/
podmonitors.go
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/
podmonitors.go
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// Copyright 2024 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package seed
import (
monitoringv1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// CentralPodMonitors returns the central PodMonitor resources for the seed prometheus.
func CentralPodMonitors() []*monitoringv1.PodMonitor {
return []*monitoringv1.PodMonitor{
{
ObjectMeta: metav1.ObjectMeta{
Name: "extensions",
},
Spec: monitoringv1.PodMonitorSpec{
// Selector: metav1.LabelSelector{MatchExpressions: []metav1.LabelSelectorRequirement{
// {Key: "prometheus.io/scrape", Values: []string{"true"}, Operator: metav1.LabelSelectorOpIn},
// {Key: "prometheus.io/port", Operator: metav1.LabelSelectorOpExists},
// }},
NamespaceSelector: monitoringv1.NamespaceSelector{Any: true},
PodMetricsEndpoints: []monitoringv1.PodMetricsEndpoint{{
RelabelConfigs: []*monitoringv1.RelabelConfig{
// TODO: These annotations should actually be labels so that PodMonitorSpec.Selector can be used
// instead of manually crafting this relabel config.
{
SourceLabels: []monitoringv1.LabelName{
"__meta_kubernetes_namespace",
"__meta_kubernetes_pod_annotation_prometheus_io_scrape",
"__meta_kubernetes_pod_annotation_prometheus_io_port",
},
Regex: `extension-(.+);true;(.+)`,
Action: "keep",
},
{
SourceLabels: []monitoringv1.LabelName{"__meta_kubernetes_pod_annotation_prometheus_io_name"},
Regex: `(.+)`,
Action: "replace",
TargetLabel: "job",
},
{
SourceLabels: []monitoringv1.LabelName{"__address__", "__meta_kubernetes_pod_annotation_prometheus_io_port"},
Regex: `([^:]+)(?::\d+)?;(\d+)`,
Action: "replace",
Replacement: `$1:$2`,
TargetLabel: "__address__",
},
{
Action: "labelmap",
Regex: `__meta_kubernetes_pod_label_(.+)`,
},
},
}},
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "garden",
},
Spec: monitoringv1.PodMonitorSpec{
// Selector: metav1.LabelSelector{MatchExpressions: []metav1.LabelSelectorRequirement{
// {Key: "prometheus.io/scrape", Values: []string{"true"}, Operator: metav1.LabelSelectorOpIn},
// {Key: "prometheus.io/port", Operator: metav1.LabelSelectorOpExists},
// }},
PodMetricsEndpoints: []monitoringv1.PodMetricsEndpoint{{
Scheme: "https",
TLSConfig: &monitoringv1.PodMetricsEndpointTLSConfig{SafeTLSConfig: monitoringv1.SafeTLSConfig{InsecureSkipVerify: true}},
RelabelConfigs: []*monitoringv1.RelabelConfig{
// TODO: These annotations should actually be labels so that PodMonitorSpec.Selector can be used
// instead of manually crafting this relabel config.
{
SourceLabels: []monitoringv1.LabelName{
"__meta_kubernetes_pod_annotation_prometheus_io_scrape",
"__meta_kubernetes_pod_annotation_prometheus_io_port",
},
Regex: `true;(.+)`,
Action: "keep",
},
{
SourceLabels: []monitoringv1.LabelName{"__meta_kubernetes_pod_annotation_prometheus_io_name"},
Regex: `(.+)`,
Action: "replace",
TargetLabel: "job",
},
{
SourceLabels: []monitoringv1.LabelName{"__meta_kubernetes_pod_annotation_prometheus_io_scheme"},
Regex: `(https?)`,
Action: "replace",
TargetLabel: "__scheme__",
},
{
SourceLabels: []monitoringv1.LabelName{"__address__", "__meta_kubernetes_pod_annotation_prometheus_io_port"},
Regex: `([^:]+)(?::\d+)?;(\d+)`,
Replacement: `$1:$2`,
Action: "replace",
TargetLabel: "__address__",
},
{
Action: "labelmap",
Regex: `__meta_kubernetes_pod_label_(.+)`,
},
},
}},
},
},
}
}