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#!/bin/bash

# Script to run as root in Ubuntu 22.04 running on Oracle Virtual Box. 
# This will bring up MiniKube running. For further Non-RT RIC installation, the related block must uncomment and run.
# NOTE: Do 'sudo su' before running the script
# NOTE: Before start to installation, ensure that Curl, Git and Wget are ready to use!

###Log all cmds to stdout###
set -x

###Fetch and install Docker###
curl -fsSL https://get.docker.com -o get-docker.sh

sh get-docker.sh

###Install Conntrack###
apt-get install conntrack

###Install Socat###
apt install socat

###Install GO Lang###
wget https://storage.googleapis.com/golang/getgo/installer_linux
chmod +x ./installer_linux
./installer_linux
source ~/.bash_profile

###Install cri-dockerd###
git clone https://github.com/Mirantis/cri-dockerd.git
cd cri-dockerd
mkdir bin
go build -o bin/cri-dockerd
mkdir -p /usr/local/bin
install -o root -g root -m 0755 bin/cri-dockerd /usr/local/bin/cri-dockerd
cp -a packaging/systemd/* /etc/systemd/system
sed -i -e 's,/usr/bin/cri-dockerd,/usr/local/bin/cri-dockerd,' /etc/systemd/system/cri-docker.service
systemctl daemon-reload
systemctl enable cri-docker.service
systemctl enable --now cri-docker.socket
cd ..

###Install Crictl###
VERSION="v1.25.0"
wget https://github.com/kubernetes-sigs/cri-tools/releases/download/$VERSION/crictl-$VERSION-linux-amd64.tar.gz
sudo tar zxvf crictl-$VERSION-linux-amd64.tar.gz -C /usr/local/bin
rm -f crictl-$VERSION-linux-amd64.tar.gz

###Fetch and install Minikube###
curl -Lo minikube https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 \
 && chmod +x minikube
mkdir -p /usr/local/bin/
install minikube /usr/local/bin/

###Fetch and install Kubectl###
curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`/bin/linux/amd64/kubectl
chmod +x ./kubectl
mv ./kubectl /usr/local/bin/kubectl
kubectl version --client #Just print the version

###Fetch Helm 3###
curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
chmod 700 get_helm.sh
./get_helm.sh

###exit root###
exit

###Add user to docker group###
sudo usermod -aG docker $USER && newgrp docker