From 145550408bbe53f5bfb8b0211bacc5129d7b3117 Mon Sep 17 00:00:00 2001
From: Daniil Baturin <daniil@baturin.org>
Date: Thu, 19 Jul 2018 04:05:28 +0200
Subject: Add a function for quickly checking running processes by their PID
 files.

---
 python/vyos/util.py | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'python/vyos/util.py')

diff --git a/python/vyos/util.py b/python/vyos/util.py
index 8b3de7999..11a75c14b 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -14,6 +14,7 @@
 # License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 import re
+import psutil
 
 
 def colon_separated_to_dict(data_string, uniquekeys=False):
@@ -63,3 +64,9 @@ def colon_separated_to_dict(data_string, uniquekeys=False):
             pass
 
     return data
+
+def process_running(pid_file):
+    """ Checks if a process with PID in pid_file is running """
+    with open(pid_file, 'r') as f:
+        pid = f.read().strip()
+    return psutil.pid_exists(int(pid))
-- 
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