init: fnmon - fnOS 系统监控面板
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#!/usr/bin/env python3
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"""Generate a self-contained fpk for distribution — includes app code + static assets."""
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import os, re, struct, zlib, tarfile, io, json, hashlib, time as tmod
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OUTDIR = '/vol2/1000/HD2/fpk'
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APP_NAME = 'fnmon'
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APP_DIR = os.path.dirname(os.path.abspath(__file__))
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os.makedirs(OUTDIR, exist_ok=True)
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# === Auto-version ===
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latest_ver = '0.0.0'
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# Also account for legacy cpu-monitor-v* fpks
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for f in os.listdir(OUTDIR):
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m = re.match(r'(?:fnmon|cpu-monitor)-v(\d+\.\d+\.\d+)\.fpk', f)
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if m:
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v = tuple(int(x) for x in m.group(1).split('.'))
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if v > tuple(int(x) for x in latest_ver.split('.')):
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latest_ver = m.group(1)
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v_parts = [int(x) for x in latest_ver.split('.')]
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v_parts[2] += 1
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NEW_VER = '.'.join(str(x) for x in v_parts)
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OUTPATH = f'{OUTDIR}/fnmon-v{NEW_VER}.fpk'
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now_ts = int(tmod.time())
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def add_file(tar, path, content=None, filepath=None, mode=0o644):
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"""Add a file to the tar archive."""
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info = tarfile.TarInfo(name=f'{APP_NAME}/{path}')
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if filepath:
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with open(filepath, 'rb') as f:
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data = f.read()
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elif isinstance(content, bytes):
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data = content
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else:
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data = content.encode('utf-8')
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info.size = len(data)
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info.mode = mode
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info.mtime = now_ts
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info.uid = info.gid = 0
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info.uname = 'root'
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info.gname = 'root'
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tar.addfile(info, io.BytesIO(data))
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# === Build manifest ===
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manifest_content = f'''appname = {APP_NAME}
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version = {NEW_VER}
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display_name = fnmon - 系统监视器
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desc = 实时系统监控面板 - CPU/内存/网络/磁盘/进程 全能监控
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platform = all
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source = thirdparty
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maintainer = Hermes
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maintainer_url = https://github.com/nousresearch/hermes-agent
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distributor = Community
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os_min_version = 0.8.1
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desktop_uidir = ui
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desktop_applaunchname = {APP_NAME}.Application
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service_port = 5000
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checkport = true
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ctl_stop = true
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'''
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manifest_checksum = hashlib.md5(manifest_content.encode('utf-8')).hexdigest()
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manifest_full = manifest_content + f'checksum = {manifest_checksum}\n'
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# === Build tar ===
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with tarfile.open(OUTPATH, 'w:gz') as tar:
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add_file(tar, 'manifest', manifest_full)
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# Config
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add_file(tar, 'config/privilege', json.dumps({
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'defaults': {'run-as': 'root'},
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}, indent=2))
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add_file(tar, 'config/resource', '{\n "systemd-unit": {}\n}\n')
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# Lifecycle scripts
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scripts = {
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'install_init': '#!/bin/bash\nexit 0\n',
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'install_callback': f'''#!/bin/bash
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# Create and enable systemd service
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cat > /etc/systemd/system/{APP_NAME}.service << 'SERVEOF'
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[Unit]
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Description=fnmon - 系统监视器
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After=network.target
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[Service]
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Type=simple
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User=root
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WorkingDirectory=/var/apps/{APP_NAME}
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ExecStart=/usr/bin/python3 /var/apps/{APP_NAME}/app.py
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Restart=always
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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SERVEOF
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systemctl daemon-reload
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systemctl enable {APP_NAME}.service
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systemctl start {APP_NAME}.service
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exit 0
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''',
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'uninstall_init': f'#!/bin/bash\nsystemctl stop {APP_NAME}.service 2>/dev/null\nexit 0\n',
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'uninstall_callback': f'''#!/bin/bash
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systemctl disable {APP_NAME}.service 2>/dev/null
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rm -f /etc/systemd/system/{APP_NAME}.service
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systemctl daemon-reload
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exit 0
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''',
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'upgrade_init': '#!/bin/bash\nexit 0\n',
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'upgrade_callback': f'#!/bin/bash\nsystemctl restart {APP_NAME}.service 2>/dev/null\nexit 0\n',
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'config_init': '#!/bin/bash\nexit 0\n',
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'config_callback': '#!/bin/bash\nexit 0\n',
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}
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for name, content in scripts.items():
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add_file(tar, f'cmd/{name}', content, mode=0o755)
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# Main lifecycle
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add_file(tar, 'cmd/main', f'''#!/bin/bash
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case $1 in
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start)
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systemctl start {APP_NAME}.service 2>/dev/null
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sleep 2
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curl -s -o /dev/null http://localhost:5000 && exit 0
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exit 1
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;;
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stop) exit 0 ;;
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status)
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curl -s -o /dev/null http://localhost:5000 && exit 0 || exit 3
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;;
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*) exit 1 ;;
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esac
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''', mode=0o755)
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# === Bundle app code ===
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add_file(tar, 'app.py', filepath=os.path.join(APP_DIR, 'app.py'), mode=0o755)
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add_file(tar, 'traffic_tracker.py', filepath=os.path.join(APP_DIR, 'traffic_tracker.py'), mode=0o644)
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add_file(tar, 'app_usage_tracker.py', filepath=os.path.join(APP_DIR, 'app_usage_tracker.py'), mode=0o644)
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add_file(tar, 'static/index.html', filepath=os.path.join(APP_DIR, 'static/index.html'), mode=0o644)
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# UI config
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add_file(tar, 'ui/index.json', json.dumps({
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APP_NAME: {
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'application': {
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'type': 'url',
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'protocol': 'http',
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'port': 5000,
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'url': 'http://${host}:5000',
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'title': 'fnmon - 系统监视器',
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'description': '实时系统监控面板'
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}
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}
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}, ensure_ascii=False, indent=2))
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# Icons
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for fname, fpk_name in [(f'{APP_NAME}-icon-128.png', 'ICON.PNG'),
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(f'{APP_NAME}-icon-256.png', 'ICON_256.PNG')]:
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ipath = os.path.join(OUTDIR, fname)
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if os.path.exists(ipath):
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add_file(tar, fpk_name, filepath=ipath)
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else:
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# Fallback: simple blue icon
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add_file(tar, fpk_name, _gen_png(128 if '128' in fname else 256, (80, 120, 255)))
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# === Done ===
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size = os.path.getsize(OUTPATH)
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print(f'✅ fpk created: {OUTPATH} ({size} bytes)')
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print(f' version: v{NEW_VER} (previous: v{latest_ver})')
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print(f' checksum: {manifest_checksum}')
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print(f' bundled: app.py + frontend + trackers')
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with tarfile.open(OUTPATH) as t:
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for m in t.getmembers():
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print(f' {m.name}: {m.size}B')
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def _gen_png(size, color):
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"""Quick PNG generator (fallback if no icon)."""
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r, g, b = color
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def chunk(ctype, data):
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c = ctype + data
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return struct.pack('>I', len(data)) + c + struct.pack('>I', zlib.crc32(c) & 0xffffffff)
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hdr = b'\x89PNG\r\n\x1a\n'
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ihdr = chunk(b'IHDR', struct.pack('>IIBBBBB', size, size, 8, 2, 0, 0, 0))
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raw = b''
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for y in range(size):
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raw += b'\x00'
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for x in range(size):
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d = ((x-size/2)**2 + (y-size/2)**2) ** 0.5
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rad = size/2 - 4
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if d < rad:
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t = d / rad
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raw += struct.pack('BBB', int(r-(r-50)*t), int(g-(g-100)*t), int(b-(b-200)*t))
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else:
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raw += b'\x00\x00\x00'
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return hdr + ihdr + chunk(b'IDAT', zlib.compress(raw)) + chunk(b'IEND', b'')
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