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
}
InstallCSI () {
    helm repo add rimusz https://charts.rimusz.net
    helm install rimusz/hostpath-provisioner --generate-name
}
InstallRegistry () {
    helm repo add stable https://kubernetes-charts.storage.googleapis.com/
    helm install registry stable/docker-registry \
        --set ingress.enabled=true \
        --set ingress.hosts[0]="registry.k8s-demo.vm"
    echo '100.100.100.15 registry.k8s-demo.vm' >> /etc/hosts
}
InstallPGSQL () {
    helm repo add bitnami https://charts.bitnami.com/bitnami
    helm install db bitnami/postgresql \
        --set persistence.storageClass=hostpath \
        --set persistence.size=1Gi
    POSTGRES_PASSWORD=$(kubectl get secret db-postgresql -o jsonpath="{.data.postgresql-password}" | base64 --decode)
}
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 install nginx-stable/nginx-ingress --namespace kube-system --generate-name --set rbac.create=true
    # Fix external IP for LB...
    kubectl patch svc $(kubectl get svc -n kube-system|grep nginx-ingress|awk '{print $1}') -n kube-system --patch "$(cat ${groot}/contrib/ymls/ingress.fix.yaml)"
}
InstallApp () {
    cd ${groot}
    werf deploy --env production --set 'DBPwd=$(kubectl get secret db-postgresql -o jsonpath="{.data.postgresql-password}" | base64 --decode)'
}

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