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Springboot2beat is a Metricbeat that leverages the micrometer.io application metrics facade via web, which is an instrumentation framework integrated in the Spring Boot framework starting with version 2.

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Springboot2beat

Welcome to Springboot2beat.

Springboot2beat is a Metricbeat that leverages the micrometer.io application metrics facade via web, which is an instrumentation framework integrated in the Spring Boot framework starting with version 2. All by the endpoint exposed metrics are ingested.

Getting Started with Springboot2beat

Requirements

In order to allow access to Spring's metrics actuator endpoint, you need to add the following dependency:

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>

The web app's application config src/main/resources/application.yaml must be adapted to expose the metrics endpoint. Please refer to the Exposing Endpoints of the Spring Boot documentation to see which actuator endpoints are enabled for web access by default, in case you are depending on default functionality.

management:
    endpoints:
        web.exposure.include: metrics
    server:
        port: 9001
        address: 127.0.0.1

A security based suggestion would be change the management port and accessible hosts to ensure the actuator endpoints are not accessible to the public, documentation.

In order to view all available metrics:

curl -XGET http://HOST:PORT/actuator/metrics

Config

In the springboot2beat.yml file you need to set the host name of the "to be watched" Spring Boot 2 web app. Furthermore, is this the place where you define the ingestion service, may that be logstash or elasticsearch.

Run

To run Springboot2beat:

./springboot2beat -c springboot2beat.yml -e

Example Document

{
        "_index": "springboot2beat-7.0.0-alpha1-2018.08.14",
        "_type": "doc",
        "_id": "T9MUOmUB2ZEe1SMHweUN",
        "_score": null,
        "_source": {
          "@timestamp": "2018-08-14T20:16:02.339Z",
          "tomcat_global_received_count": 0,
          "tomcat_global_request_max_value": 0.3569999933242798,
          "tomcat_sessions_active_current_value": 0,
          "tomcat_sessions_active_max_value": 0,
          "tomcat_sessions_expired_count": 0,
          "tomcat_sessions_alive_max_value": 0,
          "jvm_memory_committed_value": 854982656,
          "jvm_gc_pause_max": 0,
          "jvm_gc_pause_count": 4,
          "jvm_memory_used_value": 429412576,
          "tomcat_global_request_count": 106,
          "host": {
            "name": "webapp003.my.network.example.com"
          },
          "jvm_threads_peak_value": 64,
          "jvm_memory_max_value": 4518313984,
          "http_server_requests_total_time": 0.7595910429954529,
          "system_cpu_usage_value": 0.10866666585206985,
          "jvm_gc_memory_promoted_count": 13190224,
          "type": "Philips-iMac.home",
          "http_server_requests_max": 0.011510051786899567,
          "tomcat_sessions_rejected_count": 0,
          "beat": {
            "name": "webapp003",
            "hostname": "webapp003.my.network.example.com",
            "version": "7.0.0-alpha1"
          },
          "tomcat_global_error_count": 84,
          "http_server_requests_count": 106,
          "jvm_buffer_count_value": 101,
          "jvm_buffer_memory_used_value": 843776,
          "system_load_average_1m_value": 2.9775390625,
          "jvm_gc_memory_allocated_count": 776123776,
          "jvm_gc_max_data_size_value": 2147483648,
          "tomcat_global_request_total_time": 0.9649999737739563,
          "jvm_buffer_total_capacity_value": 835584,
          "jvm_threads_daemon_value": 54,
          "jvm_gc_pause_total_time": 0.652999997138977,
          "jvm_threads_live_value": 61,
          "tomcat_sessions_created_count": 0
        }
      }

TODO's

  • Option to add a list of metrics endpoints that can be excluded
  • Tests
  • leverage micrometer's Percentiles, Histogram and SLA feature, if possible
  • create Kibana dashboards

Developer Reference

Please refer to the developers guide using this link here.

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Springboot2beat is a Metricbeat that leverages the micrometer.io application metrics facade via web, which is an instrumentation framework integrated in the Spring Boot framework starting with version 2.

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