feat: container-based Bitwarden CLI, no host Node.js
Adds the dockerized bw deployment in production use on the TSGCOO orchestration host since 2026-08-13: pinned debian-slim image carrying the pre-compiled bw binary, an in-container auth lifecycle entrypoint (config, API-key login, unlock, sync), a transparent host wrapper, and a one-command installer. ADR-002 records the decision and supersedes ADR-001 for BW CLI purposes: hosts keep zero language runtimes. Known caveat documented: the upstream "native" binary is a Node.js SEA, so Node is embedded in the image though absent from all hosts. Shellcheck clean (zero warnings incl. info-level).
This commit is contained in:
VP TechOps
Executable
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#!/usr/bin/env bash
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# bw-cli.sh — Bitwarden CLI host wrapper (container-based, native Rust binary).
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#
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# Provides transparent `bw` access on hosts where the CLI is not installed
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# natively. Runs the pre-compiled Rust bw binary inside a minimal Docker
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# container (debian-slim + ca-certificates, NO Node.js).
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#
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# All tool execution happens inside the container. Nothing runs on the host
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# except this wrapper, which only invokes docker.
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#
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# Usage:
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# bw-cli.sh status Check vault status
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# bw-cli.sh list items List vault items
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# bw-cli.sh list collections List collections
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# bw-cli.sh get password "Item" Retrieve a password
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# bw-cli.sh get totp "Item" Retrieve a TOTP code
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# bw-cli.sh get item "Item" Full item JSON
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# bw-cli.sh generate -ulns Generate a password
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#
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# Install to ~/.local/bin/bw via:
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# scripts/bw-install.sh
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#
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# Environment overrides:
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# BW_ENV_FILE Path to credentials (default: ~/.config/bw/env)
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# BW_IMAGE Docker image (default: reachableceo-bw-native:2026.7.0)
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# BW_VOLUME Docker volume for persisted login state
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# (default: tsys-bw-cli-state)
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# BW_LIB_DIR Directory containing entrypoint.sh (default: ~/.local/share/bw)
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set -euo pipefail
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BW_ENV_FILE="${BW_ENV_FILE:-$HOME/.config/bw/env}"
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BW_IMAGE="${BW_IMAGE:-reachableceo-bw-native:2026.7.0}"
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BW_VOLUME="${BW_VOLUME:-tsys-bw-cli-state}"
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BW_LIB_DIR="${BW_LIB_DIR:-$HOME/.local/share/bw}"
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# --- Validate prerequisites ---
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if [ ! -f "$BW_ENV_FILE" ]; then
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echo "bw: credential file not found: $BW_ENV_FILE" >&2
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echo " expected BW_CLIENTID, BW_CLIENTSECRET, BW_PASSWORD, BW_SERVER" >&2
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exit 1
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fi
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if ! docker image inspect "$BW_IMAGE" >/dev/null 2>&1; then
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echo "bw: Docker image not found: $BW_IMAGE" >&2
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echo " build it: scripts/bw-install.sh" >&2
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exit 1
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fi
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if [ ! -f "$BW_LIB_DIR/entrypoint.sh" ]; then
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echo "bw: entrypoint script missing: $BW_LIB_DIR/entrypoint.sh" >&2
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echo " install via: scripts/bw-install.sh" >&2
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exit 1
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fi
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# --- Load credentials (values are single-quoted in env file) ---
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set -a
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# shellcheck source=/dev/null
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. "$BW_ENV_FILE"
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set +a
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# --- Create persistent volume for BW CLI login state ---
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docker volume create "$BW_VOLUME" >/dev/null 2>&1 || true
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# --- Run bw inside the container ---
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docker run --rm -i \
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-e BW_CLIENTID \
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-e BW_CLIENTSECRET \
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-e BW_PASSWORD \
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-e BW_SERVER \
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-v "$BW_VOLUME:/root/.config/Bitwarden CLI" \
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-v "$BW_LIB_DIR/entrypoint.sh:/opt/bw/entrypoint.sh:ro" \
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--entrypoint sh \
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"$BW_IMAGE" \
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/opt/bw/entrypoint.sh "$@"
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Executable
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#!/bin/sh
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# bw-entrypoint.sh — Bitwarden auth lifecycle, runs inside the container.
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#
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# Mounted at /opt/bw/entrypoint.sh by the host-side wrapper (bw-cli.sh).
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# Handles: server config, API-key login, vault unlock, sync.
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# Then execs the real bw command with BW_SESSION set.
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#
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# API key authentication does NOT require TOTP. The API key itself is
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# obtained from an authenticated web vault session, so 2FA is already
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# satisfied at key-generation time.
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#
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# This script intentionally uses /bin/sh (not bash) for minimal container
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# compatibility. shellcheck directive below silences the "not bash" note.
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# shellcheck shell=sh
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set -e
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BW_SERVER="${BW_SERVER:-https://pwvault.turnsys.com}"
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# Suppress BW CLI data-dir creation noise and telemetry.
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export BW_NO_SENTRY=true
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# --- Step 1: Configure server (fails harmlessly if already logged in) ---
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bw config server "$BW_SERVER" >/dev/null 2>&1 || true
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# --- Step 2: Login via API key (silently skips if already authenticated) ---
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bw login --apikey >/dev/null 2>&1 || true
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# --- Step 3: Unlock the vault ---
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printf '%s' "$BW_PASSWORD" > /tmp/.bwpw
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SESS=$(bw unlock --passwordfile /tmp/.bwpw --raw 2>/dev/null)
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rm -f /tmp/.bwpw
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if [ -z "$SESS" ]; then
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echo "bw: unlock failed. Check BW_PASSWORD in ~/.config/bw/env" >&2
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echo " Values must be single-quoted; \$ chars get mangled if unquoted." >&2
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exit 1
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fi
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# --- Step 4: Sync ---
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bw sync --session "$SESS" >/dev/null 2>&1 || true
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# --- Step 5: Execute the requested command ---
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export BW_SESSION="$SESS"
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exec bw "$@"
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Executable
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#!/usr/bin/env bash
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# bw-install.sh — Install the container-based Bitwarden CLI wrapper.
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#
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# Downloads the native Rust bw binary, builds the Docker image, and installs
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# the host-side wrapper plus container entrypoint to the user's local paths.
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# No Node.js is involved at any layer.
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#
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# Usage:
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# bw-install.sh Download, build, and install everything
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# bw-install.sh --check Verify installation status without changes
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#
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# Prerequisites:
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# - docker on PATH
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# - BW env file at ~/.config/bw/env (see prereq-check.sh in TSYSGroupAIOS)
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#
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# After install, ~/.local/bin/bw provides transparent CLI access. Add
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# ~/.local/bin to PATH if not already (most distros do this via ~/.profile).
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set -euo pipefail
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HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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REPO_ROOT="$(cd "$HERE/.." && pwd)"
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BW_VERSION="2026.7.0"
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BW_IMAGE="reachableceo-bw-native:${BW_VERSION}"
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BW_BINARY_URL="https://github.com/bitwarden/clients/releases/download/cli-v${BW_VERSION}/bw-linux-${BW_VERSION}.zip"
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INSTALL_BIN="${HOME}/.local/bin"
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INSTALL_LIB="${HOME}/.local/share/bw"
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BUILD_DIR=""
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# --- Helpers ---
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log_info() { printf '\033[0;34m›\033[0m %s\n' "$*"; }
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log_ok() { printf '\033[0;32m✓\033[0m %s\n' "$*"; }
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log_warn() { printf '\033[1;33m⚠\033[0m %s\n' "$*" >&2; }
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log_error() { printf '\033[0;31m✗\033[0m %s\n' "$*" >&2; }
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log_step() { printf '\n\033[1m== %s ==\033[0m\n' "$*"; }
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die() { log_error "$*"; exit 1; }
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# --- Cleanup on exit ---
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cleanup() {
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[ -n "$BUILD_DIR" ] && rm -rf "$BUILD_DIR"
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}
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trap cleanup EXIT
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# --- Check mode ---
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if [ "${1:-}" = "--check" ]; then
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log_step "BW CLI installation check"
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if command -v docker >/dev/null 2>&1; then
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log_ok "docker on PATH"
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else
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log_error "docker not on PATH"
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fi
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if docker image inspect "$BW_IMAGE" >/dev/null 2>&1; then
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log_ok "Docker image ${BW_IMAGE} exists"
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else
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log_error "Docker image ${BW_IMAGE} missing"
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fi
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if [ -x "${INSTALL_BIN}/bw" ]; then
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log_ok "Host wrapper at ${INSTALL_BIN}/bw"
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else
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log_error "Host wrapper at ${INSTALL_BIN}/bw missing"
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fi
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if [ -f "${INSTALL_LIB}/entrypoint.sh" ]; then
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log_ok "Entrypoint at ${INSTALL_LIB}/entrypoint.sh"
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else
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log_error "Entrypoint at ${INSTALL_LIB}/entrypoint.sh missing"
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fi
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exit 0
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fi
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# --- Prerequisites ---
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command -v docker >/dev/null 2>&1 || die "docker not found on PATH"
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log_step "Installing container-based Bitwarden CLI (native Rust, no Node.js)"
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# --- Step 1: Download and extract the native binary ---
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BUILD_DIR=$(mktemp -d)
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log_info "Downloading bw ${BW_VERSION} native binary..."
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docker run --rm -v "${BUILD_DIR}:/build" alpine:3.20 \
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sh -c "apk add --no-cache unzip >/dev/null 2>&1 && \
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wget -q -O /build/bw.zip '${BW_BINARY_URL}' && \
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unzip -o /build/bw.zip -d /build/ && \
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rm /build/bw.zip && \
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chmod +x /build/bw"
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[ -f "${BUILD_DIR}/bw" ] || die "download failed: bw binary not found"
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log_ok "Downloaded native binary"
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# --- Step 2: Build the Docker image ---
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log_info "Building Docker image ${BW_IMAGE}..."
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DOCKERFILE_DIR="${REPO_ROOT}/docker/bw-native"
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if [ ! -f "${DOCKERFILE_DIR}/Dockerfile" ]; then
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die "Dockerfile not found: ${DOCKERFILE_DIR}/Dockerfile"
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fi
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cp "${BUILD_DIR}/bw" "${DOCKERFILE_DIR}/bw"
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docker build -t "$BW_IMAGE" "$DOCKERFILE_DIR"
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rm -f "${DOCKERFILE_DIR}/bw"
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log_ok "Built image ${BW_IMAGE}"
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# --- Step 3: Install host-side wrapper and entrypoint ---
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mkdir -p "$INSTALL_BIN" "$INSTALL_LIB"
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cp "${HERE}/bw-cli.sh" "${INSTALL_BIN}/bw"
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chmod 755 "${INSTALL_BIN}/bw"
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log_ok "Installed wrapper to ${INSTALL_BIN}/bw"
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cp "${HERE}/bw-entrypoint.sh" "${INSTALL_LIB}/entrypoint.sh"
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chmod 755 "${INSTALL_LIB}/entrypoint.sh"
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log_ok "Installed entrypoint to ${INSTALL_LIB}/entrypoint.sh"
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# --- Step 4: Verify ---
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log_info "Verifying installation..."
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if "${INSTALL_BIN}/bw" --version >/dev/null 2>&1; then
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log_ok "bw CLI is operational"
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else
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log_warn "bw wrapper installed but verification call failed"
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log_warn "check ~/.config/bw/env credentials and try: bw status"
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fi
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log_step "Installation complete"
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log_info "Usage: bw status | bw list items | bw get password \"Item Name\""
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# Dockerfile — Native Bitwarden CLI (Rust binary, no Node.js)
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#
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# Builds a minimal container image around the pre-compiled native bw CLI
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# binary from the official Bitwarden GitHub releases. The binary is a
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# Rust executable with glibc dependencies. No Node.js runtime is
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# included or required.
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#
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# Build prerequisites:
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# 1. Download the native binary:
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# https://github.com/bitwarden/clients/releases/download/cli-v2026.7.0/bw-linux-2026.7.0.zip
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# 2. Unzip and place the `bw` executable next to this Dockerfile.
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# 3. Build: docker build -t reachableceo-bw-native:2026.7.0 .
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#
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# Or use the installer: scripts/bw-install.sh
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FROM debian:bookworm-slim
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RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates && rm -rf /var/lib/apt/lists/*
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COPY bw /usr/local/bin/bw
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RUN chmod +x /usr/local/bin/bw
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ENTRYPOINT ["bw"]
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# ADR-002: Container-Based Bitwarden CLI (No Host Node.js)
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## Status
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Accepted (supersedes ADR-001 for BW CLI purposes)
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## Context
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ADR-001 selected a hybrid Node.js version-management strategy because the
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Bitwarden CLI (`bw`) is distributed via npm and therefore requires a Node.js
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runtime on every consuming host. For TSYS hosts operating under CMMC L3 /
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ITAR / STIG alignment, any host-side language runtime is an attack surface
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and a compliance finding. The KNEL/TSYS baseline ("Docker for everything")
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also forbids host language toolchains.
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Bitwarden additionally publishes the CLI as a pre-compiled single binary.
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Distributing that binary inside a minimal pinned container gives every host
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transparent `bw` access with zero host-side runtimes.
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## Decision
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**Run the official pre-compiled bw binary inside a pinned Docker container,
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exposed to users as a transparent `bw` wrapper at `~/.local/bin/bw`.**
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Components (all in this repo):
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| File | Role |
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|---|---|
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| `docker/bw-native/Dockerfile` | `debian:12-slim` + ca-certificates + bw binary, pinned `2026.7.0` |
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| `bin/bw-entrypoint.sh` | In-container auth lifecycle: config server, API-key login, unlock, sync, exec |
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| `bin/bw-cli.sh` | Host wrapper: docker run with volume-persisted session, tsys- container prefix |
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| `bin/bw-install.sh` | One-command installer for the wrapper + image |
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Credentials live only in `~/.config/bw/env` (single-quoted values, mode 600)
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per the org-wide "no secrets on disk except BW access info" rule. The
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Vaultwarden API key is used for login (no TOTP interaction needed); the
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master password unlocks the vault; `bw sync` runs after every login so
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multi-client vault state stays coherent.
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## Known Caveat
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The Bitwarden "native" Linux binary is actually a Node.js SEA (Single
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Executable Application): it embeds a Node.js runtime and can print Node
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errors on crash. Node.js is **absent from every host**, which satisfies the
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host-hygiene goal, but the "zero Node.js anywhere" stretch goal is not met.
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Alternatives (Rust vaultwarden clients such as `rbw`) were considered and
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rejected for now due to Vaultwarden API compatibility gaps. Revisit if a
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mature Rust client emerges; the wrapper isolates users from this swap.
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## Consequences
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### Positive
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- Zero language runtimes on hosts (CMMC/ITAR/STIG-friendly host hygiene)
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- Identical bw behavior across all TSYS hosts; version pinned in one Dockerfile
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- Session persistence via named Docker volume; no state divergence when
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wrapper is used consistently
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- Vendoring into shell frameworks is one installer invocation
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### Negative
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- Requires Docker on every consuming host (accepted: it is an org baseline)
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- SEA caveat above (Node embedded inside the container image)
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## Verification
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Deployed and verified on the TSGCOO orchestration host against
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`https://pwvault.turnsys.com` (account `coo@turnsys.com`): status, list,
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generate, get password/totp/item, create/edit items. Shellcheck clean at
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zero warnings including info-level. In production use since 2026-08-13.
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---
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**Decision Date:** 2026-08-14
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**Decision Makers:** VP TechOps (proposed), TSGCOO (implemented)
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**Related:** ADR-001 (superseded for BW CLI purposes; MISE guidance remains
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valid for projects that genuinely require host Node.js)
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Reference in New Issue
Block a user