Prometheusbeat

Prometheusbeat is an elastic beat that can receive Prometheus metrics via the remote write feature.

Example Prometheusbeat configuration:

prometheusbeat:
  listen: ":8080"
  context: "/prometheus"

[...]

Example Prometheus configuration:

[...]

remote_write:
  url: "http://localhost:8080/prometheus"

[...]

Example Prometheusbeat event:

{
  "@timestamp": "2019-08-26T11:34:04.253Z",
  "@metadata": {
    "beat": "prometheusbeat",
    "type": "_doc",
    "version": "7.3.1"
  },
  "labels": {
    "instance": "localhost:9090",
    "job": "prometheus"
  },
  "ecs": {
    "version": "1.0.1"
  },
  "host": {
    "containerized": false,
    "hostname": "test",
    "architecture": "x86_64",
    "os": {
      "kernel": "4.14.14-1.el7.elrepo.x86_64",
      "codename": "Core",
      "platform": "centos",
      "version": "7 (Core)",
      "family": "redhat",
      "name": "CentOS Linux"
    },
    "id": "338bc9f83bf343dfa1983fc2bc43bd0f",
    "name": "test"
  },
  "agent": {
    "version": "7.3.1",
    "type": "prometheusbeat",
    "ephemeral_id": "51cadc55-5746-4ad2-a278-b0dcac12942b",
    "hostname": "test",
    "id": "f9c5188e-a1ea-4fbb-adf6-8494f56c59bf"
  },
  "name": "scrape_series_added",
  "value": 349
}

Getting Started with Prometheusbeat

Requirements

• Golang 1.7

Init Project

To get running with Prometheusbeat and also install the dependencies, run the following command:

make setup

It will create a clean git history for each major step. Note that you can always rewrite the history if you wish before pushing your changes.

To push Prometheusbeat in the git repository, run the following commands:

git remote set-url origin https://github.com/infonova/prometheusbeat
git push origin master

For further development, check out the beat developer guide.

Build

To build the binary for Prometheusbeat run the command below. This will generate a binary in the same directory with the name prometheusbeat.

mage build

Run

To run Prometheusbeat with debugging output enabled, run:

./prometheusbeat -c prometheusbeat.yml -e -d "*"

Test

To test Prometheusbeat, run the following command:

make testsuite

alternatively:

make unit-tests
make system-tests
make integration-tests
make coverage-report

The test coverage is reported in the folder ./build/coverage/

Update

Each beat has a template for the mapping in elasticsearch and a documentation for the fields which is automatically generated based on etc/fields.yml. To generate etc/prometheusbeat.template.json and etc/prometheusbeat.asciidoc

make update

Cleanup

To clean Prometheusbeat source code, run the following command:

make fmt

To clean up the build directory and generated artifacts, run:

make clean

Clone

To clone Prometheusbeat from the git repository, run the following commands:

mkdir -p ${GOPATH}/github.com/infonova
cd ${GOPATH}/github.com/infonova
git clone https://github.com/infonova/prometheusbeat

For further development, check out the beat developer guide.

Packaging

The beat frameworks provides tools to crosscompile and package your beat for different platforms. This requires docker and vendoring as described above. To build packages of your beat, run the following command:

make release

This will fetch and create all images required for the build process. The whole process to finish can take several minutes.

Building Docker Image

Prometheusbeat Docker image can be customized and build to run on any environments

docker build . -t infonova/prometheusbeat:latest

Running Docker Image

Prometheusbeat Docker image can be run using below command

docker run -d  --name prometheusbeat -p <<dockerhost-port>>:8080 -v <<host-config-path>>:/prometheusbeat.yml infonova/prometheusbeat:latest