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add incident 029: ans create a service for the offloader vm

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Gregor Michels 2022-12-23 01:39:26 +01:00
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@ -1235,3 +1235,31 @@ eae-adp-jump01# crontab -e
[...]
0 */2 * * * rcctl restart prometheus
```
029 2022.11.29 03:00 (ANS) | (maintenance) automagically start offloader
------------------------------------------------------------------------
---
_this log entry was added way after doing the actual work.
Please read it with a grain of salt_
---
**problem**:
ANS washes the traffic via a FFLPZ/FFDD offloader vm.
There only was a script that manually started the offloader vm.
On reboots the offloader vm would not automagically start.
**solution**:
implement a service that starts the vm
**impact**:
after validating the script on another openwrt machine I tested the script in production.
This created the following downtimes:
* `offloader` down from 02:50 to 03:05 -- service interruption for the public wifi
* `ffl-ans-gw-core01` down from 02:53 to 02:55 -- service interruption for everybody
**disclaimer**:
The script is manually deployed on `ffl-ans-gw-core01` and therefore not part of this repo at the moment