Class PrometheusMetricsService

Configuration parameters

• dependencies:
  • endpoint: override for HTTP Endpoint dependency
  • prometheus-counters: override for PrometheusCounters dependency
• connection(s):
  • discovery_key: (optional) a key to retrieve the connection from IDiscovery
  • protocol: connection protocol: http or https
  • host: host name or IP address
  • port: port number
  • uri: resource URI or connection string with all parameters in it

References

• *:logger:*:*:1.0 (optional) ILogger components to pass log messages
• *:counters:*:*:1.0 (optional) ICounters components to pass collected measurements
• *:discovery:*:*:1.0 (optional) IDiscovery services to resolve connection
• *:endpoint:http:*:1.0 (optional) HttpEndpoint reference to expose REST operation
• *:counters:prometheus:*:1.0 PrometheusCounters reference to retrieve collected metrics

see

RestService

see

RestClient

Example

let service = new PrometheusMetricsService();
service.configure(ConfigParams.fromTuples(
    "connection.protocol", "http",
    "connection.host", "localhost",
    "connection.port", 8080
));

service.open("123", (err) => {
   console.log("The Prometheus metrics service is accessible at http://+:8080/metrics");
});