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Retry chronyc waitsync only once

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It's unlikely that a third chrony synchronization attempt is going to
succeed after the the first two attempts have failed. Perform more
retries with smaller timeout.

This speed up installer by 11 seconds on systems without fully
configured chronyd or no chronyd (e.g. containers).

Related: https://pagure.io/freeipa/issue/8521
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Francois Cami <fcami@redhat.com>
This commit is contained in:
Christian Heimes 2020-09-21 13:23:32 +02:00
parent 38d083e344
commit 3ab3ed5ff2
1 changed files with 10 additions and 7 deletions
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17
ipaclient/install/timeconf.py
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@ -82,13 +82,16 @@ def sync_chrony():
# Restart chronyd
services.knownservices.chronyd.restart()
sync_attempt_count = 3
# chrony attempt count to sync with configiured servers
# each next attempt is tried after 10seconds of timeot
# 3 attempts means: if first immidiate attempt fails
# there is 10s delay between next attempts
args = [paths.CHRONYC, 'waitsync', str(sync_attempt_count), '-d']
# chrony attempt count to sync with configured servers. Each attempt is
# retried after $interval seconds.
# 4 attempts with 3s interval result in a maximum delay of 9 seconds.
sync_attempt_count = 4
sync_attempt_interval = 3
args = [
paths.CHRONYC, '-d', 'waitsync',
# max-tries, max-correction, max-skew, interval
str(sync_attempt_count), '0', '0', str(sync_attempt_interval)
]
try:
logger.info('Attempting to sync time with chronyc.')