Fix bug of known host

[remote-debug.git] / suanzi-support

diff --git a/suanzi-support b/suanzi-support
index 41ed9fc..183f6de 100755 (executable)
--- a/suanzi-support
+++ b/suanzi-support
@@ -7,23 +7,25 @@
 from subprocess import call, Popen, PIPE, STDOUT
 import paho.mqtt.client as mqtt
 import shlex
-import os
 import random
 from uuid import getnode as get_mac
 
 MQTT_SERVER = 'mqtt.suanzi.ai'
 MQTT_PORT = 1883
+
+# The alive time new ssh session exist. It means if no client connect to this device through ssh tunnel in 5 minutes,
+# this new sessin will terminate.
 ALIVE_TIME = 60 * 5
 
 SSH_SERVER = 'autossh.suanzi.ai'
-PORT_RANGE = (20000, 30000)
+PORT_RANGE = (20000, 40000)
 USER = 'autossh'
 PASSWORD = 'hard2guess'
 
 def getAvailablePort(host, ports):
     while True:
         port = random.randint(ports[0], ports[1])
-        command = 'nc -z -v -w5 ' + host + ' ' + str(port)
+        command = 'nc -z -v -w3 ' + host + ' ' + str(port)
         p = Popen(command, shell=True, stdout=PIPE, stderr=STDOUT)
         pout = p.communicate()[0].strip()
         if p.returncode == 0:
@@ -36,14 +38,12 @@ def getAvailablePort(host, ports):
 def exec_ssh(port):
     if port == None:
         raise Exception('Port not avaliable')
-    #command = 'sshpass -p' + PASSWORD + ' ssh -o "ServerAliveInterval 30" -o "ServerAliveCountMax 1" -fCNR ' + str(port) +':localhost:22 ' + USER + '@' + SSH_SERVER
-    command = 'sshpass -p' + PASSWORD + ' ssh -o "ServerAliveInterval 60" -o "ServerAliveCountMax 3" -fCR ' + str(port) +':localhost:22 ' + USER + '@' + SSH_SERVER + ' sleep ' + str(ALIVE_TIME)
+    command = 'sshpass -p' + PASSWORD + ' ssh -o "StrictHostKeyChecking=no"  -o "UserKnownHostsFile /dev/null" -o "ServerAliveInterval 60" -o "ServerAliveCountMax 3" -fCR ' + str(port) +':localhost:22 ' + USER + '@' + SSH_SERVER + ' sleep ' + str(ALIVE_TIME)
     print command
     return call(shlex.split(command), shell=False)
 
 
 def on_connect(client, userdata, flags, rc):
-    #client.subscribe("rpdzkj-request")
     client.subscribe(client.id + '-request')
     print("Connected with result code "+str(rc))
 
@@ -66,7 +66,7 @@ class MyClient(mqtt.Client):
 
 if __name__ == '__main__':
     mac = hex(get_mac())
-    id = os.getenv('USER') + '-' + '{:0>12}'.format(mac[2:13])
+    id = '{:0>12}'.format(mac[2:-1])
     print 'id is: ' , id
     client = MyClient(id)
     client.connect(MQTT_SERVER, MQTT_PORT, 60)