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lvmdbusd: Add background command to flight recorder

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We were not adding background tasks to flight recorder.  Add the meta
data to the flight recorder when we start the command and update the meta
data when the command is finished.  Locking was added to meta data to
prevent concurrent update and returning string representation as these can
happen in two different threads.
This commit is contained in:
Tony Asleson
2017-06-02 12:25:01 -05:00
parent 192d142e1c
commit 699ccc05ca
2 changed files with 20 additions and 7 deletions
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14
daemons/lvmdbusd/cmdhandler.py
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@@ -37,6 +37,7 @@ cmd_lock = threading.RLock()
class LvmExecutionMeta(object):
def __init__(self, start, ended, cmd, ec, stdout_txt, stderr_txt):
self.lock = threading.RLock()
self.start = start
self.ended = ended
self.cmd = cmd
@@ -45,12 +46,13 @@ class LvmExecutionMeta(object):
self.stderr_txt = stderr_txt
def __str__(self):
return "EC= %d for %s\n" \
"STARTED: %f, ENDED: %f\n" \
"STDOUT=%s\n" \
"STDERR=%s\n" % \
(self.ec, str(self.cmd), self.start, self.ended, self.stdout_txt,
self.stderr_txt)
with self.lock:
return "EC= %d for %s\n" \
"STARTED: %f, ENDED: %f\n" \
"STDOUT=%s\n" \
"STDERR=%s\n" % \
(self.ec, str(self.cmd), self.start, self.ended, self.stdout_txt,
self.stderr_txt)
class LvmFlightRecorder(object):