config: Add 20 files

graylog-client/install.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+source "${AGENT_PATH}/common.sh"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+_check_required_env_vars "CONTAINER_NAME" "GRAYLOG_HOST" "GRAYLOG_PORT"
+
+# Check Docker
+_check_docker_installed || _die "Docker test failed"
+
+# Test connectivity to Graylog server
+echo "Testing connectivity to Graylog at ${GRAYLOG_HOST}:${GRAYLOG_PORT}..."
+if command -v nc >/dev/null 2>&1; then
+    nc -zv -w3 "$GRAYLOG_HOST" "$GRAYLOG_PORT" 2>/dev/null || echo "WARNING: Cannot connect to Graylog server. Will retry when container starts."
+else
+    echo "Note: 'nc' not installed, skipping connectivity test"
+fi
+
+# Stop any existing container
+bash ./stop.sh 2>/dev/null || true
+
+# Generate configuration
+echo "Generating configuration..."
+HOSTNAME=$(hostname)
+export HOSTNAME CONFIG_PATH GRAYLOG_HOST GRAYLOG_PORT GRAYLOG_PROTOCOL
+bash "$SCRIPT_DIR/scripts/generate-config.sh" || _die "Failed to generate configuration"
+
+# Start the client
+echo "Starting Graylog Client..."
+cd "$SCRIPT_DIR" || _die "Failed to change to script directory"
+docker compose up -d || _die "Failed to start"
+
+echo ""
+echo "========================================="
+echo "Graylog Client Installed!"
+echo "========================================="
+echo ""
+echo "Shipping logs to: ${GRAYLOG_HOST}:${GRAYLOG_PORT} (${GRAYLOG_PROTOCOL:-udp})"
+echo "Hostname label: $(hostname)"
+echo ""
+echo "Collecting:"
+echo "  - All Docker container logs"
+echo "  - System logs (/var/log/syslog, /var/log/messages)"
+echo "  - Auth logs (/var/log/auth.log, /var/log/secure)"
+echo ""
+echo "IMPORTANT: Create a GELF input in Graylog:"
+echo "  System -> Inputs -> Select 'GELF UDP' or 'GELF TCP'"
+echo "  Set port to ${GRAYLOG_PORT}"
+echo "========================================="