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Lithops on kubernetes (batch/job)

Lithops with kubernetes as serverless compute backend.

Configuration

  1. Edit your Lithops config and add the following keys:
  lithops:
      backend : k8s
  1. Make sure you have a kubernetes cluster configuration file.

    • Option 1: You have the config file in ~/.kube/config

    • Option 2: You have the config file in another location, and you exported the KUBECONFIG variable:

      export KUBECONFIG=<path-to-kube-config-file>

    • Option 3: You have the config file in another location, and you set the kubecfg_path var in the Lithops config:

      k8s:
    kubecfg_path: <path-to-kube-config-file>

Configure a private container registry for your runtime

Configure Docker hub

To configure Lithops to access a private repository in your docker hub account, you need to extend the kubernetes config and add the following keys:

k8s:
    ....
    docker_user      : <Docker hub Username>
    docker_password  : <DOcker hub access TOEKN>

Configure IBM Container Registry

To configure Lithops to access to a private repository in your IBM Container Registry, you need to extend the kubernetes config and add the following keys:

k8s:
    ....
    docker_server    : us.icr.io
    docker_user      : iamapikey
    docker_password  : <IBM IAM API KEY>

Summary of configuration keys for kubernetes:

Group Key Default Mandatory Additional info
k8s kubecfg_path no Path to kubecfg file. Mandatory if config file not in ~/.kube/config or KUBECONFIG env var not present
k8s docker_server https://index.docker.io/v1/ no Docker server URL
k8s docker_user no Docker hub username
k8s docker_password no Login to your docker hub account and generate a new access token here
k8s runtime no Docker image name.
k8s runtime_cpu 0.125 no CPU limit. Default 0.125vCPU
k8s runtime_memory 256 no Memory limit in MB. Default 256Mi
k8s runtime_timeout 600 no Runtime timeout in seconds. Default 600 seconds