version_exporter
Exports versions of Github projects as prometheus metrics, with contraint version, from a config file, and latest version, fetched from Github, as labels.
Running
version_exporter --bind ":9333"Or with docker:
docker run -p 127.0.0.1:9333:9333 -v $PWD/config.yaml:/config.yaml caarlos0/version_exporterOr with docker-compose:
version: '3'
services:
releases:
image: caarlos0/gversion_exporter:v1
restart: always
volumes:
- /path/to/config.yml:/etc/config.yml
command:
- '--config.file=/etc/config.yml'
ports:
- 127.0.0.1:9333:9333
env_file:
- .envYou can personalize the config.yaml file like following:
repositories:
# repository: semver constraint (check https://github.com/masterminds/semver#working-with-pre-release-versions)
prometheus/alertmanager: ~v0.14.0
prometheus/prometheus: ^2.1.0
caarlos0/version_exporter: 0.0.5You can reload the config file by sending a
SIGHUPto version_exporter process.
On the prometheus settings, add the version_exporter job:
scrape_configs:
- job_name: version
static_configs:
- targets: [ 'version_exporter:9333' ]Alerting rules example:
groups:
- name: versions
rules:
- alert: SoftwareOutOfDate
expr: version_up_to_date == 0
for: 1s
labels:
severity: warning
annotations:
summary: "{{$labels.repository}}: out of date"
description: "latest version {{ $labels.latest }} is not within constraint {{ $labels.constraint }}"Building locally
Install the needed tooling and libs:
make setupRun with:
go run main.goRun tests with:
make test