Functioning mqtt ingestion and db write, formating changes, device manager initiated

services/device_manager/generate_ca.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+# Script to generate a Certificate Authority (CA) for IoT devices
+CERT_DIR="certs"
+CA_KEY="$CERT_DIR/ca.key"
+CA_CERT="$CERT_DIR/ca.crt"
+
+# Create certs directory
+mkdir -p "$CERT_DIR"
+
+echo "Generating CA Certificate Authority..."
+
+# Generate CA private key (4096-bit RSA)
+openssl genrsa -out "$CA_KEY" 4096
+echo "Generated CA private key: $CA_KEY"
+
+# Generate CA certificate (valid for 10 years)
+openssl req -new -x509 -days 3650 -key "$CA_KEY" -out "$CA_CERT" \
+    -subj "/C=US/ST=State/L=City/O=IoTDashboard/OU=DeviceManager/CN=IoT Device CA"
+echo "Generated CA certificate: $CA_CERT"
+
+# Set secure permissions
+chmod 600 "$CA_KEY"
+chmod 644 "$CA_CERT"
+
+echo ""
+echo "CA Certificate Authority created successfully!"
+echo ""
+echo "CA Certificate Details:"
+openssl x509 -in "$CA_CERT" -noout -text | grep -A 2 "Subject:"
+echo ""
+echo "Valid from:"
+openssl x509 -in "$CA_CERT" -noout -startdate
+echo "Valid until:"
+openssl x509 -in "$CA_CERT" -noout -enddate