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64 lines
4.5 KiB
64 lines
4.5 KiB
local kp =
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(import 'kube-prometheus/main.libsonnet') +
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// Uncomment the following imports to enable its patches
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// (import 'kube-prometheus/addons/anti-affinity.libsonnet') +
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// (import 'kube-prometheus/addons/managed-cluster.libsonnet') +
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// (import 'kube-prometheus/addons/node-ports.libsonnet') +
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// (import 'kube-prometheus/addons/static-etcd.libsonnet') +
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{
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values+:: {
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common+: {
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namespace: 'monitoring',
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},
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},
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prometheus+:: {
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prometheus+: {
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spec+: { // https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#prometheusspec
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// If a value isn't specified for 'retention', then by default the '--storage.tsdb.retention=24h' arg will be passed to prometheus by prometheus-operator.
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// The possible values for a prometheus <duration> are:
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// * https://github.com/prometheus/common/blob/c7de230/model/time.go#L178 specifies "^([0-9]+)(y|w|d|h|m|s|ms)$" (years weeks days hours minutes seconds milliseconds)
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retention: '30d',
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// Reference info: https://github.com/coreos/prometheus-operator/blob/master/Documentation/user-guides/storage.md
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// By default (if the following 'storage.volumeClaimTemplate' isn't created), prometheus will be created with an EmptyDir for the 'prometheus-k8s-db' volume (for the prom tsdb).
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// This 'storage.volumeClaimTemplate' causes the following to be automatically created (via dynamic provisioning) for each prometheus pod:
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// * PersistentVolumeClaim (and a corresponding PersistentVolume)
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// * the actual volume (per the StorageClassName specified below)
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storage: { // https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#storagespec
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volumeClaimTemplate: { // https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.11/#persistentvolumeclaim-v1-core (defines variable named 'spec' of type 'PersistentVolumeClaimSpec')
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apiVersion: 'v1',
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kind: 'PersistentVolumeClaim',
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spec: {
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accessModes: ['ReadWriteOnce'],
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// https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.11/#resourcerequirements-v1-core (defines 'requests'),
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// and https://kubernetes.io/docs/concepts/policy/resource-quotas/#storage-resource-quota (defines 'requests.storage')
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resources: { requests: { storage: '100Gi' } },
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// A StorageClass of the following name (which can be seen via `kubectl get storageclass` from a node in the given K8s cluster) must exist prior to kube-prometheus being deployed.
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storageClassName: 'ssd',
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// The following 'selector' is only needed if you're using manual storage provisioning (https://github.com/coreos/prometheus-operator/blob/master/Documentation/user-guides/storage.md#manual-storage-provisioning).
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// And note that this is not supported/allowed by AWS - uncommenting the following 'selector' line (when deploying kube-prometheus to a K8s cluster in AWS) will cause the pvc to be stuck in the Pending status and have the following error:
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// * 'Failed to provision volume with StorageClass "ssd": claim.Spec.Selector is not supported for dynamic provisioning on AWS'
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// selector: { matchLabels: {} },
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},
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},
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}, // storage
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}, // spec
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}, // prometheus
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}, // prometheus
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};
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{ ['setup/0namespace-' + name]: kp.kubePrometheus[name] for name in std.objectFields(kp.kubePrometheus) } +
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{
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['setup/prometheus-operator-' + name]: kp.prometheusOperator[name]
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for name in std.filter((function(name) name != 'serviceMonitor'), std.objectFields(kp.prometheusOperator))
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} +
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// serviceMonitor is separated so that it can be created after the CRDs are ready
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{ 'prometheus-operator-serviceMonitor': kp.prometheusOperator.serviceMonitor } +
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{ ['node-exporter-' + name]: kp.nodeExporter[name] for name in std.objectFields(kp.nodeExporter) } +
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{ ['kube-state-metrics-' + name]: kp.kubeStateMetrics[name] for name in std.objectFields(kp.kubeStateMetrics) } +
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{ ['alertmanager-' + name]: kp.alertmanager[name] for name in std.objectFields(kp.alertmanager) } +
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{ ['prometheus-' + name]: kp.prometheus[name] for name in std.objectFields(kp.prometheus) } +
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{ ['prometheus-adapter-' + name]: kp.prometheusAdapter[name] for name in std.objectFields(kp.prometheusAdapter) } +
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{ ['grafana-' + name]: kp.grafana[name] for name in std.objectFields(kp.grafana) }
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