Initial commit: Busbar Designer
Web tool for designing nickel/copper busbars over cylindrical-cell battery packs (21700, 18650) in hex holders. Flask + build123d backend exports STEP/DXF/SVG; vanilla JS frontend with live preview, multi-project SQLite persistence, snapshot history. Deploy scripts in deploy/ (proxmox-lxc.sh, install.sh, update.sh).
This commit is contained in:
wenil
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#!/usr/bin/env bash
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# install.sh — install Busbar Designer on Debian / Ubuntu.
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#
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# Runs inside an LXC, VM, or bare-metal host. Idempotent (safe to re-run).
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#
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# Required env:
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# REPO_URL Git URL of the busbar-designer repo
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# (e.g. https://gitea.local/me/busbar-designer.git)
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#
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# Optional env:
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# BRANCH git branch to track (default: main)
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# INSTALL_DIR install location (default: /opt/busbar-designer)
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# SVC_USER systemd service user (default: busbar)
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# PORT HTTP port (default: 5000)
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# GIT_SSL_NO_VERIFY=1 skip TLS verify for self-signed Gitea certs
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set -euo pipefail
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REPO_URL="${REPO_URL:-}"
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BRANCH="${BRANCH:-main}"
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INSTALL_DIR="${INSTALL_DIR:-/opt/busbar-designer}"
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SVC_USER="${SVC_USER:-busbar}"
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PORT="${PORT:-5000}"
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# ---- helpers ---------------------------------------------------------------
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GREEN='\033[0;32m'; YELLOW='\033[1;33m'; RED='\033[0;31m'; NC='\033[0m'
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log() { echo -e "${GREEN}▸${NC} $*"; }
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warn() { echo -e "${YELLOW}!${NC} $*"; }
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die() { echo -e "${RED}✗ $*${NC}" >&2; exit 1; }
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[[ $EUID -eq 0 ]] || die "Run as root (or via sudo)."
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[[ -n "$REPO_URL" ]] || die "REPO_URL is required (export REPO_URL=https://gitea.local/me/busbar-designer.git)"
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if [[ "${GIT_SSL_NO_VERIFY:-0}" == "1" ]]; then
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warn "GIT_SSL_NO_VERIFY=1 — skipping TLS verification for git."
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export GIT_SSL_NO_VERIFY=true
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fi
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# ---- system packages -------------------------------------------------------
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log "Installing system packages..."
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export DEBIAN_FRONTEND=noninteractive
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apt-get update -qq
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apt-get install -y -qq \
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git ca-certificates curl \
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python3 python3-venv python3-pip \
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libgl1 libglu1-mesa libxrender1 libxext6 libsm6 libgomp1
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# ---- service user ----------------------------------------------------------
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if ! id "$SVC_USER" >/dev/null 2>&1; then
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log "Creating service user '$SVC_USER'..."
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useradd --system --create-home --shell /usr/sbin/nologin "$SVC_USER"
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else
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log "Service user '$SVC_USER' already exists."
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fi
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# ---- source tree -----------------------------------------------------------
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mkdir -p "$(dirname "$INSTALL_DIR")"
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if [[ -d "$INSTALL_DIR/.git" ]]; then
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log "Updating existing checkout at $INSTALL_DIR..."
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chown -R "$SVC_USER:$SVC_USER" "$INSTALL_DIR"
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sudo -u "$SVC_USER" git -C "$INSTALL_DIR" remote set-url origin "$REPO_URL"
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sudo -u "$SVC_USER" git -C "$INSTALL_DIR" fetch --depth 1 origin "$BRANCH"
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sudo -u "$SVC_USER" git -C "$INSTALL_DIR" reset --hard "origin/$BRANCH"
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else
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log "Cloning $REPO_URL (branch $BRANCH) into $INSTALL_DIR..."
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rm -rf "$INSTALL_DIR"
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git clone --depth 1 --branch "$BRANCH" "$REPO_URL" "$INSTALL_DIR"
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chown -R "$SVC_USER:$SVC_USER" "$INSTALL_DIR"
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fi
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# ---- virtualenv + python deps ---------------------------------------------
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if [[ ! -x "$INSTALL_DIR/.venv/bin/python" ]]; then
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log "Creating Python venv..."
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sudo -u "$SVC_USER" python3 -m venv "$INSTALL_DIR/.venv"
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fi
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log "Installing Python dependencies (build123d pulls OpenCASCADE — may take a few minutes)..."
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sudo -u "$SVC_USER" "$INSTALL_DIR/.venv/bin/pip" install --quiet --upgrade pip
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sudo -u "$SVC_USER" "$INSTALL_DIR/.venv/bin/pip" install --quiet \
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-r "$INSTALL_DIR/requirements.txt" gunicorn
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# ---- data dir (for SQLite) -------------------------------------------------
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sudo -u "$SVC_USER" mkdir -p "$INSTALL_DIR/data"
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# ---- systemd unit ----------------------------------------------------------
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log "Installing systemd unit..."
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UNIT_SRC="$INSTALL_DIR/deploy/busbar-designer.service"
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UNIT_DST="/etc/systemd/system/busbar-designer.service"
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[[ -f "$UNIT_SRC" ]] || die "deploy/busbar-designer.service missing in the repo."
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# Substitute paths / user / port into the unit.
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sed -e "s|/opt/busbar-designer|$INSTALL_DIR|g" \
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-e "s|User=busbar|User=$SVC_USER|g" \
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-e "s|Group=busbar|Group=$SVC_USER|g" \
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-e "s|--bind=0.0.0.0:5000|--bind=0.0.0.0:$PORT|g" \
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-e "s|Environment=PORT=5000|Environment=PORT=$PORT|g" \
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"$UNIT_SRC" > "$UNIT_DST"
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systemctl daemon-reload
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systemctl enable --now busbar-designer
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sleep 2
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if ! systemctl is-active --quiet busbar-designer; then
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warn "Service is not active. Last 30 log lines:"
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journalctl -u busbar-designer -n 30 --no-pager
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die "Service failed to start."
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fi
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IP_ADDR=$(hostname -I 2>/dev/null | awk '{print $1}')
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[[ -n "$IP_ADDR" ]] || IP_ADDR="$(hostname)"
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echo
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log "================================================================"
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log " ✓ Busbar Designer installed."
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log ""
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log " URL: http://$IP_ADDR:$PORT"
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log " Logs: journalctl -u busbar-designer -f"
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log " Update: sudo bash $INSTALL_DIR/deploy/update.sh"
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log " Backup: cp $INSTALL_DIR/data/busbar.db ..."
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log "================================================================"
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