Create config.yaml kubernetes

create-user.sh

 #!/bin/bash

# Create environment variables
USER=$1
USER_DIR=./$1
ENV={EDIT_ENV}
SERVER_API_URI=https://{EDIT_SERVER_API}:6443/

# create the user environment directory
mkdir -p $USER_DIR

openssl req -newkey rsa:2048 -nodes -keyout $USER_DIR/$USER.key -out $USER_DIR/$USER.csr -subj "/CN=$1"
openssl x509 -req -in $USER_DIR/$USER.csr -CA /etc/kubernetes/pki/ca.crt -CAkey /etc/kubernetes/pki/ca.key -CAcreateserial -out $USER_DIR/$USER.crt -days 1000

# Encode in base 64 requested keys
USER_PRIVATE_KEY=$(cat $USER_DIR/$USER.key | base64 | tr -d '\n')
USER_PUBLIC_KEY=$(cat $USER_DIR/$USER.crt | base64 | tr -d '\n')
SERVER_PUBLIC_KEY=$(cat /etc/kubernetes/pki/ca.crt | base64 | tr -d '\n')

read -r -d '' KUBECONFIG <<- EOM
apiVersion: v1
kind: Config
preferences: {}
clusters:
- cluster:
    certificate-authority-data: ${SERVER_PUBLIC_KEY}
    server: ${SERVER_API_URI}
  name: ${ENV}
users:
- name: ${USER}
  user:
    client-certificate-data: ${USER_PUBLIC_KEY}
    client-key-data: ${USER_PRIVATE_KEY}
contexts:
- context:
    cluster: ${ENV}
    user: ${USER}
  name: ${ENV}
current-context: ${ENV}
EOM

echo "You can now save this to your ~/.kube/config"
echo
echo "-----------------------------------"
echo
echo "$KUBECONFIG"
echo
echo "-----------------------------------"

echo "$KUBECONFIG" > ./$USER_DIR/$USER-config.yaml