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-rwxr-xr-xsrc/op_mode/flow_accounting_op.py46
1 files changed, 14 insertions, 32 deletions
diff --git a/src/op_mode/flow_accounting_op.py b/src/op_mode/flow_accounting_op.py
index a39eaf871..7f3ad7476 100755
--- a/src/op_mode/flow_accounting_op.py
+++ b/src/op_mode/flow_accounting_op.py
@@ -19,10 +19,11 @@ import sys
import argparse
import re
import ipaddress
-import subprocess
import os.path
from tabulate import tabulate
+from vyos.util import cmd, run
+
# some default values
uacctd_pidfile = '/var/run/uacctd.pid'
uacctd_pipefile = '/tmp/uacctd.pipe'
@@ -69,26 +70,16 @@ def _is_host(host):
# check if flow-accounting running
def _uacctd_running():
- command = "/usr/bin/sudo /bin/systemctl status uacctd > /dev/null"
- return_code = subprocess.call(command, shell=True)
- if not return_code == 0:
- return False
-
- # return True if all checks were passed
- return True
+ command = '/usr/bin/sudo /bin/systemctl status uacctd > /dev/null'
+ return run(command) == 0
# get list of interfaces
def _get_ifaces_dict():
# run command to get ifaces list
- command = "/bin/ip link show"
- process = subprocess.Popen(command.split(' '), stdout=subprocess.PIPE, universal_newlines=True)
- stdout, stderr = process.communicate()
- if not process.returncode == 0:
- print("Failed to get interfaces list: command \"{}\" returned exit code: {}".format(command, process.returncode))
- sys.exit(1)
+ out = cmd('/bin/ip link show', universal_newlines=True)
# read output
- ifaces_out = stdout.splitlines()
+ ifaces_out = out.splitlines()
# make a dictionary with interfaces and indexes
ifaces_dict = {}
@@ -103,15 +94,12 @@ def _get_ifaces_dict():
# get list of flows
def _get_flows_list():
# run command to get flows list
- command = "/usr/bin/pmacct -s -O json -T flows -p {}".format(uacctd_pipefile)
- process = subprocess.Popen(command.split(' '), stdout=subprocess.PIPE, universal_newlines=True)
- stdout, stderr = process.communicate()
- if not process.returncode == 0:
- print("Failed to get flows list: command \"{}\" returned exit code: {}\nError: {}".format(command, process.returncode, stderr))
- sys.exit(1)
+ out = cmd(f'/usr/bin/pmacct -s -O json -T flows -p {uacctd_pipefile}',
+ universal_newlines=True,
+ message='Failed to get flows list')
# read output
- flows_out = stdout.splitlines()
+ flows_out = out.splitlines()
# make a list with flows
flows_list = []
@@ -208,21 +196,15 @@ if not _uacctd_running():
# restart pmacct daemon
if cmd_args.action == 'restart':
# run command to restart flow-accounting
- command = '/usr/bin/sudo /bin/systemctl restart uacctd'
- return_code = subprocess.call(command.split(' '))
- if not return_code == 0:
- print("Failed to restart flow-accounting: command \"{}\" returned exit code: {}".format(command, return_code))
- sys.exit(1)
+ cmd('/usr/bin/sudo /bin/systemctl restart uacctd',
+ message='Failed to restart flow-accounting')
# clear in-memory collected flows
if cmd_args.action == 'clear':
_check_imt()
# run command to clear flows
- command = "/usr/bin/pmacct -e -p {}".format(uacctd_pipefile)
- return_code = subprocess.call(command.split(' '))
- if not return_code == 0:
- print("Failed to clear flows: command \"{}\" returned exit code: {}".format(command, return_code))
- sys.exit(1)
+ cmd(f'/usr/bin/pmacct -e -p {uacctd_pipefile}',
+ message='Failed to clear flows')
# show table with flows
if cmd_args.action == 'show':