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-rw-r--r--src/op_mode/generate_interfaces_debug_archive.py115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/op_mode/generate_interfaces_debug_archive.py b/src/op_mode/generate_interfaces_debug_archive.py
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+++ b/src/op_mode/generate_interfaces_debug_archive.py
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+#!/usr/bin/env python3
+#
+# Copyright (C) 2023 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from datetime import datetime
+from pathlib import Path
+from shutil import rmtree
+from socket import gethostname
+from sys import exit
+from tarfile import open as tar_open
+from vyos.util import rc_cmd
+import os
+
+# define a list of commands that needs to be executed
+
+CMD_LIST: list[str] = [
+ "journalctl -b -n 500",
+ "journalctl -b -k -n 500",
+ "ip -s l",
+ "cat /proc/interrupts",
+ "cat /proc/softirqs",
+ "top -b -d 1 -n 2 -1",
+ "netstat -l",
+ "cat /proc/net/dev",
+ "cat /proc/net/softnet_stat",
+ "cat /proc/net/icmp",
+ "cat /proc/net/udp",
+ "cat /proc/net/tcp",
+ "cat /proc/net/netstat",
+ "sysctl net",
+ "timeout 10 tcpdump -c 500 -eni any port not 22"
+]
+
+CMD_INTERFACES_LIST: list[str] = [
+ "ethtool -i ",
+ "ethtool -S ",
+ "ethtool -g ",
+ "ethtool -c ",
+ "ethtool -a ",
+ "ethtool -k ",
+ "ethtool -i ",
+ "ethtool --phy-statistics "
+]
+
+# get intefaces info
+interfaces_list = os.popen('ls /sys/class/net/').read().split()
+
+# modify CMD_INTERFACES_LIST for all interfaces
+CMD_INTERFACES_LIST_MOD=[]
+for command_interface in interfaces_list:
+ for command_interfacev2 in CMD_INTERFACES_LIST:
+ CMD_INTERFACES_LIST_MOD.append (f'{command_interfacev2}{command_interface}')
+
+# execute a command and save the output to a file
+
+def save_stdout(command: str, file: Path) -> None:
+ rc, stdout = rc_cmd(command)
+ body: str = f'''### {command} ###
+Command: {command}
+Exit code: {rc}
+Stdout:
+{stdout}
+
+'''
+ with file.open(mode='a') as f:
+ f.write(body)
+
+# get local host name
+hostname: str = gethostname()
+# get current time
+time_now: str = datetime.now().isoformat(timespec='seconds')
+
+# define a temporary directory for logs and collected data
+tmp_dir: Path = Path(f'/tmp/drops-debug_{time_now}')
+# set file paths
+drops_file: Path = Path(f'{tmp_dir}/drops.txt')
+interfaces_file: Path = Path(f'{tmp_dir}/interfaces.txt')
+archive_file: str = f'/tmp/packet-drops-debug_{time_now}.tar.bz2'
+
+# create files
+tmp_dir.mkdir()
+drops_file.touch()
+interfaces_file.touch()
+
+try:
+ # execute all commands
+ for command in CMD_LIST:
+ save_stdout(command, drops_file)
+ for command_interface in CMD_INTERFACES_LIST_MOD:
+ save_stdout(command_interface, interfaces_file)
+
+ # create an archive
+ with tar_open(name=archive_file, mode='x:bz2') as tar_file:
+ tar_file.add(tmp_dir)
+
+ # inform user about success
+ print(f'Debug file is generated and located in {archive_file}')
+except Exception as err:
+ print(f'Error during generating a debug file: {err}')
+finally:
+ # cleanup
+ rmtree(tmp_dir)
+ exit()