'socket.timeout: timed out' error is seen when running a 'show' method call #21

tdichter · 2015-12-17T22:54:13Z

Hi,

I have a switch that I can manually ssh to and run all the cli's.

I installed pysco on my Linux and all seems to work fine with respect to that.
However, when I run the 'show' method, I get a socket.timeout error
here is the screen shot:
Python 2.7.10 (default, Sep 8 2015, 12:40:37)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.

import json
import xmltodict
from pycsco.nxos.device import Device
switch = Device(ip='10.10.10.10',username='admin',password='default')
get_sh_ver = switch.show('show version')
Req timeout
Traceback (most recent call last):
File "", line 1, in
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/device.py", line 99, in show
data = self.sw1.send_req()
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/nxapi.py", line 279, in send_req
return req.get_resp(self.req_to_string(), self.cookie, self.timeout)
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/nxapi.py", line 133, in get_resp
timeout=timeout)) as resp:
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 154, in urlopen
return opener.open(url, data, timeout)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 431, in open
response = self._open(req, data)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 449, in _open
'_open', req)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 409, in _call_chain
result = func(*args)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 1227, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 1200, in do_open
r = h.getresponse(buffering=True)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 1132, in getresponse
response.begin()
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 453, in begin
version, status, reason = self._read_status()
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 409, in _read_status
line = self.fp.readline(_MAXLINE + 1)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/socket.py", line 480, in readline
data = self._sock.recv(self._rbufsize)
socket.timeout: timed out

Can you please advise what is needed to be done to make it work?
Do I need to activate anything on the remote switch to have this working?

Thanks,
Tomer

jedelman8 · 2015-12-18T01:33:09Z

Did you enable NXAPI on the switch? You can do this with the "feature nxapi" command.

On Dec 17, 2015, at 5:54 PM, tdichter [email protected] wrote:

Hi,

I have a switch that I can manually ssh to and run all the cli's

I installed pysco on my Linux and all seems to work fine with respect to that
However, when I run the 'show' method, I get a sockettimeout error
here is the screen shot:
Python 2710 (default, Sep 8 2015, 12:40:37)
[GCC 447 20120313 (Red Hat 447-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information

import json
import xmltodict
from pycsconxosdevice import Device
switch = Device(ip='10101010',username='admin',password='default')
get_sh_ver = switchshow('show version')
Req timeout
Traceback (most recent call last):
File "", line 1, in
File "/root/Desktop/foobar/lib/python27/site-packages/pycsco/nxos/devicepy", line 99, in show
data = selfsw1send_req()
File "/root/Desktop/foobar/lib/python27/site-packages/pycsco/nxos/nxapipy", line 279, in send_req
return reqget_resp(selfreq_to_string(), selfcookie, selftimeout)
File "/root/Desktop/foobar/lib/python27/site-packages/pycsco/nxos/nxapipy", line 133, in get_resp
timeout=timeout)) as resp:
File "/usr/cisco/packages/python/python-2710/lib/python27/urllib2py", line 154, in urlopen
return openeropen(url, data, timeout)
File "/usr/cisco/packages/python/python-2710/lib/python27/urllib2py", line 431, in open
response = self_open(req, data)
File "/usr/cisco/packages/python/python-2710/lib/python27/urllib2py", line 449, in _open
'_open', req)
File "/usr/cisco/packages/python/python-2710/lib/python27/urllib2py", line 409, in _call_chain
result = func(*args)
File "/usr/cisco/packages/python/python-2710/lib/python27/urllib2py", line 1227, in http_open
return selfdo_open(httplibHTTPConnection, req)
File "/usr/cisco/packages/python/python-2710/lib/python27/urllib2py", line 1200, in do_open
r = hgetresponse(buffering=True)
File "/usr/cisco/packages/python/python-2710/lib/python27/httplibpy", line 1132, in getresponse
responsebegin()
File "/usr/cisco/packages/python/python-2710/lib/python27/httplibpy", line 453, in begin
version, status, reason = self_read_status()
File "/usr/cisco/packages/python/python-2710/lib/python27/httplibpy", line 409, in _read_status
line = selffpreadline(_MAXLINE + 1)
File "/usr/cisco/packages/python/python-2710/lib/python27/socketpy", line 480, in readline
data = self_sockrecv(self_rbufsize)
sockettimeout: timed out

Can you please advise what is needed to be done to make it work?
Do I need to activate anything on the remote switch to have this working?

Thanks,
Tomer

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tdichter · 2015-12-18T02:08:42Z

thanks for the reply - I actually added that on the switch, and it still didnt work:
CSCSwitch(config)# feature nxapi
CSCSwitch(config)# end
CSCSwitch# copy running-config startup-config
[########################################] 100%
Copy complete.
C9372PX#

Then, repeating the above procedure also showed me the same error:

Python 2.7.10 (default, Sep 8 2015, 12:40:37)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.

import json
import xmltodict
from pycsco.nxos.device import Device
switch = Device(ip='10.10.10.10',username='admin',password='default')
get_sh_ver = switch.show('show version')
Req timeout
Traceback (most recent call last):
File "", line 1, in
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/device.py", line 99, in show
data = self.sw1.send_req()
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/nxapi.py", line 279, in send_req
return req.get_resp(self.req_to_string(), self.cookie, self.timeout)
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/nxapi.py", line 133, in get_resp
timeout=timeout)) as resp:
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 154, in urlopen
return opener.open(url, data, timeout)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 431, in open
response = self._open(req, data)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 449, in _open
'_open', req)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 409, in _call_chain
result = func(*args)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 1227, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 1200, in do_open
r = h.getresponse(buffering=True)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 1132, in getresponse
response.begin()
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 453, in begin
version, status, reason = self._read_status()
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 409, in _read_status
line = self.fp.readline(_MAXLINE + 1)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/socket.py", line 480, in readline
data = self._sock.recv(self._rbufsize)
socket.timeout: timed out

thanks
Tomer

jedelman8 · 2015-12-18T02:39:36Z

Can you provide the out of "show nxapi" and also verify you can access the NXAPI sandbox environment by going to http://switchip you may need to do "nxapi sandbox" command for this.

On Dec 17, 2015, at 9:08 PM, tdichter [email protected] wrote:

thanks for the reply - I actually added that on the switch, and it still didnt work:
CSCSwitch(config)# feature nxapi
CSCSwitch(config)# end
CSCSwitch# copy running-config startup-config
[########################################] 100%
Copy complete.
C9372PX#

Then, repeating the above procedure also showed me the same error:

Python 2.7.10 (default, Sep 8 2015, 12:40:37)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.

import json
import xmltodict
from pycsco.nxos.device import Device
switch = Device(ip='10.10.10.10',username='admin',password='default')
get_sh_ver = switch.show('show version')
Req timeout
Traceback (most recent call last):
File "", line 1, in
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/device.py", line 99, in show
data = self.sw1.send_req()
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/nxapi.py", line 279, in send_req
return req.get_resp(self.req_to_string(), self.cookie, self.timeout)
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/nxapi.py", line 133, in get_resp
timeout=timeout)) as resp:
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 154, in urlopen
return opener.open(url, data, timeout)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 431, in open
response = self._open(req, data)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 449, in _open
'_open', req)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 409, in _call_chain
result = func(*args)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 1227, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 1200, in do_open
r = h.getresponse(buffering=True)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 1132, in getresponse
response.begin()
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 453, in begin
version, status, reason = self._read_status()
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 409, in _read_status
line = self.fp.readline(_MAXLINE + 1)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/socket.py", line 480, in readline
data = self._sock.recv(self._rbufsize)
socket.timeout: timed out

thanks
Tomer

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jedelman8 · 2015-12-18T02:51:11Z

And please make sure you are using the management interface on the switch. That said, ensure at least port 80 is allowed on this interface.

On Dec 17, 2015, at 9:08 PM, tdichter [email protected] wrote:

thanks for the reply - I actually added that on the switch, and it still didnt work:
CSCSwitch(config)# feature nxapi
CSCSwitch(config)# end
CSCSwitch# copy running-config startup-config
[########################################] 100%
Copy complete.
C9372PX#

Then, repeating the above procedure also showed me the same error:

Python 2.7.10 (default, Sep 8 2015, 12:40:37)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.

import json
import xmltodict
from pycsco.nxos.device import Device
switch = Device(ip='10.10.10.10',username='admin',password='default')
get_sh_ver = switch.show('show version')
Req timeout
Traceback (most recent call last):
File "", line 1, in
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/device.py", line 99, in show
data = self.sw1.send_req()
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/nxapi.py", line 279, in send_req
return req.get_resp(self.req_to_string(), self.cookie, self.timeout)
File "/root/Desktop/foobar/lib/python2.7/site-packages/pycsco/nxos/nxapi.py", line 133, in get_resp
timeout=timeout)) as resp:
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 154, in urlopen
return opener.open(url, data, timeout)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 431, in open
response = self._open(req, data)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 449, in _open
'_open', req)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 409, in _call_chain
result = func(*args)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 1227, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/urllib2.py", line 1200, in do_open
r = h.getresponse(buffering=True)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 1132, in getresponse
response.begin()
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 453, in begin
version, status, reason = self._read_status()
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/httplib.py", line 409, in _read_status
line = self.fp.readline(_MAXLINE + 1)
File "/usr/cisco/packages/python/python-2.7.10/lib/python2.7/socket.py", line 480, in readline
data = self._sock.recv(self._rbufsize)
socket.timeout: timed out

thanks
Tomer

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tdichter · 2015-12-18T17:37:29Z

sure jason,

Here is the show nxapi output:

show nxapi
nxapi enabled
HTTP Listen on port 80
HTTPS Listen on port 443

also, when I open a browser to the IP of this switch to see the API sandbox - this works, I can see the sandbox and run commands on it via the UI.
The image installed on that switch is:
NXOS: version 7.0(3)I2(1a)

Any idea what that might be?

Thanks,
Tomer

jedelman8 · 2015-12-18T17:53:09Z

Can you verify you're using the management IP address?

On Dec 18, 2015, at 12:37 PM, tdichter [email protected] wrote:

sure jason,

Here is the show nxapi output:

show nxapi
nxapi enabled
HTTP Listen on port 80
HTTPS Listen on port 443

also, when I open a browser to the IP of this switch to see the API sandbox - this works, I can see the sandbox and run commands on it via the UI.
The image installed on that switch is:
NXOS: version 7.0(3)I2(1a)

Any idea what that might be?

Thanks,
Tomer

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tdichter · 2015-12-18T18:14:44Z

the management interface is the one that I use in order to connect to the switch's sandbox:

interface mgmt0
vrf member management
ip address 10.10.10.10/16
line console
line vty
session-limit 16
boot nxos bootflash:/nxos.7.0.3.I2.1a.bin

thanks, Tomer

tdichter · 2015-12-18T19:01:17Z

Another thing which might be interesting, is that when I call:
switch = Device(ip='10.10.10.10',username='admin',password='default') - even if I specify a wrong password, it still works:

import json
import xmltodict
from pycsco.nxos.device import Device
switch = Device(ip='10.10.48.101',username='admin',password='wrongPWD!')

Shouldn't we see an authentication error here?

just wondering...
Thanks,
Tomer

tdichter · 2015-12-18T19:19:44Z

and lastly - some info about the Linux machine that I try running this from:
its a RHEL 6.5 which has Python 2.7.10 installed on it.

Not sure if this might be the root cause, but I thought of sharing this with you as well.

Thanks again for the help on that, Tomer

jedelman8 · 2015-12-18T19:34:05Z

Okay, try this...guaranteed to work...if it doesn't.... :)

from pycsco.nxos.device import Device
device = Device(ip='176.126.89.164', username='ntc',
password='Networktocode123')
device.show('show version')

On Fri, Dec 18, 2015 at 2:19 PM, tdichter [email protected] wrote:

and lastly - some info about the Linux machine that I try running this
from:
its a RHEL 6.5 which has Python 2.7.10 installed on it.

Not sure if this might be the root cause, but I thought of sharing this
with you as well.

Thanks again for the help on that, Tomer

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#21 (comment).

tdichter · 2015-12-18T19:46:48Z

looks like I cannot connect to that IP address with ping from the Linux machine I work with...

jedelman8 · 2015-12-18T19:48:04Z

It's on the public Internet. Maybe your corp IT is blocking.

tdichter · 2015-12-18T19:53:42Z

could be - but this is the same Linux that I ran Python automation on other vendors and all seems to work - only with the Cisco gear we have issues...

jedelman8 · 2015-12-18T19:56:25Z

Want to do a "pip install pycsco --upgrade" to be safe ?

On Fri, Dec 18, 2015 at 2:53 PM, tdichter [email protected] wrote:

could be - but this is the same Linux that I ran Python automation on
other vendors and all seems to work - only with the Cisco gear we have
issues...

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#21 (comment).

tdichter · 2015-12-18T20:02:41Z

sure - I just ran it now:

pip install pycsco --upgrade --proxy=64.102.255.40
Requirement already up-to-date: pycsco in ./lib/python2.7/site-packages
Requirement already up-to-date: scp in ./lib/python2.7/site-packages (from pycsco)
Collecting paramiko (from pycsco)
Downloading paramiko-1.16.0-py2.py3-none-any.whl (169kB)
100% |â–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆ| 172kB 452kB/s
Requirement already up-to-date: gtextfsm==0.2.1 in ./lib/python2.7/site-packages (from pycsco)
Requirement already up-to-date: xmltodict==0.9.2 in ./lib/python2.7/site-packages (from pycsco)
Requirement already up-to-date: ecdsa>=0.11 in ./lib/python2.7/site-packages (from paramiko->pycsco)
Requirement already up-to-date: pycrypto!=2.4,>=2.1 in ./lib/python2.7/site-packages (from paramiko->pycsco)
Installing collected packages: paramiko
Found existing installation: paramiko 1.15.2
Uninstalling paramiko-1.15.2:
Successfully uninstalled paramiko-1.15.2
Successfully installed paramiko-1.16.0
(foobar)[root@sjc23c-taffy foobar]#

now repeating the same sequence - still the same 'socket.timeout: timed out' error.
I'm not so sure what's the issue here :-(
In the worst case, Ill implement something of my own to execute the nx-api with Python, as the sand-box tool can generate the code, and I can give parameters to run any command needed in order to have the automation done....

jedelman8 · 2015-12-18T20:07:44Z

The only other differences are my testing is on Ubuntu running Python 2.6.
Time permitting I can try 2.7.10 - anyway you can try from another machine?

tdichter · 2015-12-18T20:09:13Z

hmmm - you might be up to something, cos another colleague who works with the same Linux OS on the same Python distro is able to run this...

thanks for the info on that :-)

jedelman8 · 2015-12-18T20:14:20Z

Okay, I'll keep this open for a few days. Would be good to find out if the problem is the OS, version of Python, or something else :)
Let me know if you find out.

tdichter · 2015-12-18T21:20:08Z

sure - if there is a section of "known issues" or "release" notes, this piece of information can be mentioned there to let users know ...

Thanks,
Tomer

jedelman8 · 2015-12-18T21:35:09Z

Or we narrow down the issue to OS or Python version, and implement the fix :)

On Dec 18, 2015, at 4:20 PM, tdichter [email protected] wrote:

sure - if there is a section of "known issues" or "release" notes, this piece of information can be mentioned there to let users know ...

Thanks,
Tomer

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tdichter · 2015-12-18T21:39:07Z

True - until that can be done, we can publish something about that possible incompatibility that was found.

tdichter · 2015-12-20T02:32:38Z

I think that this issue can be closed and until proven differently, we can say that there is a compatibility problem when running this API on Python 2.7 running on a RHEL 6.5 OS.

I used the web based sandbox tool to generate Python API's from the generated code and make it open enough to be used on any switch needed, and also to scale up to as many switches the users will wish to automate.

Thanks for the help,
Tomer

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'socket.timeout: timed out' error is seen when running a 'show' method call #21

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