From 762a0d04e93d2c05b8aa5ba9b2729f43326fc453 Mon Sep 17 00:00:00 2001
From: badcrc <badcrc@gmail.com>
Date: Fri, 11 Oct 2019 10:29:13 +0200
Subject: [PATCH] adding config file support

---
 README.md |  2 ++
 graphping | 13 ++++++++++---
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 99e4ecc..d2bfe79 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,8 @@ Usage
 
 `./graphping <target> [<target> ...]`
 
+If a config file is defined (one IP address per line) it reads it in every execution loop so you can daemonize it and just update the config file.
+
 License
 -------
 
diff --git a/graphping b/graphping
index 0776056..aab0e5c 100755
--- a/graphping
+++ b/graphping
@@ -84,6 +84,7 @@ class App:
         self.g_port = g_port
         self.g_prefix = g_prefix
         self.logfile = logfile
+        self.config_file = '/etc/graphping.conf'
         self.daemonize = True
         self.stop = False
         self.level = logging.INFO
@@ -124,9 +125,10 @@ class App:
             return srtd[mid]
 
     def process_options(self):
-        self.targets = sys.argv[1:]
-        if not self.targets:
-            self.usage()
+        if self.config_file == None:
+            self.targets = sys.argv[1:]
+            if not self.targets:
+                self.usage()
 
     def usage(self):
         print "Usage: ping-graphite <target> [<target> ...]"
@@ -139,6 +141,11 @@ class App:
 
             while not self.stop:
 
+                # If the config file is defined we read the new targets from it
+                if self.config_file != None:
+                    with open(self.config_file) as f:
+                        self.targets = f.read().replace('\n', ' ').split(' ')
+
                 rtt = {}
                 sry = {}
                 for t in self.targets: