import logging
import gzip
import threading
+import traceback
import Queue
import apt_pkg
+import datetime
+import traceback
from daklib import utils
from daklib.binary import Binary
from daklib.config import Config
bootstrap_bin
scan the debs in the existing pool and load contents into the bin_contents table
+ bootstrap
+ copy data from the bin_contents table into the deb_contents / udeb_contents tables
+
cruft
remove files/paths which are no longer referenced by a binary
"""
pass
-class GzippedContentWriter(object):
+class OneAtATime(object):
+ """
+ a one space queue which sits between multiple possible producers
+ and multiple possible consumers
"""
- An object which will write contents out to a Contents-$arch.gz
- file on a separate thread
+ def __init__(self):
+ self.next_in_line = None
+ self.read_lock = threading.Condition()
+ self.write_lock = threading.Condition()
+ self.die = False
+
+ def enqueue(self, next):
+ self.write_lock.acquire()
+ while self.next_in_line:
+ if self.die:
+ return
+ self.write_lock.wait()
+
+ assert( not self.next_in_line )
+ self.next_in_line = next
+ self.write_lock.release()
+ self.read_lock.acquire()
+ self.read_lock.notify()
+ self.read_lock.release()
+
+ def dequeue(self):
+ self.read_lock.acquire()
+ while not self.next_in_line:
+ if self.die:
+ return
+ self.read_lock.wait()
+
+ result = self.next_in_line
+
+ self.next_in_line = None
+ self.read_lock.release()
+ self.write_lock.acquire()
+ self.write_lock.notify()
+ self.write_lock.release()
+
+ return result
+
+
+class ContentsWorkThread(threading.Thread):
"""
+ """
+ def __init__(self, upstream, downstream):
+ threading.Thread.__init__(self)
+ self.upstream = upstream
+ self.downstream = downstream
- header = None # a class object holding the header section of contents file
+ def run(self):
+ while True:
+ try:
+ contents_file = self.upstream.dequeue()
+ if isinstance(contents_file,EndOfContents):
+ if self.downstream:
+ self.downstream.enqueue(contents_file)
+ break
+
+ s = datetime.datetime.now()
+ print("%s start: %s" % (self,contents_file) )
+ self._run(contents_file)
+ print("%s finished: %s in %d seconds" % (self, contents_file, (datetime.datetime.now()-s).seconds ))
+ if self.downstream:
+ self.downstream.enqueue(contents_file)
+ except:
+ traceback.print_exc()
+
+class QueryThread(ContentsWorkThread):
+ def __init__(self, upstream, downstream):
+ ContentsWorkThread.__init__(self, upstream, downstream)
+
+ def __str__(self):
+ return "QueryThread"
+ __repr__ = __str__
+
+ def _run(self, contents_file):
+ contents_file.query()
+
+class IngestThread(ContentsWorkThread):
+ def __init__(self, upstream, downstream):
+ ContentsWorkThread.__init__(self, upstream, downstream)
+
+ def __str__(self):
+ return "IngestThread"
+ __repr__ = __str__
+
+ def _run(self, contents_file):
+ contents_file.ingest()
+
+class SortThread(ContentsWorkThread):
+ def __init__(self, upstream, downstream):
+ ContentsWorkThread.__init__(self, upstream, downstream)
+
+ def __str__(self):
+ return "SortThread"
+ __repr__ = __str__
+
+ def _run(self, contents_file):
+ contents_file.sorted_keys = sorted(contents_file.filenames.keys())
+
+class OutputThread(ContentsWorkThread):
+ def __init__(self, upstream, downstream):
+ ContentsWorkThread.__init__(self, upstream, downstream)
+
+ def __str__(self):
+ return "OutputThread"
+ __repr__ = __str__
+
+ def _run(self, contents_file):
+ contents_file.open_file()
+ for fname in contents_file.sorted_keys:
+ contents_file.filehandle.write("%s\t%s\n" % (fname,contents_file.filenames[fname]))
+ contents_file.sorted_keys = None
+ contents_file.filenames.clear()
+
+class GzipThread(ContentsWorkThread):
+ def __init__(self, upstream, downstream):
+ ContentsWorkThread.__init__(self, upstream, downstream)
+
+ def __str__(self):
+ return "GzipThread"
+ __repr__ = __str__
+
+ def _run(self, contents_file):
+ os.system("gzip -f %s" % contents_file.filename)
+
+class ContentFile(object):
+ def __init__(self,
+ filename,
+ suite_str,
+ suite_id):
+
+ self.filename = filename
+ self.filenames = {}
+ self.sorted_keys = None
+ self.suite_str = suite_str
+ self.suite_id = suite_id
+ self.session = None
+ self.filehandle = None
+ self.results = None
+
+ def __str__(self):
+ return self.filename
+ __repr__ = __str__
+
+
+ def cleanup(self):
+ self.filenames = None
+ self.sortedkeys = None
+ self.filehandle.close()
+ self.session.close()
+
+ def ingest(self):
+ while True:
+ r = self.results.fetchone()
+ if not r:
+ break
+ filename, package = r
+ self.filenames[filename]=package
- def __init__(self, filename):
- """
- @type filename: string
- @param filename: the name of the file to write to
- """
- self.queue = Queue.Queue()
- self.current_file = None
- self.first_package = True
- self.output = self.open_file(filename)
- self.thread = threading.Thread(target=self.write_thread,
- name='Contents writer')
- self.thread.start()
-
- def open_file(self, filename):
+ self.session.close()
+
+ def open_file(self):
"""
opens a gzip stream to the contents file
"""
- filepath = Config()["Contents::Root"] + filename
- filedir = os.path.dirname(filepath)
+ filepath = Config()["Contents::Root"] + self.filename
+ filedir = os.path.dirname(self.filename)
if not os.path.isdir(filedir):
os.makedirs(filedir)
- return gzip.open(filepath, "w")
-
- def write(self, filename, section, package):
- """
- enqueue content to be written to the file on a separate thread
- """
- self.queue.put((filename,section,package))
+ self.filehandle = open(self.filename, "w")
+ self._write_header()
- def write_thread(self):
- """
- the target of a Thread which will do the actual writing
- """
- while True:
- next = self.queue.get()
- if isinstance(next, EndOfContents):
- self.output.write('\n')
- self.output.close()
- break
+ def _write_header(self):
+ self._get_header();
+ self.filehandle.write(ContentFile.header)
- (filename,section,package)=next
- if next != self.current_file:
- # this is the first file, so write the header first
- if not self.current_file:
- self.output.write(self._getHeader())
-
- self.output.write('\n%s\t' % filename)
- self.first_package = True
-
- self.current_file=filename
-
- if not self.first_package:
- self.output.write(',')
- else:
- self.first_package=False
- self.output.write('%s/%s' % (section,package))
-
- def finish(self):
- """
- enqueue the sentry object so that writers will know to terminate
- """
- self.queue.put(EndOfContents())
+ header=None
@classmethod
- def _getHeader(self):
+ def _get_header(self):
"""
Internal method to return the header for Contents.gz files
This is boilerplate which explains the contents of the file and how
it can be used.
"""
- if not GzippedContentWriter.header:
+ if not ContentFile.header:
if Config().has_key("Contents::Header"):
try:
h = open(os.path.join( Config()["Dir::Templates"],
Config()["Contents::Header"] ), "r")
- GzippedContentWriter.header = h.read()
+ ContentFile.header = h.read()
h.close()
except:
log.error( "error opening header file: %d\n%s" % (Config()["Contents::Header"],
traceback.format_exc() ))
- GzippedContentWriter.header = None
+ ContentFile.header = None
else:
- GzippedContentWriter.header = None
-
- return GzippedContentWriter.header
-
+ ContentFile.header = None
+
+ return ContentFile.header
+
+
+class DebContentFile(ContentFile):
+ def __init__(self,
+ filename,
+ suite_str,
+ suite_id,
+ arch_str,
+ arch_id):
+ ContentFile.__init__(self,
+ filename,
+ suite_str,
+ suite_id )
+ self.arch_str = arch_str
+ self.arch_id = arch_id
+
+ def query(self):
+ self.session = DBConn().session();
+
+ self.results = self.session.execute("""SELECT filename, comma_separated_list(section || '/' || package)
+ FROM deb_contents
+ WHERE ( arch=2 or arch = :arch) AND suite = :suite
+ """, { 'arch':self.arch_id, 'suite':self.suite_id } )
+
+class UdebContentFile(ContentFile):
+ def __init__(self,
+ filename,
+ suite_str,
+ suite_id,
+ section_name,
+ section_id):
+ ContentFile.__init__(self,
+ filename,
+ suite_str,
+ suite_id )
+
+ def query(self):
+ self.session = DBConn().session();
+
+ self.results = self.session.execute("""SELECT filename, comma_separated_list(section || '/' || package)
+ FROM udeb_contents
+ WHERE suite = :suite
+ group by filename
+ """ , { 'suite': self.suite_id } )
class Contents(object):
"""
Class capable of generating Contents-$arch.gz files
"""
-
def __init__(self):
self.header = None
s = DBConn().session()
- for binary in s.query(DBBinary).all() ):
+ for binary in s.query(DBBinary).yield_per(100):
+ print( "binary: %s" % binary.package )
filename = binary.poolfile.filename
# Check for existing contents
existingq = s.execute( "select 1 from bin_contents where binary_id=:id", {'id':binary.binary_id} );
"""
scan the existing debs in the pool to populate the contents database tables
"""
- pooldir = Config()[ 'Dir::Pool' ]
-
s = DBConn().session()
- for suite in s.query(Suite).all():
- for arch in get_suite_architectures(suite.suite_name, skipsrc=True, skipall=True, session=s):
- q = s.query(BinAssociation).join(Suite)
- q = q.join(Suite).filter_by(suite_name=suite.suite_name)
- q = q.join(DBBinary).join(Architecture).filter_by(arch.arch_string)
- for ba in q:
- filename = ba.binary.poolfile.filename
- # Check for existing contents
- existingq = s.query(ContentAssociations).filter_by(binary_pkg=ba.binary_id).limit(1)
- if existingq.count() > 0:
- log.debug( "already imported: %s" % (filename))
- else:
- # We don't have existing contents so import them
- log.debug( "scanning: %s" % (filename) )
- debfile = os.path.join(pooldir, filename)
- if os.path.exists(debfile):
- Binary(debfile, self.reject).scan_package(ba.binary_id, True)
- else:
- log.error("missing .deb: %s" % filename)
+
+ # get a mapping of all the override types we care about (right now .deb an .udeb)
+ override_type_map = {};
+ for override_type in s.query(OverrideType).all():
+ if override_type.overridetype.endswith('deb' ):
+ override_type_map[override_type.overridetype_id] = override_type.overridetype;
+
+ for override in s.query(Override).yield_per(100):
+ if not override_type_map.has_key(override.overridetype_id):
+ #this isn't an override we care about
+ continue
+
+ binaries = s.execute("""SELECT b.id, b.architecture
+ FROM binaries b
+ JOIN bin_associations ba ON ba.bin=b.id
+ WHERE ba.suite=:suite
+ AND b.package=:package""", {'suite':override.suite_id, 'package':override.package})
+ while True:
+ binary = binaries.fetchone()
+ if not binary:
+ break
+
+ exists = s.execute("SELECT 1 FROM %s_contents WHERE binary_id=:id limit 1" % override_type_map[override.overridetype_id], {'id':binary.id})
+
+
+ if exists.fetchone():
+ print '.',
+ continue
+ else:
+ print '+',
+
+ s.execute( """INSERT INTO %s_contents (filename,section,package,binary_id,arch,suite)
+ SELECT file, :section, :package, :binary_id, :arch, :suite
+ FROM bin_contents
+ WHERE binary_id=:binary_id;""" % override_type_map[override.overridetype_id],
+ { 'section' : override.section_id,
+ 'package' : override.package,
+ 'binary_id' : binary.id,
+ 'arch' : binary.architecture,
+ 'suite' : override.suite_id } )
+ s.commit()
+
+ def generate(self):
+ """
+ Generate contents files for both deb and udeb
+ """
+ self.deb_generate()
+ self.udeb_generate()
+
+ def deb_generate(self):
+ """
+ Generate Contents-$arch.gz files for every available arch in each given suite.
+ """
+ session = DBConn().session()
+ debtype_id = get_override_type("deb", session)
+ suites = self._suites()
+
+ inputtoquery = OneAtATime()
+ querytoingest = OneAtATime()
+ ingesttosort = OneAtATime()
+ sorttooutput = OneAtATime()
+ outputtogzip = OneAtATime()
+
+ qt = QueryThread(inputtoquery,querytoingest)
+ it = IngestThread(querytoingest,ingesttosort)
+ st = SortThread(ingesttosort,sorttooutput)
+ ot = OutputThread(sorttooutput,outputtogzip)
+ gt = GzipThread(outputtogzip, None)
+
+ qt.start()
+ it.start()
+ st.start()
+ ot.start()
+ gt.start()
+
+ # Get our suites, and the architectures
+ for suite in [i.lower() for i in suites]:
+ suite_id = get_suite(suite, session).suite_id
+ print( "got suite_id: %s for suite: %s" % (suite_id, suite ) )
+ arch_list = self._arches(suite_id, session)
+
+ for (arch_id,arch_str) in arch_list:
+ print( "suite: %s, arch: %s time: %s" %(suite_id, arch_id, datetime.datetime.now().isoformat()) )
+
+ filename = "dists/%s/Contents-%s" % (suite, arch_str)
+ cf = DebContentFile(filename, suite, suite_id, arch_str, arch_id)
+ inputtoquery.enqueue( cf )
+
+ inputtoquery.enqueue( EndOfContents() )
+ gt.join()
+
+ def udeb_generate(self):
+ """
+ Generate Contents-$arch.gz files for every available arch in each given suite.
+ """
+ session = DBConn().session()
+ udebtype_id=DBConn().get_override_type_id("udeb")
+ suites = self._suites()
+
+ inputtoquery = OneAtATime()
+ querytoingest = OneAtATime()
+ ingesttosort = OneAtATime()
+ sorttooutput = OneAtATime()
+ outputtogzip = OneAtATime()
+
+ qt = QueryThread(inputtoquery,querytoingest)
+ it = IngestThread(querytoingest,ingesttosort)
+ st = SortThread(ingesttosort,sorttooutput)
+ ot = OutputThread(sorttooutput,outputtogzip)
+ gt = GzipThread(outputtogzip, None)
+
+ qt.start()
+ it.start()
+ st.start()
+ ot.start()
+ gt.start()
def generate(self):
section = get_section(section, session)
# Get our suites
- for suite in which_suites():
+ for suite in which_suites(session):
# Which architectures do we need to work on
arch_list = get_suite_architectures(suite.suite_name, skipsrc=True, skipall=True, session=session)
# close all the files
for writer in file_writers.values():
writer.finish()
+ def _suites(self):
+ """
+ return a list of suites to operate on
+ """
+ if Config().has_key( "%s::%s" %(options_prefix,"Suite")):
+ suites = utils.split_args(Config()[ "%s::%s" %(options_prefix,"Suite")])
+ else:
+ suites = Config().SubTree("Suite").List()
+
+ return suites
+
+ def _arches(self, suite, session):
+ """
+ return a list of archs to operate on
+ """
+ arch_list = []
+ arches = session.execute(
+ """SELECT s.architecture, a.arch_string
+ FROM suite_architectures s
+ JOIN architecture a ON (s.architecture=a.id)
+ WHERE suite = :suite_id""",
+ {'suite_id':suite } )
+
+ while True:
+ r = arches.fetchone()
+ if not r:
+ break
+
+ if r[1] != "source" and r[1] != "all":
+ arch_list.append((r[0], r[1]))
+
+ return arch_list
+
################################################################################
commands = {'generate' : Contents.generate,
'bootstrap_bin' : Contents.bootstrap_bin,
+ 'bootstrap' : Contents.bootstrap,
'cruft' : Contents.cruft,
}