#!/bin/bash

#Initial packages
apt update
apt install curl apt-transport-https ca-certificates gnupg lsb-release -y

# Install Docker
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo \
 "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
 $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
apt-get update
apt-get install docker-ce docker-ce-cli containerd.io -y

#Install kubectl
apt update
apt-get install -y apt-transport-https ca-certificates curl
curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg
echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
apt-get update
apt-get install -y kubectl

#Install minikube
curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube_latest_amd64.deb
mv minikube_latest_amd64.deb /usr/local/bin
dpkg -i /usr/local/bin\/minikube_latest_amd64.deb
rm /tmp/minikube_latest_amd64.deb

#Install httpie
apt -y install httpie jq

#Install Portainer
docker volume create portainer_data
docker run -d -p 8000:8000 -p 9000:9000 --name=portainer --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer-ce

#Add the portainer user to the docker group
usermod -aG docker portainer

#Define Admin user and Password
http POST http://localhost:9000/api/users/admin/init Username="portainer" Password="portainer1234"

#Get the admin JWT token
jwt=`http POST :9000/api/auth Username="portainer" Password="portainer1234" | jq '.jwt' | sed 's/^.//' | sed 's/.$//'`

#Add local Docker endpoint
http --form POST :9000/api/endpoints "Authorization: Bearer $jwt" Name="docker" EndpointCreationType=1

#Start minikube
sudo -u portainer minikube start --nodes 2 --driver=docker --ports=":30778" --ports=":9001"

#Add the metrics server to the minikube cluster
sudo -u portainer minikube addons enable metrics-server

#Add ingress to the minikube cluster
sudo -u portainer minikube addons enable ingress

#Add Portainer Agent to the local kind Kubernetes cluster
sudo -u portainer curl -qL https://downloads.portainer.io/portainer-agent-k8s-nodeport.yaml -o /home/portainer/portainer-agent-k8s.yaml; sudo -u portainer kubectl apply -f /home/portainer/portainer-agent-k8s.yaml
sudo -u portainer rm /home/portainer/portainer-agent-k8s.yaml

#Check if the Portainer Agent is running
echo ""
echo ""
while true
do
agent_state=`sudo -u portainer kubectl get pod -n portainer | awk '{ print $3 }' | tail -1`
if [ "$agent_state" != "Running" ]; then
	echo -ne '⚡ Portainer Agent Not Running yet\r'
else
	break
fi
sleep 1
done

#Get mapped 30778 port from control-plane
jwt=`http POST :9000/api/auth Username="portainer" Password="portainer1234" | jq '.jwt' | sed 's/^.//' | sed 's/.$//'`
port=`docker port minikube | grep 30778 | head -1 | awk '$1=$1' FS=":" OFS=" " |  awk '{ print $4 }'`

#Add local Kubernetes endpoint
sleep 5
sudo -u portainer http --form POST :9000/api/endpoints "Authorization: Bearer $jwt" Name="kubernetes" URL="tcp://10.0.2.8:$port" EndpointCreationType=2 TLS="true" TLSSkipVerify="true" TLSSkipClientVerify="true"

#Housekeeping
sed -i /@reboot/d /etc/crontab
echo '@reboot   	root    /usr/bin/tmux new-session -d /usr/local/bin/rebuild > /dev/tty1' >> /etc/crontab
echo ""
echo "Portainer Sandobx installed. Open your browser on http://localhost:9090"
echo "Username: portainer"
echo "Password: portainer1234"