Add utils modules

* disk.py

	Disk discovery

* fs.py

	Uses psutil to fetch fs usage information

* menu.py

	ogBrowser menu generation

* net.py: gets nic status information

	IP address, MAC address and ethernet speed.

* probe.py: probes mountpoints for operating systems

	Uses hivexget command to try fetching Windows installation
	information.
	Looks for /etc/os-release for probing linux systems.

1 files changed, 58 insertions, 0 deletions

diff --git a/src/utils/menu.py b/src/utils/menu.py
new file mode 100644
index 0000000..48e2641
--- /dev/null
+++ b/src/utils/menu.py
@@ -0,0 +1,58 @@
+#
+# Copyright (C) 2022 Soleta Networks <info@soleta.eu>
+#
+# This program is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the
+# Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+"""
+Utility module for ogBrowser menu generation
+"""
+
+import os
+import socket
+
+from src.utils.net import getifaddr, getifhwaddr, ethtool
+
+MENU_TEMPLATE = """
+<div align="center" style="font-family: Arial, Helvetica, sans-serif;">
+<p style="color:#999999; font-size: 16px; margin: 2em;">
+<table border="1" width="100%">
+<tr>
+<td rowspan="2"><p align="left"><img border="0" src="../images/iconos/logoopengnsys.png"><p> </td>
+<td> Hostname </td> <td> IP </td> <td> MAC </td> <td> SPEED </td> </tr>
+<tr> <td>{hostname} </td> <td> {ip} </td> <td> {mac} </td> <td> {speed} </td> </tr>
+</table>
+</p>
+
+{boot_list}
+
+<p><a href="command:poweroff">Power Off</a></p>
+</div>
+"""
+
+MENU_OS_TEMPLATE = "<p><a href=\"command:bootOs {diskno} {partno}\">Boot {os} ({diskno}, {partno})</a></p>"
+
+def generate_menu(part_setup):
+    """
+    Writes html menu to /opt/opengnsys/log/{ip}.info.html based on a partition
+    setup
+    """
+    device = os.getenv('DEVICE')
+    if not device:
+        return False
+
+    ip = getifaddr(device)
+    mac = getifhwaddr(device)
+    speed = ethtool(device)
+    hostname = socket.gethostname()
+    menufile = f'/opt/opengnsys/log/{ip}.info.html'
+
+    l = [MENU_OS_TEMPLATE.format(diskno=part['disk'], partno=part['partition'], os=part['os'])
+         for part in part_setup if part['os']]
+    boot_list = '\n'.join(l)
+
+    with open(menufile, 'w') as f:
+        f.write(MENU_TEMPLATE.format(hostname=hostname, ip=ip, mac=mac, speed=speed, boot_list=boot_list))
+    return True