AFAIK you can't reference config maps across namespaces. Try creating the
configmap & deployment in the same namespace, & setting the
configMapKeyRef.name to simply the name of the configmap (my-configmap in
your example).

On Wed, 21 Sep 2016 at 07:54 Manoj Khotele <manojkumar.khot...@gmail.com>
wrote:

> Hello Brandon,
>
> Please find attached the files which I have tried and tested against
> k8s-v1.3.4.
> Just go on creating namespace, configmap and then deployment.
>
> Then describe the pod created. You will get this error - Error syncing
> pod, skipping: failed to "StartContainer" for "logstash" with
> RunContainerError: "GenerateRunContainerOptions: configmaps
> \"my-configmap.non-default-namespace\" not found"
>
> Thanks in advance,
> Manoj
>
> On Wed, Sep 21, 2016 at 10:34 AM, Brandon Philips <
> brandon.phil...@coreos.com> wrote:
>
>> Please attach or paste in the json/yaml for the configmap and deployment
>> so we can help debug.
>>
>> On Tue, Sep 20, 2016 at 9:50 PM Manoj Khotele <
>> manojkumar.khot...@gmail.com> wrote:
>>
>>> Hello,
>>>
>>> I have created a configmap, let's say, named 'my-configmap' in let's say
>>> 'non-default-namespace' namespace.
>>> I am trying to create a deployment in the same 'non-default-namespace'
>>> itself, which refers to the config-map to get the values of env var
>>> populated.
>>>
>>> But I am always getting the error which indicates that k8s could not
>>> find the configmap.
>>>
>>> I tried almost all the combinations for mentioning the name of
>>> config-maps for accessing the key-values from deployment file; like:
>>> non-default-namespace.my-configmap, my-configmap.non-default-namespace,
>>> my-configmap
>>>
>>> I tried separators other than '.' as well, like '/' and ':'.
>>>
>>> Please help.
>>>
>>> I am working with k8s v 1.3.4.
>>>
>>> Best Regards,
>>> Manoj
>>>
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