Export a kubectl portable config. Import into rancher or other tools.

export-kubeconfig.sh

#!/bin/bash

### kubectl should really allow you to export a singel context.
### if you only have one context you can just run `kubectl config view --flatten`
### if you have more than one context use this script.
###
### **Requires jq: https://stedolan.github.io/jq/
###

context=${1:-"minikube"}
full_config=$(kubectl config view --flatten -o json)

## extract one context
contexts=$( echo $full_config | jq -r ".contexts[] | select(.name == \"${context}\")" )
if [[ -z $contexts ]]; then
  echo "${context} context not found in kubectl config" >&2
  exit 1
fi

cluster=$( echo $contexts | jq -r ".context.cluster" )
user=$( echo $contexts | jq -r ".context.user" )

clusters=$( echo $full_config | jq -r ".clusters[] | select(.name == \"${cluster}\")" )
users=$( echo $full_config | jq -r ".users[] | select(.name == \"${user}\")" )

output=$(cat <<EOF
{
    "apiVersion": "v1",
    "kind": "Config",
    "current-context": "${context}",
    "contexts": [ ${contexts} ],
    "users": [ ${users} ],
    "clusters": [ ${clusters} ]
}
EOF
)

echo $output | jq '.'