready and listening for connections on port";
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| 307 | print " $jetty_server_port\n";
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[24453] | 308 |
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| 309 | # now we know the server is ready to accept connections, fork a
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| 310 | # child process that continues to listen to the output and
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| 311 | # prints out any lines that are not INFO lines
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| 312 |
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| 313 | if (fork()==0) {
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| 314 | # child process
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[24483] | 315 |
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[24453] | 316 | my $line;
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| 317 | while (defined ($line = <STARTIN>)) {
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| 318 |
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| 319 | # if (($line =~ m/^(WARN|ERROR|SEVERE):/)
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| 320 | # || ($line =~ m/^[0-9 :-]*(WARN|ERROR|SEVERE)::/)) {
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| 321 | # print "Jetty $line";
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| 322 | # }
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| 323 |
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| 324 | # skip info lines
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| 325 | next if ($line =~ m/^INFO:/);
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| 326 | next if ($line =~ m/^[0-9 :-]*INFO::/);
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| 327 | next if ($line =~ m/^\d{2}\/\d{2}\/\d{4}\s+/);
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| 328 | next if ($line =~ m/^\d{4}-\d{2}-\d{2}\s+/);
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| 329 |
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| 330 | ## next if ($line =~ m/^\s*\w+{.*}/);
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| 331 |
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| 332 | # if here, then some non-trival message has been logged
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| 333 | print "Jetty/Solr processing: $line";
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| 334 | }
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| 335 | close(STARTIN);
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| 336 |
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| 337 | # And now stop nicely
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| 338 | exit 0;
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| 339 | }
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| 340 | # otherwise let the parent continue on
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| 341 | }
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| 342 | elsif ($server_status eq "already-running") {
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[24483] | 343 | print STDERR "Using existing server detected on port $jetty_server_port\n";
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[24453] | 344 | $self->{'jetty_explicitly_started'} = 0;
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| 345 | }
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[24483] | 346 | elsif ($server_status eq "failed-to-start") {
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| 347 | print STDERR "Started Solr/Jetty web server on port $jetty_server_port";
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| 348 | print STDERR ", but encountered an initialization error\n";
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[24453] | 349 | exit -1;
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| 350 | }
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| 351 |
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| 352 | }
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| 353 |
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| 354 | sub explicitly_started
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| 355 | {
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| 356 | my $self = shift @_;
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| 357 |
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| 358 | return $self->{'jetty_explicitly_started'};
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| 359 | }
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| 360 |
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| 361 | sub stop
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| 362 | {
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| 363 | my $self = shift @_;
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| 364 | my ($options) = @_;
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| 365 |
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| 366 | my $solr_home = $ENV{'GEXT_SOLR'};
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| 367 |
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| 368 | chdir($solr_home);
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| 369 |
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| 370 | # defaults
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| 371 | my $do_wait = 1;
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| 372 | my $output_verbosity = 1;
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| 373 |
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| 374 | if (defined $options) {
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| 375 | if (defined $options->{'do_wait'}) {
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| 376 | $do_wait = $options->{'do_wait'};
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| 377 | }
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| 378 | if (defined $options->{'output_verbosity'}) {
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| 379 | $output_verbosity = $options->{'output_verbosity'};
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| 380 | }
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| 381 | }
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| 382 |
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| 383 | my $full_server_jar = $self->{'full_server_jar'};
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| 384 | my $jetty_stop_port = $ENV{'JETTY_STOP_PORT'};
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| 385 |
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| 386 | my $server_props = "-DSTOP.PORT=$jetty_stop_port";
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| 387 | $server_props .= " -DSTOP.KEY=".$self->{'jetty_stop_key'};
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| 388 | my $server_java_cmd = "java $server_props -jar \"$full_server_jar\" --stop";
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[24483] | 389 |
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| 390 | ## print STDERR "**** java server stop cmd:\n $server_java_cmd\n";
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| 391 |
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[24453] | 392 | if (open(STOPIN,"$server_java_cmd 2>&1 |")) {
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| 393 |
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| 394 | my $line;
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| 395 | while (defined($line=<STOPIN>)) {
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| 396 | print "Jetty shutdown: $line" if ($output_verbosity>1);
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| 397 | }
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| 398 | close(STOPIN);
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| 399 |
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| 400 | if ($do_wait) {
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| 401 | wait(); # let the child process finish
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| 402 | }
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| 403 |
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| 404 | if ($output_verbosity>0) {
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| 405 | print "Jetty server shutdown\n";
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| 406 | }
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| 407 | }
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| 408 | else {
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| 409 | print STDERR "Error: failed to stop solr-jetty-server\n";
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[24483] | 410 | print STDERR "$!\n";
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[24453] | 411 | print STDERR "Command attempted was:\n";
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| 412 | print STDERR " $server_java_cmd\n";
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| 413 | print STDERR "run from directory:\n";
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| 414 | print STDERR " $solr_home\n";
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| 415 | print STDERR "----\n";
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| 416 |
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| 417 | exit -2;
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| 418 | }
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| 419 | }
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| 420 |
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| 421 |
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| 422 |
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| 423 | 1;
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