def dump_revs(self):
'''
dump revision content corresponding to previously-dumped
stubs (revision metadata)
'''
if not self.steps['revs']['run']:
return True
dumpdir = MiscDumpDir(self.wiki.config, self.wiki.date)
outputdir = dumpdir.get_dumpdir(self.wiki.db_name, self.wiki.date)
revsfile = RevsFile(self.wiki.config, self.wiki.date, self.wiki.db_name)
outputfile = revsfile.get_filename()
script_command = MultiVersion.mw_script_as_array(self.wiki.config,
"dumpTextPass.php")
command = [self.wiki.config.php]
command.extend(script_command)
stubfile = StubFile(self.wiki.config, self.wiki.date, self.wiki.db_name)
stuboutputfile = stubfile.get_filename()
command.extend(["--wiki=%s" % self.wiki.db_name,
"--stub=gzip:%s" % os.path.join(outputdir, stuboutputfile),
"--quiet",
"--spawn=%s" % self.wiki.config.php,
"--output=bzip2:%s" % os.path.join(outputdir, outputfile)])
if self.dryrun:
print "would run command for revs dump:", command
else:
log.info("running with no output: " + " ".join(command))
success = RunSimpleCommand.run_with_no_output(
command, shell=False, timeout=self.get_lock_timeout_interval(),
timeout_callback=self.periodic_callback)
if not success:
log.warning("error producing revision text files"
" for wiki %s", self.wiki.db_name)
return False
return True
def run(self):
'''
dump maxrevid, stubs for revs from previous maxrevid to current one,
revision content for these stubs, for given wiki and date
'''
try:
log.info("retrieving max rev id for wiki %s", self.wiki.db_name)
max_revid = self.dump_max_revid()
if not max_revid:
return False
log.info("retrieving prev max rev id for wiki %s", self.wiki.db_name)
prev_revid = self.get_prev_revid(max_revid)
if not prev_revid:
return False
log.info("producing stub file for wiki %s", self.wiki.db_name)
if not self.dump_stub(prev_revid, max_revid):
return False
log.info("producing content file for wiki %s", self.wiki.db_name)
if not self.dump_revs():
return False
except Exception as ex:
log.warning("Error encountered runing dump for %s ", self.wiki.db_name,
exc_info=ex)
return False
return True
def dump_stub(self, start_revid, end_revid):
'''
dump stubs (metadata) for revs from start_revid
up to but not including end_revid
'''
if not self.steps['stubs']['run']:
return True
dumpdir = MiscDumpDir(self.wiki.config, self.wiki.date)
outputdir = dumpdir.get_dumpdir(self.wiki.db_name, self.wiki.date)
stubfile = StubFile(self.wiki.config, self.wiki.date, self.wiki.db_name)
outputfile = stubfile.get_filename()
script_command = MultiVersion.mw_script_as_array(self.wiki.config,
"dumpBackup.php")
command = [self.wiki.config.php]
command.extend(script_command)
command.extend(["--wiki=%s" % self.wiki.db_name, "--stub", "--quiet",
"--output=gzip:%s" % os.path.join(outputdir, outputfile),
"--revrange", "--revstart=%s" % start_revid,
"--revend=%s" % end_revid])
if self.dryrun:
print "would run command for stubs dump:", command
else:
log.info("running with no output: " + " ".join(command))
success = RunSimpleCommand.run_with_no_output(
command, shell=False, timeout=self.get_lock_timeout_interval(),
timeout_callback=self.periodic_callback)
if not success:
log.warning("error producing stub files for wiki %s", self.wiki.db_name)
return False
return True
def dump_html(self):
'''
dump HTML-formated revision content from RESTBase
for the given wiki and date
'''
dumpdir = MiscDumpDir(self.wiki.config, self.wiki.date)
outputdir = dumpdir.get_dumpdir(self.wiki.db_name, self.wiki.date)
htmlfile = HTMLFile(self.wiki.config, self.wiki.date, self.wiki.db_name)
outputfile = htmlfile.get_filename(self.args['ns'])
# /usr/bin/nodejs ./bin/dump_wiki --domain en.wikipedia.org --ns 0 \
# --apiURL http://en.wikipedia.org/w/api.php \
# --dataBase /srv/www/htmldumps/dumps/20160826/en.wikipedia.org.articles.ns0.sqlite3
domain = self.get_domain_from_wikidbname()
# FIXME: the nodejs wrapper which will do the compress etc stuff for one wiki is
# not yet written
command = [self.wiki.config.nodejs]
command.append(self.wiki.config.scriptpath)
command.extend(["--domain", domain, "--ns", self.args['ns'],
"--apiURL", "http://%s/w/api.php" % domain,
"--dataBase", os.path.join(outputdir, outputfile),
"--wiki=%s" % self.wiki.db_name,
"--output=gzip:%s" % os.path.join(outputdir, outputfile)])
if self.dryrun:
print "would run command for html dump:", command
else:
success = RunSimpleCommand.run_with_no_output(
command, shell=False,
timeout=self.get_lock_timeout_interval(),
timeout_callback=self.periodic_callback)
if not success:
log.warning("error producing html files for wiki %s", self.wiki.db_name)
return False
return True
def do_one_wiki(self):
"""
run dump of specified type for one wiki, for given date
unless it is among the wikis we skip, has already been run
for the date, or some other process has the lock and is
therefore presumably already dumping it
"""
if not skip_wiki(self.wiki.db_name, self.wiki.config):
dumpdir = MiscDumpDir(self.args["config"], self.args["date"])
if not exists(dumpdir.get_dumpdir(self.wiki.db_name)):
os.makedirs(dumpdir.get_dumpdir(self.wiki.db_name))
status_info = StatusInfo(self.args["config"], self.wiki.date, self.wiki.db_name)
status = status_info.get_status()
if status == "done:all" and not self.flags["forcerun"]:
log.info("wiki %s skipped, adds/changes dump already" " complete", self.wiki.db_name)
return STATUS_GOOD
if not self.flags["dryrun"]:
lock = MiscDumpLock(self.args["config"], self.wiki.date, self.wiki.db_name)
# if lock is stale, remove it
lock.remove_if_stale(self.wiki.config.lock_stale)
# try to get the lock ourselves
if not lock.get_lock():
log.info(
"wiki %s skipped, wiki is locked," " another process should be doing the job", self.wiki.db_name
)
return STATUS_TODO
self.dumper.set_lockinfo(lock)
dumps_dirs = MiscDumpDirs(self.wiki.config, self.wiki.db_name)
dumps_dirs.cleanup_old_dumps(self.wiki.date)
log.info("Doing run for wiki: %s", self.wiki.db_name)
try:
result = self.dumper.run()
if not result:
return STATUS_FAILED
if not self.flags["dryrun"]:
output_files, expected = self.dumper.get_output_files()
if not md5sums(self.wiki, self.wiki.config.fileperms, output_files, expected):
return STATUS_FAILED
status_info.set_status("done:" + self.dumper.get_steps_done())
lock.unlock_if_owner()
if self.flags["do_index"]:
index = Index(self.args)
index.do_all_wikis()
except Exception as ex:
log.warning("error from dump run" " for wiki %s", self.wiki.db_name, exc_info=ex)
if not self.flags["dryrun"]:
lock.unlock_if_owner()
return STATUS_FAILED
log.info("Success! Wiki %s %s dump complete.", self.wiki.db_name, self.args["dumptype"])
return STATUS_GOOD
def run(self):
'''
dump html from RESTBase of revision content, for given wiki and date
'''
try:
log.info("dumping html for wiki %s", self.wiki.db_name)
if not self.dump_html():
return False
except Exception as ex:
log.warning("Error encountered runing dump for %s ", self.wiki.db_name,
exc_info=ex)
return False
return True
def do_one_wiki(self, wikiname, date=None):
"""
collect the text strings for one wiki to be inserted into
the index.html file
"""
if not skip_wiki(wikiname, self.args["config"]):
dumps_dirs = MiscDumpDirs(self.args["config"], wikiname)
if not exists(self.dumpdir.get_dumpdir_no_date(wikiname)):
log.info("No dump for wiki %s", wikiname)
return
if date is not None:
dump_date = date
else:
dump_date = dumps_dirs.get_latest_dump_date(True)
if not dump_date:
log.info("No dump for wiki %s", wikiname)
return
other_runs_text = "other runs: %s<br />" % make_link(wikiname, wikiname)
try:
wiki = Wiki(self.args["config"], wikiname)
wiki.set_date(dump_date)
files_text = self.get_files_text(wiki)
stat_text = self.get_stat_text(dump_date, wikiname)
except Exception as ex:
log.warning("Error encountered, no information available" " for wiki %s", wikiname, exc_info=ex)
return "<strong>%s</strong> Error encountered," " no information available | %s" % (
wikiname,
other_runs_text,
)
try:
wikiname_text = "<strong>%s</strong>" % wikiname
wiki_info = " ".join([entry for entry in [wikiname_text, stat_text] if entry is not None]) + "<br />"
wiki_info = wiki_info + " " + "\n ".join(files_text)
wiki_info = wiki_info + "\n " + other_runs_text
except Exception as ex:
log.warning("Error encountered formatting information" " for wiki %s", wikiname, exc_info=ex)
return "Error encountered formatting information" " for wiki %s" % wikiname
return wiki_info
def get_domain_from_wikidbname(self):
'''
given the name of the wiki db, turn this into the
fqdn of the wiki project (i.e. enwiki -> en.wikipedia.org)
'''
script_command = MultiVersion.mw_script_as_array(self.wiki.config,
"eval.php")
# echo $wgCanonicalServer | php "$multiversionscript" eval.php $wiki
command = ["echo", "'echo $wgCanonicalServer;'", "|", self.wiki.config.php]
command.extend(script_command)
command.append(self.wiki.db_name)
command_text = " ".join(command)
log.info("running with no output: " + command_text)
output = RunSimpleCommand.run_with_output(command_text, shell=True)
if not output:
log.warning("error retrieving domain for wiki %s", self.wiki.db_name)
return None
# rstrip gets rid of any trailing newlines from eval.php
return output.split('//')[1].rstrip()
