mirror of
https://github.com/rcourtman/Pulse.git
synced 2026-02-18 23:41:48 +01:00
74663d8cf7
- Cleanup script now detects forced command restriction on standalone nodes - Logs helpful message explaining limitation (security by design) - Does not fail when standalone nodes cannot be cleaned up - Documents that standalone node cleanup is limited by forced command security - Automatic cleanup works fully for cluster nodes - Manual cleanup command provided for standalone nodes if needed
778 lines
26 KiB
Bash
Executable File
778 lines
26 KiB
Bash
Executable File
#!/bin/bash
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# install-sensor-proxy.sh - Installs pulse-sensor-proxy on Proxmox host for secure temperature monitoring
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# This script is idempotent and can be safely re-run
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set -euo pipefail
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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print_info() {
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if [ "$QUIET" != true ]; then
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echo -e "${GREEN}[INFO]${NC} $1"
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fi
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}
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print_warn() {
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echo -e "${YELLOW}[WARN]${NC} $1"
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}
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print_error() {
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echo -e "${RED}[ERROR]${NC} $1"
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}
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print_success() {
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echo -e "${GREEN}✓${NC} $1"
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}
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configure_local_authorized_key() {
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local auth_line=$1
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local auth_keys_file="/root/.ssh/authorized_keys"
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local tmp_auth
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tmp_auth=$(mktemp)
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mkdir -p /root/.ssh
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touch "$tmp_auth"
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if [[ -f "$auth_keys_file" ]]; then
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grep -vF '# pulse-managed-key' "$auth_keys_file" >"$tmp_auth" 2>/dev/null || true
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chmod --reference="$auth_keys_file" "$tmp_auth" 2>/dev/null || chmod 600 "$tmp_auth"
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chown --reference="$auth_keys_file" "$tmp_auth" 2>/dev/null || true
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else
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chmod 600 "$tmp_auth"
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fi
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echo "${auth_line}" >>"$tmp_auth"
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if mv "$tmp_auth" "$auth_keys_file"; then
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if [ "$QUIET" != true ]; then
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print_success "SSH key configured on localhost"
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fi
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else
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rm -f "$tmp_auth"
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print_warn "Failed to configure SSH key on localhost"
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print_info "Add this line manually to /root/.ssh/authorized_keys:"
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print_info " ${auth_line}"
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fi
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}
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# Check if running on Proxmox host
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if ! command -v pvecm >/dev/null 2>&1; then
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print_error "This script must be run on a Proxmox VE host"
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exit 1
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fi
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# Parse arguments
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CTID=""
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VERSION="latest"
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LOCAL_BINARY=""
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QUIET=false
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PULSE_SERVER=""
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FALLBACK_BASE="${PULSE_SENSOR_PROXY_FALLBACK_URL:-}"
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while [[ $# -gt 0 ]]; do
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case $1 in
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--ctid)
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CTID="$2"
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shift 2
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;;
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--version)
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VERSION="$2"
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shift 2
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;;
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--local-binary)
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LOCAL_BINARY="$2"
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shift 2
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;;
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--pulse-server)
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PULSE_SERVER="$2"
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shift 2
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;;
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--quiet)
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QUIET=true
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shift
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;;
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*)
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print_error "Unknown option: $1"
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exit 1
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;;
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esac
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done
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# If --pulse-server was provided, use it as the fallback base
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if [[ -n "$PULSE_SERVER" ]]; then
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FALLBACK_BASE="${PULSE_SERVER}/api/install/pulse-sensor-proxy"
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fi
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if [[ -z "$CTID" ]]; then
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print_error "Missing required argument: --ctid <container-id>"
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echo "Usage: $0 --ctid <container-id> [--pulse-server <url>] [--version <version>] [--local-binary <path>]"
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exit 1
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fi
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# Verify container exists
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if ! pct status "$CTID" >/dev/null 2>&1; then
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print_error "Container $CTID does not exist"
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exit 1
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fi
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print_info "Installing pulse-sensor-proxy for container $CTID"
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BINARY_PATH="/usr/local/bin/pulse-sensor-proxy"
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SERVICE_PATH="/etc/systemd/system/pulse-sensor-proxy.service"
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RUNTIME_DIR="/run/pulse-sensor-proxy"
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SOCKET_PATH="/run/pulse-sensor-proxy/pulse-sensor-proxy.sock"
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SSH_DIR="/var/lib/pulse-sensor-proxy/ssh"
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# Create dedicated service account if it doesn't exist
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if ! id -u pulse-sensor-proxy >/dev/null 2>&1; then
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print_info "Creating pulse-sensor-proxy service account..."
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useradd --system --user-group --no-create-home --shell /usr/sbin/nologin pulse-sensor-proxy
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print_info "Service account created"
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else
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print_info "Service account pulse-sensor-proxy already exists"
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fi
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# Add pulse-sensor-proxy user to www-data group for Proxmox IPC access (pvecm commands)
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if ! groups pulse-sensor-proxy | grep -q '\bwww-data\b'; then
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print_info "Adding pulse-sensor-proxy to www-data group for Proxmox IPC access..."
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usermod -aG www-data pulse-sensor-proxy
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fi
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# Install binary - either from local file or download from GitHub
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if [[ -n "$LOCAL_BINARY" ]]; then
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# Use local binary for testing
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print_info "Using local binary: $LOCAL_BINARY"
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if [[ ! -f "$LOCAL_BINARY" ]]; then
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print_error "Local binary not found: $LOCAL_BINARY"
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exit 1
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fi
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cp "$LOCAL_BINARY" "$BINARY_PATH"
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chmod +x "$BINARY_PATH"
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print_info "Binary installed to $BINARY_PATH"
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else
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# Detect architecture
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ARCH=$(uname -m)
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case $ARCH in
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x86_64)
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BINARY_NAME="pulse-sensor-proxy-linux-amd64"
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ARCH_LABEL="linux-amd64"
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;;
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aarch64|arm64)
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BINARY_NAME="pulse-sensor-proxy-linux-arm64"
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ARCH_LABEL="linux-arm64"
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;;
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armv7l|armhf)
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BINARY_NAME="pulse-sensor-proxy-linux-armv7"
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ARCH_LABEL="linux-armv7"
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;;
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*)
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print_error "Unsupported architecture: $ARCH"
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exit 1
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;;
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esac
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# If fallback URL is provided (e.g., from Pulse setup script), use it directly
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if [[ -n "$FALLBACK_BASE" ]]; then
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FALLBACK_URL="${FALLBACK_BASE%/}?arch=${ARCH_LABEL}"
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print_info "Downloading $BINARY_NAME from Pulse server..."
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if ! curl -fsSL "$FALLBACK_URL" -o "$BINARY_PATH.tmp"; then
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print_error "Failed to download proxy binary from $FALLBACK_URL"
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exit 1
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fi
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else
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# Fallback not provided, download from GitHub release
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GITHUB_REPO="rcourtman/Pulse"
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if [[ "$VERSION" == "latest" ]]; then
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RELEASE_URL="https://api.github.com/repos/$GITHUB_REPO/releases/latest"
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print_info "Fetching latest release info..."
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RELEASE_DATA=$(curl -fsSL "$RELEASE_URL")
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VERSION=$(echo "$RELEASE_DATA" | grep -o '"tag_name": "[^"]*"' | cut -d'"' -f4)
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if [[ -z "$VERSION" ]]; then
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print_error "Failed to determine latest version"
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exit 1
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fi
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print_info "Latest version: $VERSION"
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fi
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DOWNLOAD_URL="https://github.com/$GITHUB_REPO/releases/download/$VERSION/$BINARY_NAME"
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print_info "Downloading $BINARY_NAME from GitHub..."
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if ! curl -fsSL "$DOWNLOAD_URL" -o "$BINARY_PATH.tmp"; then
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print_error "Failed to download binary from $DOWNLOAD_URL"
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exit 1
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fi
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fi
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# Make executable and move to final location
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chmod +x "$BINARY_PATH.tmp"
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mv "$BINARY_PATH.tmp" "$BINARY_PATH"
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print_info "Binary installed to $BINARY_PATH"
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fi
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# Create directories with proper ownership (handles fresh installs and upgrades)
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print_info "Setting up directories with proper ownership..."
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install -d -o pulse-sensor-proxy -g pulse-sensor-proxy -m 0750 /var/lib/pulse-sensor-proxy
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install -d -o pulse-sensor-proxy -g pulse-sensor-proxy -m 0700 "$SSH_DIR"
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# Stop existing service if running (for upgrades)
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if systemctl is-active --quiet pulse-sensor-proxy 2>/dev/null; then
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print_info "Stopping existing service for upgrade..."
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systemctl stop pulse-sensor-proxy
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fi
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# Install hardened systemd service
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print_info "Installing hardened systemd service..."
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cat > "$SERVICE_PATH" << 'EOF'
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[Unit]
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Description=Pulse Temperature Proxy
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Documentation=https://github.com/rcourtman/Pulse
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After=network.target
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[Service]
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Type=simple
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User=pulse-sensor-proxy
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Group=pulse-sensor-proxy
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SupplementaryGroups=www-data
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WorkingDirectory=/var/lib/pulse-sensor-proxy
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ExecStart=/usr/local/bin/pulse-sensor-proxy
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Restart=on-failure
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RestartSec=5s
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# Runtime dirs/sockets
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RuntimeDirectory=pulse-sensor-proxy
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RuntimeDirectoryMode=0775
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RuntimeDirectoryPreserve=yes
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UMask=0007
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# Core hardening
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NoNewPrivileges=true
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ProtectSystem=strict
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ProtectHome=read-only
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ReadWritePaths=/var/lib/pulse-sensor-proxy
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ReadOnlyPaths=/run/pve-cluster /etc/pve
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ProtectKernelTunables=true
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ProtectKernelModules=true
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ProtectControlGroups=true
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ProtectClock=true
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PrivateTmp=true
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PrivateDevices=true
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ProtectProc=invisible
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ProcSubset=pid
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LockPersonality=true
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RemoveIPC=true
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RestrictSUIDSGID=true
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RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
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RestrictNamespaces=true
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SystemCallFilter=@system-service
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SystemCallErrorNumber=EPERM
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CapabilityBoundingSet=
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AmbientCapabilities=
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KeyringMode=private
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LimitNOFILE=1024
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# Logging
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StandardOutput=journal
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StandardError=journal
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SyslogIdentifier=pulse-sensor-proxy
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[Install]
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WantedBy=multi-user.target
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EOF
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# Reload systemd and start service
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print_info "Enabling and starting service..."
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systemctl daemon-reload
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systemctl enable pulse-sensor-proxy.service
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systemctl restart pulse-sensor-proxy.service
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# Wait for socket to appear
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print_info "Waiting for socket..."
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for i in {1..10}; do
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if [[ -S "$SOCKET_PATH" ]]; then
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break
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fi
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sleep 1
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done
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if [[ ! -S "$SOCKET_PATH" ]]; then
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print_error "Socket did not appear after 10 seconds"
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print_info "Check service status: systemctl status pulse-sensor-proxy"
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exit 1
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fi
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print_info "Socket ready at $SOCKET_PATH"
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# Install cleanup system for automatic SSH key removal when nodes are deleted
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print_info "Installing cleanup system..."
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# Install cleanup script
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CLEANUP_SCRIPT_PATH="/usr/local/bin/pulse-sensor-cleanup.sh"
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cat > "$CLEANUP_SCRIPT_PATH" << 'CLEANUP_EOF'
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#!/bin/bash
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# pulse-sensor-cleanup.sh - Removes Pulse SSH keys from Proxmox nodes when they're removed from Pulse
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# This script is triggered by systemd path unit when cleanup-request.json is created
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set -euo pipefail
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# Configuration
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WORK_DIR="/var/lib/pulse-sensor-proxy"
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CLEANUP_REQUEST="${WORK_DIR}/cleanup-request.json"
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LOG_TAG="pulse-sensor-cleanup"
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# Logging functions
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log_info() {
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logger -t "$LOG_TAG" -p user.info "$1"
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echo "[INFO] $1"
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}
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log_warn() {
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logger -t "$LOG_TAG" -p user.warning "$1"
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echo "[WARN] $1"
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}
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log_error() {
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logger -t "$LOG_TAG" -p user.err "$1"
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echo "[ERROR] $1" >&2
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}
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# Check if cleanup request file exists
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if [[ ! -f "$CLEANUP_REQUEST" ]]; then
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log_info "No cleanup request found at $CLEANUP_REQUEST"
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exit 0
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fi
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log_info "Processing cleanup request from $CLEANUP_REQUEST"
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# Read and parse the cleanup request
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CLEANUP_DATA=$(cat "$CLEANUP_REQUEST")
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HOST=$(echo "$CLEANUP_DATA" | grep -o '"host":"[^"]*"' | cut -d'"' -f4 || echo "")
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REQUESTED_AT=$(echo "$CLEANUP_DATA" | grep -o '"requestedAt":"[^"]*"' | cut -d'"' -f4 || echo "")
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log_info "Cleanup requested at: ${REQUESTED_AT:-unknown}"
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# Remove the cleanup request file immediately to prevent re-processing
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rm -f "$CLEANUP_REQUEST"
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# If no specific host was provided, clean up all known nodes
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if [[ -z "$HOST" ]]; then
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log_info "No specific host provided - cleaning up all cluster nodes"
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# Discover cluster nodes
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if command -v pvecm >/dev/null 2>&1; then
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CLUSTER_NODES=$(pvecm status 2>/dev/null | awk '/0x[0-9a-f]+.*[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/ {print $3}')
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if [[ -n "$CLUSTER_NODES" ]]; then
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for node_ip in $CLUSTER_NODES; do
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log_info "Cleaning up SSH keys on node $node_ip"
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# Remove both pulse-managed-key and pulse-proxy-key entries
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ssh -o StrictHostKeyChecking=no -o BatchMode=yes -o ConnectTimeout=5 root@"$node_ip" \
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"sed -i -e '/# pulse-managed-key\$/d' -e '/# pulse-proxy-key\$/d' /root/.ssh/authorized_keys" 2>&1 | \
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logger -t "$LOG_TAG" -p user.info || \
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log_warn "Failed to clean up SSH keys on $node_ip"
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done
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log_info "Cluster cleanup completed"
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else
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# Standalone node - clean up localhost
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log_info "Standalone node detected - cleaning up localhost"
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sed -i -e '/# pulse-managed-key$/d' -e '/# pulse-proxy-key$/d' /root/.ssh/authorized_keys 2>&1 | \
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logger -t "$LOG_TAG" -p user.info || \
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log_warn "Failed to clean up SSH keys on localhost"
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fi
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else
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log_warn "pvecm command not available - cleaning up localhost only"
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sed -i -e '/# pulse-managed-key$/d' -e '/# pulse-proxy-key$/d' /root/.ssh/authorized_keys 2>&1 | \
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logger -t "$LOG_TAG" -p user.info || \
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log_warn "Failed to clean up SSH keys on localhost"
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fi
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else
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log_info "Cleaning up specific host: $HOST"
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# Extract IP from host URL
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HOST_CLEAN=$(echo "$HOST" | sed -e 's|^https\?://||' -e 's|:.*$||')
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# Check if this is localhost
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LOCAL_IPS=$(hostname -I 2>/dev/null || echo "")
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IS_LOCAL=false
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for local_ip in $LOCAL_IPS; do
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if [[ "$HOST_CLEAN" == "$local_ip" ]]; then
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IS_LOCAL=true
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break
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fi
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done
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if [[ "$HOST_CLEAN" == "127.0.0.1" || "$HOST_CLEAN" == "localhost" ]]; then
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IS_LOCAL=true
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fi
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if [[ "$IS_LOCAL" == true ]]; then
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log_info "Cleaning up localhost SSH keys"
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sed -i -e '/# pulse-managed-key$/d' -e '/# pulse-proxy-key$/d' /root/.ssh/authorized_keys 2>&1 | \
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logger -t "$LOG_TAG" -p user.info || \
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log_warn "Failed to clean up SSH keys on localhost"
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else
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log_info "Cleaning up remote host: $HOST_CLEAN"
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# Try to use proxy's SSH key first (for standalone nodes), fall back to default
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PROXY_KEY="/var/lib/pulse-sensor-proxy/ssh/id_ed25519"
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SSH_CMD="ssh -o StrictHostKeyChecking=no -o BatchMode=yes -o ConnectTimeout=5"
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if [[ -f "$PROXY_KEY" ]]; then
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log_info "Using proxy SSH key for cleanup"
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SSH_CMD="$SSH_CMD -i $PROXY_KEY"
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fi
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# Remove both pulse-managed-key and pulse-proxy-key entries from remote host
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CLEANUP_OUTPUT=$($SSH_CMD root@"$HOST_CLEAN" \
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"sed -i -e '/# pulse-managed-key\$/d' -e '/# pulse-proxy-key\$/d' /root/.ssh/authorized_keys && echo 'SUCCESS'" 2>&1)
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if echo "$CLEANUP_OUTPUT" | grep -q "SUCCESS"; then
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log_info "Successfully cleaned up SSH keys on $HOST_CLEAN"
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else
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# Check if this is a standalone node with forced commands (common case)
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if echo "$CLEANUP_OUTPUT" | grep -q "cpu_thermal\|coretemp\|k10temp"; then
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log_warn "Cannot cleanup standalone node $HOST_CLEAN (forced command prevents cleanup)"
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log_info "Standalone node keys are read-only (sensors -j) - low security risk"
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log_info "Manual cleanup: ssh root@$HOST_CLEAN \"sed -i '/# pulse-proxy-key\$/d' /root/.ssh/authorized_keys\""
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else
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log_error "Failed to clean up SSH keys on $HOST_CLEAN: $CLEANUP_OUTPUT"
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exit 1
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fi
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fi
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fi
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fi
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log_info "Cleanup completed successfully"
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exit 0
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CLEANUP_EOF
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chmod +x "$CLEANUP_SCRIPT_PATH"
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print_info "Cleanup script installed"
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# Install systemd path unit
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CLEANUP_PATH_UNIT="/etc/systemd/system/pulse-sensor-cleanup.path"
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cat > "$CLEANUP_PATH_UNIT" << 'PATH_EOF'
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[Unit]
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Description=Watch for Pulse sensor cleanup requests
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Documentation=https://github.com/rcourtman/Pulse
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[Path]
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# Watch for the cleanup request file
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PathChanged=/var/lib/pulse-sensor-proxy/cleanup-request.json
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# Also watch for modifications
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PathModified=/var/lib/pulse-sensor-proxy/cleanup-request.json
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[Install]
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WantedBy=multi-user.target
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PATH_EOF
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# Install systemd service unit
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CLEANUP_SERVICE_UNIT="/etc/systemd/system/pulse-sensor-cleanup.service"
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cat > "$CLEANUP_SERVICE_UNIT" << 'SERVICE_EOF'
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[Unit]
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Description=Pulse Sensor Cleanup Service
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Documentation=https://github.com/rcourtman/Pulse
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After=network.target
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[Service]
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Type=oneshot
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ExecStart=/usr/local/bin/pulse-sensor-cleanup.sh
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User=root
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Group=root
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WorkingDirectory=/var/lib/pulse-sensor-proxy
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# Logging
|
|
StandardOutput=journal
|
|
StandardError=journal
|
|
SyslogIdentifier=pulse-sensor-cleanup
|
|
|
|
# Security hardening (less restrictive than the proxy since we need SSH access)
|
|
NoNewPrivileges=true
|
|
ProtectSystem=strict
|
|
ReadWritePaths=/var/lib/pulse-sensor-proxy /root/.ssh
|
|
ProtectKernelTunables=true
|
|
ProtectKernelModules=true
|
|
ProtectControlGroups=true
|
|
PrivateTmp=true
|
|
RestrictSUIDSGID=true
|
|
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
|
|
LimitNOFILE=1024
|
|
|
|
[Install]
|
|
# This service is triggered by the .path unit, no need to enable it directly
|
|
SERVICE_EOF
|
|
|
|
# Enable and start the path unit
|
|
systemctl daemon-reload
|
|
systemctl enable pulse-sensor-cleanup.path
|
|
systemctl start pulse-sensor-cleanup.path
|
|
|
|
print_info "Cleanup system installed and enabled"
|
|
|
|
# Configure SSH keys for cluster temperature monitoring
|
|
print_info "Configuring proxy SSH access to cluster nodes..."
|
|
|
|
# Wait for proxy to generate SSH keys
|
|
PROXY_KEY_FILE="$SSH_DIR/id_ed25519.pub"
|
|
for i in {1..10}; do
|
|
if [[ -f "$PROXY_KEY_FILE" ]]; then
|
|
break
|
|
fi
|
|
sleep 1
|
|
done
|
|
|
|
if [[ ! -f "$PROXY_KEY_FILE" ]]; then
|
|
print_error "Proxy SSH key not generated after 10 seconds"
|
|
print_info "Check service logs: journalctl -u pulse-sensor-proxy -n 50"
|
|
exit 1
|
|
fi
|
|
|
|
PROXY_PUBLIC_KEY=$(cat "$PROXY_KEY_FILE")
|
|
print_info "Proxy public key: ${PROXY_PUBLIC_KEY:0:50}..."
|
|
|
|
# Discover cluster nodes
|
|
if command -v pvecm >/dev/null 2>&1; then
|
|
# Extract node IPs from pvecm status
|
|
CLUSTER_NODES=$(pvecm status 2>/dev/null | awk '/0x[0-9a-f]+.*[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/ {print $3}')
|
|
|
|
if [[ -n "$CLUSTER_NODES" ]]; then
|
|
print_info "Discovered cluster nodes: $(echo $CLUSTER_NODES | tr '\n' ' ')"
|
|
|
|
# Configure SSH key with forced command restriction
|
|
FORCED_CMD='command="sensors -j",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty'
|
|
AUTH_LINE="${FORCED_CMD} ${PROXY_PUBLIC_KEY} # pulse-managed-key"
|
|
|
|
# Track SSH key push results
|
|
SSH_SUCCESS_COUNT=0
|
|
SSH_FAILURE_COUNT=0
|
|
declare -a SSH_FAILED_NODES=()
|
|
LOCAL_IPS=$(hostname -I 2>/dev/null || echo "")
|
|
LOCAL_HOSTNAMES="$(hostname 2>/dev/null || echo "") $(hostname -f 2>/dev/null || echo "")"
|
|
LOCAL_HANDLED=false
|
|
|
|
# Push key to each cluster node
|
|
for node_ip in $CLUSTER_NODES; do
|
|
print_info "Authorizing proxy key on node $node_ip..."
|
|
|
|
IS_LOCAL=false
|
|
# Check if node_ip matches any of the local IPs (exact match with word boundaries)
|
|
for local_ip in $LOCAL_IPS; do
|
|
if [[ "$node_ip" == "$local_ip" ]]; then
|
|
IS_LOCAL=true
|
|
break
|
|
fi
|
|
done
|
|
if [[ " $LOCAL_HOSTNAMES " == *" $node_ip "* ]]; then
|
|
IS_LOCAL=true
|
|
fi
|
|
if [[ "$node_ip" == "127.0.0.1" || "$node_ip" == "localhost" ]]; then
|
|
IS_LOCAL=true
|
|
fi
|
|
|
|
if [[ "$IS_LOCAL" = true ]]; then
|
|
configure_local_authorized_key "$AUTH_LINE"
|
|
LOCAL_HANDLED=true
|
|
((SSH_SUCCESS_COUNT+=1))
|
|
continue
|
|
fi
|
|
|
|
# Remove any existing proxy keys first
|
|
ssh -o StrictHostKeyChecking=no -o BatchMode=yes -o ConnectTimeout=5 root@"$node_ip" \
|
|
"sed -i '/# pulse-managed-key\$/d' /root/.ssh/authorized_keys" 2>/dev/null || true
|
|
|
|
# Add new key with forced command
|
|
SSH_ERROR=$(ssh -o StrictHostKeyChecking=no -o BatchMode=yes -o ConnectTimeout=5 root@"$node_ip" \
|
|
"echo '${AUTH_LINE}' >> /root/.ssh/authorized_keys" 2>&1)
|
|
if [[ $? -eq 0 ]]; then
|
|
print_success "SSH key configured on $node_ip"
|
|
((SSH_SUCCESS_COUNT+=1))
|
|
else
|
|
print_warn "Failed to configure SSH key on $node_ip"
|
|
((SSH_FAILURE_COUNT+=1))
|
|
SSH_FAILED_NODES+=("$node_ip")
|
|
# Log detailed error for debugging
|
|
if [[ -n "$SSH_ERROR" ]]; then
|
|
print_info " Error details: $(echo "$SSH_ERROR" | head -1)"
|
|
fi
|
|
fi
|
|
done
|
|
|
|
# Print summary
|
|
print_info ""
|
|
print_info "SSH key configuration summary:"
|
|
print_info " ✓ Success: $SSH_SUCCESS_COUNT node(s)"
|
|
if [[ $SSH_FAILURE_COUNT -gt 0 ]]; then
|
|
print_warn " ✗ Failed: $SSH_FAILURE_COUNT node(s) - ${SSH_FAILED_NODES[*]}"
|
|
print_info ""
|
|
print_info "To retry failed nodes, re-run this script or manually run:"
|
|
print_info " ssh root@<node> 'echo \"${AUTH_LINE}\" >> /root/.ssh/authorized_keys'"
|
|
fi
|
|
if [[ "$LOCAL_HANDLED" = false ]]; then
|
|
configure_local_authorized_key "$AUTH_LINE"
|
|
((SSH_SUCCESS_COUNT+=1))
|
|
fi
|
|
else
|
|
# No cluster found - configure standalone node
|
|
print_info "No cluster detected, configuring standalone node..."
|
|
|
|
# Configure SSH key with forced command restriction
|
|
FORCED_CMD='command="sensors -j",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty'
|
|
AUTH_LINE="${FORCED_CMD} ${PROXY_PUBLIC_KEY} # pulse-managed-key"
|
|
|
|
print_info "Authorizing proxy key on localhost..."
|
|
configure_local_authorized_key "$AUTH_LINE"
|
|
print_info ""
|
|
print_info "Standalone node configuration complete"
|
|
fi
|
|
else
|
|
# Proxmox host but pvecm not available (shouldn't happen, but handle it)
|
|
print_warn "pvecm command not available"
|
|
print_info "Configuring SSH key for localhost..."
|
|
|
|
# Configure localhost as fallback
|
|
FORCED_CMD='command="sensors -j",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty'
|
|
AUTH_LINE="${FORCED_CMD} ${PROXY_PUBLIC_KEY} # pulse-managed-key"
|
|
|
|
configure_local_authorized_key "$AUTH_LINE"
|
|
fi
|
|
|
|
# Ensure container mount via mp configuration
|
|
print_info "Ensuring container socket mount configuration..."
|
|
MOUNT_TARGET="/mnt/pulse-proxy"
|
|
LXC_CONFIG="/etc/pve/lxc/${CTID}.conf"
|
|
CONFIG_CONTENT=$(pct config "$CTID")
|
|
CURRENT_MP=$(pct config "$CTID" | awk -v target="$MOUNT_TARGET" '$1 ~ /^mp[0-9]+:$/ && index($0, "mp=" target) {split($1, arr, ":"); print arr[1]; exit}')
|
|
MOUNT_UPDATED=false
|
|
HOTPLUG_FAILED=false
|
|
CT_RUNNING=false
|
|
if pct status "$CTID" 2>/dev/null | grep -q "running"; then
|
|
CT_RUNNING=true
|
|
fi
|
|
|
|
if [[ -z "$CURRENT_MP" ]]; then
|
|
for idx in $(seq 0 9); do
|
|
if ! printf "%s\n" "$CONFIG_CONTENT" | grep -q "^mp${idx}:"; then
|
|
CURRENT_MP="mp${idx}"
|
|
break
|
|
fi
|
|
done
|
|
if [[ -z "$CURRENT_MP" ]]; then
|
|
print_error "Unable to find available mp slot for container mount"
|
|
exit 1
|
|
fi
|
|
print_info "Configuring container mount using $CURRENT_MP..."
|
|
if pct set "$CTID" -${CURRENT_MP} "/run/pulse-sensor-proxy,mp=${MOUNT_TARGET},replicate=0" 2>/dev/null; then
|
|
MOUNT_UPDATED=true
|
|
else
|
|
HOTPLUG_FAILED=true
|
|
fi
|
|
else
|
|
print_info "Container already has socket mount configured ($CURRENT_MP)"
|
|
if pct set "$CTID" -${CURRENT_MP} "/run/pulse-sensor-proxy,mp=${MOUNT_TARGET},replicate=0" 2>/dev/null; then
|
|
MOUNT_UPDATED=true
|
|
else
|
|
HOTPLUG_FAILED=true
|
|
fi
|
|
fi
|
|
|
|
if [[ "$HOTPLUG_FAILED" = true ]]; then
|
|
print_warn "Hot-plugging socket mount failed (container may be running). Updating config directly."
|
|
CURRENT_MP_LINE="${CURRENT_MP}: /run/pulse-sensor-proxy,mp=${MOUNT_TARGET},replicate=0"
|
|
if ! grep -q "^${CURRENT_MP}:" "$LXC_CONFIG" 2>/dev/null; then
|
|
echo "$CURRENT_MP_LINE" >> "$LXC_CONFIG"
|
|
else
|
|
sed -i "s#^${CURRENT_MP}:.*#${CURRENT_MP_LINE}#" "$LXC_CONFIG"
|
|
fi
|
|
MOUNT_UPDATED=true
|
|
fi
|
|
|
|
# Remove legacy lxc.mount.entry directives if present
|
|
if grep -q "lxc.mount.entry: /run/pulse-sensor-proxy" "$LXC_CONFIG"; then
|
|
print_info "Removing legacy lxc.mount.entry directives for pulse-sensor-proxy"
|
|
sed -i '/lxc\.mount\.entry: \/run\/pulse-sensor-proxy/d' "$LXC_CONFIG"
|
|
MOUNT_UPDATED=true
|
|
fi
|
|
|
|
# Restart container to apply mount if configuration changed or mount missing
|
|
if [[ "$MOUNT_UPDATED" = true ]]; then
|
|
if [[ "$CT_RUNNING" = true ]]; then
|
|
print_warn "Container $CTID is currently running. Restart it when convenient to activate the secure proxy mount."
|
|
else
|
|
print_info "Restarting container to apply socket mount..."
|
|
pct stop "$CTID" || true
|
|
sleep 2
|
|
pct start "$CTID"
|
|
sleep 5
|
|
fi
|
|
fi
|
|
|
|
# Verify socket directory and file inside container
|
|
if [[ "$HOTPLUG_FAILED" = true && "$CT_RUNNING" = true ]]; then
|
|
print_warn "Skipping socket verification until container $CTID is restarted."
|
|
else
|
|
print_info "Verifying socket accessibility..."
|
|
if pct exec "$CTID" -- test -S "${MOUNT_TARGET}/pulse-sensor-proxy.sock"; then
|
|
print_info "Socket is accessible in container at ${MOUNT_TARGET}/pulse-sensor-proxy.sock"
|
|
else
|
|
print_warn "Socket not visible at ${MOUNT_TARGET}/pulse-sensor-proxy.sock"
|
|
print_info "Check container configuration and restart if necessary"
|
|
fi
|
|
fi
|
|
|
|
# Configure Pulse backend environment override inside container
|
|
print_info "Configuring Pulse backend to use mounted proxy socket..."
|
|
pct exec "$CTID" -- bash -lc "mkdir -p /etc/systemd/system/pulse-backend.service.d"
|
|
pct exec "$CTID" -- bash -lc "cat <<'EOF' >/etc/systemd/system/pulse-backend.service.d/10-pulse-proxy.conf
|
|
[Service]
|
|
Environment=PULSE_SENSOR_PROXY_SOCKET=${MOUNT_TARGET}/pulse-sensor-proxy.sock
|
|
EOF"
|
|
pct exec "$CTID" -- systemctl daemon-reload || true
|
|
|
|
# Test proxy status
|
|
print_info "Testing proxy status..."
|
|
if systemctl is-active --quiet pulse-sensor-proxy; then
|
|
print_info "${GREEN}✓${NC} pulse-sensor-proxy is running"
|
|
else
|
|
print_error "pulse-sensor-proxy is not running"
|
|
print_info "Check logs: journalctl -u pulse-sensor-proxy -n 50"
|
|
exit 1
|
|
fi
|
|
|
|
# Check for and remove legacy SSH keys from container
|
|
print_info "Checking for legacy SSH keys in container..."
|
|
LEGACY_KEYS_FOUND=false
|
|
for key_type in id_rsa id_dsa id_ecdsa id_ed25519; do
|
|
if pct exec "$CTID" -- test -f "/root/.ssh/$key_type" 2>/dev/null; then
|
|
LEGACY_KEYS_FOUND=true
|
|
if [ "$QUIET" != true ]; then
|
|
print_warn "Found legacy SSH key: /root/.ssh/$key_type"
|
|
fi
|
|
pct exec "$CTID" -- rm -f "/root/.ssh/$key_type" "/root/.ssh/${key_type}.pub"
|
|
print_info " Removed /root/.ssh/$key_type"
|
|
fi
|
|
done
|
|
|
|
if [ "$LEGACY_KEYS_FOUND" = true ] && [ "$QUIET" != true ]; then
|
|
print_info ""
|
|
print_info "Legacy SSH keys removed from container for security"
|
|
print_info ""
|
|
fi
|
|
|
|
if [ "$QUIET" = true ]; then
|
|
print_success "pulse-sensor-proxy installed and running"
|
|
else
|
|
print_info "${GREEN}Installation complete!${NC}"
|
|
print_info ""
|
|
print_info "Temperature monitoring will use the secure host-side proxy"
|
|
print_info ""
|
|
print_info "To check proxy status:"
|
|
print_info " systemctl status pulse-sensor-proxy"
|
|
fi
|
|
|
|
exit 0
|