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- Rev 37395 2026-08-25 20:24:34
- Author: amit
- Log message:
- observability: retire the dead Nagios monitoring path, migrate balance signals to Micrometer
There is no Nagios server and the NRPE daemons have been removed from every
host, so the properties files written under /var/log/services were being
produced for nobody.
Deleted:
- CronMetricsService: zero references. Spring instantiated the @Service so its
constructor registered three meters, but nothing ever incremented them --
cron_execution_* read 0 in prometheus while cron_job_count_total (from
CronJobMonitorAspect) had recorded 1,597 executions.
- NagiosMonitoringScheduledSkeleton.
Removed the nagios properties writes from ScheduledSkeleton (-155 lines) and
KnowlarityCallMonitorScheduler (-46, including its now-purposeless
markTaskComplete helper). These recorded a per-job 0/1 status that
CronJobMonitorAspect already captures properly as success, failure and
duration metrics.
Kept the two signals that are genuinely useful: SMS gateway balance and the
ThinkWalnut recharge wallet balance now publish as Micrometer gauges via the
new BalanceGauges component, scraped from /actuator/prometheus. -1 means 'not
read yet' so a scrape before the first run is distinguishable from a real zero.
No behaviour change to any scheduled job. Compiles clean.