[Nix-dev] nixops "No such file or directory" after creation

Wout Mertens wout.mertens at gmail.com
Thu Aug 21 12:13:28 CEST 2014 

Hi Rich,

you have to specify the attribute for virtualbox, not the package name. So
linuxPackages.virtualbox in this case. You can find the attributes with
nix-env -qaP

Wout.



On Thu, Aug 21, 2014 at 12:02 AM, Richard Wallace <
rwallace at thewallacepack.net> wrote:

> Ok, that will work if I can figure one last thing out.  My goal here is to
> use nixops to deploy an application into virtualbox for testing locally,
> and to EC2 for production.  I was hoping to use nixops without being in a
> nix-shell if I could so I could use my already installed virtualbox.
>
> I figured I could still do it, but I would just need to get virtualbox
> installed into the shell.  So I tried to start it with that package
>
> $ nix-shell --pure -p nix -p nixops -p virtualbox --show-trace
> error: while evaluating the attribute `nativeBuildInputs' of the
> derivation `shell' at
> /nix/store/pbndpjx0wddm96v9kpiv408ljywccnn8-nixpkgs-14.10pre47363.2e2d3f3/nixpkgs/pkgs/build-support/trivial-builders.nix:10:14:
> while evaluating `optionals' at
> /nix/store/pbndpjx0wddm96v9kpiv408ljywccnn8-nixpkgs-14.10pre47363.2e2d3f3/nixpkgs/lib/lists.nix:117:21,
> called from
> /nix/store/pbndpjx0wddm96v9kpiv408ljywccnn8-nixpkgs-14.10pre47363.2e2d3f3/nixpkgs/pkgs/stdenv/generic/default.nix:121:56:
> while evaluating the attribute `buildInputs' at (string):1:49:
> undefined variable `virtualbox' at (string):1:81
>
> I can install it to my environment just file, though.  So it seems
> something about the virtualbox config and nix-shell just aren't getting
> along.  If I could get that resolved, I think I'd be off to the races. :)
>
> Rich
>
>
> On Wed, Aug 20, 2014 at 11:38 AM, Wout Mertens <wout.mertens at gmail.com>
> wrote:
>
>> Just create a wrapper for nixops that calls "nix-shell --pure -p nix -p
>> nixos --command nixops"?
>>
>> Wout.
>> On Aug 20, 2014 6:56 PM, "Richard Wallace" <rwallace at thewallacepack.net>
>> wrote:
>>
>>> Aha! Because I started with `nix-shell --pure -p nixops` none of the nix
>>> commands were in my $PATH and I didn't even realize it.  That fixed it.
>>>
>>> I'd like to avoid needing to use nix-shell to use nixops, but when I try
>>> to use nixops from my regular shell I get
>>>
>>> $ nixops list
>>> Traceback (most recent call last):
>>>   File
>>> "/nix/store/lx8n1wija7n0mijpq0p3g0sj0ymnvw2k-nixops-1.2/bin/..nixops-wrapped-wrapped",
>>> line 5, in <module>
>>>     from nixops import deployment
>>>   File
>>> "/nix/store/lx8n1wija7n0mijpq0p3g0sj0ymnvw2k-nixops-1.2/lib/python2.7/site-packages/nixops/deployment.py",
>>> line 5, in <module>
>>>     import subprocess
>>>   File
>>> "/nix/store/rr4vmi7zzbximnrfj7czya1wy4k0ii9d-python-2.7.8/lib/python2.7/subprocess.py",
>>> line 430, in <module>
>>>     import pickle
>>>   File
>>> "/nix/store/rr4vmi7zzbximnrfj7czya1wy4k0ii9d-python-2.7.8/lib/python2.7/pickle.py",
>>> line 34, in <module>
>>>     import struct
>>>   File
>>> "/nix/store/rr4vmi7zzbximnrfj7czya1wy4k0ii9d-python-2.7.8/lib/python2.7/struct.py",
>>> line 1, in <module>
>>>     from _struct import *
>>> ImportError:
>>> /nix/store/rr4vmi7zzbximnrfj7czya1wy4k0ii9d-python-2.7.8/lib/python2.7/lib-dynload/_struct.so:
>>> undefined symbol: PyUnicodeUCS2_AsEncodedString
>>>
>>> If someone could tell me how to fix that I would be extremely happy. :)
>>>
>>> Thanks,
>>> Rich
>>>
>>>
>>> On Wed, Aug 20, 2014 at 9:46 AM, Domen Kožar <domen at dev.si> wrote:
>>>
>>>> nix-instantiate is missing in your $PATH.
>>>>
>>>>
>>>> On Wed, Aug 20, 2014 at 6:28 PM, Richard Wallace <
>>>> rwallace at thewallacepack.net> wrote:
>>>>
>>>>> Yes, sorry, I meant to do that and then completely forgot.
>>>>>
>>>>> $ nixops info --debug -d d397269c-27fb-11e4-96b7-d1c68637124d
>>>>> Traceback (most recent call last):
>>>>>   File
>>>>> "/nix/store/lx8n1wija7n0mijpq0p3g0sj0ymnvw2k-nixops-1.2/bin/..nixops-wrapped-wrapped",
>>>>> line 855, in <module>
>>>>>     args.op()
>>>>>   File
>>>>> "/nix/store/lx8n1wija7n0mijpq0p3g0sj0ymnvw2k-nixops-1.2/bin/..nixops-wrapped-wrapped",
>>>>> line 192, in op_info
>>>>>     do_eval(depl)
>>>>>   File
>>>>> "/nix/store/lx8n1wija7n0mijpq0p3g0sj0ymnvw2k-nixops-1.2/bin/..nixops-wrapped-wrapped",
>>>>> line 139, in do_eval
>>>>>     depl.evaluate()
>>>>>   File
>>>>> "/nix/store/lx8n1wija7n0mijpq0p3g0sj0ymnvw2k-nixops-1.2/lib/python2.7/site-packages/nixops/deployment.py",
>>>>> line 291, in evaluate
>>>>>     "-A", "info"], stderr=self.logger.log_file)
>>>>>   File
>>>>> "/nix/store/rr4vmi7zzbximnrfj7czya1wy4k0ii9d-python-2.7.8/lib/python2.7/subprocess.py",
>>>>> line 566, in check_output
>>>>>     process = Popen(stdout=PIPE, *popenargs, **kwargs)
>>>>>   File
>>>>> "/nix/store/rr4vmi7zzbximnrfj7czya1wy4k0ii9d-python-2.7.8/lib/python2.7/subprocess.py",
>>>>> line 710, in __init__
>>>>>     errread, errwrite)
>>>>>   File
>>>>> "/nix/store/rr4vmi7zzbximnrfj7czya1wy4k0ii9d-python-2.7.8/lib/python2.7/subprocess.py",
>>>>> line 1327, in _execute_child
>>>>>     raise child_exception
>>>>> OSError: [Errno 2] No such file or directory
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Aug 20, 2014 at 9:26 AM, Eelco Dolstra <
>>>>> eelco.dolstra at logicblox.com> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> On 20/08/14 18:21, Richard Wallace wrote:
>>>>>>
>>>>>> > It looks like there is a python library that isn't being found.
>>>>>> Not sure why
>>>>>> > that would be though. Any ideas?
>>>>>>
>>>>>> Can you invoke nixops with --debug? That should print a stack trace
>>>>>> showing the
>>>>>> location of the exception.
>>>>>>
>>>>>> --
>>>>>> Eelco Dolstra | LogicBlox, Inc. | http://nixos.org/~eelco/
>>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> nix-dev mailing list
>>>>> nix-dev at lists.science.uu.nl
>>>>> http://lists.science.uu.nl/mailman/listinfo/nix-dev
>>>>>
>>>>>
>>>>
>>>
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>>>
>
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