Add openchamber-boostrap.sh
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bzuccaro committed
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# openchamber-prereqs.sh — bootstrap a Linux host for opencode + openchamber
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#
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# Intent: run this once on a fresh Linux host, then connect from the
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# OpenChamber desktop app over SSH — the app spawns openchamber itself
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# and inherits the pinned environment. No UI password is used.
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#
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# Run as the user who will own the install. Idempotent: safe to re-run,
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# every step checks before acting. No root required.
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#
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# What it does:
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# 1. Installs bun (if missing)
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# 2. Creates the node -> bun shim (what makes `env node` work)
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# 3. Pins PATH + OPENCHAMBER_RELAY_URL into shell rc files so
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# non-interactive SSH sessions (OpenChamber's exec path) inherit them
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# 4. Installs opencode (if missing)
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# 5. Installs @openchamber/web globally via bun (if missing)
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# 6. Syncs ~/.config/opencode/opencode.json from CONFIG_URL
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# 7. Verifies: versions + relay health
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#
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# Flags: --relay-url wss://host/ws (override the default relay endpoint)
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# --invite [port] print an openchamber:// invite link (+QR)
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# for importing this host into the desktop
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# app; starts the instance on <port>
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# (default 3000) if none is running
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set -euo pipefail
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RELAY_URL="wss://code.zuccaro.me/ws"
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CONFIG_URL="https://git.zuccaro.me/bzuccaro/opencode-public/raw/branch/main/opencode.json"
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INVITE=0
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INVITE_PORT=3000
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while [ $# -gt 0 ]; do
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case "$1" in
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--relay-url) RELAY_URL="$2"; shift 2 ;;
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--invite)
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INVITE=1
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if [ $# -ge 2 ] && [ "${2#--}" = "$2" ]; then INVITE_PORT="$2"; shift; fi
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shift ;;
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*) echo "unknown arg: $1 (usage: $0 [--relay-url wss://host/ws] [--invite [port]])" >&2; exit 1 ;;
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esac
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done
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info() { printf '\033[1;34m[info]\033[0m %s\n' "$*"; }
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ok() { printf '\033[1;32m[ ok ]\033[0m %s\n' "$*"; }
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warn() { printf '\033[1;33m[warn]\033[0m %s\n' "$*"; }
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die() { printf '\033[1;31m[fail]\033[0m %s\n' "$*" >&2; exit 1; }
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info "host: $(uname -srm)"
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[ "$(uname -s)" = "Linux" ] || die "this script targets Linux hosts"
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# ---- preflight -------------------------------------------------------------
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for c in curl; do command -v "$c" >/dev/null || die "missing: $c (install it and re-run)"; done
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command -v unzip >/dev/null || warn "unzip not found — bun's installer needs it; install unzip first if step 1 fails"
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# ---- 1. bun ----------------------------------------------------------------
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if command -v bun >/dev/null 2>&1; then
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ok "bun already installed: $(bun --version)"
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else
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info "installing bun..."
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curl -fsSL https://bun.sh/install | bash
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fi
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export PATH="$HOME/.bun/bin:$PATH"
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command -v bun >/dev/null 2>&1 || die "bun not on PATH after install"
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# ---- 2. node shim ----------------------------------------------------------
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if [ -x "$HOME/.bun/bin/node" ]; then
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ok "node shim present"
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else
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ln -sf "$HOME/.bun/bin/bun" "$HOME/.bun/bin/node"
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ok "created node -> bun shim"
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fi
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# ---- 3. rc file pinning ----------------------------------------------------
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# .bashrc: prepend to the TOP so non-interactive ssh execs (which source
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# .bashrc but return early on Debian-style interactive guards) still get it.
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# zsh/profile files: only touched if they already exist.
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pin_top() { # pin_top <file> <line>
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local f="$1" line="$2"
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touch "$f"
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if grep -qF "$line" "$f"; then ok "$(basename "$f"): already pinned"; return 0; fi
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sed -i "1i $line" "$f"
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ok "$(basename "$f"): pinned at top"
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}
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pin_append() { # pin_append <file> <line>
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local f="$1" line="$2"
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[ -f "$f" ] || { info "$(basename "$f") does not exist, skipping"; return 0; }
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if grep -qF "$line" "$f"; then ok "$(basename "$f"): already pinned"; return 0; fi
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printf '%s\n' "$line" >> "$f"
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ok "$(basename "$f"): appended"
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}
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PATH_LINE='export PATH="$HOME/.bun/bin:$PATH"'
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RELAY_LINE="export OPENCHAMBER_RELAY_URL=\"$RELAY_URL\""
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if grep -q "OPENCHAMBER_RELAY_URL" ~/.bashrc 2>/dev/null; then
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info "relay var already pinned in .bashrc (respecting existing value)"
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else
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pin_top ~/.bashrc "$PATH_LINE"
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pin_top ~/.bashrc "$RELAY_LINE"
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fi
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pin_append ~/.zshenv "$PATH_LINE"
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pin_append ~/.zshenv "$RELAY_LINE"
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pin_append ~/.zshrc "$PATH_LINE"
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pin_append ~/.zshrc "$RELAY_LINE"
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pin_append ~/.profile "$PATH_LINE"
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pin_append ~/.profile "$RELAY_LINE"
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# ---- 4. opencode -----------------------------------------------------------
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if command -v opencode >/dev/null 2>&1 || [ -x "$HOME/.opencode/bin/opencode" ]; then
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ok "opencode already installed"
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else
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info "installing opencode..."
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curl -fsSL https://opencode.ai/install | bash
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fi
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[ -x "$HOME/.opencode/bin/opencode" ] && export PATH="$HOME/.opencode/bin:$PATH"
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# ---- 5. openchamber --------------------------------------------------------
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if bun pm ls -g 2>/dev/null | grep -q "@openchamber/web"; then
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ok "openchamber already installed: $(openchamber --version 2>/dev/null || echo '?')"
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else
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info "installing @openchamber/web globally..."
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bun install -g @openchamber/web
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fi
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# ---- 6. opencode config sync ------------------------------------------------
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CFG_DIR="$HOME/.config/opencode"
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CFG_FILE="$CFG_DIR/opencode.json"
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TMP_CFG="$(mktemp)"
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curl -fsSL --max-time 60 "$CONFIG_URL" -o "$TMP_CFG" || die "could not download config from $CONFIG_URL"
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if [ -f "$CFG_FILE" ] && cmp -s "$TMP_CFG" "$CFG_FILE"; then
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ok "opencode config already up to date"
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rm -f "$TMP_CFG"
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else
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mkdir -p "$CFG_DIR"
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if [ -f "$CFG_FILE" ]; then
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BAK="$CFG_FILE.bak.$(date +%Y%m%d-%H%M%S)"
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cp "$CFG_FILE" "$BAK"
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info "existing config backed up to $(basename "$BAK")"
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fi
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mv "$TMP_CFG" "$CFG_FILE"
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ok "opencode config installed from CONFIG_URL"
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fi
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if command -v python3 >/dev/null 2>&1; then
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python3 -m json.tool "$CFG_FILE" >/dev/null && ok "config is valid JSON"
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elif command -v bun >/dev/null 2>&1; then
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bun -e "JSON.parse(require('fs').readFileSync('$CFG_FILE','utf8'))" && ok "config is valid JSON"
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fi
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# ---- 7. verify --------------------------------------------------------------
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echo
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info "==== verification ===="
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echo "bun: $(bun --version 2>/dev/null || echo MISSING)"
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echo "node shim: $(env node -e 'console.log("exec-ok")' 2>/dev/null || echo BROKEN)"
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echo "opencode: $(opencode --version 2>/dev/null || echo MISSING)"
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echo "openchamber:$(openchamber --version 2>/dev/null || echo MISSING)"
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HEALTH_URL="$(printf '%s' "$RELAY_URL" | sed 's|^wss://|https://|; s|/ws$|/health|')"
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if curl -fsS --max-time 15 "$HEALTH_URL" >/dev/null 2>&1; then
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ok "relay reachable: $HEALTH_URL"
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else
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warn "relay health check failed: $HEALTH_URL (may not be deployed yet)"
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fi
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# ---- 8. invite link (optional) ----------------------------------------------
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if [ "$INVITE" = "1" ]; then
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info "generating invite link (relay transport embedded)..."
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if openchamber connect-url --relay -p "$INVITE_PORT" --qr; then
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ok "paste the openchamber:// link into OpenChamber: Settings > Remote Instances > add instance"
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else
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warn "invite link not generated - an instance may already be running on port $INVITE_PORT (openchamber stop -p $INVITE_PORT, then re-run with --invite)"
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fi
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fi
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echo
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ok "prerequisites complete"
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