fix: Support of all the envars of infra agent

Author: NSSPKrishna

internal/install/execution/recipe_var_provider.go

@@ -227,6 +227,56 @@ func varFromEnv() types.RecipeVars {
 		vars[EnvNriaPassthroughEnvironment] = yamlFromCommaDelimitedString(EnvNriaPassthroughEnvironment, passthroughEnvironment)
 	}
 
+	// Allow users to override hardcoded values in recipes
+	if val := os.Getenv("NRIA_ENABLE_PROCESS_METRICS"); val != "" {
+		vars["NRIA_ENABLE_PROCESS_METRICS"] = val
+	} else {
+		vars["NRIA_ENABLE_PROCESS_METRICS"] = "true" // Default value
+	}
+
+	if val := os.Getenv("NRIA_STATUS_SERVER_ENABLED"); val != "" {
+		vars["NRIA_STATUS_SERVER_ENABLED"] = val
+	} else {
+		vars["NRIA_STATUS_SERVER_ENABLED"] = "true" // Default value for guided install
+	}
+
+	if val := os.Getenv("NRIA_STATUS_SERVER_PORT"); val != "" {
+		vars["NRIA_STATUS_SERVER_PORT"] = val
+	} else {
+		vars["NRIA_STATUS_SERVER_PORT"] = "18003" // Default port
+	}
+
+	// Logging configuration
+	vars["NRIA_LOG_LEVEL"] = os.Getenv("NRIA_LOG_LEVEL")
+	vars["NRIA_LOG_FILE"] = os.Getenv("NRIA_LOG_FILE")
+	vars["NRIA_LOG_FORMAT"] = os.Getenv("NRIA_LOG_FORMAT")
+
+	// Hostname configuration
+	vars["NRIA_DISPLAY_NAME"] = os.Getenv("NRIA_DISPLAY_NAME")
+	vars["NRIA_OVERRIDE_HOSTNAME"] = os.Getenv("NRIA_OVERRIDE_HOSTNAME")
+	vars["NRIA_OVERRIDE_HOSTNAME_SHORT"] = os.Getenv("NRIA_OVERRIDE_HOSTNAME_SHORT")
+
+	// Installation paths
+	vars["NRIA_AGENT_DIR"] = os.Getenv("NRIA_AGENT_DIR")
+	vars["NRIA_PLUGIN_DIR"] = os.Getenv("NRIA_PLUGIN_DIR")
+
+	// Performance tuning - metrics sample rates
+	vars["NRIA_METRICS_PROCESS_SAMPLE_RATE"] = os.Getenv("NRIA_METRICS_PROCESS_SAMPLE_RATE")
+	vars["NRIA_METRICS_NETWORK_SAMPLE_RATE"] = os.Getenv("NRIA_METRICS_NETWORK_SAMPLE_RATE")
+	vars["NRIA_METRICS_STORAGE_SAMPLE_RATE"] = os.Getenv("NRIA_METRICS_STORAGE_SAMPLE_RATE")
+	vars["NRIA_METRICS_SYSTEM_SAMPLE_RATE"] = os.Getenv("NRIA_METRICS_SYSTEM_SAMPLE_RATE")
+	vars["NRIA_METRICS_NFS_SAMPLE_RATE"] = os.Getenv("NRIA_METRICS_NFS_SAMPLE_RATE")
+
+	// Proxy configuration (alternative to HTTPS_PROXY)
+	vars["NRIA_PROXY"] = os.Getenv("NRIA_PROXY")
+	vars["NRIA_IGNORE_SYSTEM_PROXY"] = os.Getenv("NRIA_IGNORE_SYSTEM_PROXY")
+
+	// Cloud metadata configuration
+	vars["NRIA_DISABLE_CLOUD_METADATA"] = os.Getenv("NRIA_DISABLE_CLOUD_METADATA")
+
+	// Process metrics filtering
+	vars["NRIA_DISABLE_ZERO_MEM_PROCESS_FILTER"] = os.Getenv("NRIA_DISABLE_ZERO_MEM_PROCESS_FILTER")
+
 	return vars
 }