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https://grafana.com/blog/2020/04/02/cortex-v1.0-released-the-highly-scalable-fast-prometheus-implementation-is-generally-available-for-production-use/prometheus uses header host with value = $host:$port ...
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https://github.com/prometheus/prometheus/issues/2226Prometheus Operator vs. kube-prometheus
The Prometheus Operator makes the Prometheus configuration Kubernetes native and manages and operates Prometheus and Alertmanager clusters. It is a piece of the puzzle regarding full end-to-end monitoring.
kube-prometheus combines the Prometheus Operator with a collection of manifests to help getting started with monitoring Kubernetes itself and applications running on top of it.
https://github.com/coreos/prometheus-operator/tree/master/contrib/kube-prometheus
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https://github.com/coreos/prometheus-operatortcp6 0 0 :::61678 :::* LISTEN 0 81586 32466/aws-k8s-agent
Tous les nodes exposent ça, c'est cool, ils auraient pu en parler dans la doc ;)
curl localhost:61678/metrics
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https://links.infomee.fr/?WwXrCQ"prometheus only pull"
On peut aussi faire du push de manière détournée
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https://github.com/prometheus/pushgateway/blob/master/README.md