Mathieu MoranandCopilot
437434b972
Read-only health check (no args) or auto-fix mode (--fix):
- Service: active state, crash loop detection, recent log
- Hardware: OBD USB adapter (/dev/ttyUSBx), SIM868 UART (/dev/serial0),
dashcam USB mount, permissions
- Network: hotspot IP, web UI reachability, internet, upload server
- Storage: disk usage, SQLite integrity check, row counts, upload backlog,
log file size
- OBD status: parsed from log (last connect/disconnect/speed/errors)
- Python env: venv present, key packages importable
- Pi health: throttling flags decoded, CPU temp, free memory
- Manual recovery command cheatsheet printed at the end
Exit code = number of critical issues found (0 = healthy).
Co-authored-by: Copilot <[email protected]>
385 lines
16 KiB
Bash
Executable File
385 lines
16 KiB
Bash
Executable File
#!/usr/bin/env bash
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# =============================================================================
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# yaris-obd diagnostic & recovery script
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# Run ON THE PI (over SSH or directly):
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# bash ~/app/yaris-obd/scripts/diagnose.sh [--fix]
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#
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# Without --fix : read-only health check, prints a report, exits 0 if healthy.
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# With --fix : attempts to auto-fix every issue it finds. Safe to run while
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# the service is running — restarts are done with systemctl.
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# =============================================================================
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set -euo pipefail
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REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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LOG_FILE="$REPO_DIR/yaris-obd.log"
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SERVICE="yaris-obd.service"
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DB_FILE="$REPO_DIR/$(ls "$REPO_DIR"/*.db 2>/dev/null | head -1 | xargs basename 2>/dev/null || true)"
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FIX=false
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ISSUES=0
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WARNINGS=0
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# ── helpers ──────────────────────────────────────────────────────────────────
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red() { printf '\033[0;31m%s\033[0m\n' "$*"; }
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yellow() { printf '\033[0;33m%s\033[0m\n' "$*"; }
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green() { printf '\033[0;32m%s\033[0m\n' "$*"; }
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bold() { printf '\033[1m%s\033[0m\n' "$*"; }
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info() { printf ' %s\n' "$*"; }
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pass() { green " ✓ $*"; }
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warn() { yellow " ⚠ $*"; WARNINGS=$((WARNINGS+1)); }
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fail() { red " ✗ $*"; ISSUES=$((ISSUES+1)); }
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section() { echo; bold "── $* ──"; }
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fix_action() {
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# fix_action "description" "command..."
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local desc="$1"; shift
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if $FIX; then
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printf ' → Fixing: %s\n' "$desc"
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if eval "$@"; then
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green " Done."
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else
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red " Failed — manual intervention needed."
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fi
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else
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yellow " ↳ Run with --fix to attempt: $desc"
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fi
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}
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# ── argument parsing ──────────────────────────────────────────────────────────
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for arg in "$@"; do
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case "$arg" in
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--fix|-f) FIX=true ;;
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--help|-h)
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echo "Usage: $0 [--fix]"
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echo " --fix Attempt to auto-fix found issues (restarts service as needed)"
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exit 0 ;;
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esac
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done
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# =============================================================================
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echo
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bold "=========================================="
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bold " Yaris OBD — Diagnostic Report"
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bold " $(date '+%Y-%m-%d %H:%M:%S')"
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bold "=========================================="
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# ── 1. Service ────────────────────────────────────────────────────────────────
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section "1. Service"
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if systemctl is-active --quiet "$SERVICE"; then
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pass "Service is active (running)"
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UPTIME=$(systemctl show "$SERVICE" --property=ActiveEnterTimestamp --value 2>/dev/null || echo "unknown")
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info "Running since: $UPTIME"
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else
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STATE=$(systemctl is-active "$SERVICE" 2>/dev/null || true)
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fail "Service is NOT running (state: $STATE)"
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LAST_ERR=$(journalctl -u "$SERVICE" -n 5 --no-pager -q 2>/dev/null || tail -5 "$LOG_FILE" 2>/dev/null || echo "no logs")
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info "Last log lines:"
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echo "$LAST_ERR" | sed 's/^/ /'
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fix_action "restart $SERVICE" "sudo systemctl restart '$SERVICE'"
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fi
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# Check for recent crash/restart loop
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RESTART_COUNT=$(systemctl show "$SERVICE" --property=NRestarts --value 2>/dev/null || echo "0")
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if [ "${RESTART_COUNT:-0}" -gt 3 ]; then
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warn "Service has restarted $RESTART_COUNT times — possible crash loop"
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info "Recent log (last 20 lines):"
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(journalctl -u "$SERVICE" -n 20 --no-pager -q 2>/dev/null || tail -20 "$LOG_FILE" 2>/dev/null) | sed 's/^/ /'
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fi
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# ── 2. USB / Serial devices ───────────────────────────────────────────────────
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section "2. Hardware Devices"
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# OBD adapter
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if ls /dev/ttyUSB* &>/dev/null; then
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OBD_PORT=$(ls /dev/ttyUSB* | head -1)
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pass "OBD USB adapter detected at $OBD_PORT"
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# Check permissions
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if [ -r "$OBD_PORT" ] && [ -w "$OBD_PORT" ]; then
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pass " $OBD_PORT is readable/writable by current user"
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else
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fail " $OBD_PORT is NOT accessible — user '$(whoami)' not in 'dialout' group?"
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fix_action "add $(whoami) to dialout group" "sudo usermod -aG dialout '$(whoami)'"
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fi
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else
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warn "No /dev/ttyUSB* found — OBD adapter not detected"
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info " Is the ELM327 USB adapter plugged in?"
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info " Check: lsusb | grep -i 'prolific\|pl2303\|elm'"
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lsusb 2>/dev/null | grep -iE 'prolific|pl2303|elm|ftdi|ch340' | sed 's/^/ /' || true
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fi
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# GPS / SIM868 UART
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if [ -e /dev/serial0 ]; then
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pass "SIM868 UART present at /dev/serial0"
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else
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fail "/dev/serial0 not found — UART may not be enabled"
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info " Check /boot/firmware/config.txt for enable_uart=1 and dtoverlay=disable-bt"
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fi
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# Dashcam (USB mass storage)
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DASHCAM_MOUNTS=$(lsblk -rno NAME,MOUNTPOINT 2>/dev/null | awk '$2 ~ /dashcam|media|mnt/' || true)
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if [ -n "$DASHCAM_MOUNTS" ]; then
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pass "USB storage device mounted:"
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echo "$DASHCAM_MOUNTS" | sed 's/^/ /'
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else
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info "No dashcam USB device currently mounted (normal when not in import mode)"
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fi
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# ── 3. Network ────────────────────────────────────────────────────────────────
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section "3. Network & Hotspot"
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# Hotspot (wlan0 or wlan1)
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HOTSPOT_IFACE=$(ip -o link show | awk '/wlan/{print $2}' | tr -d ':' | head -1)
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if [ -n "$HOTSPOT_IFACE" ]; then
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HOTSPOT_IP=$(ip -4 addr show "$HOTSPOT_IFACE" 2>/dev/null | awk '/inet /{print $2}' | head -1)
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if [ -n "$HOTSPOT_IP" ]; then
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pass "WiFi interface $HOTSPOT_IFACE has IP $HOTSPOT_IP"
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else
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warn "WiFi interface $HOTSPOT_IFACE has no IP address"
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fi
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else
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warn "No WiFi interface detected"
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fi
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# Is the web UI reachable locally?
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if curl -sf --max-time 3 http://localhost:5000/ &>/dev/null; then
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pass "Web UI reachable at http://localhost:5000/"
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elif curl -sf --max-time 3 http://localhost/ &>/dev/null; then
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pass "Web UI reachable at http://localhost/"
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else
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fail "Web UI not responding on localhost — service may be down or port changed"
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fi
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# Internet/upload connectivity
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if curl -sf --max-time 5 https://cloudflare.com/ &>/dev/null; then
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pass "Internet reachable"
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# Check server upload endpoint if configured
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UPLOAD_CREDS="$REPO_DIR/db/upload_creds.env"
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if [ -f "$UPLOAD_CREDS" ]; then
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SERVER_URL=$(grep -E '^SERVER_URL' "$UPLOAD_CREDS" 2>/dev/null | cut -d= -f2- | tr -d '"' | tr -d "'" | xargs || true)
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if [ -n "$SERVER_URL" ]; then
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if curl -sf --max-time 5 "${SERVER_URL}/health" &>/dev/null || \
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curl -sf --max-time 5 "${SERVER_URL}/" &>/dev/null; then
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pass "Upload server reachable at $SERVER_URL"
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else
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warn "Upload server unreachable at $SERVER_URL (may be expected off-car)"
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fi
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fi
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fi
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else
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warn "No internet connectivity (expected when not on hotspot/WiFi)"
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fi
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# ── 4. Storage & Database ─────────────────────────────────────────────────────
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section "4. Storage & Database"
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# Disk space
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DISK_USE=$(df -h "$REPO_DIR" | awk 'NR==2{print $5}' | tr -d '%')
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DISK_AVAIL=$(df -h "$REPO_DIR" | awk 'NR==2{print $4}')
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if [ "${DISK_USE:-0}" -lt 85 ]; then
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pass "Disk usage: ${DISK_USE}% used, $DISK_AVAIL available"
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elif [ "${DISK_USE:-0}" -lt 95 ]; then
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warn "Disk usage high: ${DISK_USE}% used, $DISK_AVAIL available"
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else
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fail "Disk nearly full: ${DISK_USE}% used — service may fail to write"
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info " Largest items in repo dir:"
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du -sh "$REPO_DIR"/*/ 2>/dev/null | sort -rh | head -5 | sed 's/^/ /'
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fi
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# SQLite DB
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DB_PATH=$(find "$REPO_DIR" -maxdepth 1 -name "*.db" 2>/dev/null | head -1)
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if [ -n "$DB_PATH" ]; then
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DB_SIZE=$(du -sh "$DB_PATH" | cut -f1)
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pass "Database found: $(basename "$DB_PATH") ($DB_SIZE)"
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# Integrity check
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INTEGRITY=$(sqlite3 "$DB_PATH" "PRAGMA integrity_check;" 2>/dev/null || echo "error")
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if [ "$INTEGRITY" = "ok" ]; then
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pass "Database integrity: OK"
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# Row counts
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TRACKING_ROWS=$(sqlite3 "$DB_PATH" "SELECT COUNT(*) FROM tracking;" 2>/dev/null || echo "?")
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UNSENT_ROWS=$(sqlite3 "$DB_PATH" "SELECT COUNT(*) FROM tracking WHERE sent=0;" 2>/dev/null || echo "?")
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TRIP_ROWS=$(sqlite3 "$DB_PATH" "SELECT COUNT(*) FROM trips;" 2>/dev/null || echo "?")
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info " tracking rows: $TRACKING_ROWS (unsent: $UNSENT_ROWS)"
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info " trip summaries: $TRIP_ROWS"
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if [ "${UNSENT_ROWS:-0}" -gt 5000 ]; then
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warn "Large upload backlog: $UNSENT_ROWS unsent tracking rows"
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fi
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else
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fail "Database integrity check FAILED: $INTEGRITY"
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info " !! Do NOT delete the database without backing it up first !!"
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info " Backup: cp '$DB_PATH' '${DB_PATH}.bak.$(date +%Y%m%d_%H%M%S)'"
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fix_action "backup and attempt WAL checkpoint" \
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"cp '$DB_PATH' '${DB_PATH}.bak.$(date +%Y%m%d_%H%M%S)' && sqlite3 '$DB_PATH' 'PRAGMA wal_checkpoint(FULL);'"
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fi
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else
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warn "No .db file found in $REPO_DIR — DB not yet created (normal on first run)"
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fi
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# Log file size
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if [ -f "$LOG_FILE" ]; then
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LOG_SIZE=$(du -sh "$LOG_FILE" | cut -f1)
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LOG_BYTES=$(stat -c%s "$LOG_FILE" 2>/dev/null || echo 0)
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if [ "${LOG_BYTES:-0}" -gt 104857600 ]; then # 100MB
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warn "Log file is large: $LOG_SIZE at $LOG_FILE"
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fix_action "rotate log (keep last 10k lines)" \
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"tail -n 10000 '$LOG_FILE' > '$LOG_FILE.tmp' && mv '$LOG_FILE.tmp' '$LOG_FILE'"
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else
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pass "Log file: $LOG_SIZE"
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fi
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fi
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# ── 5. OBD Status (from log) ──────────────────────────────────────────────────
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section "5. OBD Status (from recent log)"
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if [ -f "$LOG_FILE" ]; then
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# Look for recent OBD connection state
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LAST_CONNECTED=$(grep -a "CAR_CONNECTED\|Car Connected\|Connected to vehicle" "$LOG_FILE" 2>/dev/null | tail -1 || true)
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LAST_ELM=$(grep -a "ELM327\|elm327\|handshake" "$LOG_FILE" 2>/dev/null | tail -1 || true)
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LAST_DISCONNECT=$(grep -a "disconnected\|Cannot load commands\|ECU did not respond" "$LOG_FILE" 2>/dev/null | tail -1 || true)
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LAST_SPEED=$(grep -a "^Speed:" "$LOG_FILE" 2>/dev/null | tail -1 || true)
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if [ -n "$LAST_CONNECTED" ]; then
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pass "Last successful OBD connection found in log:"
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info " $LAST_CONNECTED"
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else
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info "No successful CAR_CONNECTED log entry found"
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fi
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if [ -n "$LAST_DISCONNECT" ]; then
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info "Last disconnect/error: $LAST_DISCONNECT"
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fi
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if [ -n "$LAST_SPEED" ]; then
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pass "Last logged speed: $LAST_SPEED"
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fi
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if [ -n "$LAST_ELM" ]; then
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info "Last ELM327 event: $LAST_ELM"
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fi
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# Errors in last 100 lines
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RECENT_ERRORS=$(tail -100 "$LOG_FILE" 2>/dev/null | grep -iE "error|traceback|exception|crash|failed|fatal" | grep -v "^::" || true)
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if [ -n "$RECENT_ERRORS" ]; then
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warn "Recent errors in log:"
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echo "$RECENT_ERRORS" | tail -10 | sed 's/^/ /'
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else
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pass "No errors in recent 100 log lines"
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fi
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else
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info "Log file not found at $LOG_FILE"
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fi
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# ── 6. Python environment ─────────────────────────────────────────────────────
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section "6. Python Environment"
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VENV="$REPO_DIR/venv"
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if [ -d "$VENV" ]; then
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PYTHON="$VENV/bin/python"
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PY_VER=$("$PYTHON" --version 2>&1)
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pass "venv found: $PY_VER"
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# Check key packages
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for pkg in flask flask_socketio obd; do
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if "$PYTHON" -c "import $pkg" 2>/dev/null; then
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VER=$("$PYTHON" -c "import importlib.metadata; print(importlib.metadata.version('$pkg'))" 2>/dev/null || echo "installed")
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pass " $pkg ($VER)"
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else
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fail " $pkg NOT importable — reinstall requirements?"
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fix_action "reinstall requirements.txt" \
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"'$VENV/bin/pip' install -r '$REPO_DIR/requirements.txt'"
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fi
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done
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else
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fail "venv not found at $VENV"
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fix_action "create venv and install requirements" \
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"python3 -m venv '$VENV' && '$VENV/bin/pip' install -r '$REPO_DIR/requirements.txt'"
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fi
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# ── 7. Pi health ──────────────────────────────────────────────────────────────
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section "7. Pi Hardware Health"
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# Throttling
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THROTTLED=$(vcgencmd get_throttled 2>/dev/null | cut -d= -f2 || echo "unavailable")
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if [ "$THROTTLED" = "0x0" ]; then
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pass "No throttling or undervoltage (throttled=0x0)"
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elif [ "$THROTTLED" = "unavailable" ]; then
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info "vcgencmd not available (not a Pi?)"
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else
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# Decode the flags
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THROT_HEX="${THROTTLED#0x}"
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THROT_DEC=$((16#${THROT_HEX}))
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FLAGS=""
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(( THROT_DEC & 0x1 )) && FLAGS="$FLAGS • Currently under-voltage detected"
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(( THROT_DEC & 0x2 )) && FLAGS="$FLAGS • Currently arm frequency capped"
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(( THROT_DEC & 0x4 )) && FLAGS="$FLAGS • Currently throttled"
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(( THROT_DEC & 0x10000 )) && FLAGS="$FLAGS • Under-voltage HAS occurred since boot"
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(( THROT_DEC & 0x20000 )) && FLAGS="$FLAGS • Frequency cap HAS occurred since boot"
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(( THROT_DEC & 0x40000 )) && FLAGS="$FLAGS • Throttling HAS occurred since boot"
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# Current bits (bits 0-3) are critical; historical bits (16-19) are warnings
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if (( THROT_DEC & 0xF )); then
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fail "Pi is CURRENTLY throttled/undervoltaged ($THROTTLED)"
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else
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warn "Throttling/undervoltage has occurred since boot ($THROTTLED)"
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fi
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[ -n "$FLAGS" ] && echo "$FLAGS" | sed 's/^/ /'
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info " Use a 3A+ USB-C power supply or a powered USB hub for OBD/dashcam"
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fi
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# Temperature
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TEMP=$(vcgencmd measure_temp 2>/dev/null | cut -d= -f2 | cut -d\' -f1 || echo "unavailable")
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if [ "$TEMP" != "unavailable" ]; then
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TEMP_INT=${TEMP%.*}
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if [ "${TEMP_INT:-0}" -lt 70 ]; then
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pass "CPU temperature: ${TEMP}°C"
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elif [ "${TEMP_INT:-0}" -lt 80 ]; then
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warn "CPU temperature elevated: ${TEMP}°C"
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else
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fail "CPU temperature critical: ${TEMP}°C — check ventilation"
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fi
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fi
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# Memory
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FREE_MB=$(free -m | awk '/^Mem:/{print $7}')
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if [ "${FREE_MB:-0}" -gt 100 ]; then
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pass "Free memory: ${FREE_MB}MB"
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elif [ "${FREE_MB:-0}" -gt 50 ]; then
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warn "Low free memory: ${FREE_MB}MB"
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else
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fail "Very low free memory: ${FREE_MB}MB"
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fi
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# ── 8. Quick fixes menu ───────────────────────────────────────────────────────
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section "8. Manual Recovery Commands"
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info "Restart service: sudo systemctl restart $SERVICE"
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info "View live logs: tail -f $LOG_FILE"
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info "Journalctl logs: sudo journalctl -u $SERVICE -f"
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info "Force OBD_PROTOCOL=6: sudo systemctl edit $SERVICE"
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info " (add: Environment=OBD_PROTOCOL=6 then restart)"
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info "Skip voltage check: sudo systemctl edit $SERVICE"
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info " (add: Environment=OBD_SKIP_VOLTAGE_CHECK=1 then restart)"
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info "DB backup: cp $DB_PATH ${DB_PATH}.bak.\$(date +%Y%m%d_%H%M%S)"
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info "Recompute trips: curl http://localhost:5000/api/trips/refresh"
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info "Check USB devices: lsusb && ls /dev/ttyUSB*"
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info "Check serial port: ls -la /dev/serial0"
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# ── Summary ───────────────────────────────────────────────────────────────────
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echo
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bold "=========================================="
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if [ "$ISSUES" -eq 0 ] && [ "$WARNINGS" -eq 0 ]; then
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green " ✓ All checks passed — system looks healthy"
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elif [ "$ISSUES" -eq 0 ]; then
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yellow " ⚠ $WARNINGS warning(s) found, $ISSUES critical issue(s)"
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if ! $FIX; then
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yellow " Run with --fix to attempt auto-fixes"
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fi
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else
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red " ✗ $ISSUES critical issue(s), $WARNINGS warning(s) found"
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if ! $FIX; then
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yellow " Run with --fix to attempt auto-fixes"
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fi
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fi
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bold "=========================================="
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echo
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exit "$ISSUES"
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