[14968] | 1 | package g2futil;
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| 2 |
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| 3 |
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| 4 | BEGIN
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| 5 | {
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| 6 | if (!defined $ENV{'FEDORA_HOME'}) {
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[15605] | 7 | print STDERR "Error: Environment variable FEDORA_HOME not set.\n";
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[14968] | 8 | exit 1;
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| 9 | }
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| 10 |
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| 11 | my $fedora_home = $ENV{'FEDORA_HOME'};
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| 12 | my $fedora_client_bin = &util::filename_cat($fedora_home,"client","bin");
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[15605] | 13 | if($ENV{'GSDLOS'} =~ m/^windows/) {
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| 14 | $ENV{'PATH'} .= ";$fedora_client_bin";
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| 15 | } else {
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| 16 | $ENV{'PATH'} .= ":$fedora_client_bin";
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| 17 | }
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[14968] | 18 | }
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| 19 |
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[15894] | 20 | use strict;
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[14968] | 21 | use util;
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| 22 |
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| 23 | sub run_cmd_old
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| 24 | {
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| 25 | my ($cmd,$verbosity,$tolerate_error) = @_;
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| 26 |
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| 27 | if (($verbosity == 0)
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| 28 | || (defined $tolerate_error && ($tolerate_error eq "tolerate_error"))) {
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| 29 | $cmd .= " > /dev/null"; # Too Unix specific?
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| 30 | }
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| 31 |
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| 32 | if ($verbosity >= 2) {
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| 33 | print "Runing command:\n";
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| 34 | print "$cmd\n";
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| 35 | }
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| 36 |
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| 37 | my $status = system($cmd);
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| 38 |
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| 39 | if ($verbosity >= 2) {
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| 40 | print "Exit status = ", $status/256, "\n";
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| 41 | }
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| 42 |
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| 43 | if ((!defined $tolerate_error) || ($tolerate_error ne "tolerate_error")) {
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| 44 | if ($status>0) {
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| 45 | print STDERR "Error executing:\n$cmd\n";
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| 46 | print STDERR "$!\n";
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| 47 | }
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| 48 | }
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| 49 |
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| 50 | return $status;
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| 51 | }
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| 52 |
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| 53 |
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| 54 | sub run_cmd
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| 55 | {
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| 56 | my ($prog,$arguments,$verbosity,$tolerate_error) = @_;
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| 57 |
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| 58 | my $script_ext = ($ENV{'GSDLOS'} =~ m/^windows/) ? ".bat" : ".sh";
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| 59 |
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| 60 | if ($prog =~ m/^fedora-/) {
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| 61 | $prog .= $script_ext;
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| 62 | }
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[15582] | 63 | if (($prog =~ m/.pl$/i) && ($ENV{'GSDLOS'} =~ m/^windows/)) {
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| 64 | $prog ="perl -S $prog";
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| 65 | }
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| 66 |
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[14968] | 67 | my $cmd = "$prog $arguments";
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| 68 |
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[15656] | 69 | ### print "*** cmd = $cmd\n";
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[14968] | 70 |
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| 71 | if (open(CMD,"$cmd 2>&1 |"))
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| 72 | {
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| 73 | my $result = "";
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| 74 | my $line;
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| 75 | while (defined ($line = <CMD>))
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| 76 | {
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| 77 | $result .= $line;
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| 78 |
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| 79 | if ((!defined $tolerate_error) || ($tolerate_error ne "tolerate_error"))
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| 80 | {
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| 81 | print $line;
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| 82 | }
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| 83 |
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| 84 |
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| 85 | }
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| 86 |
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| 87 | close(CMD);
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| 88 |
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| 89 | $cmd_status = $?;
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| 90 |
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| 91 | if ($cmd_status == 0) {
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| 92 | # Check for any lines in result begining 'Error:'
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| 93 |
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| 94 | if ($result =~ m/^Error\s*:/m) {
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| 95 | # Fedora script generated an error, but did not exit
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| 96 | # with an error status => artificially raise one
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| 97 |
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| 98 | $cmd_status = -1;
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| 99 | }
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| 100 | }
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| 101 |
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| 102 | if ($cmd_status != 0) {
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| 103 |
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| 104 | if ((!defined $tolerate_error) || ($tolerate_error ne "tolerate_error"))
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| 105 | {
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| 106 | print STDERR "Error: processing command failed. Exit status $cmd_status\n";
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| 107 |
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| 108 | if ($verbosity >= 2) {
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| 109 | print STDERR " Command was: $cmd\n";
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| 110 | }
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| 111 | if ($verbosity >= 3) {
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| 112 | print STDERR "result: $result\n";
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| 113 | }
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| 114 |
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| 115 | }
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| 116 | }
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| 117 | }
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| 118 | else
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| 119 | {
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| 120 | print STDERR "Error: failed to execute $cmd\n";
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| 121 | }
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| 122 |
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| 123 |
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| 124 | return $cmd_status;
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| 125 | }
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| 126 |
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| 127 |
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| 128 | sub run_datastore_info
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| 129 | {
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| 130 | my ($pid,$options) = @_;
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| 131 |
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| 132 | my $verbosity = $options->{'verbosity'};
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| 133 |
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| 134 | my $hostname = $options->{'hostname'};
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| 135 | my $port = $options->{'port'};
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| 136 | my $username = $options->{'username'};
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| 137 | my $password = $options->{'password'};
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| 138 | my $protocol = $options->{'protocol'};
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| 139 |
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| 140 | my $prog = "fedora-dsinfo";
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| 141 | my $arguments = "$hostname $port $username $password $pid $protocol";
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| 142 | my $status = run_cmd($prog,$arguments,$verbosity,"tolerate_error");
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| 143 |
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| 144 | return $status;
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| 145 | }
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| 146 |
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| 147 | sub run_purge
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| 148 | {
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| 149 | my ($pid,$options) = @_;
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| 150 |
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| 151 | my $verbosity = $options->{'verbosity'};
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| 152 |
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| 153 | my $hostname = $options->{'hostname'};
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| 154 | my $port = $options->{'port'};
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| 155 | my $username = $options->{'username'};
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| 156 | my $password = $options->{'password'};
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| 157 | my $protocol = $options->{'protocol'};
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| 158 |
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| 159 | my $server = "$hostname:$port";
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| 160 |
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| 161 | my $prog = "fedora-purge";
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| 162 | my $arguments = "$server $username $password $pid $protocol";
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| 163 | $arguments .= " \\\n \"Automated_purge_by_g2f_script\"";
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| 164 |
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| 165 | my $status = run_cmd($prog,$arguments,$verbosity);
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| 166 |
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| 167 | return $status;
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| 168 | }
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| 169 |
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| 170 | sub run_ingest
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| 171 | {
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| 172 | my ($docmets_filename,$options) = @_;
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| 173 |
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| 174 | my $verbosity = $options->{'verbosity'};
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| 175 |
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| 176 | my $hostname = $options->{'hostname'};
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| 177 | my $port = $options->{'port'};
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| 178 | my $username = $options->{'username'};
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| 179 | my $password = $options->{'password'};
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| 180 | my $protocol = $options->{'protocol'};
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| 181 |
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| 182 | my $server = "$hostname:$port";
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| 183 |
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| 184 | my $prog = "fedora-ingest";
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| 185 |
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[15015] | 186 | my $type = undef;
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| 187 |
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| 188 | if ($ENV{'FEDORA2_HOME'}) {
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| 189 | $type = "metslikefedora1";
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| 190 | }
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| 191 | else {
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| 192 | $type = "info:fedora/fedora-system:METSFedoraExt-1.1";
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| 193 | }
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[14968] | 194 |
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| 195 | my $arguments = "file \"$docmets_filename\" $type $server $username $password $protocol";
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| 196 | $arguments .= " \\\n \"Automated_purge_by_g2f_script\"";
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| 197 |
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| 198 | my $status = run_cmd($prog,$arguments,$verbosity);
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| 199 |
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| 200 | return $status;
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| 201 | }
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| 202 |
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| 203 |
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| 204 |
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| 205 | sub get_hash_id
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| 206 | {
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| 207 | my ($hash_dir) = @_;
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| 208 |
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| 209 | my $hash_id = undef;
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| 210 |
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| 211 | my $docmets_filename = &util::filename_cat($hash_dir,"docmets.xml");
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| 212 |
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| 213 | if (open(DIN,"<$docmets_filename"))
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| 214 | {
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| 215 | while (defined (my $line = <DIN>))
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| 216 | {
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| 217 | if ($line =~ m/<dc:identifier>(.*?)<\/dc:identifier>/)
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| 218 | {
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| 219 | $hash_id = $1;
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| 220 | last;
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| 221 | }
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| 222 | }
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| 223 |
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| 224 | close(DIN);
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| 225 | }
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| 226 | else
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| 227 | {
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| 228 | print STDERR "Warning: Unable to open \"$docmets_filename\"\n";
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| 229 | }
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| 230 |
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| 231 | return $hash_id;
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| 232 |
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| 233 | }
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| 234 |
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| 235 |
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[15395] | 236 | # Subroutine to write the gsdl.xml file in FEDORA_HOME/tomcat/conf/Catalina/<host/localhost>/
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| 237 | # This xml file will tell Fedora where to find the parent folder of the GS collect dir
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| 238 | # so that it can obtain the FedoraMETS files for ingestion.
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| 239 | # It depends on the Fedora server being on the same machine as the Greenstone server that
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| 240 | # this code is part of.
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| 241 | sub write_gsdl_xml_file
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| 242 | {
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[15605] | 243 | my ($fedora_host, $collect_dir, $options) = @_;
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| 244 | my $verbosity = $options->{'verbosity'};
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[15656] | 245 | my $hostname = $options->{'hostname'};
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| 246 | my $port = $options->{'port'};
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| 247 | my $protocol = $options->{'protocol'};
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[15605] | 248 |
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[15395] | 249 | print STDERR "Ensuring that a correct gsdl.xml file exists on the Fedora server end\n";
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| 250 | # The top of this file has already made sure that FEDORA_HOME is set
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[14968] | 251 |
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[15395] | 252 | # 1. Find out which folder to write to: fedora_host or localhost
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[15656] | 253 | # whichever contains fedora.xml is the one we want (if none, exit with error value?)
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[15395] | 254 | my $fedora_home = $ENV{'FEDORA_HOME'};
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| 255 | my $base_path = &util::filename_cat($fedora_home, "tomcat", "conf", "Catalina");
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[14968] | 256 |
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[15395] | 257 | my $host_path = &util::filename_cat($base_path, $fedora_host);
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| 258 | my $xmlFile = &util::filename_cat($host_path, "fedora.xml");
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| 259 | if (!-e $xmlFile) {
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[15656] | 260 | # check if the folder localhost contains fedoraXML
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[15395] | 261 | $host_path = &util::filename_cat($base_path, "localhost");
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| 262 | $xmlFile = &util::filename_cat($host_path, "fedora.xml");
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| 263 | if(!-e $xmlFile) {
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| 264 | # try putting gsdl in this folder, but still print a warning
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| 265 | print STDERR "**** $host_path does not contain file fedora.xml. Hoping gsdl.xml belongs there anyway\n";
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| 266 | }
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| 267 | }
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| 268 |
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| 269 | # 2. Construct the string we are going write to the gsdl.xml file
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| 270 | # a. get the parent directory of collect_dir by removinbg the word
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[15656] | 271 | # "collect" from it and any optional OS-type slash at the end.
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| 272 | # (Path slash direction does not matter here.)
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[15395] | 273 | my $collectParentDir = $collect_dir;
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| 274 | $collectParentDir =~ s/collect(\/|\\)?//;
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[15656] | 275 |
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[15395] | 276 | # b. Use the collectParentDir to create the contents of gsdl.xml
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| 277 | my $gsdlXMLcontents = "<?xml version='1.0' encoding='utf-8'?>\n<Context docBase=\"";
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| 278 | $gsdlXMLcontents = $gsdlXMLcontents.$collectParentDir."\" path=\"/gsdl\"></Context>";
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| 279 |
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| 280 | # 3. If there is already a gsdl.xml file in host_path, compare the string we
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| 281 | # want to write with what is already in there. If they're the same, we can return
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| 282 | $xmlFile = &util::filename_cat($host_path, "gsdl.xml");
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| 283 | if(-e $xmlFile) {
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| 284 | # such a file exists, so read the contents
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| 285 | unless(open(FIN, "<$xmlFile")) {
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| 286 | print STDERR "***g2f-import.pl: Unable to open existing $xmlFile for comparing...Recoverable. $!\n";
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| 287 | # doesn't matter, we'll just overwrite it then
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| 288 | }
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| 289 | my $xml_contents;
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| 290 | {
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| 291 | local $/ = undef; # Read entire file at once
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| 292 | $xml_contents = <FIN>; # Now file is read in as one single 'line'
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| 293 | }
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| 294 | close(FIN); # close the file
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| 295 | if($xml_contents eq $gsdlXMLcontents) {
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| 296 | print STDERR "The old gsdl.xml file already contains the same.\n";
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| 297 | # it already contains what we want, we're done
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| 298 | return "gsdl.xml";
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| 299 | }
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| 300 | }
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| 301 |
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| 302 | # 4. If we're here, the contents of gsdl.xml need to be updated:
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| 303 | # a. First stop the fedora server
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[15605] | 304 | my $script_ext = ($ENV{'GSDLOS'} =~ m/^windows/) ? ".bat" : ".sh";
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| 305 | my $stop_tomcat = &util::filename_cat($fedora_home, "tomcat", "bin", "shutdown".$script_ext);
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[15395] | 306 | # execute the command
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| 307 | $!=0; # does this initialise the return value?
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[15605] | 308 | my $status = system($stop_tomcat);
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| 309 | if ($status!=0) { # to get the actual exit value, divide by 256, but not useful here
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[15395] | 310 | # possible tomcat was already stopped - it's not the end of the world
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| 311 | print STDERR "**** Failed to stop Fedora server. Perhaps it was not running. $!\n";
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[15605] | 312 | print "Exit status = ", $status/256, "\n";
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[15395] | 313 | }
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| 314 |
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| 315 | # b. overwrite the file that has outdated contents with the contents we just constructed
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| 316 | unless(open(FOUT, ">$xmlFile")) { # create or overwrite gsdl.xml file
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| 317 | die "g2f-import.pl: Unable to open $xmlFile for telling Fedora where the collect dir is...ERROR: $!\n";
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| 318 | }
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| 319 | # write out the updated contents and close the file
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| 320 | print FOUT $gsdlXMLcontents;
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| 321 | close(FOUT);
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| 322 |
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| 323 | # c. Restart the fedora server
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[15605] | 324 | my $start_tomcat = &util::filename_cat($fedora_home, "tomcat", "bin", "startup".$script_ext);
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[15395] | 325 | $!=0;
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[15605] | 326 | $status = system($start_tomcat);
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| 327 | if ($status!=0) {
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[15395] | 328 | print STDERR "Failed to restart the Fedora server... ERROR: $!\n";
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[15605] | 329 | print "Exit status = ", $status/256, "\n";
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[15395] | 330 | }
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[15605] | 331 |
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| 332 |
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[15656] | 333 | # Starting up the Fedora server takes a long time. We need to wait for the server to be
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| 334 | # ready before import can continue, because g2f-import relies on an up-and-running Fedora
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| 335 | # server to purge the collection from it while g2f-build.pl needs a ready Fedora server
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| 336 | # in order to make it ingest the FedoraMETS. Sleeping is not sufficient (#sleep 10;) since
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| 337 | # the subsequent steps depend on a proper server restart.
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| 338 | # Dr Bainbridge's suggestion: test the server is ready with a call to wget.
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| 339 |
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| 340 | # Wget tries to retrieve the fedora search page (protocol://host:port/fedora/search)
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| 341 | # 20 times, waiting 3 seconds between each failed attempt. If it ultimately fails, we
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| 342 | # print a message to the user.
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| 343 | # The wget --spider option makes it check that the page is merely there rather than
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| 344 | # downloading it (see http://www.gnu.org/software/wget/manual/wget.html#Download-Options)
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| 345 | # -q is for quiet, --tries for the number of retries, --waitretry is the number of seconds
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| 346 | # between each attempt. Usually wget returns the contents of the page, but in our case it
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| 347 | # will return 0 for success since we are not downloading.
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[15395] | 348 |
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[15656] | 349 | print STDERR "Fedora server restarted. Waiting for it to become ready...\n";
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| 350 |
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| 351 | # print STDERR "****$protocol://$hostname:$port/fedora/search\n";
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| 352 | my $fedoraServerReady = system("wget -q --spider --waitretry=3 --tries=20 $protocol://$hostname:$port/fedora/search");
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| 353 | if($fedoraServerReady != 0) {
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| 354 | print STDERR "Fedora server is still not ready... ERROR: $!\n";
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| 355 | print "Exit status = ", $status/256, "\n";
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| 356 | die "Exiting....\n";
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| 357 | }
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| 358 |
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[15395] | 359 | # return some indication that things went well
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| 360 | return "gsdl.xml";
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| 361 | }
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| 362 |
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| 363 |
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[14968] | 364 | 1;
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