[magnum][api] Error system library fopen too many open files with magnum-auto-healer

Ionut Biru ionut at fleio.com
Fri Dec 18 13:22:09 UTC 2020

Hi guys,

I have an issue with magnum api returning an error after a while:
Server-side error: "[('system library', 'fopen', 'Too many open files'),
('BIO routines', 'BIO_new_file', 'system lib'), ('x509 certificate
routines', 'X509_load_cert_crl_file', 'system lib')]"

Log file: https://paste.xinu.at/6djE/

This started to appear after I enabled the template auto_healing_controller
= magnum-auto-healer,  magnum_auto_healer_tag = v1.19.0.

Currently, I only have 4 clusters.

After that the API is in error state and doesn't work unless I restart it.

Ionut Biru - https://fleio.com
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