91 lines
3.1 KiB
Bash
Executable file
91 lines
3.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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# PlasmaCloud VM Cluster - Node 01 (Netboot with SSH Key)
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# Features:
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# - Direct kernel/initrd boot (no ISO required)
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# - SSH key authentication baked in (no password setup needed)
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# - Multicast socket for inter-VM L2 communication (eth0)
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# - SLIRP with SSH port forward for host access (eth1)
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# - Telnet serial console
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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REPO_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
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DISK="${SCRIPT_DIR}/node03.qcow2"
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KERNEL="${SCRIPT_DIR}/netboot-kernel/bzImage"
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INITRD="${SCRIPT_DIR}/netboot-initrd/initrd"
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# Networking
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MAC_MCAST="52:54:00:12:34:03" # eth0: multicast (192.168.100.13)
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MAC_SLIRP="52:54:00:aa:bb:03" # eth1: SLIRP DHCP (10.0.2.15)
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MCAST_ADDR="230.0.0.1:1234"
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SSH_PORT=2203 # Host port -> VM port 22
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# Console access
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VNC_DISPLAY=":3" # VNC fallback
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SERIAL_PORT=4403 # Telnet serial
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# Verify netboot artifacts exist
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if [ ! -f "$KERNEL" ]; then
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echo "ERROR: Kernel not found at $KERNEL"
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echo "Build with: nix build .#nixosConfigurations.netboot-base.config.system.build.kernel"
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exit 1
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fi
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if [ ! -f "$INITRD" ]; then
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echo "ERROR: Initrd not found at $INITRD"
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echo "Build with: nix build .#nixosConfigurations.netboot-base.config.system.build.netbootRamdisk"
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exit 1
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fi
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INIT_PATH="/init"
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if command -v nix >/dev/null 2>&1; then
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if TOPLEVEL=$(nix eval --raw "$REPO_ROOT#nixosConfigurations.netboot-base.config.system.build.toplevel" 2>/dev/null); then
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INIT_PATH="${TOPLEVEL}/init"
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fi
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fi
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echo "============================================"
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echo "Launching node03 with netboot (SSH key auth)..."
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echo "============================================"
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echo " Disk: ${DISK}"
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echo " Kernel: ${KERNEL}"
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echo " Initrd: ${INITRD}"
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echo ""
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echo "Network interfaces:"
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echo " eth0 (mcast): MAC ${MAC_MCAST} -> configure 192.168.100.13"
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echo " eth1 (SLIRP): MAC ${MAC_SLIRP} -> DHCP (10.0.2.x), SSH on host:${SSH_PORT}"
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echo ""
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echo "Console access:"
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echo " Serial: telnet localhost ${SERIAL_PORT}"
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echo " VNC: vncviewer localhost${VNC_DISPLAY} (port 5901)"
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echo " SSH: ssh -o StrictHostKeyChecking=no -p ${SSH_PORT} root@localhost"
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echo ""
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echo "SSH key authentication is ENABLED (no password required!)"
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echo "============================================"
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qemu-system-x86_64 \
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-name node03-netboot \
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-machine type=q35,accel=kvm \
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-cpu host \
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-smp 8 \
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-m 16G \
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-drive file="${DISK}",if=virtio,format=qcow2 \
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-kernel "${KERNEL}" \
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-initrd "${INITRD}" \
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-append "init=${INIT_PATH} console=ttyS0,115200 console=tty0 loglevel=4" \
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-netdev vde,id=vde0,sock=/tmp/vde.sock \
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-device virtio-net-pci,netdev=vde0,mac="${MAC_MCAST}" \
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-netdev user,id=user0,hostfwd=tcp::${SSH_PORT}-:22 \
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-device virtio-net-pci,netdev=user0,mac="${MAC_SLIRP}" \
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-vnc "${VNC_DISPLAY}" \
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-serial mon:telnet:127.0.0.1:${SERIAL_PORT},server,nowait \
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-daemonize
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echo ""
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echo "VM started! SSH should be available immediately:"
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echo " ssh -o StrictHostKeyChecking=no -p ${SSH_PORT} root@localhost"
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echo ""
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echo "If needed, serial console:"
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echo " telnet localhost ${SERIAL_PORT}"
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echo ""
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