Initial skills documentation — 25 categories, all SKILL.md + references + scripts

2026-07-15 17:42:20 -04:00
commit 1b4fcd4427
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+#!/bin/bash
+# backup-audit-check.sh — Daily check: was yesterday's full backup successful?
+# Runs ~1h after scheduled backup (2 AM UTC, backup at 1 AM UTC).
+# Exits 0 = OK, exits 1 = stale/missing.
+# Logs to syslog tag 'backup-audit'.
+# System crontab entry: 0 2 * * * /root/.hermes/scripts/backup-audit-check.sh 2>&1 | logger -t backup-audit
+
+set -euo pipefail
+
+ENDPOINT="https://s3.us-east-1.wasabisys.com"
+BUCKET="hermes-vps-backups"
+PREFIX="hermes-full-backup"
+
+if [ -f /opt/awscli-venv/bin/activate ]; then
+    source /opt/awscli-venv/bin/activate
+fi
+
+latest=$(aws s3 ls "s3://$BUCKET/$PREFIX/" --endpoint-url "$ENDPOINT" 2>&1 | grep "\.tar\.gz$" | sort | tail -1)
+
+if [ -z "$latest" ]; then
+    echo "[BACKUP-AUDIT] No full backup archives found on S3!"
+    exit 1
+fi
+
+date_str=$(echo "$latest" | awk '{print $1}')
+size_bytes=$(echo "$latest" | awk '{print $3}')
+file_name=$(echo "$latest" | awk '{print $4}')
+
+backup_epoch=$(date -d "$date_str" +%s 2>/dev/null || date -j -f "%Y-%m-%d" "$date_str" +%s 2>/dev/null)
+now_epoch=$(date +%s)
+age_hours=$(( (now_epoch - backup_epoch) / 3600 ))
+
+if [ "$age_hours" -lt 36 ]; then
+    echo "[BACKUP-AUDIT] OK — Last: $file_name ($date_str, ${size_bytes}B, ${age_hours}h ago)"
+    exit 0
+elif [ "$age_hours" -lt 60 ]; then
+    echo "[BACKUP-AUDIT] WARNING — Last backup $age_hours hours old: $file_name"
+    exit 0
+else
+    echo "[BACKUP-AUDIT] STALE — Last backup was $age_hours hours ago: $file_name"
+    exit 1
+fi