Alert grading & on-call routing

#Alert grading

Under System settings in the Alert grading & on-call routing section, assign sites to levels (e.g. Critical, Normal) and give each level its own channels and recipients:

Critical sites → email + DingTalk + browser push, all on;
Normal sites → email only.

Escalation rule: if an incident stays unresolved for more than escalate_minutes minutes, it's escalated and resent through the higher-level channels.

#On-call routing

It's not a fixed roster you fill in — it's computed:

Enter on-call members — your members' emails in order;
Set the rotation cycle (days per person) and the start date;
The system computes today's duty from member order + cycle + start date, and alerts go to whoever is on.

Why it's computed

A hand-filled roster always runs out — the schedule ends at month-end, nobody extends it, and alerts quietly go to nobody. Computing from "order + cycle + start date" can never run out.

On-call members' email addresses need recipient verification too.

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