#!/bin/bash
# SyslogAI Harness — Automated Maintenance
# Runs daily via cron

LOG="/var/log/harness-maintenance.log"
echo "=== $(date) ===" >> "$LOG"

# 1. Clean Redis timeseries keys older than 60 days
CUTOFF=$(date -d "60 days ago" +%Y%m%d%H)
echo "Redis: removing ts:* keys older than $CUTOFF" >> "$LOG"
DELETED=0
for key in $(docker exec harness-redis redis-cli KEYS "ts:*" 2>/dev/null); do
    TS=$(echo "$key" | grep -oP '\d{10}$')
    if [ -n "$TS" ] && [ "$TS" -lt "$CUTOFF" ] 2>/dev/null; then
        docker exec harness-redis redis-cli DEL "$key" > /dev/null 2>&1
        DELETED=$((DELETED + 1))
    fi
done
echo "Redis: deleted $DELETED stale timeseries keys" >> "$LOG"

# 2. Log stale model keys (leftover from migrations)
STALE=$(docker exec harness-redis redis-cli KEYS "*gemma*" 2>/dev/null)
if [ -n "$STALE" ]; then
    echo "WARNING: stale gemma keys found: $STALE" >> "$LOG"
fi

# 3. Prune Docker build cache (older than 7 days)
echo "Docker: pruning build cache" >> "$LOG"
docker builder prune -f --filter until=168h >> "$LOG" 2>&1

# 4. Log container health status
docker ps --format "table {{.Names}}\t{{.Status}}\t{{.RunningFor}}" >> "$LOG" 2>&1

# 5. Log Redis memory
docker exec harness-redis redis-cli INFO memory | grep used_memory_human >> "$LOG" 2>&1

echo "" >> "$LOG"