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Retry backoff #33

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Retry backoff #33

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37f124f
Adding exponential backoff for initial influx connection
Oct 2, 2022
1c2e7dc
Making it default to 2s
Oct 2, 2022
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7 changes: 5 additions & 2 deletions speedflux/influx.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import sys
import sys, random, time
from urllib3.exceptions import NewConnectionError

from influxdb import InfluxDBClient
Expand All @@ -25,7 +25,7 @@ def client(self):
speedflux.LOG.debug("Client extablished")
return self._client

def init_db(self):
def init_db(self, backoff_in_seconds = 2):

try:
speedflux.LOG.debug("Intitializing Influx Database")
Expand All @@ -44,13 +44,16 @@ def init_db(self):
speedflux.LOG.error(
"Database Init failed for 3rd time. Exiting")
sys.exit()
sleep = (backoff_in_seconds * 2 ** self.retries + random.uniform(0, 1))
self.retries += 1
speedflux.LOG.error(
"Connection to influx host was refused. This likely "
"means that the DB is down or INFLUX_DB_ADDRESS is "
f"incorrect. It's currently '{self.config.INFLUX_DB_ADDRESS}'")
speedflux.LOG.error("Full Error follows\n")
speedflux.LOG.error(bad_host)
speedflux.LOG.info(f"Backing off before retrying. Sleeping for {sleep} seconds")
time.sleep(sleep)
speedflux.LOG.error(f"Retry {self.retries}: Initiliazing DB.")
self.init_db()

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