Line data    Source code

       1              : // Copyright The OpenTelemetry Authors
       2              : // SPDX-License-Identifier: Apache-2.0
       3              : 
       4              : import '../../../trace/export/otlp/certificate_utils.dart';
       5              : import '../metrics_sdk_config.dart';
       6              : 
       7              : /// Configuration for the OtlpGrpcMetricExporter.
       8              : class OtlpGrpcMetricExporterConfig {
       9              :   /// The OTLP endpoint to export to (e.g. http://localhost:4317).
      10              :   final String endpoint;
      11              : 
      12              :   /// Whether to use an insecure connection (HTTP instead of HTTPS).
      13              :   final bool insecure;
      14              : 
      15              :   /// The filter to apply to exemplars during export.
      16              :   /// Default: `MetricsExemplarFilter.traceBased`
      17              :   final MetricsExemplarFilter exemplarFilter;
      18              : 
      19              :   /// Headers to include in the OTLP request.
      20              :   final Map<String, String>? headers;
      21              : 
      22              :   /// Timeout for export operations in milliseconds.
      23              :   final int timeoutMillis;
      24              : 
      25              :   /// Path to the TLS certificate file for secure connections.
      26              :   final String? certificate;
      27              : 
      28              :   /// Path to the client key file for secure connections with client authentication.
      29              :   final String? clientKey;
      30              : 
      31              :   /// Path to the client certificate file for secure connections with client authentication.
      32              :   final String? clientCertificate;
      33              : 
      34              :   /// Whether to enable gRPC compression for requests.
      35              :   final bool compression;
      36              : 
      37              :   /// Creates a new configuration for the OtlpGrpcMetricExporter.
      38            6 :   OtlpGrpcMetricExporterConfig({
      39              :     required this.endpoint,
      40              :     this.insecure = false,
      41              :     this.headers,
      42              :     this.timeoutMillis = 10000,
      43              :     this.certificate,
      44              :     this.clientKey,
      45              :     this.clientCertificate,
      46              :     this.compression = false,
      47              :     this.exemplarFilter = MetricsExemplarFilter.traceBased,
      48              :   }) {
      49           24 :     _validateCertificates(certificate, clientKey, clientCertificate);
      50              :   }
      51              : 
      52            6 :   static void _validateCertificates(
      53              :     String? cert,
      54              :     String? key,
      55              :     String? clientCert,
      56              :   ) {
      57            6 :     CertificateUtils.validateCertificates(
      58              :       certificate: cert,
      59              :       clientKey: key,
      60              :       clientCertificate: clientCert,
      61              :     );
      62              :   }
      63              : }