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Merge pull request #3323 from freqtrade/simplify_sdnotify

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[minor] Simplify sd_notify usage
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hroff-1902 2020-05-18 11:29:18 +03:00 committed by GitHub
commit 18e38a3fe3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 18 deletions
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33
freqtrade/worker.py
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@ -37,9 +37,7 @@ class Worker:
self._heartbeat_msg: float = 0
# Tell systemd that we completed initialization phase
if self._sd_notify:
logger.debug("sd_notify: READY=1")
self._sd_notify.notify("READY=1")
self._notify("READY=1")
def _init(self, reconfig: bool) -> None:
"""
@ -60,6 +58,15 @@ class Worker:
self._sd_notify = sdnotify.SystemdNotifier() if \
self._config.get('internals', {}).get('sd_notify', False) else None
def _notify(self, message: str) -> None:
"""
Removes the need to verify in all occurances if sd_notify is enabled
:param message: Message to send to systemd if it's enabled.
"""
if self._sd_notify:
logger.debug(f"sd_notify: {message}")
self._sd_notify.notify(message)
def run(self) -> None:
state = None
while True:
@ -89,17 +96,13 @@ class Worker:
if state == State.STOPPED:
# Ping systemd watchdog before sleeping in the stopped state
if self._sd_notify:
logger.debug("sd_notify: WATCHDOG=1\\nSTATUS=State: STOPPED.")
self._sd_notify.notify("WATCHDOG=1\nSTATUS=State: STOPPED.")
self._notify("WATCHDOG=1\nSTATUS=State: STOPPED.")
self._throttle(func=self._process_stopped, throttle_secs=self._throttle_secs)
elif state == State.RUNNING:
# Ping systemd watchdog before throttling
if self._sd_notify:
logger.debug("sd_notify: WATCHDOG=1\\nSTATUS=State: RUNNING.")
self._sd_notify.notify("WATCHDOG=1\nSTATUS=State: RUNNING.")
self._notify("WATCHDOG=1\nSTATUS=State: RUNNING.")
self._throttle(func=self._process_running, throttle_secs=self._throttle_secs)
@ -154,9 +157,7 @@ class Worker:
replaces it with the new instance
"""
# Tell systemd that we initiated reconfiguration
if self._sd_notify:
logger.debug("sd_notify: RELOADING=1")
self._sd_notify.notify("RELOADING=1")
self._notify("RELOADING=1")
# Clean up current freqtrade modules
self.freqtrade.cleanup()
@ -167,15 +168,11 @@ class Worker:
self.freqtrade.notify_status('config reloaded')
# Tell systemd that we completed reconfiguration
if self._sd_notify:
logger.debug("sd_notify: READY=1")
self._sd_notify.notify("READY=1")
self._notify("READY=1")
def exit(self) -> None:
# Tell systemd that we are exiting now
if self._sd_notify:
logger.debug("sd_notify: STOPPING=1")
self._sd_notify.notify("STOPPING=1")
self._notify("STOPPING=1")
if self.freqtrade:
self.freqtrade.notify_status('process died')