coins-demo/contrib/firstboot.sh

#!/bin/bash
bootflag='/.manufactured'
groot='/opt/coins-demo'

k8sDemoWA () {
    printf "\033c"
    echo 'Disabling swap space...'
    sync && swapoff -a && sed -i '/ swap / s/^/#/' /etc/fstab
    export KUBECONFIG=/root/.kube/config
} 
k8sDeploy () {
    echo 'Installing K8s...'
    cd ${groot}/contrib/ansible && \
    ansible-playbook bootstrap-node.yml && \
    ansible-playbook init-cluster.yml
    # Sometimes it's still not ready on this stage, let's check it just to be sure
    while true ; do 
    echo "Waiting for node up..."
    result=$(kubectl get nodes|awk '{print $2}'| tail -1| grep -nE '^Ready')
        if [ -z "$result" ] ; then
          break
        fi
        sleep 10
    done
}
InstallRegistry () {
    echo ToDo   
}
InstallIngress () {
    # Allow scheduling on our master node
    kubectl taint nodes k8s-demo node-role.kubernetes.io/master-
    # Installing Ingress
    helm repo add nginx-stable https://helm.nginx.com/stable && \
    helm repo update && \
    helm install nginx-stable/nginx-ingress --namespace kube-system --generate-name --set rbac.create=true
}

if [ ! -f ${bootflag} ]; then
    touch ${bootflag} 
    k8sDemoWA;
    k8sDeploy;
    InstallIngress;
    InstallRegistry
fi