Working matrix handler

handlers/matrix/matrix.py

@@ -1,35 +1,56 @@
+#!/usr/bin/python
+
 from matrix_client.client import MatrixClient
 import json
-import sys
+import fileinput
 
 # Load config
-conf = json.load('/etc/sensu/handlers/notifications/matrix.json')
+c = open('/etc/sensu/handlers/notification/matrix.json', 'r')
+c_j = c.read()
+conf = json.loads(c_j)
+c.close()
 
 # Sensu event JSON
-sensu_json = sys.stdin.read()
-sensu_event = json.loads(sensu_json)
+sensu_json = ''
+for line in fileinput.input():
+    sensu_json = sensu_json + line
+
+sensu_event = None
+try:
+    sensu_event = json.loads(sensu_json)
+except Exception as e:
+    print(str(e))
 
 # Status codes
 statuses = {
-    '2': '**CRITICAL**: ',
-    '1': '*WARNING*: ',
-    '0': 'OK: '
+    2: '**CRITICAL**: ',
+    1: '*WARNING*: ',
+    0: 'OK: '
 }
 
 # Event information
-client = sensu_event['client']['name']
-check = sensu_event['check']['name']
-output = sensu_event['check']['output']
-status = statuses[sensu_event['check']['status']]
+try:
+    client = sensu_event['client']['name']
+    check = sensu_event['check']['name']
+    output = sensu_event['check']['output']
+    status = statuses[sensu_event['check']['status']]
+    history = sensu_event['check']['history']
+except Exception as e:
+    print(str(e))
+
+previous_status = history[len(history)-1]
 
 # Message text
+# *WARNING*: Client_name\n /tmp/test does not exists
 text = status + client + "\n" + output
 
-# Initialize Matrix client
-client = MatrixClient(conf['homeserver'])
-token = client.login_with_password(username=conf['username'],
-                                   password=conf['password'])
-# Join to Room
-room = client.join_room(conf['room'])
+# Check previous status and send check information
+if previous_status != sensu_event['check']['status']:
+    # Initialize Matrix client
+    client = MatrixClient(conf['homeserver'])
+    token = client.login_with_password(username=conf['username'],
+                                       password=conf['password'])
+    # Join to Room
+    room = client.join_room(conf['room'])
 
-room.send_text(text)
+    room.send_text(text)