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author | Joshua Harlow <harlowja@yahoo-inc.com> | 2012-06-20 23:58:29 -0700 |
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committer | Joshua Harlow <harlowja@yahoo-inc.com> | 2012-06-20 23:58:29 -0700 |
commit | d8f49316e20cd11885f2ee5cfb9ad0ac7cf336c6 (patch) | |
tree | 6d88f00afc24c97cb5c22a138f1f913a79106da9 /cloudinit/helpers.py | |
parent | 85f9913e10e55bad037ea70a205c40ff169b7540 (diff) | |
download | vyos-cloud-init-d8f49316e20cd11885f2ee5cfb9ad0ac7cf336c6.tar.gz vyos-cloud-init-d8f49316e20cd11885f2ee5cfb9ad0ac7cf336c6.zip |
1. Add a dummy lock object + a file lock object
2. Use this object when returning semaphores
3. Adjust the debug statement to show this object
Diffstat (limited to 'cloudinit/helpers.py')
-rw-r--r-- | cloudinit/helpers.py | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/cloudinit/helpers.py b/cloudinit/helpers.py index 4447d1ee..b6974f3c 100644 --- a/cloudinit/helpers.py +++ b/cloudinit/helpers.py @@ -40,13 +40,17 @@ class LockFailure(Exception): pass +class DummyLock(object): + pass + + class DummySemaphores(object): def __init__(self): pass @contextlib.contextmanager def lock(self, _name, _freq, _clear_on_fail=False): - yield True + yield DummyLock() def has_run(self, _name, _freq): return False @@ -58,6 +62,11 @@ class DummySemaphores(object): pass +class FileLock(object): + def __init__(self, fn): + self.fn = fn + + class FileSemaphores(object): def __init__(self, sem_path): self.sem_path = sem_path @@ -101,7 +110,7 @@ class FileSemaphores(object): except (IOError, OSError): util.logexc(LOG, "Failed writing semaphore file %s", sem_file) return None - return sem_file + return FileLock(sem_file) def has_run(self, name, freq): if not freq or freq == PER_ALWAYS: @@ -158,8 +167,8 @@ class Runners(object): if not lk: raise LockFailure("Failed to acquire lock for %s" % name) else: - LOG.debug("Running %s with args %s using lock %s (%s)", - functor, args, util.obj_name(lk), lk) + LOG.debug("Running %s with args %s using lock (%s)", + functor, args, lk) if isinstance(args, (dict)): results = functor(**args) else: |