[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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[15979] | 58 | my $cmd_status = undef;
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| 59 |
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[14968] | 60 | my $script_ext = ($ENV{'GSDLOS'} =~ m/^windows/) ? ".bat" : ".sh";
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| 61 |
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| 62 | if ($prog =~ m/^fedora-/) {
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| 63 | $prog .= $script_ext;
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| 64 | }
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[15582] | 65 | if (($prog =~ m/.pl$/i) && ($ENV{'GSDLOS'} =~ m/^windows/)) {
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| 66 | $prog ="perl -S $prog";
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| 67 | }
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| 68 |
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[14968] | 69 | my $cmd = "$prog $arguments";
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| 70 |
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[15656] | 71 | ### print "*** cmd = $cmd\n";
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[14968] | 72 |
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| 73 | if (open(CMD,"$cmd 2>&1 |"))
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| 74 | {
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| 75 | my $result = "";
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| 76 | my $line;
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| 77 | while (defined ($line = <CMD>))
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| 78 | {
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| 79 | $result .= $line;
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| 80 |
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| 81 | if ((!defined $tolerate_error) || ($tolerate_error ne "tolerate_error"))
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| 82 | {
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| 83 | print $line;
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| 84 | }
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| 85 |
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| 86 |
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| 87 | }
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| 88 |
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| 89 | close(CMD);
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| 90 |
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| 91 | $cmd_status = $?;
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| 92 |
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| 93 | if ($cmd_status == 0) {
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| 94 | # Check for any lines in result begining 'Error:'
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| 95 |
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| 96 | if ($result =~ m/^Error\s*:/m) {
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| 97 | # Fedora script generated an error, but did not exit
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| 98 | # with an error status => artificially raise one
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| 99 |
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| 100 | $cmd_status = -1;
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| 101 | }
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| 102 | }
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| 103 |
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| 104 | if ($cmd_status != 0) {
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| 105 |
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| 106 | if ((!defined $tolerate_error) || ($tolerate_error ne "tolerate_error"))
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| 107 | {
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| 108 | print STDERR "Error: processing command failed. Exit status $cmd_status\n";
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| 109 |
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| 110 | if ($verbosity >= 2) {
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| 111 | print STDERR " Command was: $cmd\n";
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| 112 | }
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| 113 | if ($verbosity >= 3) {
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| 114 | print STDERR "result: $result\n";
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| 115 | }
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| 116 |
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| 117 | }
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| 118 | }
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| 119 | }
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| 120 | else
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| 121 | {
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| 122 | print STDERR "Error: failed to execute $cmd\n";
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| 123 | }
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| 124 |
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| 125 |
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| 126 | return $cmd_status;
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| 127 | }
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| 128 |
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| 129 |
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| 130 | sub run_datastore_info
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| 131 | {
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| 132 | my ($pid,$options) = @_;
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| 133 |
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| 134 | my $verbosity = $options->{'verbosity'};
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| 135 |
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| 136 | my $hostname = $options->{'hostname'};
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| 137 | my $port = $options->{'port'};
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| 138 | my $username = $options->{'username'};
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| 139 | my $password = $options->{'password'};
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| 140 | my $protocol = $options->{'protocol'};
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| 141 |
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| 142 | my $prog = "fedora-dsinfo";
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| 143 | my $arguments = "$hostname $port $username $password $pid $protocol";
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| 144 | my $status = run_cmd($prog,$arguments,$verbosity,"tolerate_error");
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| 145 |
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| 146 | return $status;
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| 147 | }
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| 148 |
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| 149 | sub run_purge
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| 150 | {
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| 151 | my ($pid,$options) = @_;
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| 152 |
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| 153 | my $verbosity = $options->{'verbosity'};
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| 154 |
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| 155 | my $hostname = $options->{'hostname'};
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| 156 | my $port = $options->{'port'};
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| 157 | my $username = $options->{'username'};
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| 158 | my $password = $options->{'password'};
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| 159 | my $protocol = $options->{'protocol'};
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| 160 |
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| 161 | my $server = "$hostname:$port";
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| 162 |
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| 163 | my $prog = "fedora-purge";
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| 164 | my $arguments = "$server $username $password $pid $protocol";
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| 165 | $arguments .= " \\\n \"Automated_purge_by_g2f_script\"";
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| 166 |
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| 167 | my $status = run_cmd($prog,$arguments,$verbosity);
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| 168 |
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| 169 | return $status;
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| 170 | }
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| 171 |
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| 172 | sub run_ingest
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| 173 | {
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| 174 | my ($docmets_filename,$options) = @_;
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| 175 |
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| 176 | my $verbosity = $options->{'verbosity'};
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| 177 |
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| 178 | my $hostname = $options->{'hostname'};
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| 179 | my $port = $options->{'port'};
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| 180 | my $username = $options->{'username'};
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| 181 | my $password = $options->{'password'};
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| 182 | my $protocol = $options->{'protocol'};
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| 183 |
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| 184 | my $server = "$hostname:$port";
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| 185 |
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| 186 | my $prog = "fedora-ingest";
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| 187 |
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[15015] | 188 | my $type = undef;
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| 189 |
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| 190 | if ($ENV{'FEDORA2_HOME'}) {
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| 191 | $type = "metslikefedora1";
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| 192 | }
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| 193 | else {
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| 194 | $type = "info:fedora/fedora-system:METSFedoraExt-1.1";
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| 195 | }
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[14968] | 196 |
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| 197 | my $arguments = "file \"$docmets_filename\" $type $server $username $password $protocol";
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| 198 | $arguments .= " \\\n \"Automated_purge_by_g2f_script\"";
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| 199 |
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| 200 | my $status = run_cmd($prog,$arguments,$verbosity);
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| 201 |
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| 202 | return $status;
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| 203 | }
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| 204 |
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| 205 |
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[16102] | 206 | sub rec_get_all_hash_dirs
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| 207 | {
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| 208 | my ($full_dir,$all_dirs) = @_;
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[14968] | 209 |
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[16102] | 210 | if (opendir(DIR, $full_dir)) {
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| 211 | my @sub_dirs = grep { ($_ !~ /^\./) && (-d &util::filename_cat($full_dir,$_)) } readdir(DIR);
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| 212 | closedir DIR;
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| 213 |
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| 214 | my @hash_dirs = grep { $_ =~ m/\.dir$/ } @sub_dirs;
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| 215 | my @rec_dirs = grep { $_ !~ m/\.dir$/ } @sub_dirs;
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| 216 |
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| 217 | foreach my $hd (@hash_dirs) {
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| 218 | my $full_hash_dir = &util::filename_cat($full_dir,$hd);
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| 219 | push(@$all_dirs,$full_hash_dir);
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| 220 | }
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| 221 |
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| 222 | foreach my $rd (@rec_dirs) {
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| 223 | my $full_rec_dir = &util::filename_cat($full_dir,$rd);
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| 224 | rec_get_all_hash_dirs($full_rec_dir,$all_dirs);
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| 225 | }
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| 226 | }
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| 227 | }
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| 228 |
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| 229 | sub get_all_hash_dirs
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| 230 | {
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| 231 | my ($start_dir,$maxdocs) = @_;
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| 232 |
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| 233 | my @all_dirs = ();
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| 234 | rec_get_all_hash_dirs($start_dir,\@all_dirs);
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| 235 |
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| 236 | if ((defined $maxdocs) && ($maxdocs ne "")) {
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| 237 | my @maxdoc_dirs = ();
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| 238 | for (my $i=0; $i<$maxdocs; $i++) {
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| 239 | push(@maxdoc_dirs,shift(@all_dirs));
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| 240 | }
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| 241 | @all_dirs = @maxdoc_dirs;
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| 242 | }
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| 243 |
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| 244 | return @all_dirs;
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| 245 | }
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| 246 |
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[14968] | 247 | sub get_hash_id
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| 248 | {
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| 249 | my ($hash_dir) = @_;
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| 250 |
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| 251 | my $hash_id = undef;
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| 252 |
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| 253 | my $docmets_filename = &util::filename_cat($hash_dir,"docmets.xml");
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| 254 |
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| 255 | if (open(DIN,"<$docmets_filename"))
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| 256 | {
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| 257 | while (defined (my $line = <DIN>))
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| 258 | {
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| 259 | if ($line =~ m/<dc:identifier>(.*?)<\/dc:identifier>/)
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| 260 | {
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| 261 | $hash_id = $1;
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| 262 | last;
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| 263 | }
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| 264 | }
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| 265 |
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| 266 | close(DIN);
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| 267 | }
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| 268 | else
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| 269 | {
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| 270 | print STDERR "Warning: Unable to open \"$docmets_filename\"\n";
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| 271 | }
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| 272 |
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| 273 | return $hash_id;
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| 274 |
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| 275 | }
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| 276 |
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| 277 |
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[15395] | 278 | # Subroutine to write the gsdl.xml file in FEDORA_HOME/tomcat/conf/Catalina/<host/localhost>/
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| 279 | # This xml file will tell Fedora where to find the parent folder of the GS collect dir
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| 280 | # so that it can obtain the FedoraMETS files for ingestion.
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| 281 | # It depends on the Fedora server being on the same machine as the Greenstone server that
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| 282 | # this code is part of.
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| 283 | sub write_gsdl_xml_file
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| 284 | {
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[15605] | 285 | my ($fedora_host, $collect_dir, $options) = @_;
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| 286 | my $verbosity = $options->{'verbosity'};
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[15656] | 287 | my $hostname = $options->{'hostname'};
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| 288 | my $port = $options->{'port'};
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| 289 | my $protocol = $options->{'protocol'};
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[15605] | 290 |
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[15395] | 291 | print STDERR "Ensuring that a correct gsdl.xml file exists on the Fedora server end\n";
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[16395] | 292 | # The top of this file has already made sure that FEDORA_HOME is set, but for GS3
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| 293 | # CATALINA_HOME is set to GS' own tomcat. Since we'll be working with fedora, we need
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| 294 | # to temporarily set CATALINA_HOME to fedora's tomcat:
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| 295 | my $gs_catalina_home = $ENV{'CATALINA_HOME'};
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| 296 | $ENV{'CATALINA_HOME'} = &util::filename_cat($ENV{'FEDORA_HOME'}, "tomcat");
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[14968] | 297 |
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[15395] | 298 | # 1. Find out which folder to write to: fedora_host or localhost
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[15656] | 299 | # whichever contains fedora.xml is the one we want (if none, exit with error value?)
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[15395] | 300 | my $fedora_home = $ENV{'FEDORA_HOME'};
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| 301 | my $base_path = &util::filename_cat($fedora_home, "tomcat", "conf", "Catalina");
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[14968] | 302 |
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[15395] | 303 | my $host_path = &util::filename_cat($base_path, $fedora_host);
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| 304 | my $xmlFile = &util::filename_cat($host_path, "fedora.xml");
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| 305 | if (!-e $xmlFile) {
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[15656] | 306 | # check if the folder localhost contains fedoraXML
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[15395] | 307 | $host_path = &util::filename_cat($base_path, "localhost");
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| 308 | $xmlFile = &util::filename_cat($host_path, "fedora.xml");
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| 309 | if(!-e $xmlFile) {
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| 310 | # try putting gsdl in this folder, but still print a warning
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[16395] | 311 | print STDERR "$host_path does not contain file fedora.xml. Hoping gsdl.xml belongs there anyway\n";
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[15395] | 312 | }
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| 313 | }
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| 314 |
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| 315 | # 2. Construct the string we are going write to the gsdl.xml file
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| 316 | # a. get the parent directory of collect_dir by removinbg the word
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[15656] | 317 | # "collect" from it and any optional OS-type slash at the end.
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| 318 | # (Path slash direction does not matter here.)
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[15395] | 319 | my $collectParentDir = $collect_dir;
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| 320 | $collectParentDir =~ s/collect(\/|\\)?//;
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[15656] | 321 |
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[15395] | 322 | # b. Use the collectParentDir to create the contents of gsdl.xml
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| 323 | my $gsdlXMLcontents = "<?xml version='1.0' encoding='utf-8'?>\n<Context docBase=\"";
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| 324 | $gsdlXMLcontents = $gsdlXMLcontents.$collectParentDir."\" path=\"/gsdl\"></Context>";
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| 325 |
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| 326 | # 3. If there is already a gsdl.xml file in host_path, compare the string we
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| 327 | # want to write with what is already in there. If they're the same, we can return
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| 328 | $xmlFile = &util::filename_cat($host_path, "gsdl.xml");
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| 329 | if(-e $xmlFile) {
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| 330 | # such a file exists, so read the contents
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| 331 | unless(open(FIN, "<$xmlFile")) {
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[16363] | 332 | print STDERR "g2f-import.pl: Unable to open existing $xmlFile for comparing...Recoverable. $!\n";
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[15395] | 333 | # doesn't matter, we'll just overwrite it then
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| 334 | }
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| 335 | my $xml_contents;
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| 336 | {
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| 337 | local $/ = undef; # Read entire file at once
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| 338 | $xml_contents = <FIN>; # Now file is read in as one single 'line'
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| 339 | }
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| 340 | close(FIN); # close the file
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| 341 | if($xml_contents eq $gsdlXMLcontents) {
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[16363] | 342 | print STDERR "Fedora links to the FLI import folder through gsdl.xml.\n";
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[15395] | 343 | # it already contains what we want, we're done
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| 344 | return "gsdl.xml";
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| 345 | }
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| 346 | }
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| 347 |
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| 348 | # 4. If we're here, the contents of gsdl.xml need to be updated:
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| 349 | # a. First stop the fedora server
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[15605] | 350 | my $script_ext = ($ENV{'GSDLOS'} =~ m/^windows/) ? ".bat" : ".sh";
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| 351 | my $stop_tomcat = &util::filename_cat($fedora_home, "tomcat", "bin", "shutdown".$script_ext);
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[15395] | 352 | # execute the command
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[16395] | 353 | $! = 0; # does this initialise the return value?
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[15605] | 354 | my $status = system($stop_tomcat);
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| 355 | if ($status!=0) { # to get the actual exit value, divide by 256, but not useful here
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[15395] | 356 | # possible tomcat was already stopped - it's not the end of the world
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[16363] | 357 | print STDERR "Failed to stop Fedora server. Perhaps it was not running. $!\n";
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[15605] | 358 | print "Exit status = ", $status/256, "\n";
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[15395] | 359 | }
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| 360 |
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| 361 | # b. overwrite the file that has outdated contents with the contents we just constructed
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| 362 | unless(open(FOUT, ">$xmlFile")) { # create or overwrite gsdl.xml file
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| 363 | die "g2f-import.pl: Unable to open $xmlFile for telling Fedora where the collect dir is...ERROR: $!\n";
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| 364 | }
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| 365 | # write out the updated contents and close the file
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| 366 | print FOUT $gsdlXMLcontents;
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| 367 | close(FOUT);
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| 368 |
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| 369 | # c. Restart the fedora server
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[15605] | 370 | my $start_tomcat = &util::filename_cat($fedora_home, "tomcat", "bin", "startup".$script_ext);
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[16395] | 371 | $! = 0;
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[15605] | 372 | $status = system($start_tomcat);
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| 373 | if ($status!=0) {
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[15395] | 374 | print STDERR "Failed to restart the Fedora server... ERROR: $!\n";
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[15605] | 375 | print "Exit status = ", $status/256, "\n";
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[15395] | 376 | }
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[16395] | 377 |
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| 378 | # reset CATALINA_HOME to GS' Tomcat:
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| 379 | $ENV{'CATALINA_HOME'} = $gs_catalina_home;
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[15605] | 380 |
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[15656] | 381 | # Starting up the Fedora server takes a long time. We need to wait for the server to be
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| 382 | # ready before import can continue, because g2f-import relies on an up-and-running Fedora
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| 383 | # server to purge the collection from it while g2f-build.pl needs a ready Fedora server
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| 384 | # in order to make it ingest the FedoraMETS. Sleeping is not sufficient (#sleep 10;) since
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| 385 | # the subsequent steps depend on a proper server restart.
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| 386 | # Dr Bainbridge's suggestion: test the server is ready with a call to wget.
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| 387 |
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| 388 | # Wget tries to retrieve the fedora search page (protocol://host:port/fedora/search)
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| 389 | # 20 times, waiting 3 seconds between each failed attempt. If it ultimately fails, we
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| 390 | # print a message to the user.
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| 391 | # The wget --spider option makes it check that the page is merely there rather than
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| 392 | # downloading it (see http://www.gnu.org/software/wget/manual/wget.html#Download-Options)
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| 393 | # -q is for quiet, --tries for the number of retries, --waitretry is the number of seconds
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| 394 | # between each attempt. Usually wget returns the contents of the page, but in our case it
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| 395 | # will return 0 for success since we are not downloading.
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[15395] | 396 |
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[15656] | 397 | print STDERR "Fedora server restarted. Waiting for it to become ready...\n";
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[16395] | 398 | #print STDERR "****$protocol://$hostname:$port/fedora/search\n";
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[15656] | 399 |
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[16395] | 400 | $! = 0;
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[15656] | 401 | my $fedoraServerReady = system("wget -q --spider --waitretry=3 --tries=20 $protocol://$hostname:$port/fedora/search");
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| 402 | if($fedoraServerReady != 0) {
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| 403 | print STDERR "Fedora server is still not ready... ERROR: $!\n";
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[16395] | 404 | print "Exit status = ", $fedoraServerReady/256, "\n";
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[15656] | 405 | die "Exiting....\n";
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| 406 | }
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[16395] | 407 |
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[15395] | 408 | # return some indication that things went well
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| 409 | return "gsdl.xml";
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| 410 | }
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| 411 |
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| 412 |
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[14968] | 413 | 1;
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