Linode Nodebalancer SSL Automate with Stackscript, tested on CentOS 7

Stackscript

#!/bin/bash

# <UDF name="APIKEY" label="linode API Key"/>
# <UDF name="NODENAME" label="SSL Linode name"/>
# <UDF name="DOMAIN" label="HTTPS domain" />
# <UDF name="BALANCERNAME" label="Nodebalancer Name" />

cd ~

# If have error, Check Stackscript.log on Node with SSL Prompt

bash -s > Stackscript.log << 'INITEOF'
yum install epel-release git yum-utils  -y
sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo

# Install linode-cli Depend packages on https-cert-communicate 
sudo yum install linode-cli nginx expect docker-ce install perl-Crypt-SSLeay perl-LWP-Protocol-https -y

sudo systemctl start docker
service nginx restart

F_PRIV_IP_DATA=$(linode IP-Add $NODENAME --api-key $APIKEY --private) # Assign new private IP to node
F_PRIV_IP=$(echo $F_PRIV_IP_DATA | awk '{ print $3 }')


echo "Private IP $F_PRIV_IP created"

echo "" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "IPADDR1=$F_PRIV_IP" >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo "PREFIX1=17" >> /etc/sysconfig/network-scripts/ifcfg-eth0
/etc/init.d/network restart

echo "Network script set completed."

# nodebalancer must be created with name $BALANCERNAME
linode nodebalancer config-create $BALANCERNAME --port 80 --protocol http --api-key $APIKEY
linode nodebalancer config-create $BALANCERNAME --port 443 --protocol http --api-key $APIKEY

# connect SSL Node to nodebalancer
linode nodebalancer node-create $BALANCERNAME 80 app$NODENAME $F_PRIV_IP:80 --api-key $APIKEY 
linode nodebalancer node-create $BALANCERNAME 443 app$NODENAME $F_PRIV_IP:80 --api-key $APIKEY

while true;do 
  http_status=$(curl --write-out %{http_code} --silent --output /dev/null $DOMAIN)
  sleep 1
  if [[ "$http_status" == "200" ]]; then
    break
  else
    echo "Checking $DOMAIN nodebalancer.. $http_status"
  fi
done

# acme.sh SSL 
docker run --rm -itd  \
-v "$(pwd)/out":/acme.sh  \
-v "/usr/share/nginx/html/":/public_html \
--net=host \
--name=acme.sh \
neilpang/acme.sh daemon 

docker exec acme.sh --issue -d $DOMAIN -w /public_html

# Update nodebalancer settings to 443 
linode nodebalancer config-update --label backend-loadbalancer --protocol https --port 443 --ssl-cert ~/out/$DOMAIN/fullchain.cer --ssl-key ~/out/$DOMAIN/$DOMAIN.key --api-key $APIKEY
exit
INITEOF