Kubernetes does not pull docker image from private repository without https

I configured docker on the same host as my kubernetes-master for the private docker registry.
Docker pushing to the private docker registry without https was successful.
I also can pull the image just using docker.

When I run kubernetes for this image, I get with ‘kubectl describe pods’ following log :

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  • kubectl describe pods
    Name:       fgpra-250514157-yh6vb
    Namespace:  default
    Node:       5.179.232.64/5.179.232.64
    Start Time: Tue, 11 Oct 2016 18:06:59 +0200
    Labels:     pod-template-hash=250514157,run=fgpra
    Status:     Pending
    IP:     <removed myself>
    Controllers:    ReplicaSet/fgpra-250514157
    Containers:
      fgpra:
        Container ID:   
        Image:      5.179.232.65:5000/some_api_image
        Image ID:       
        Port:       3000/TCP
        QoS Tier:
          cpu:      BestEffort
          memory:       BestEffort
        State:      Waiting
          Reason:       ErrImagePull
        Ready:      False
        Restart Count:  0
        Environment Variables:
    Conditions:
      Type      Status
      Ready     False 
    Volumes:
      default-token-q7u3x:
        Type:   Secret (a volume populated by a Secret)
        SecretName: default-token-q7u3x
    Events:
      FirstSeen LastSeen    Count   From            SubobjectPath       Type        Reason          Message
      --------- --------    -----   ----            -------------       --------    ------          -------
      4s        4s      1   {default-scheduler }                Normal      Scheduled       Successfully assigned fgpra-250514157-yh6vb to 5.179.232.64
      4s        4s      1   {kubelet 5.179.232.64}              Warning     MissingClusterDNS   kubelet does not have ClusterDNS IP configured and cannot create Pod using "ClusterFirst" policy. Falling back to DNSDefault policy.
      4s        4s      1   {kubelet 5.179.232.64}  spec.containers{fgpra}  Normal      Pulling         pulling image "5.179.232.65:5000/some_api_image"
      4s        4s      1   {kubelet 5.179.232.64}  spec.containers{fgpra}  Warning     Failed          Failed to pull image "5.179.232.65:5000/some_api_image": unable to ping registry endpoint https://5.179.232.65:5000/v0/
    v2 ping attempt failed with error: Get https://5.179.232.65:5000/v2/: http: server gave HTTP response to HTTPS client
     v1 ping attempt failed with error: Get https://5.179.232.65:5000/v1/_ping: http: server gave HTTP response to HTTPS client
      4s    4s  1   {kubelet 5.179.232.64}      Warning FailedSync  Error syncing pod, skipping: failed to "StartContainer" for "fgpra" with ErrImagePull: "unable to ping registry endpoint https://5.179.232.65:5000/v0/\nv2 ping attempt failed with error: Get https://5.179.232.65:5000/v2/: http: server gave HTTP response to HTTPS client\n v1 ping attempt failed with error: Get https://5.179.232.65:5000/v1/_ping: http: server gave HTTP response to HTTPS client"
    
      3s    3s  1   {kubelet 5.179.232.64}  spec.containers{fgpra}  Normal  BackOff     Back-off pulling image "5.179.232.65:5000/some_api_image"
      3s    3s  1   {kubelet 5.179.232.64}              Warning FailedSync  Error syncing pod, skipping: failed to "StartContainer" for "fgpra" with ImagePullBackOff: "Back-off pulling image \"5.179.232.65:5000/some_api_image\""
    

    I already configured my /etc/init.d/sysconfig/docker to use my insecure private registry.

    This is the command to start the kubernetes deployment :

    kubectl run fgpra --image=5.179.232.65:5000/some_api_image --port=3000
    

    How can I set kubernetes to pull from my private docker registry without using ssl?

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  • One Solution collect form web for “Kubernetes does not pull docker image from private repository without https”

    This rather a docker issue than a kubernetes one. You need to add your http registry as a insecure-registry to your docker daemon on each kubernetes node.

    docker daemon --insecure-registry=5.179.232.65:5000

    In most environment there is a file like /etc/default/docker where you can add this parameter.

    Docker will be the best open platform for developers and sysadmins to build, ship, and run distributed applications.