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  1. Help-Coaches-Desk
  2. HELC-1417

FIWARE.Request.Coach.CreatiFI.General Support #456: Filab instance Reverse DNS Lookup problems

    Details

    • Type: extRequest
    • Status: Closed
    • Priority: Major
    • Resolution: Done
    • Component/s: CreatiFI
    • Labels:
      None

      Description

      Issue #456 has been reported by Toni Laine.
      ------------------------------
      General Support #456: Filab instance Reverse DNS Lookup problems
      <http://techsupport.creatifi.eu/issues/456>

      • Author: Toni Laine
      • Status: New
      • Priority: High
      • Assignee: Barcelona Tech Support (Spain&Finland)
      • Category: Helsinki Hub (Finland)
      • Support Type: FIWARE Lab Infrastructure
      • FIWARE Jira ID:
      • FIWARE Lab Region: Spain2

      Hello,

      Is it possible to get DNS properly working on Filab cloud instance? I
      installed the instance from a CEP image. It seems the normal DNS checks all
      return errors in my case.

      $ host 130.206.118.112
      Host 112.118.206.130.in-addr.arpa. not found: 3(NXDOMAIN)
      $ nslookup 130.206.118.112
      Server: 8.8.8.8
      Address: 8.8.8.8#53

      • server can't find 112.118.206.130.in-addr.arpa.: NXDOMAIN

      $ dig x 130.206.118.112
      ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.5 <<>> -x 130.206.118.112
      ;; global options: +cmd
      ;; Got answer:
      ;; ->>HEADER<< opcode: QUERY, status: NXDOMAIN, id: 44748
      ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
      ;; QUESTION SECTION:
      ;112.118.206.130.in-addr.arpa. IN PTR
      ;; AUTHORITY SECTION:
      206.130.in-addr.arpa. 1799 IN SOA sun.rediris.es. hostmaster.rediris.es.
      2015121600 14400 7200 2592000 7200
      ;; Query time: 72 msec
      ;; SERVER: 8.8.8.8#53(8.8.8.8)
      ;; WHEN: Thu Jun 9 09:56:57 2016
      ;; MSG SIZE rcvd: 107

      The /etc/hosts/ -file seemed to have some HTML page not found -errors in
      it, which would point to the installation could not properly set up all
      hosts for the cluster? Could you please provide hot the hosts-file should
      look after proper installation of CentOS instanse in Filab. Here is the
      hosts-file after I removed the access HTML. Unfortunately I do not have the
      errors anymore, but they seemed like normal response you get when trying to
      wget or curl into a server that cannot be connected.

      127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
      ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
      10.0.6.48 newcep.novalocal
      192.168.251.33 eventmore-cep.novalocal

      Thanks for your help!

      Since January 1st, old domains won't be supported and messages sent to any domain different to @lists.fiware.org will be lost.
      Please, send your messages using the new domain (Fiware-creatifi-coaching@lists.fiware.org) instead of the old one.
      _______________________________________________
      Fiware-creatifi-coaching mailing list
      Fiware-creatifi-coaching@lists.fiware.org
      https://lists.fiware.org/listinfo/fiware-creatifi-coaching
      [Created via e-mail received from: Lino Valdivia <lino.valdivia@i2cat.net>]

        Issue Links

          Activity

          fw.ext.user FW External User created issue -
          backlogmanager Backlog Manager made changes -
          Field Original Value New Value
          Component/s CreatiFI [ 10357 ]
          backlogmanager Backlog Manager made changes -
          Assignee Silvio Cretti [ silvio.cretti ]
          silviocretti Silvio Cretti made changes -
          Component/s _LAB_ [ 11401 ]
          Hide
          silviocretti Silvio Cretti added a comment -

          Dear accelerator,
          your issue has been taken by the FIWARE Lab owner
          BR

          Show
          silviocretti Silvio Cretti added a comment - Dear accelerator, your issue has been taken by the FIWARE Lab owner BR
          silviocretti Silvio Cretti made changes -
          Status Open [ 1 ] In Progress [ 3 ]
          backlogmanager Backlog Manager made changes -
          Link This issue relates to HELP-6749 [ HELP-6749 ]
          backlogmanager Backlog Manager made changes -
          Component/s _LAB_ [ 11401 ]
          Hide
          silviocretti Silvio Cretti added a comment -

          Dear accelerator,
          following the FIWARE reply:

          ****************

          I do not understand very well your problem. You have instantiated a server in which you have configured a DNS service and you have problem with it and you are asking to resolve those problems or to know if it is possible to have it?
          It is correct?

          ****************

          Show
          silviocretti Silvio Cretti added a comment - Dear accelerator, following the FIWARE reply: **************** I do not understand very well your problem. You have instantiated a server in which you have configured a DNS service and you have problem with it and you are asking to resolve those problems or to know if it is possible to have it? It is correct? ****************
          Hide
          silviocretti Silvio Cretti added a comment -

          Dear accelerator,
          any news about that? Otherwise I close the ticket
          BR

          Show
          silviocretti Silvio Cretti added a comment - Dear accelerator, any news about that? Otherwise I close the ticket BR
          Hide
          fw.ext.user FW External User added a comment -

          Comment by lino.valdivia@i2cat.net :

          Hi Silvio,

          Let me follow up with Toni first before you close this ticket please.

          Thanks,
          Lino

          2016-06-15 14:21 GMT+02:00 Help-Coaches-Desk <
          coaches-help-desk-jira@fi-ware.org>:

          >
          >

          Show
          fw.ext.user FW External User added a comment - Comment by lino.valdivia@i2cat.net : Hi Silvio, Let me follow up with Toni first before you close this ticket please. Thanks, Lino 2016-06-15 14:21 GMT+02:00 Help-Coaches-Desk < coaches-help-desk-jira@fi-ware.org>: > >
          Hide
          silviocretti Silvio Cretti added a comment -

          Dear accelerator,
          I forwarded your update to the FIWARE expert
          BR

          Show
          silviocretti Silvio Cretti added a comment - Dear accelerator, I forwarded your update to the FIWARE expert BR
          Hide
          silviocretti Silvio Cretti added a comment -

          Dear accelerator,
          the FIWARE expert nedds other info:

          • he suspects that the applicant tried to configure a DNS in a VM, in this case it is not allowed

          So are you trying to configure DNS in a VM?

          BR

          Show
          silviocretti Silvio Cretti added a comment - Dear accelerator, the FIWARE expert nedds other info: he suspects that the applicant tried to configure a DNS in a VM, in this case it is not allowed So are you trying to configure DNS in a VM? BR
          Hide
          fw.ext.user FW External User added a comment -

          Comment by lino.valdivia@i2cat.net :

          Hi Silvio,

          In this case I think he was trying to do some DNS operations from within
          the VM (host, nslookup), and not necessarily configure or install it.
          Are these operations not expected to work from inside the VM?

          Lino

          2016-06-20 8:38 GMT+02:00 Help-Coaches-Desk <
          coaches-help-desk-jira@fi-ware.org>:

          >
          >

          Show
          fw.ext.user FW External User added a comment - Comment by lino.valdivia@i2cat.net : Hi Silvio, In this case I think he was trying to do some DNS operations from within the VM (host, nslookup), and not necessarily configure or install it. Are these operations not expected to work from inside the VM? Lino 2016-06-20 8:38 GMT+02:00 Help-Coaches-Desk < coaches-help-desk-jira@fi-ware.org>: > >
          Hide
          silviocretti Silvio Cretti added a comment -

          Dear accelerator,
          sorry but as explained by the FIWARE owner it is not possible.
          BR

          Show
          silviocretti Silvio Cretti added a comment - Dear accelerator, sorry but as explained by the FIWARE owner it is not possible. BR
          Hide
          fw.ext.user FW External User added a comment -

          Comment by lino.valdivia@i2cat.net :

          Hi Silvio,

          Ok, I will communicate that to the Filab user.
          Just so I can expIain it to them further, is there any particular reason
          why that is the case (security restrictions, perhaps?) Also, do you know if
          it's documented somewhere?

          Lino

          2016-06-20 11:05 GMT+02:00 Help-Coaches-Desk <
          coaches-help-desk-jira@fi-ware.org>:

          >
          >

          Show
          fw.ext.user FW External User added a comment - Comment by lino.valdivia@i2cat.net : Hi Silvio, Ok, I will communicate that to the Filab user. Just so I can expIain it to them further, is there any particular reason why that is the case (security restrictions, perhaps?) Also, do you know if it's documented somewhere? Lino 2016-06-20 11:05 GMT+02:00 Help-Coaches-Desk < coaches-help-desk-jira@fi-ware.org>: > >
          Hide
          silviocretti Silvio Cretti added a comment - - edited

          Dear,
          It is not possible to install a DNS instance inside a server due to it will produce IP collisions with external DNS instances and network communication failures in general.

          BR

          Show
          silviocretti Silvio Cretti added a comment - - edited Dear, It is not possible to install a DNS instance inside a server due to it will produce IP collisions with external DNS instances and network communication failures in general. BR
          silviocretti Silvio Cretti made changes -
          Status In Progress [ 3 ] Answered [ 10104 ]
          silviocretti Silvio Cretti made changes -
          Resolution Done [ 10000 ]
          Status Answered [ 10104 ] Closed [ 6 ]
          backlogmanager Backlog Manager made changes -
          Summary [Fiware-creatifi-coaching] [CreatiFI Barcelona/Helsinki Hub] General Support #456: Filab instance Reverse DNS Lookup problems FIWARE.Request.Coach.CreatiFI.General Support #456: Filab instance Reverse DNS Lookup problems
          Transition Time In Source Status Execution Times Last Executer Last Execution Date
          Open Open In Progress In Progress
          4h 26m 1 Silvio Cretti 09/Jun/16 4:48 PM
          In Progress In Progress Answered Answered
          12d 22h 50m 1 Silvio Cretti 22/Jun/16 3:39 PM
          Answered Answered Closed Closed
          2s 1 Silvio Cretti 22/Jun/16 3:39 PM

            People

            • Assignee:
              silviocretti Silvio Cretti
              Reporter:
              fw.ext.user FW External User
            • Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: