mirror of
https://github.com/fankes/beszel.git
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a288d0925b
- Add a `RestartSec` directive to the service configuration for both agent and hub scripts Signed-off-by: Spedon Wen <realsped0n@outlook.com>
297 lines
8.4 KiB
Bash
Executable File
297 lines
8.4 KiB
Bash
Executable File
#!/bin/sh
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version=0.0.1
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# Define default values
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PORT=45876
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UNINSTALL=false
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CHINA_MAINLAND=false
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GITHUB_URL="https://github.com"
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GITHUB_API_URL="https://api.github.com"
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KEY=""
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# Check for help flag first
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case "$1" in
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-h | --help)
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printf "Beszel Agent installation script\n\n"
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printf "Usage: ./install-agent.sh [options]\n\n"
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printf "Options: \n"
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printf " -k : SSH key (required, or interactive if not provided)\n"
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printf " -p : Port (default: $PORT)\n"
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printf " -u : Uninstall Beszel Agent\n"
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printf " --china-mirrors : Using GitHub mirror sources to resolve network timeout issues in mainland China\n"
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printf " -h, --help : Display this help message\n"
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exit 0
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;;
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esac
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# Build sudo args by properly quoting everything
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build_sudo_args() {
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QUOTED_ARGS=""
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while [ $# -gt 0 ]; do
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if [ -n "$QUOTED_ARGS" ]; then
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QUOTED_ARGS="$QUOTED_ARGS "
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fi
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QUOTED_ARGS="$QUOTED_ARGS'$(echo "$1" | sed "s/'/'\\\\''/g")'"
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shift
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done
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echo "$QUOTED_ARGS"
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}
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# Check if running as root and re-execute with sudo if needed
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if [ "$(id -u)" != "0" ]; then
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if command -v sudo >/dev/null 2>&1; then
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SUDO_ARGS=$(build_sudo_args "$@")
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eval "exec sudo $0 $SUDO_ARGS"
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else
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echo "This script must be run as root. Please either:"
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echo "1. Run this script as root (su root)"
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echo "2. Install sudo and run with sudo"
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exit 1
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fi
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fi
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# Parse arguments
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while [ $# -gt 0 ]; do
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case "$1" in
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-k)
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shift
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KEY="$1"
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;;
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-p)
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shift
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PORT="$1"
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;;
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-u)
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UNINSTALL=true
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;;
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--china-mirrors)
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CHINA_MAINLAND=true
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;;
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*)
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echo "Invalid option: $1" >&2
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exit 1
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;;
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esac
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shift
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done
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# Uninstall process
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if [ "$UNINSTALL" = true ]; then
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echo "Stopping and disabling the agent service..."
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systemctl stop beszel-agent.service
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systemctl disable beszel-agent.service
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echo "Removing the systemd service file..."
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rm /etc/systemd/system/beszel-agent.service
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# Remove the update timer and service if they exist
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echo "Removing the daily update service and timer..."
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systemctl stop beszel-agent-update.timer 2>/dev/null
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systemctl disable beszel-agent-update.timer 2>/dev/null
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rm -f /etc/systemd/system/beszel-agent-update.service
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rm -f /etc/systemd/system/beszel-agent-update.timer
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systemctl daemon-reload
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echo "Removing the Beszel Agent directory..."
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rm -rf /opt/beszel-agent
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echo "Removing the dedicated user for the agent service..."
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killall beszel-agent
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userdel beszel
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echo "Beszel Agent has been uninstalled successfully!"
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exit 0
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fi
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if [ "$CHINA_MAINLAND" = true ]; then
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printf "\nConfirmed to use GitHub mirrors (ghp.ci) for download beszel-agent?\nThis helps to install Agent properly in mainland China. (Y/n): "
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read USE_MIRROR
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USE_MIRROR=${USE_MIRROR:-Y}
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if [ "$USE_MIRROR" = "Y" ] || [ "$USE_MIRROR" = "y" ]; then
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GITHUB_URL="https://ghp.ci/https://github.com"
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# In China, only github.com is blocked, while api.github.com is not (for now).
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# GITHUB_API_URL="https://api.github.com"
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echo "Using GitHub Mirror for downloads..."
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else
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echo "GitHub mirrors will not be used for installation."
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fi
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fi
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# Function to check if a package is installed
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package_installed() {
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command -v "$1" >/dev/null 2>&1
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}
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# Check for package manager and install necessary packages if not installed
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if package_installed apt-get; then
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if ! package_installed tar || ! package_installed curl || ! package_installed sha256sum; then
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apt-get update
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apt-get install -y tar curl coreutils
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fi
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elif package_installed yum; then
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if ! package_installed tar || ! package_installed curl || ! package_installed sha256sum; then
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yum install -y tar curl coreutils
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fi
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elif package_installed pacman; then
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if ! package_installed tar || ! package_installed curl || ! package_installed sha256sum; then
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pacman -Sy --noconfirm tar curl coreutils
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fi
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else
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echo "Warning: Please ensure 'tar' and 'curl' and 'sha256sum (coreutils)' are installed."
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fi
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# If no SSH key is provided, ask for the SSH key interactively
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if [ -z "$KEY" ]; then
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printf "Enter your SSH key: "
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read KEY
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fi
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# Verify checksum
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if command -v sha256sum >/dev/null; then
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CHECK_CMD="sha256sum"
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elif command -v md5 >/dev/null; then
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CHECK_CMD="md5 -q"
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else
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echo "No MD5 checksum utility found"
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exit 1
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fi
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# Create a dedicated user for the service if it doesn't exist
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if ! id -u beszel >/dev/null 2>&1; then
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echo "Creating a dedicated user for the Beszel Agent service..."
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useradd -M -s /bin/false beszel
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fi
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# Add the user to the docker group to allow access to the Docker socket
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usermod -aG docker beszel
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# Create the directory for the Beszel Agent
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if [ ! -d "/opt/beszel-agent" ]; then
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echo "Creating the directory for the Beszel Agent..."
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mkdir -p /opt/beszel-agent
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chown beszel:beszel /opt/beszel-agent
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chmod 755 /opt/beszel-agent
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fi
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# Download and install the Beszel Agent
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echo "Downloading and installing the agent..."
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OS=$(uname -s | tr '[:upper:]' '[:lower:]')
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ARCH=$(uname -m | sed 's/x86_64/amd64/' | sed 's/armv7l/arm/' | sed 's/aarch64/arm64/')
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FILE_NAME="beszel-agent_${OS}_${ARCH}.tar.gz"
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LATEST_VERSION=$(curl -s "$GITHUB_API_URL""/repos/henrygd/beszel/releases/latest" | grep -o '"tag_name": "v[^"]*"' | cut -d'"' -f4 | tr -d 'v')
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if [ -z "$LATEST_VERSION" ]; then
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echo "Failed to get latest version"
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exit 1
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fi
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echo "Downloading and installing agent version ${LATEST_VERSION} from ${GITHUB_URL} ..."
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# Download checksums file
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TEMP_DIR=$(mktemp -d)
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cd "$TEMP_DIR" || exit 1
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CHECKSUM=$(curl -sL "$GITHUB_URL/henrygd/beszel/releases/download/v${LATEST_VERSION}/beszel_${LATEST_VERSION}_checksums.txt" | grep "$FILE_NAME" | cut -d' ' -f1)
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if [ -z "$CHECKSUM" ] || ! echo "$CHECKSUM" | grep -qE "^[a-fA-F0-9]{64}$"; then
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echo "Failed to get checksum or invalid checksum format"
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exit 1
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fi
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if ! curl -#L "$GITHUB_URL/henrygd/beszel/releases/download/v${LATEST_VERSION}/$FILE_NAME" -o "$FILE_NAME"; then
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echo "Failed to download the agent from ""$GITHUB_URL/henrygd/beszel/releases/download/v${LATEST_VERSION}/$FILE_NAME"
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rm -rf "$TEMP_DIR"
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exit 1
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fi
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if [ "$($CHECK_CMD "$FILE_NAME" | cut -d' ' -f1)" != "$CHECKSUM" ]; then
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echo "Checksum verification failed: $($CHECK_CMD "$FILE_NAME" | cut -d' ' -f1) & $CHECKSUM"
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rm -rf "$TEMP_DIR"
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exit 1
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fi
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if ! tar -xzf "$FILE_NAME" beszel-agent; then
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echo "Failed to extract the agent"
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rm -rf "$TEMP_DIR"
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exit 1
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fi
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mv beszel-agent /opt/beszel-agent/beszel-agent
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chown beszel:beszel /opt/beszel-agent/beszel-agent
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chmod 755 /opt/beszel-agent/beszel-agent
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# Cleanup
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rm -rf "$TEMP_DIR"
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# Create the systemd service
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echo "Creating the systemd service for the agent..."
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cat >/etc/systemd/system/beszel-agent.service <<EOF
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[Unit]
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Description=Beszel Agent Service
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After=network.target
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[Service]
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Environment="PORT=$PORT"
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Environment="KEY=$KEY"
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# Environment="EXTRA_FILESYSTEMS=sdb"
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ExecStart=/opt/beszel-agent/beszel-agent
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User=beszel
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Restart=always
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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EOF
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# Load and start the service
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printf "\nLoading and starting the agent service...\n"
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systemctl daemon-reload
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systemctl enable beszel-agent.service
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systemctl start beszel-agent.service
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# Prompt for auto-update setup
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printf "\nWould you like to enable automatic daily updates for beszel-agent? (y/n): "
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read AUTO_UPDATE
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case "$AUTO_UPDATE" in
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[Yy]*)
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echo "Setting up daily automatic updates for beszel-agent..."
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# Create systemd service for the daily update
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cat >/etc/systemd/system/beszel-agent-update.service <<EOF
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[Unit]
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Description=Update beszel-agent if needed
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Wants=beszel-agent.service
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[Service]
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Type=oneshot
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ExecStart=/bin/sh -c '/opt/beszel-agent/beszel-agent update | grep -q "Successfully updated" && systemctl restart beszel-agent'
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EOF
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# Create systemd timer for the daily update
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cat >/etc/systemd/system/beszel-agent-update.timer <<EOF
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[Unit]
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Description=Run beszel-agent update daily
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[Timer]
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OnCalendar=daily
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Persistent=true
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RandomizedDelaySec=4h
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[Install]
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WantedBy=timers.target
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EOF
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systemctl daemon-reload
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systemctl enable --now beszel-agent-update.timer
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printf "\nAutomatic daily updates have been enabled.\n"
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;;
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esac
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# Wait for the service to start or fail
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if [ "$(systemctl is-active beszel-agent.service)" != "active" ]; then
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echo "Error: The Beszel Agent service is not running."
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echo "$(systemctl status beszel-agent.service)"
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exit 1
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fi
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printf "\n\033[32mBeszel Agent has been installed successfully! It is now running on port $PORT.\033[0m\n"
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