def store(self, chrootFingerprint, root):
path = self._fingerPrintToPath(chrootFingerprint)
prefix = sha1ToString(chrootFingerprint) + '.'
util.mkdirChain(self.cacheDir)
lock = locking.LockFile(path + '.lock')
if not lock.acquire(wait=False):
# Busy, just do nothing
return
fd, fn = tempfile.mkstemp(self.suffix, prefix, self.cacheDir)
os.close(fd)
try:
subprocess.call('tar -cC %s . | %s > %s' % (root, self.compress,
fn), shell=True)
os.rename(fn, path)
finally:
util.removeIfExists(fn)
lock.release()
ChrootManifest.store(root, path)
self.prune()
def store(self, chrootFingerprint, root):
path = self._fingerPrintToPath(chrootFingerprint)
prefix = sha1ToString(chrootFingerprint) + '.'
util.mkdirChain(self.cacheDir)
lock = locking.LockFile(path + '.lock')
if not lock.acquire(wait=False):
# Busy, just do nothing
return
fd, fn = tempfile.mkstemp(self.suffix, prefix, self.cacheDir)
os.close(fd)
try:
subprocess.call('tar -cC %s . | %s > %s' %
(root, self.compress, fn),
shell=True)
os.rename(fn, path)
finally:
util.removeIfExists(fn)
lock.release()
ChrootManifest.store(root, path)
self.prune()
def _getManifest(self, client):
job = (sorted(self.jobList) + sorted(self.crossJobList) +
sorted(self.bootstrapJobList))
fingerprints = client.repos.getChangeSetFingerprints(
job,
recurse=False,
withFiles=True,
withFileContents=True,
excludeAutoSource=True,
mirrorMode=False)
a = len(self.jobList)
b = a + len(self.crossJobList)
return ChrootManifest(
jobFingerprints=fingerprints[:a],
crossFingerprints=fingerprints[a:b],
bootstrapFingerprints=fingerprints[b:],
rpmRequirements=self.cfg.rpmRequirements,
)
def findPartialMatch(self, manifest):
"""
Scan through existing cached chroots for one with a subset of the
needed troves.
Returns the fingerprint of the partial match that is closest to
C{manifest} without any extra troves.
"""
bestScore = -1
bestFingerprint = None
for name in os.listdir(self.cacheDir):
if len(name) != (40 + len(self.suffix)) or not name.endswith(self.suffix):
continue
cached = ChrootManifest.read(os.path.join(self.cacheDir, name))
if not cached:
continue
score = manifest.score(cached)
if score > bestScore:
bestScore = score
bestFingerprint = sha1FromString(name[:40])
return bestFingerprint
def findPartialMatch(self, manifest):
"""
Scan through existing cached chroots for one with a subset of the
needed troves.
Returns the fingerprint of the partial match that is closest to
C{manifest} without any extra troves.
"""
bestScore = -1
bestFingerprint = None
for name in os.listdir(self.cacheDir):
if len(name) != (40 + len(self.suffix)) or not name.endswith(
self.suffix):
continue
cached = ChrootManifest.read(os.path.join(self.cacheDir, name))
if not cached:
continue
score = manifest.score(cached)
if score > bestScore:
bestScore = score
bestFingerprint = sha1FromString(name[:40])
return bestFingerprint
