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clean shutdown of listener #234
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klahnakoski
commented
Aug 6, 2020
Comment on lines
-116
to
+130
| start = time.time() | ||
| while time.time() - start < 30: | ||
| if login.last_state_check is None: | ||
| pass | ||
| elif (time.time() - login.last_state_check > | ||
| login.max_sleep_no_state_check): | ||
| logger.error( | ||
| "No response from web interface for {} seconds, shutting " | ||
| "down.".format(login.max_sleep_no_state_check)) | ||
| exit_sigint() | ||
| time.sleep(0.5) | ||
| # start = time.time() | ||
| # while time.time() - start < 30: | ||
| # if login.last_state_check is None: | ||
| # pass | ||
| # elif (time.time() - login.last_state_check > | ||
| # login.max_sleep_no_state_check): | ||
| # logger.error( | ||
| # "No response from web interface for {} seconds, shutting " | ||
| # "down.".format(login.max_sleep_no_state_check)) | ||
| # exit_sigint() | ||
| # time.sleep(0.5) |
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I will require guidance here: This 2 second response time is too strict on my machine.
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...plus it seems to delay response for 30 seconds
mozilla_aws_cli/listener.py
Outdated
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| class ServerThread(threading.Thread): | ||
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| def __init__(self, app): | ||
| threading.Thread.__init__(self) | ||
| self.srv = make_server('127.0.0.1', port, app) | ||
| self.ctx = app.app_context() | ||
| self.ctx.push() | ||
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| def run(self): | ||
| self.srv.serve_forever() | ||
| logger.debug("Flask done") | ||
|
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| def shutdown(self): | ||
| try: | ||
| self.srv.shutdown() | ||
| except Exception: | ||
| ... |
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We make a server so we have shutdown control
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| is_done.set() | ||
| threading.Timer(2, server.shutdown).start() |
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Call shutdown in a couple of seconds. This could be shorter time, if we know more about how long the shutdown response takes to be delivered.
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| server = ServerThread(app) | ||
| server.start() | ||
| is_done.wait() |
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login() will actually return
klahnakoski
added a commit
to klahnakoski/mozilla-aws-cli-mozilla
that referenced
this pull request
Aug 11, 2020
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This is a proposed change to ensure the Flask server can be shutdown without bringing down the whole process.