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vm-bench/backend/install.sh

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#!/bin/bash
set -e
# ╔════════════════════════════════════════════════════════════════════╗
# ║ VM Bench — Full Deployment Script (run on Proxmox host srv2) ║
# ║ ║
# ║ Usage: bash /mnt/converter/backend/install.sh ║
# ║ ║
# ║ Does everything: ║
# ║ 1. Creates /mnt/converter/ directory tree ║
# ║ 2. Clones (or pulls) the git repository ║
# ║ 3. Installs system packages + Python deps + systemd service ║
# ║ 4. Prompts for container ID + network config ║
# ║ 5. Creates the vm-bench LXC container with bind mount ║
# ╚════════════════════════════════════════════════════════════════════╝
# ───────────────────────────────────────────────────────────────────
# Colours & paths
# ───────────────────────────────────────────────────────────────────
RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[0;33m'; CYAN='\033[0;36m'; NC='\033[0m'
REPO_URL="https://git.lohmar.co.uk/cclohmar/vm-bench.git"
CONVERTER_ROOT="/mnt/converter"
SCRIPT_DIR="${CONVERTER_ROOT}/backend"
SERVICE_NAME="vm-bench-backend"
SERVICE_FILE="${SCRIPT_DIR}/${SERVICE_NAME}.service"
SYSTEMD_DIR="/etc/systemd/system"
# ───────────────────────────────────────────────────────────────────
# Banner
# ───────────────────────────────────────────────────────────────────
echo ""
echo "╔═════════════════════════════════════════════════════════╗"
echo "║ VM Bench — Full Deployment Installer ║"
echo "║ Target: Proxmox host (srv2) ║"
echo "╚═════════════════════════════════════════════════════════╝"
echo ""
# ───────────────────────────────────────────────────────────────────
# Pre-flight: must run on a Proxmox host
# ───────────────────────────────────────────────────────────────────
echo "[preflight] Checking environment..."
if ! command -v pct &>/dev/null; then
echo " ${RED}✗${NC} 'pct' not found — this script must run on a Proxmox host."
exit 1
fi
if ! command -v git &>/dev/null; then
echo " Installing git..."
apt-get update -qq && apt-get install -y -qq git
fi
echo " ${GREEN}✓${NC} Running on Proxmox host."
# ───────────────────────────────────────────────────────────────────
# Step 1: Create directory tree
# ───────────────────────────────────────────────────────────────────
echo ""
echo "[1/6] Creating directory structure..."
for d in \
"$CONVERTER_ROOT" \
"$CONVERTER_ROOT/in" \
"$CONVERTER_ROOT/out" \
"$CONVERTER_ROOT/logs" \
"$CONVERTER_ROOT/tmp" \
"$CONVERTER_ROOT/backend" \
"$CONVERTER_ROOT/frontend" \
"$CONVERTER_ROOT/frontend/templates" \
"$CONVERTER_ROOT/frontend/static"; do
if [ ! -d "$d" ]; then
mkdir -p "$d"
echo " Created: $d"
fi
done
echo " ${GREEN}✓${NC} Directories ready."
# ───────────────────────────────────────────────────────────────────
# Step 2: Clone or update the git repository
# ───────────────────────────────────────────────────────────────────
echo ""
echo "[2/6] Cloning / updating repository..."
if [ -d "$CONVERTER_ROOT/.git" ]; then
echo " Existing repo found, pulling latest..."
git -C "$CONVERTER_ROOT" pull --ff-only
echo " ${GREEN}✓${NC} Repository updated."
else
# Clone into a temp location, then move if /mnt/converter is not empty
if [ -z "$(ls -A "$CONVERTER_ROOT" 2>/dev/null)" ]; then
git clone "$REPO_URL" "$CONVERTER_ROOT"
else
echo " ${YELLOW}!${NC} ${CONVERTER_ROOT} is not empty — cloning into temp and copying..."
TMP_CLONE=$(mktemp -d)
git clone "$REPO_URL" "$TMP_CLONE"
cp -a "$TMP_CLONE"/. "$CONVERTER_ROOT"/
rm -rf "$TMP_CLONE"
fi
echo " ${GREEN}✓${NC} Repository cloned."
fi
# ───────────────────────────────────────────────────────────────────
# Step 3: System packages
# ───────────────────────────────────────────────────────────────────
echo ""
echo "[3/6] Checking system packages..."
PACKAGES=()
REQUIRED=(
python3 "python3"
python3-pip "pip3"
qemu-utils "qemu-img"
libguestfs-tools "guestfish"
p7zip-full "7z"
unzip "unzip"
unrar-free "unrar"
tar "tar"
gzip "gunzip"
bzip2 "bunzip2"
xz-utils "xz"
)
for ((i=0; i<${#REQUIRED[@]}; i+=2)); do
pkg="${REQUIRED[$i]}"
bin="${REQUIRED[$i+1]}"
if command -v "$bin" &>/dev/null; then
echo " ${GREEN}✓${NC} $bin"
else
echo " ${YELLOW}○${NC} $bin (will install ${pkg})"
PACKAGES+=("$pkg")
fi
done
if [ ${#PACKAGES[@]} -gt 0 ]; then
echo ""
echo " Installing: ${PACKAGES[*]}"
apt-get update -qq
apt-get install -y -qq "${PACKAGES[@]}"
echo " ${GREEN}✓${NC} System packages installed."
else
echo " ${GREEN}✓${NC} All system packages present."
fi
# ───────────────────────────────────────────────────────────────────
# Step 4: Python dependencies + systemd service
# ───────────────────────────────────────────────────────────────────
echo ""
echo "[4/6] Installing Python dependencies..."
cd "$SCRIPT_DIR"
python3 -m pip install --break-system-packages -r requirements.txt -q
echo " ${GREEN}✓${NC} Python dependencies installed."
echo ""
echo "[5/6] Installing systemd service..."
if [ ! -f "$SERVICE_FILE" ]; then
echo " ${RED}✗${NC} Service file not found: $SERVICE_FILE"
echo " Make sure the repository was cloned correctly."
exit 1
fi
cp "$SERVICE_FILE" "$SYSTEMD_DIR/${SERVICE_NAME}.service"
systemctl daemon-reload
systemctl enable "$SERVICE_NAME"
systemctl restart "$SERVICE_NAME"
sleep 2
if systemctl is-active --quiet "$SERVICE_NAME"; then
echo " ${GREEN}✓${NC} Backend is RUNNING on port 9000"
echo " Verify: curl http://127.0.0.1:9000/api/v1/health"
else
echo " ${RED}✗${NC} Backend failed to start. Check logs:"
echo " journalctl -u ${SERVICE_NAME} -n 30"
exit 1
fi
# ───────────────────────────────────────────────────────────────────
# Step 6: Create the vm-bench LXC container
# ───────────────────────────────────────────────────────────────────
echo ""
echo "╔═════════════════════════════════════════════════════════╗"
echo "║ LXC Container Setup (vm-bench frontend) ║"
echo "╚═════════════════════════════════════════════════════════╝"
echo ""
# ── Prompt for container ID ──────────────────────────────────────
read -p " Container ID (e.g. 20020): " CTID
if [ -z "$CTID" ]; then
echo " ${RED}✗${NC} Container ID is required."
exit 1
fi
# Check if ID already exists
if pct status "$CTID" &>/dev/null; then
echo " ${YELLOW}!${NC} Container $CTID already exists."
read -p " Overwrite? [y/N]: " OVERWRITE
if [ "$OVERWRITE" != "y" ] && [ "$OVERWRITE" != "Y" ]; then
echo " Aborted."
exit 0
fi
echo " Destroying existing container $CTID..."
pct stop "$CTID" --skiplock 2>/dev/null || true
pct destroy "$CTID" --purge 2>/dev/null || true
fi
# ── Network settings ─────────────────────────────────────────────
echo ""
echo " ${CYAN}Network configuration:${NC}"
read -p " IP address/CIDR [10.2.0.20/16]: " CT_IP
read -p " Gateway [10.2.0.2]: " CT_GW
read -p " Bridge [vmbr0]: " CT_BRIDGE
read -p " MAC address [BC:24:11:80:5A:B1]: " CT_MAC
CT_IP="${CT_IP:-10.2.0.20/16}"
CT_GW="${CT_GW:-10.2.0.2}"
CT_BRIDGE="${CT_BRIDGE:-vmbr0}"
CT_MAC="${CT_MAC:-BC:24:11:80:5A:B1}"
NET_CFG="name=eth0,bridge=${CT_BRIDGE},firewall=1,gw=${CT_GW},hwaddr=${CT_MAC},ip=${CT_IP},type=veth"
ROOTFS="local-lvm:vm-${CTID}-disk-0,size=24G"
# ── Template selection ────────────────────────────────────────────
echo ""
echo " ${CYAN}Available Debian templates:${NC}"
pveam available 2>/dev/null | grep debian-12 || echo " (none found locally, will attempt to download)"
TEMPLATE=$(pveam available 2>/dev/null | grep -m1 "debian-12.*amd64" | awk '{print $2}')
if [ -z "$TEMPLATE" ]; then
# Try to find any available Debian template
TEMPLATE=$(pveam available 2>/dev/null | grep -m1 "debian.*amd64" | awk '{print $2}')
fi
if [ -z "$TEMPLATE" ]; then
echo " ${YELLOW}!${NC} No Debian template found. Downloading debian-12-standard..."
pveam update 2>/dev/null || true
pveam download local debian-12-standard_12.7-1_amd64.tar.zst 2>/dev/null || true
TEMPLATE="local:vztmpl/debian-12-standard_12.7-1_amd64.tar.zst"
else
# Check if template is downloaded locally
TEMPLATE_NAME=$(basename "$TEMPLATE")
if [ ! -f "/var/lib/vz/template/cache/${TEMPLATE_NAME}" ]; then
echo " Downloading template: ${TEMPLATE_NAME}..."
pveam download local "$TEMPLATE_NAME" 2>/dev/null || {
echo " ${YELLOW}!${NC} Auto-download failed. Trying to continue anyway..."
}
fi
TEMPLATE="local:vztmpl/${TEMPLATE_NAME}"
fi
echo " Using template: ${TEMPLATE}"
# ── Create container ──────────────────────────────────────────────
echo ""
echo " Creating container ${CTID}..."
pct create "$CTID" "$TEMPLATE" \
--arch amd64 \
--cores 3 \
--hostname vm-bench \
--memory 6144 \
--net0 "$NET_CFG" \
--ostype debian \
--rootfs "$ROOTFS" \
--swap 2048 \
--unprivileged 0 \
--features nesting=1 \
--mp0 /mnt/converter,mp=/mnt/converter \
--onboot 1 \
--start 0
echo " ${GREEN}✓${NC} Container created."
# ── Write LXC config overrides ────────────────────────────────────
CONF_FILE="/etc/pve/lxc/${CTID}.conf"
echo ""
echo " Writing LXC config overrides..."
# Add lines only if not already present
add_conf_line() {
local key="$1"
local val="$2"
if ! grep -q "^${key}:" "$CONF_FILE" 2>/dev/null; then
echo "${key}: ${val}" >> "$CONF_FILE"
echo " + ${key}: ${val}"
fi
}
add_conf_line "lxc.cgroup2.devices.allow" "a"
add_conf_line "lxc.mount.auto" "proc:rw sys:rw cgroup:rw"
add_conf_line "lxc.apparmor.profile" "unconfined"
echo " ${GREEN}✓${NC} LXC config written."
# ── Start the container ───────────────────────────────────────────
echo ""
read -p " Start container now? [Y/n]: " START
if [ "$START" != "n" ] && [ "$START" != "N" ]; then
pct start "$CTID"
sleep 3
if pct status "$CTID" | grep -q running; then
echo " ${GREEN}✓${NC} Container ${CTID} is running."
echo ""
echo " ${CYAN}Next steps:${NC}"
echo " 1. Enter the container: pct enter ${CTID}"
echo " 2. Run the frontend installer:"
echo " bash /mnt/converter/frontend/install.sh"
echo ""
echo " 3. Open the web UI: http://${CT_IP%/*}:5000"
echo ""
else
echo " ${YELLOW}!${NC} Container may not have started. Check: pct status ${CTID}"
fi
fi
# ───────────────────────────────────────────────────────────────────
# Done
# ───────────────────────────────────────────────────────────────────
echo ""
echo "╔═════════════════════════════════════════════════════════╗"
echo "║ ${GREEN}Deployment complete.${NC} ║"
echo "║ ║"
echo "║ Backend: http://$(hostname -I | awk '{print $1}'):9000 ║"
echo "║ Frontend: http://${CT_IP%/*}:5000 ║"
echo "║ ║"
echo "║ Backend logs: journalctl -u ${SERVICE_NAME} -f ║"
echo "║ Container: pct enter ${CTID} ║"
echo "╚═════════════════════════════════════════════════════════╝"
echo ""
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