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Each line of event.env is an independent rule: ["msg" if ] <check> <op> <thr>. Check runs on every pass; first numeric output compared float-safe; op is the rightmost 'op threshold' pair so checks with their own >/< parse fine. Alerts once on false->true + one recovery message on true->false (no repeats while the condition holds); per-rule state keyed by rule-line hash in ~/.local/share/linux_post_install/eventer/state/. Subcommands: run (timer entrypoint), config (interactive add/remove/edit with check-validation), list (rules + live values), enable [interval] (systemd user timer pos-event-trigger.timer; 5m..weekly or OnCalendar; graceful without a user manager, loginctl enable-linger attempt), disable, status. --dry-run honors the DEV.md convention. Alerts via lib/notify.sh (Telegram default). New: bin/pos-system-event-trigger, lib/eventer-lib.sh, config/event.env template (no-clobber via postinstall), install.sh lib install, INTERACTIVE_CMDS entry. Docs: POS.md system row, HOWTO.md index, howto/event-trigger.md. make gen && make check green; functional tests cover trigger/recovery/no-repeat, float+unit parsing, editor add/remove/edit + validation + dry-run, timer enable/disable/status, dispatcher routing.
22 lines
1021 B
Bash
22 lines
1021 B
Bash
# eventer rules — evaluated by 'pos system event-trigger run' (systemd timer).
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# Copied to ~/.config/linux_post_install/event.env on install (no clobber).
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# One independent rule per line. Grammar:
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#
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# "<message>" if <check-command> <op> <threshold>
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# <check-command> <op> <threshold> (no message → auto-composed)
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#
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# The check command is run; its first numeric output is compared against the
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# threshold (float-safe, unit suffix on the threshold is fine: 60c, 80%, 10g).
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# Operators: > < >= <= == !=
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#
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# Rules alert once on false→true (plus one recovery message when the
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# condition clears) via lib/notify.sh — Telegram by default.
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#
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# Examples:
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# "CPU too hot" if sensors -u | grep -m1 temp1_input | awk '{print $2}' > 60c
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# "Disk nearly full" if df -P / | awk 'NR==2{print $5+0}' > 80%
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# "Load high" if uptime | sed 's/.*load average: //; s/,.*//' >= 4
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#
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# Manage rules interactively: pos system event-trigger config
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# Schedule the timer: pos system event-trigger enable 5m
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