usage of config-maps in gke deployments

[ramues...@gmail.com]

I have created config-map and I am using the following yaml file to create a pod which uses the data as env variables but I am getting crashloopbackoff. When I remove the " command: [ "/bin/sh", "-c", "env" ]". It is running but i did not see any env variables in the pod. "echo $KUBE_CONFIG_1". It shows up blank. Can you please help me resolving this. (MY reqyuirement is to use env variables in configmap and attach it to the pod).

apiVersion: v1
kind: Pod
metadata:
name: config-env-test-pod
spec:
containers:
- name: test-container
image: gcr.io/google_containers/busybox
command: [ "/bin/sh", "-c", "env" ]
env:
- name: KUBE_CONFIG_1
valueFrom:
configMapKeyRef:
name: test-configmap
key: data-1
- name: KUBE_CONFIG_2
valueFrom:
configMapKeyRef:
name: test-configmap
key: data-2

[Ahmet Alp Balkan]

I can't reproduce your problem./ I see the KUBE_CONFIG_1 and _2 just fine when I deploy this pod.

I just created configmap:

    kubectl create configmap test-configmap --from-literal=data-1=foo --from-literal=data-2=bar

If you're seeing a crashloopbackoff, it probably doesn't have anything to do with "command".

Do "kubectl describe -f FILE.yaml" to see why it's crashing. It probably can't find the configmap or one of its keys.

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[Ramu Immadi]

When I remove that "command" it worked fine.

I used my own image which is have Java alpine image.

Regards

Ram

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[Ramu Immadi]

I am using kubernetes 1.8

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