Remade the client in go, now named monitor-agent. The agents now support http basic auth

2026-07-25 00:01:46 +03:00
parent c98081d360
commit 48bdab08b8
7 changed files with 578 additions and 1608 deletions
@@ -0,0 +1,103 @@
+#!/bin/bash
+
+# --- Configuration (Edit these before spreading) ---
+TARGET_SERVICE_UUID=""
+SERVER_URL="https://monitor.example.com"
+AUTH_USER="monitor_user"
+AUTH_PASS="monitor_user_pass"
+UPDATE_INTERVAL=10
+
+# --- Script Logic ---
+
+# 1. Ensure the script is run as root
+if [ "$EUID" -ne 0 ]; then
+  echo "Please run as root (use sudo)"
+  exit 1
+fi
+
+echo "Starting deployment of Monitoring Agent..."
+
+# 2. Install dependencies (libcap2-bin is needed for setcap)
+echo "Installing dependencies..."
+apt-get update -qq
+apt-get install -y libcap2-bin uuid-runtime -qq
+
+# 3. Create the system user if it doesn't exist
+if ! id "monitor-agent" &>/dev/null; then
+    echo "Creating monitor-agent system user..."
+    useradd -r -s /bin/false monitor-agent
+fi
+
+# 4. Create necessary directories
+echo "Creating directories..."
+mkdir -p /etc/monitor-agent
+mkdir -p /var/lib/monitor-agent
+chown -R monitor-agent:monitor-agent /var/lib/monitor-agent
+
+# 5. Install the binary
+if [ -f "./agent-go" ]; then
+    echo "Installing binary to /usr/local/bin..."
+    cp ./agent-go /usr/local/bin/monitor-agent
+    chmod +x /usr/local/bin/monitor-agent
+    # Grant ping capabilities without root
+    setcap cap_net_raw+ep /usr/local/bin/monitor-agent
+else
+    echo "Error: 'monitor-agent' binary not found in current directory!"
+    exit 1
+fi
+
+# 6. Generate a unique NODE_UUID for this specific server
+NEW_UUID=$(uuidgen)
+echo "Generated unique Node UUID: $NEW_UUID"
+
+# 7. Create the Environment File
+echo "Creating configuration file..."
+cat <<EOF > /etc/monitor-agent/agent.env
+NODE_UUID=$NEW_UUID
+TARGET_SERVICE_UUID=$TARGET_SERVICE_UUID
+SERVER_URL=$SERVER_URL
+BASIC_AUTH_USERNAME=$AUTH_USER
+BASIC_AUTH_PASSWORD=$AUTH_PASS
+UPDATE_INTERVAL_SECONDS=$UPDATE_INTERVAL
+PEERS_FILE=/var/lib/monitor-agent/known_peers.json
+EOF
+
+chmod 600 /etc/monitor-agent/agent.env
+chown monitor-agent:monitor-agent /etc/monitor-agent/agent.env
+
+# 8. Create the Systemd Service File
+echo "Creating systemd service..."
+cat <<EOF > /etc/systemd/system/monitor-agent.service
+[Unit]
+Description=Node Monitoring Agent
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=monitor-agent
+Group=monitor-agent
+WorkingDirectory=/var/lib/monitor-agent
+EnvironmentFile=/etc/monitor-agent/agent.env
+ExecStart=/usr/local/bin/monitor-agent
+CapabilityBoundingSet=CAP_NET_RAW
+AmbientCapabilities=CAP_NET_RAW
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# 9. Start the service
+echo "Reloading systemd and starting service..."
+systemctl daemon-reload
+systemctl enable monitor-agent
+systemctl restart monitor-agent
+
+echo "------------------------------------------------"
+echo "Deployment Complete!"
+echo "Node UUID: $NEW_UUID"
+echo "Check status with: systemctl status monitor-agent"
+echo "View logs with: journalctl -u monitor-agent -f"
+echo "------------------------------------------------"