Begin Hnefatafl from the game kit

2026-09-23 12:45:44 -04:00
commit ed1dcad259
59 changed files with 8048 additions and 0 deletions
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+#!/bin/bash
+# The operations pulse, printed ON the droplet: the game server's health,
+# errors in its journal, the last week of the rollup, the backup's last word,
+# and the box's vitals. Read by the hnefatafl-pulse skill.
+set -u
+echo "as of $(date -u '+%F %H:%M') UTC on $(hostname); up $(uptime -p | sed 's/up //')"
+echo "--- game server"
+systemctl is-active hnefatafl >/dev/null && echo "hnefatafl: active since $(systemctl show hnefatafl -p ActiveEnterTimestamp --value)" || echo "hnefatafl: NOT ACTIVE"
+systemctl is-active caddy >/dev/null && echo "caddy: active" || echo "caddy: NOT ACTIVE"
+echo "restarts in 7 days: $(journalctl -u hnefatafl --since '7 days ago' -o cat | grep -c 'Started hnefatafl')"
+ERR=$(journalctl -u hnefatafl --since '7 days ago' -p err -o cat | grep -vc '^$')
+echo "journal errors in 7 days: $ERR"
+journalctl -u hnefatafl --since '7 days ago' -o cat | grep -iE "error|unhandled|exception" | grep -v "Rate" | tail -3 | sed 's/^/  /'
+echo "--- rollup, last 7 days (people / requests / rooms opened / turns)"
+if [ -s /var/lib/hnefatafl/rollup.jsonl ]; then
+  tail -7 /var/lib/hnefatafl/rollup.jsonl | python3 -c '
+import json, sys
+for l in sys.stdin:
+    r = json.loads(l); rm = r["rooms"]
+    print("  %s  %3d people  %4d requests  %2d rooms (%d started, %d with turns)  %3d turns  bots %d addr  refs %s" % (
+        r["day"], r["humanAddresses"], r["human"], rm["created"], rm["started"], rm["withTurns"], r["turns"], r["botAddresses"],
+        ",".join(sorted(r["referrers"])) or "-"))'
+else
+  echo "  (no rollup yet)"
+fi
+echo "--- ledgers"
+echo "rooms on disk: $(ls /var/lib/hnefatafl/rooms/*.jsonl 2>/dev/null | wc -l); touched in 24h: $(find /var/lib/hnefatafl/rooms -name '*.jsonl' -mmin -1440 2>/dev/null | wc -l); size $(du -sh /var/lib/hnefatafl/rooms 2>/dev/null | cut -f1)"
+echo "--- backup"
+if [ -f /var/log/hnefatafl/backup.log ]; then
+  grep -E "backup (start|done)|skipped|error|ERROR" /var/log/hnefatafl/backup.log | tail -2 | sed 's/^/  /'
+else
+  echo "  never run"
+fi
+echo "--- box"
+echo "disk: $(df -h / | awk 'NR==2{print $5" used of "$2}'); memory: $(free -m | awk 'NR==2{print $7" MB available of "$2}'); load: $(cut -d' ' -f1-3 /proc/loadavg)"
+echo "caddy access log: $(du -sh /var/lib/caddy/access.log 2>/dev/null | cut -f1) live, $(ls /var/lib/caddy/access*.log* 2>/dev/null | wc -l) files"