#!/bin/bash
# Setup LXC containers for CI/CD infrastructure

set -e

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
NC='\033[0m' # No Color

echo -e "${GREEN}🚀 Setting up CI/CD Infrastructure on Proxmox${NC}"

# Configuration
TEMPLATE_ID=9000  # Ubuntu 22.04 template ID
STORAGE="local-lvm"
BRIDGE="vmbr1"
GATEWAY="10.10.0.1"
DNS="8.8.8.8"

# Container specifications
declare -A CONTAINERS=(
    ["git-server"]="100:10.10.0.10:2048:20"
    ["cicd-registry"]="101:10.10.0.20:4096:50" 
    ["production"]="102:10.10.0.30:2048:20"
)

create_container() {
    local name=$1
    local config=$2
    IFS=':' read -r id ip memory disk <<< "$config"
    
    echo -e "${YELLOW}Creating container: $name (ID: $id)${NC}"
    
    # Create container
    pct create $id $TEMPLATE_ID \
        --hostname $name \
        --cores 2 \
        --memory $memory \
        --swap 512 \
        --storage $STORAGE \
        --rootfs $STORAGE:$disk \
        --net0 name=eth0,bridge=$BRIDGE,firewall=1,gw=$GATEWAY,ip=$ip/24,type=veth \
        --nameserver $DNS \
        --features nesting=1,keyctl=1 \
        --unprivileged 1 \
        --start 1
    
    echo -e "${GREEN}✅ Container $name created and started${NC}"
    
    # Wait for container to boot
    sleep 10
    
    # Install Docker
    echo -e "${YELLOW}Installing Docker on $name...${NC}"
    pct exec $id -- bash -c "
        apt update && apt upgrade -y
        apt install -y ca-certificates curl gnupg lsb-release
        curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
        echo 'deb [arch=\$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \$(lsb_release -cs) stable' | tee /etc/apt/sources.list.d/docker.list > /dev/null
        apt update
        apt install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
        systemctl enable docker
        systemctl start docker
        usermod -aG docker root
    "
    
    # Install Docker Compose
    pct exec $id -- bash -c "
        curl -L https://github.com/docker/compose/releases/latest/download/docker-compose-linux-x86_64 -o /usr/local/bin/docker-compose
        chmod +x /usr/local/bin/docker-compose
        ln -sf /usr/local/bin/docker-compose /usr/bin/docker-compose
    "
    
    echo -e "${GREEN}✅ Docker installed on $name${NC}"
}

# Create containers
for container in "${!CONTAINERS[@]}"; do
    create_container "$container" "${CONTAINERS[$container]}"
done

echo -e "${GREEN}🎉 All containers created successfully!${NC}"
echo -e "${YELLOW}Next steps:${NC}"
echo "1. Configure DNS: git.home.lab → 10.10.0.10"
echo "2. Deploy services using docker-compose files"
echo "3. Configure webhooks and CI/CD"

echo -e "${GREEN}Container Access:${NC}"
echo "Git Server:    ssh root@10.10.0.10 or pct enter 100"
echo "CI/CD:         ssh root@10.10.0.20 or pct enter 101"  
echo "Production:    ssh root@10.10.0.30 or pct enter 102"