installCloudinit.sh

#!/bin/bash

##
##  fast-run: curl -o install-cloudinit.sh https://gist.githubusercontent.com/Pandry/a24b1b681ea5524157799cb013c1b387/raw/7895d24277abce440fcfd010d7380067b255728e/installCloudinit.sh && chmod +x install-cloudinit.sh && ./install-cloudinit.sh
##
## Author: Pandry (github.com/Pandry)
## Date: 23/10/2018
## Script: CloudInit installer for RHosting.it
## Version: 0.1
## 

if [ $(which dnf) ]; then
        OS="Fedora"
elif [ $(which yum) ]; then
        OS="RHEL"
elif [ $(which apt) ]; then
        OS="Debian"
elif [ $(which apt-get) ]; then
        OS="DebianOld"
        
        #Debian is old, warning message
        read -p "The current Ubuntu/Debian is quite old and could not work, are you sure you want to continue? " -n 1 -r
        echo    # move to a new line
        if [[ $REPLY =~ ^[Nn]$ ]] # If user says no, return, otherwise continue
        then
            return
        fi
else
        echo "OS not supported"
        return
fi

#Installs the required packages
if [ "$OS" == "Fedora" ]; then
  dnf install git-core python36 yum-utils groupinstall development curl git-core sudo -y
elif [ "$OS" == "RHEL" ]; then
  yum install git-core python36 yum-utils groupinstall development curl git-core sudo -y
elif [ "$OS" == "Debian" ]; then
  apt install python3-dev python3-pip libacl1-dev sudo curl git-core sudo -y
elif [ "$OS" == "DebianOld" ]; then
  apt-get install python3-dev python3-pip libacl1-dev sudo curl git-core sudo -y
fi

# Downloads CURL
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py


if [ "$OS" == "RHEL" ] || [ "$OS" == "Fedora" ]; then
  python36 get-pip.py
elif [ "$OS" == "Debian" ] || [ "$OS" == "DebianOld" ]; then
  python3 get-pip.py
else
        echo "OS not supported"
        return
fi

# Downloads the last cloudinit version from github
git clone https://github.com/cloud-init/cloud-init.git
# Browse
cd cloud-init
# Installs the needed python requirements
pip3 install -r requirements.txt 

# Installs cloudinit with the necessary python version (changes from debian to RHEL-based distros)
if [ "$OS" == "RHEL" ] || [ "$OS" == "Fedora" ]; then
  python36 setup.py build
  python36 setup.py install --init-system systemd
elif [ "$OS" == "Debian" ] || [ "$OS" == "DebianOld" ]; then
  python3 setup.py build
  python3 setup.py install --init-system systemd
else
        echo "OS not supported"
        return
fi


sudo ln -s /usr/local/bin/cloud-init /usr/bin/cloud-init

#Enables all the things cloudinit wants
# https://cloudinit.readthedocs.io/en/latest/topics/boot.html
for svc in cloud-init-local.service cloud-init.service cloud-config.service cloud-final.service; do
  sudo systemctl enable $svc
  sudo systemctl start  $svc
done

# Check the status - need to be manually checked.
cloud-init init --local
cloud-init status

rm get-pip.py
rm -rf cloud-init/