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fix(doc): Update Prometheus Operator setup documentation #2795

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Dec 1, 2021
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fix(doc): Update Prometheus Operator setup documentation #2795

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13 changes: 8 additions & 5 deletions docs/modules/ROOT/pages/observability/monitoring.adoc
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The Camel K monitoring architecture relies on https://prometheus.io[Prometheus] and the eponymous operator.

The https://github.com/coreos/prometheus-operator[Prometheus Operator] serves to make running Prometheus on top of Kubernetes as easy as possible, while preserving Kubernetes-native configuration options.
The https://prometheus-operator.dev[Prometheus Operator] serves to make running Prometheus on top of Kubernetes as easy as possible, while preserving Kubernetes-native configuration options.

[[prerequisites]]
== Prerequisites

To take full advantage of the Camel K monitoring capabilities, it is recommended to have a Prometheus Operator instance, that can be configured to integrate Camel K integrations.
To take full advantage of the Camel K monitoring capabilities, it is recommended to have a Prometheus Operator instance, that can be configured to integrate the Camel K operator and integrations.

[[kubernetes]]
=== Kubernetes

You can deploy the Prometheus operator by running:
The easiest way of starting with the Prometheus Operator is by deploying it as part of https://github.com/prometheus-operator/kube-prometheus[kube-prometheus], which provisions an entire monitoring stack.
You can follow the https://prometheus-operator.dev/docs/prologue/quick-start/[quickstart] from the Prometheus Operator https://prometheus-operator.dev/[documentation].

Alternatively, you can quickly deploy the Prometheus operator by running:

[source,console]
----
$ kubectl apply -f https://raw.githubusercontent.com/coreos/prometheus-operator/v0.38.0/bundle.yaml
$ kubectl apply -f https://raw.githubusercontent.com/prometheus-operator/prometheus-operator/main/bundle.yaml
----

WARNING: Beware this installs the operator in the `default` namespace. You must download the file locally and replace the `namespace` fields to deploy the resources into another namespace.
WARNING: Beware this installs the operator in the `default` namespace. You must download the file locally and replace the `namespace` fields to deploy the resources into another namespace. This also installs the version from the `main` branch, which you can change in the URL by choosing a stable release version.

Then, you can create a `Prometheus` resource, that the operator will use as configuration to deploy a managed Prometheus instance:

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