125 lines
3.4 KiB
Bash
125 lines
3.4 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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if [[ "${EUID}" -ne 0 ]]; then
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echo "Bitte als root ausfuehren: sudo ./install.sh"
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exit 1
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fi
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PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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APP_ROOT="/opt/serial-bridge"
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CONFIG_ROOT="/etc/serial-bridge"
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VENV_PY="${APP_ROOT}/.venv/bin/python"
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REQ_HASH_FILE="${APP_ROOT}/.requirements.sha256"
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NEEDS_APT=0
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NEEDS_VENV=0
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NEEDS_PIP=0
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REQUIRED_PACKAGES=(
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python3
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python3-venv
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python3-pip
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hostapd
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dnsmasq
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iw
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wpasupplicant
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iproute2
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rfkill
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i2c-tools
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)
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is_installed() {
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[[ -d "${APP_ROOT}/src" ]] && [[ -f "/etc/systemd/system/serial-bridge.service" ]]
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}
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all_packages_installed() {
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local pkg
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for pkg in "${REQUIRED_PACKAGES[@]}"; do
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if ! dpkg -s "${pkg}" >/dev/null 2>&1; then
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return 1
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fi
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done
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return 0
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}
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compute_req_hash() {
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sha256sum "${PROJECT_ROOT}/requirements.txt" | awk '{print $1}'
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}
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mode="install"
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if is_installed; then
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mode="update"
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fi
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echo "Modus: ${mode}"
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if ! all_packages_installed; then
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NEEDS_APT=1
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fi
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if [[ ! -x "${VENV_PY}" ]]; then
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NEEDS_VENV=1
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fi
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current_req_hash="$(compute_req_hash)"
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stored_req_hash=""
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if [[ -f "${REQ_HASH_FILE}" ]]; then
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stored_req_hash="$(cat "${REQ_HASH_FILE}" 2>/dev/null || true)"
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fi
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if [[ "${NEEDS_VENV}" -eq 1 ]] || [[ "${current_req_hash}" != "${stored_req_hash}" ]]; then
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NEEDS_PIP=1
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fi
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if [[ "${NEEDS_APT}" -eq 1 ]]; then
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echo "Installiere fehlende Systempakete..."
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apt-get update
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apt-get install -y "${REQUIRED_PACKAGES[@]}"
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else
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echo "Systempakete bereits vorhanden, ueberspringe apt."
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fi
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install -d -m 755 "${APP_ROOT}" "${APP_ROOT}/src" "${APP_ROOT}/templates" "${APP_ROOT}/static" "${CONFIG_ROOT}"
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cp -a "${PROJECT_ROOT}/src/." "${APP_ROOT}/src/"
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cp -a "${PROJECT_ROOT}/templates/." "${APP_ROOT}/templates/"
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cp -a "${PROJECT_ROOT}/static/." "${APP_ROOT}/static/"
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cp "${PROJECT_ROOT}/requirements.txt" "${APP_ROOT}/requirements.txt"
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if [[ "${NEEDS_VENV}" -eq 1 ]]; then
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echo "Erstelle Python venv..."
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python3 -m venv "${APP_ROOT}/.venv"
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fi
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if [[ "${NEEDS_PIP}" -eq 1 ]]; then
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echo "Aktualisiere Python-Abhaengigkeiten..."
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"${APP_ROOT}/.venv/bin/pip" install --upgrade pip
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"${APP_ROOT}/.venv/bin/pip" install -r "${APP_ROOT}/requirements.txt"
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echo "${current_req_hash}" > "${REQ_HASH_FILE}"
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else
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echo "requirements.txt unveraendert, ueberspringe pip install."
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fi
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install -m 644 "${PROJECT_ROOT}/config/hostapd.conf" "${CONFIG_ROOT}/hostapd.conf"
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install -m 644 "${PROJECT_ROOT}/config/dnsmasq.conf" "${CONFIG_ROOT}/dnsmasq.conf"
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install -m 644 "${PROJECT_ROOT}/systemd/serial-hostapd.service" "/etc/systemd/system/serial-hostapd.service"
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install -m 644 "${PROJECT_ROOT}/systemd/serial-dnsmasq.service" "/etc/systemd/system/serial-dnsmasq.service"
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install -m 644 "${PROJECT_ROOT}/systemd/serial-bridge.service" "/etc/systemd/system/serial-bridge.service"
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WPA_CONF="/etc/wpa_supplicant/wpa_supplicant.conf"
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touch "${WPA_CONF}"
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grep -q '^ctrl_interface=' "${WPA_CONF}" || echo 'ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev' >> "${WPA_CONF}"
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grep -q '^update_config=' "${WPA_CONF}" || echo 'update_config=1' >> "${WPA_CONF}"
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systemctl disable --now hostapd.service || true
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systemctl disable --now dnsmasq.service || true
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install -d -m 755 /home/pi
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chown pi:pi /home/pi || true
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systemctl daemon-reload
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systemctl enable serial-bridge.service
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systemctl restart serial-bridge.service
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echo "Fertig (${mode}). Logs: journalctl -u serial-bridge -f"
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