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- netboot-base.nix with SSH key auth - Launch scripts for node01/02/03 - Node configuration.nix and disko.nix - Nix modules for first-boot automation 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
123 lines
2.9 KiB
Bash
123 lines
2.9 KiB
Bash
#!/bin/sh
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# PXE Server Automated Setup Script for Alpine Linux
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# This script should be run inside the Alpine installer environment
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# Usage: sh pxe-server-setup.sh
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set -e
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echo "=== PlasmaCloud PXE Server Setup ==="
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echo "This script will:"
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echo "1. Install Alpine Linux to disk"
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echo "2. Configure static networking (192.168.100.1)"
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echo "3. Install and configure dnsmasq (DHCP/DNS/TFTP)"
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echo "4. Install openssh for remote access"
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echo ""
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# 1. Configure keyboard and hostname
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setup-keymap us us
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setup-hostname pxe-server
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# 2. Configure network interfaces
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cat > /tmp/interfaces <<'EOF'
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auto lo
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iface lo inet loopback
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# Multicast network (cluster nodes)
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auto eth0
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iface eth0 inet static
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address 192.168.100.1
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netmask 255.255.255.0
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# User network (internet access)
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auto eth1
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iface eth1 inet dhcp
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EOF
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cp /tmp/interfaces /etc/network/interfaces
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rc-service networking restart
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# 3. Configure DNS (use public DNS for outbound)
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echo "nameserver 8.8.8.8" > /etc/resolv.conf
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echo "nameserver 8.8.4.4" >> /etc/resolv.conf
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# 4. Setup APK repositories (use fastest mirror)
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setup-apkrepos -f
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# 5. Install system to disk
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echo "Installing Alpine to disk /dev/vda..."
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echo -e "y\n" | setup-disk -m sys /dev/vda
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# 6. Mount the new root and configure it
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mount /dev/vda3 /mnt
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mount /dev/vda1 /mnt/boot
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# 7. Install required packages in the new system
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chroot /mnt apk add --no-cache \
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dnsmasq \
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openssh \
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curl \
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bash \
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vim
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# 8. Configure dnsmasq in the new system
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cat > /mnt/etc/dnsmasq.conf <<'EOF'
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# PlasmaCloud PXE Server dnsmasq configuration
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# Interface to listen on (multicast network)
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interface=eth0
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# DHCP range for cluster nodes
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dhcp-range=192.168.100.100,192.168.100.150,12h
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# DHCP options
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dhcp-option=3,192.168.100.1 # Gateway
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dhcp-option=6,192.168.100.1 # DNS server
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# Static DHCP leases for nodes
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dhcp-host=52:54:00:00:01:01,node01,192.168.100.11
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dhcp-host=52:54:00:00:01:02,node02,192.168.100.12
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dhcp-host=52:54:00:00:01:03,node03,192.168.100.13
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# DNS domain
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domain=plasma.local
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local=/plasma.local/
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# Enable TFTP
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enable-tftp
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tftp-root=/var/lib/tftpboot
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# Logging
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log-queries
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log-dhcp
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# PXE boot configuration (optional - for future PXE boot testing)
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# dhcp-boot=pxelinux.0
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EOF
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# 9. Create TFTP boot directory
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mkdir -p /mnt/var/lib/tftpboot
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# 10. Copy network configuration to new system
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cp /tmp/interfaces /mnt/etc/network/interfaces
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# 11. Configure SSH
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echo "PermitRootLogin yes" >> /mnt/etc/ssh/sshd_config
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# 12. Enable services in new system
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chroot /mnt rc-update add networking boot
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chroot /mnt rc-update add dnsmasq default
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chroot /mnt rc-update add sshd default
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# 13. Set root password (for SSH access)
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echo "root:plasmacloud" | chroot /mnt chpasswd
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echo ""
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echo "=== Installation Complete ==="
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echo "System will reboot from disk"
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echo "PXE server will be available at: 192.168.100.1"
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echo "DHCP range: 192.168.100.100-150"
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echo "SSH: ssh root@192.168.100.1 (password: plasmacloud)"
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echo ""
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echo "Press Enter to reboot..."
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read
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reboot
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