The `Prometheus` custom resource definition (CRD) defines a desired [Prometheus](https://prometheus.io/docs/prometheus) setup to run in a Kubernetes cluster. It allows to specify many options such as the number of replicas, persistent storage, and Alertmanagers where firing alerts should be sent and many more.
For each `Prometheus` resource, the Operator deploys one or several `StatefulSet` objects in the same namespace. The number of StatefulSets is equal to the number of shards which is 1 by default.
The resource defines via label and namespace selectors which `ServiceMonitor`, `PodMonitor`, `Probe` and `PrometheusRule` objects should be associated to the deployed Prometheus instances.
The Operator continuously reconciles the scrape and rules configuration and a sidecar container running in the Prometheus pods triggers a reload of the configuration when needed.
Resource Structure
Interactive Tree
apiVersionstring
APIVersion defines the versioned schema of this representation of an object.
Servers should convert recognized schemas to the latest internal value, and
may reject unrecognized values.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources
kindstring
Kind is a string value representing the REST resource this object represents.
Servers may infer this from the endpoint the client submits requests to.
Cannot be updated.
In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
metadataobject
specobjectRequired
spec defines the specification of the desired behavior of the Prometheus cluster. More info:
https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
statusobject
status defines the most recent observed status of the Prometheus cluster. Read-only.
More info:
https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/api-conventions.md#spec-and-status