115 lines
3.9 KiB
Bash
115 lines
3.9 KiB
Bash
#!/usr/bin/env bash
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# Deploy Rina VM on a remote host running QEMU/libvirt (virsh).
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# Uses Debian cloud image + cloud-init for automated minimal install.
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#
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# Run on the remote machine (or from your machine with LIBVIRT_DEFAULT_URI).
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# Requires: libvirt, virt-install, qemu-img, genisoimage (or cloud-image-utils)
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set -e
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VM_NAME="${VM_NAME:-rina}"
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CPU="${CPU:-2}"
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MEMORY_GB="${MEMORY_GB:-4}"
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DISK_GB="${DISK_GB:-128}"
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# Debian 13 (Trixie) generic cloud image with cloud-init
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DEBIAN_IMAGE_URL="${DEBIAN_IMAGE_URL:-https://cloud.debian.org/images/cloud/trixie/latest/debian-13-generic-amd64.qcow2}"
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IMAGE_NAME=$(basename "$DEBIAN_IMAGE_URL")
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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CLOUD_INIT_DIR="$SCRIPT_DIR/cloud-init"
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POOL_DIR="${POOL_DIR:-/var/lib/libvirt/images}"
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BASE_IMAGE="$POOL_DIR/$IMAGE_NAME"
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VM_DISK="$POOL_DIR/${VM_NAME}.qcow2"
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SEED_ISO="$POOL_DIR/${VM_NAME}-seed.iso"
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# Network: libvirt virtual network (e.g. 'default') or host bridge
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# VLAN 40 (eth1.40 + br1.40): run systemd-networkd config on the host first, then:
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# BRIDGE=br1.40 ./deploy-rina-vm.sh
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# Other: BRIDGE=br0 or NETWORK=default
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NETWORK="${NETWORK:-default}"
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BRIDGE="${BRIDGE:-br1.40}"
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echo "=== Rina VM deployment ==="
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echo " VM name: $VM_NAME"
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echo " CPU: $CPU Memory: ${MEMORY_GB}G Disk: ${DISK_GB}G"
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echo " Base image: $DEBIAN_IMAGE_URL"
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echo " Pool dir: $POOL_DIR"
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if [[ -n "$BRIDGE" ]]; then
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echo " Network: bridge $BRIDGE"
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else
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echo " Network: $NETWORK"
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fi
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echo ""
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# 1) Ensure base image exists and resize copy for VM
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if [[ ! -f "$BASE_IMAGE" ]]; then
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echo "Downloading Debian cloud image..."
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sudo mkdir -p "$POOL_DIR"
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sudo curl -L -o "$BASE_IMAGE" "$DEBIAN_IMAGE_URL"
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echo "Downloaded $BASE_IMAGE"
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fi
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if [[ -f "$VM_DISK" ]]; then
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echo "VM disk already exists: $VM_DISK"
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read -p "Overwrite? (y/N) " -n 1 -r; echo
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if [[ ! $REPLY =~ ^[yY]$ ]]; then
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echo "Aborted."
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exit 1
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fi
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sudo rm -f "$VM_DISK"
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fi
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echo "Creating VM disk (${DISK_GB}G) from base image..."
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sudo qemu-img create -f qcow2 -F qcow2 -b "$BASE_IMAGE" "$VM_DISK"
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sudo qemu-img resize "$VM_DISK" "${DISK_GB}G"
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echo "Done: $VM_DISK"
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# 2) Build cloud-init NoCloud seed ISO
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for f in user-data meta-data network-config; do
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if [[ ! -f "$CLOUD_INIT_DIR/$f" ]]; then
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echo "Missing cloud-init file: $CLOUD_INIT_DIR/$f"
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exit 1
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fi
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done
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if command -v cloud-localds &>/dev/null; then
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echo "Building seed ISO with cloud-localds..."
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cloud-localds -v "$SEED_ISO" \
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"$CLOUD_INIT_DIR/user-data" \
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"$CLOUD_INIT_DIR/meta-data"
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else
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echo "Building seed ISO with genisoimage..."
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TMP_CI="$SCRIPT_DIR/.cloud-init-seed"
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mkdir -p "$TMP_CI"
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cp "$CLOUD_INIT_DIR/user-data" "$CLOUD_INIT_DIR/meta-data" "$TMP_CI/"
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sudo genisoimage -output "$SEED_ISO" -volid cidata -joliet -rock "$TMP_CI"/user-data "$TMP_CI"/meta-data
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rm -rf "$TMP_CI"
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fi
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echo "Seed ISO: $SEED_ISO"
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# 3) Create and start VM
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if sudo virsh list --all --name | grep -qx "$VM_NAME"; then
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echo "VM '$VM_NAME' already defined. Undefine it first: virsh undefine $VM_NAME"
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exit 1
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fi
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echo "Creating VM..."
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sudo virt-install \
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--name "$VM_NAME" \
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--memory "$(( MEMORY_GB * 1024 ))" \
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--vcpus "$CPU" \
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--import \
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--disk "path=$VM_DISK,format=qcow2,bus=virtio" \
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--disk "path=$SEED_ISO,device=cdrom,bus=sata" \
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--network "$(if [[ -n "$BRIDGE" ]]; then echo "bridge=$BRIDGE,model=virtio"; else echo "network=$NETWORK,model=virtio"; fi)" \
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--os-variant debiantrixie \
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--noautoconsole
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# 4) Dump domain XML to project directory for reference/version control
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VM_XML="$SCRIPT_DIR/${VM_NAME}.xml"
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sudo virsh dumpxml "$VM_NAME" > "$VM_XML"
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echo "VM definition saved to: $VM_XML"
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echo ""
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echo "VM '$VM_NAME' is starting. First boot runs cloud-init (user rina, password rinapwd, IP 192.168.40.225 on VLAN 40 / br1.40)."
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echo "To open console: virsh console $VM_NAME"
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echo "To check: virsh list; ssh rina@192.168.40.225 (after cloud-init finishes, ~1–2 min)."
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