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device import from libreNMS failure #284

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dBitech opened this issue Aug 5, 2020 · 2 comments
Open

device import from libreNMS failure #284

dBitech opened this issue Aug 5, 2020 · 2 comments

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@dBitech
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dBitech commented Aug 5, 2020

When trying to import devices from libreNMS, the followign error is rasied:


object{8} | object |   | {8}
-- | -- | -- | --
object |   | {8}
duration:0:00:00 |   | duration | : | 0:00:00
  | duration | : | 0:00:00
properties{2} |   | properties |   | {2}
  | properties |   | {2}
result:Traceback (most recent call last): File \"/usr/home/darcy/eNMS/eNMS/models/automation.py\", line 757, in run_service_job   results = self.service.job(self, payload, *args) File \"/usr/home/darcy/eNMS/eNMS/services/miscellaneous/topology_import.py\", line 36, in job   getattr(self, f\"query_{self.import_type}\")() File \"/usr/home/darcy/eNMS/eNMS/services/miscellaneous/topology_import.py\", line 93, in query_librenms   ).json()[\"devices\"]KeyError: 'devices' |   | result | : | Traceback (most recent call last): File \"/usr/home/darcy/eNMS/eNMS/models/automation.py\", line 757, in run_service_job   results = self.service.job(self, payload, *args) File \"/usr/home/darcy/eNMS/eNMS/services/miscellaneous/topology_import.py\", line 36, in job   getattr(self, f\"query_{self.import_type}\")() File \"/usr/home/darcy/eNMS/eNMS/services/miscellaneous/topology_import.py\", line 93, in query_librenms   ).json()[\"devices\"]KeyError: 'devices'
  | result | : | Traceback (most recent call last): File \"/usr/home/darcy/eNMS/eNMS/models/automation.py\", line 757, in run_service_job   results = self.service.job(self, payload, *args) File \"/usr/home/darcy/eNMS/eNMS/services/miscellaneous/topology_import.py\", line 36, in job   getattr(self, f\"query_{self.import_type}\")() File \"/usr/home/darcy/eNMS/eNMS/services/miscellaneous/topology_import.py\", line 93, in query_librenms   ).json()[\"devices\"]KeyError: 'devices'
runtime:2020-08-05 02:59:41.059297 |   | runtime | : | 2020-08-05 02:59:41.059297
  | runtime | : | 2020-08-05 02:59:41.059297
state{2} |   | state |   | {2}
  | state |   | {2}
success:false |   | success | : | false
  | success | : | false
summary{2} |   | summary |   | {2}
  | summary |   | {2}
trigger:UI |   | trigger | : | UI
  | trigger | : | UI

```  This is regression behavior, as it was working in -master ~30 days ago
@afourmy
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afourmy commented Aug 5, 2020

that code hasn't changed in 4 months: https://github.com/eNMS-automation/eNMS/blame/081fdb2d4493dfa6d11afcb7b8f2bcfeb84299a0/eNMS/services/miscellaneous/topology_import.py#L89-L107

so if something has changed, it's either your environment, or librenms ?

@dBitech
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dBitech commented Aug 5, 2020

upon further investigation, the issue is a trailing / in the url. this results in the following to be sent to librenms:

        Host: nms.if.hamwan.ca
        User-Agent: curl/7.71.1
        Accept: */*
        X-Auth-Token: <hidden>

returning back to the process:

        HTTP/1.1 401 Unauthorized
        Date: Wed, 05 Aug 2020 13:25:45 GMT
        Server: Apache/2.4.29 (Ubuntu)
        Cache-Control: no-cache, private
        Set-Cookie: XSRF-TOKEN=eyJpdiI6IjV0OG5MV0c1Q3gvcmxIZFZDL1FXbHc9PSIsInZhbHVlIjoiMW5kMVYwVFVRQWgrME8vdm9MYXVJWmxISVduT1NSSXZLc1BSY0VBM3RQOWRKMVpXSnNwTGhqU0laemlnT3RSOCIsIm1hYyI6Ijk3YmY5NzNlZmU0MGI4N2ViMjBkZDVmZDZiY2RmNmQxZWIxYzAzZTI0ODdlYmU1MjFiYTVkYTI5MTY2NjJjNmUifQ==; expires=Wed, 05-Aug-2020 15:25:45 GMT; Max-Age=7200; path=/; samesite=lax
        Set-Cookie: laravel_session=eyJpdiI6IjlrS0ZlQWluTnBZS2tkMlVCd244eHc9PSIsInZhbHVlIjoiZDA3TnB0Z3h3Sm5GNm4vZkRCOVZHWVRiT2xpSlpNNDJXblh4aUdOd2JWWDZkczhPd2M0TnJaZmRSY0hMWGVjUiIsIm1hYyI6IjBhNjA0ZmY1N2IzNmI3N2FjYmEyMzM5MmJiNWFhY2ZkOGNkMjQ0N2EwOGNlZjE5MGRmMzI3ZWM2MzI5NDkxZTcifQ==; expires=Wed, 05-Aug-2020 15:25:45 GMT; Max-Age=7200; path=/; httponly; samesite=lax
        Content-Length: 30
        Content-Type: application/json

        {"message":"Unauthenticated."}[!http]

This response code is not checked, and the message is not interpreted.

Confirmation of the // in the url being the casue of the issues was confirmed with curl:

[darcy@nms /usr/home/darcy/eNMS]$ curl -s -H "X-Auth-Token: <hidden>" http://librenms//api/v0/devices | wc -l
       0
[darcy@nms /usr/home/darcy/eNMS]$ curl -s -H "X-Auth-Token: <hidden>" http://librenms/api/v0/devices | wc -l
    4181

And in the gui.

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@dBitech @afourmy