update Python script examples to python3

Author: sflow

src/Linux/scripts/rtflow.py

@@ -1,7 +1,7 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # command-line utility to send JSON-encoded rtflow records through hsflowd.
-# requires "jsonPort=36343" in hsflowd.conf.
+# requires "json { udpport=36343 }" in hsflowd.conf.
 
 import argparse
 import json
@@ -42,4 +42,4 @@
 
 msg = {"rtflow":metrics}
 sock = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
-sock.sendto(json.dumps(msg),("127.0.0.1",36343))
+sock.sendto(json.dumps(msg).encode(),("127.0.0.1",36343))

src/Linux/scripts/rtmetric.py

@@ -1,7 +1,7 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # command-line utility to send JSON-encoded rtmetric values through hsflowd.
-# requires "jsonPort=36343" in hsflowd.conf.
+# requires "json { udpport=36343 }" in hsflowd.conf.
 
 import argparse
 import json

src/Linux/scripts/rtmetric_cpu.py

@@ -1,9 +1,9 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Send JSON-encoded rtmetric messages through hsflowd to provide
 # separate moniting of every CPU.
 
-# Requires "jsonPort=36343" in hsflowd.conf.
+# Requires "json { udpport=36343 }" in hsflowd.conf.
 
 # This should be executed periodically e.g. by cron(1)
 # or like this at the shell prompt for testing:
@@ -31,5 +31,5 @@
                 'cpu_x_sintr': { "type":"counter32", "value": int(toks[7]) }
             }
         }
-        sock.sendto(json.dumps(msg), ('127.0.0.1', 36343))
+        sock.sendto(json.dumps(msg).encode(), ('127.0.0.1', 36343))
 inputfile.close()

src/Linux/scripts/rtmetric_disk.py

@@ -1,9 +1,9 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Send JSON-encoded rtmetric through hsflowd to provide
 # separate moniting of every local disk partition.
 
-# Requires "jsonPort=36343" in hsflowd.conf.
+# Requires "json {udpport=36343 }" in hsflowd.conf.
 
 # This should be executed periodically e.g. by cron(1)
 # or like this at the shell prompt for testing:
@@ -14,10 +14,9 @@
 import time
 import os
 import re
-from string import maketrans
 
 # we are going to translate '/' to '_' in the mount point names
-transtab = maketrans("/", "_")
+transtab = str.maketrans("/", "_")
 
 # match the subset of mount points that we want to report on
 pattern = re.compile('^/$|^/tmp|^/usr/')
@@ -43,5 +42,5 @@
             }
         }
         # print json.dumps(msg)
-        sock.sendto(json.dumps(msg), ('127.0.0.1', 36343))
+        sock.sendto(json.dumps(msg).encode(), ('127.0.0.1', 36343))
 p.close()

src/Linux/scripts/telemetry.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 import dbus
 bus = dbus.SystemBus()