1: #!/usr/local/bin/perl -w
2:
3: use strict;
4:
5: use XML::LibXML;
6:
7: # MPIWG libraries
8: use lib '/usr/local/mpiwg/archive';
9: use MPIWGStor;
10:
11: # make output unbuffered
12: $|=1;
13:
14:
15: #######################################################
16: # internal parameters
17: #
18:
19: # program version
20: my $version = "0.1 (24.9.2003)";
21:
22: # read command line parameters
23: my $args = parseargs;
24:
25: # debug level
26: $debug = (exists $$args{'debug'}) ? ($$args{'debug'}) : 0;
27:
28: # rewrite XML file (necessary for archive date!)
29: my $fix_xml = 1;
30: my $xml_changed = 0;
31: # XML namespace (not really implemented!)
32: my $namespace = "";
33:
34: # archive name (archive-path element, usually == $docdir)
35: my $archname;
36: # archive storage date
37: my $archdate;
38:
39: #######################################################
40: # external programs
41: #
42: my $archprog = "/opt/tivoli/tsm/client/ba/bin/dsmc";
43: if (! -x $archprog) {
44: logger("ABORT", "TSM client program '$archprog' missing!!");
45: exit 1;
46: }
47: my $checkprog = "/usr/local/mpiwg/archive/archivecheck";
48: if (! -x $checkprog) {
49: logger("ABORT", "archive checking program '$checkprog' missing!!");
50: exit 1;
51: }
52: # log file for archiver
53: my $log_file = "/var/tmp/unarchiver.log";
54: if (! open LOG, ">>$log_file") {
55: logger("ABORT", "unable to write log file '$log_file'!!");
56: exit 1;
57: }
58:
59: #######################################################
60: # check parameters that were passed to the program
61: #
62: my $docdir = $$args{'path'};
63: if (! $docdir) {
64: print "ABORT: no document directory given!\n";
65: exit 1;
66: }
67: # strip trailing slashes
68: $docdir =~ s/\/$//;
69: if (! -d $docdir) {
70: print "ABORT: document directory \'$docdir\' doesn't exist!\n";
71: exit 1;
72: }
73:
74: my $metafile = "$docdir/index.meta";
75: if (! -f $metafile) {
76: print "ABORT: metadata index file \'$metafile\' doesn't exist!\n";
77: exit 1;
78: }
79:
80:
81: #######################################################
82: # internal variables
83: #
84:
85: # number of errors
86: my $errcnt = 0;
87: # number of warnings
88: my $warncnt = 0;
89:
90: #######################################################
91: # subroutines
92: #
93:
94:
95: #
96: # $files = read_resource_meta($rootnode)
97: #
98: # checks general resource meta information and reads the list of files
99: #
100: sub read_resource_meta {
101: my ($rootnode) = @_;
102: my %files;
103: #
104: # archive path
105: #
106: # get archive-path
107: $archname = sstrip($rootnode->findvalue('child::archive-path'));
108: if (! $archname) {
109: logger("ABORT", "archive-name element missing!!");
110: exit 1;
111: }
112:
113: #
114: # files
115: #
116: my @filenodes = $rootnode->findnodes('child::file');
117: foreach my $fn (@filenodes) {
118: my $name = sstrip($fn->findvalue('child::name'));
119: my $path = sstrip($fn->findvalue('child::path'));
120: logger("DEBUG", "FILE: ($path)$name");
121: my $f = ($path) ? "$path/$name" : "$name";
122: $files{$f} = [$name];
123: }
124:
125: #
126: # dirs
127: #
128: my @dirnodes = $rootnode->findnodes('child::dir');
129: foreach my $fn (@dirnodes) {
130: my $name = sstrip($fn->findvalue('child::name'));
131: my $path = sstrip($fn->findvalue('child::path'));
132: logger("DEBUG", "DIR: ($path)$name");
133: my $f = ($path) ? "$path/$name" : "$name";
134: $files{$f} = [$name];
135: }
136:
137: #
138: # archive-storage-date
139: #
140: my $archdate = $rootnode->find('child::archive-storage-date');
141: if ($archdate) {
142: logger("INFO", "archive storage date: $archdate");
143: } else {
144: logger("ERROR", "archive storage date missing!");
145: $errcnt++;
146: }
147:
148: #
149: # archive-recall-date
150: #
151: my $recalldatenode = ($rootnode->find('child::archive-recall-date'))->get_node(1);
152: if ($recalldatenode) {
153: print "INFO: archive recall date exists!\n";
154: # delete old date
155: $recalldatenode->removeChildNodes;
156: } else {
157: # create new storage date node
158: $recalldatenode = $rootnode->addNewChild($namespace, "archive-recall-date");
159: # move after archive-path
160: $rootnode->insertAfter($recalldatenode, ($rootnode->find('child::archive-storage-date'))->get_node(1));
161: }
162: $recalldatenode->appendTextNode(scalar localtime);
163: $xml_changed++;
164:
165: return \%files;
166: }
167:
168:
169: #
170: # $%files = run_retrieve
171: #
172: # runs the retriever program on $docdir and returns a list of archived files
173: #
174: # Sample output:
175: # Retrieving 17,234 /mpiwg/archive/data/test/auto_titit_123/pageimg/essen-wind1.jpg [Done]
176: #
177: sub run_retrieve {
178: my %files;
179: print LOG "START unarchive $version ", scalar localtime, "\n";
180: my $archcmd = $archprog;
181: $archcmd .= " retrieve -subdir=yes -replace=all";
182: $archcmd .= " -description='$archname'";
183: $archcmd .= " '$docdir/'";
184:
185: my $archcnt = 0;
186: print LOG "CMD: $archcmd\n";
187: if (open ARCH, "$archcmd 2>&1 |") {
188: while (<ARCH>) {
189: chomp;
190: print LOG "ARCH: $_\n";
191: if (/
192: Retrieving
193: \s+([\d,]+) # size
194: \s+(\S+) # file name
195: \s+\[Done\]
196: /x) {
197: my $size = $1;
198: my $file = $2;
199: $size =~ s/,//g;
200: logger("DEBUG", " RETRIEVE: file '$file'");
201: $archcnt++;
202: if ($files{$file}) {
203: logger("WARNING", "file $file seems to be archived multiple times.");
204: $warncnt++;
205: }
206: $files{$file} = [$size];
207: }
208: }
209: logger("INFO", "$archcnt archives of " . (scalar keys %files) . " files.");
210: } else {
211: logger("ABORT", "unable to start archive command '$archcmd'!!");
212: exit 1;
213: }
214: return \%files;
215: }
216:
217:
218: #
219: # check_files(\%files_to_retrieve, \%retrieved_files)
220: #
221: # compares the list of archived and retrieved files
222: #
223: sub check_files {
224: my ($to_retrieve, $retrieved) = @_;
225:
226: my $nt = scalar keys %$to_retrieve;
227: my $na = scalar keys %$retrieved;
228:
229: foreach my $ft (sort keys %$to_retrieve) {
230: my $fp = "$docdir/$ft";
231: #logger("DEBUG", " fp: $fp");
232: if ($$retrieved{$fp}) {
233: logger("DEBUG", "$ft retrieved OK");
234: $$retrieved{$fp}->[1] = "OK";
235: } else {
236: logger("ERROR", "file entry '$ft' missing from archive!");
237: $errcnt++;
238: }
239: }
240:
241: foreach my $fa (sort keys %$retrieved) {
242: if (! $$retrieved{$fa}->[1]) {
243: my ($fn, $fp) = split_file_path($fa);
244: if ($index_files{$fn}) {
245: logger("DEBUG", "$fa ignored");
246: $na--;
247: } else {
248: logger("WARNING", "$fa retrieved but not in list!");
249: $warncnt++;
250: }
251: }
252: }
253:
254: if ($nt > $na) {
255: logger("WARNING", "less files were retrieved ($na vs. $nt)!");
256: $warncnt++;
257: } elsif ($na > $nt) {
258: logger("WARNING", "more files were retrieved ($na vs. $nt)!");
259: $warncnt++;
260: }
261:
262: }
263:
264:
265:
266: #######################################################
267: # main
268: #
269:
270: logger("INFO", "unarchiver $version");
271:
272: # make shure the right user is running this program
273: my $user = getlogin;
274: if (($user ne "archive")&&($user ne "root")) {
275: logger("ABORT", "you must be archive or root user to run this program!");
276: exit 1;
277: }
278:
279: # use checkarchive first
280: if (system("$checkprog $docdir >/dev/null") == 0) {
281: logger("INFO", "archive '$docdir' check OK");
282: } else {
283: logger("ABORT", "archive '$docdir' check failed!!");
284: exit 1;
285: }
286:
287: # read index.meta file
288: my ($document, $rootnode) = read_xml($metafile);
289:
290: # check index file
291: my $archived_files = read_resource_meta($rootnode);
292: my $num_archived_files = scalar keys %$archived_files;
293:
294: # check for .archived file
295: if (-f "$docdir/.archived") {
296: logger("INFO", ".archived file exists.");
297: } else {
298: logger("WARNING", "no .archived file!");
299: $warncnt++;
300: }
301:
302: logger("INFO", "$num_archived_files files to retrieve.");
303:
304: # retrieve
305: my $retrieved_files = run_retrieve;
306:
307: my $num_arch_files = (scalar keys %$retrieved_files);
308: if ($num_arch_files == 0) {
309: logger("ABORT", "no files retrieved!!");
310: exit 1;
311: }
312: logger("INFO", "$num_arch_files files retrieved");
313:
314: # check list of archived files
315: check_files($archived_files, $retrieved_files);
316:
317: # rewrite index.meta file
318: write_xml($document, $metafile);
319:
320: logger("INFO", "$warncnt warnings");
321: logger("INFO", "$errcnt errors");
322: if ($errcnt == 0) {
323: logger("DONE", "" . (scalar keys %$retrieved_files) . " archived files retrieved");
324: } else {
325: logger("ABORT", "there were $errcnt errors!!");
326: exit 1;
327: }
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