mirror of
https://github.com/coreos/prometheus-operator.git
synced 2026-02-06 00:47:16 +01:00
105 lines
3.6 KiB
Go
105 lines
3.6 KiB
Go
// Copyright 2016 The prometheus-operator Authors
|
|
//
|
|
// 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 prometheus
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"log/slog"
|
|
"strings"
|
|
|
|
"k8s.io/apimachinery/pkg/labels"
|
|
|
|
"github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring"
|
|
monitoringv1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1"
|
|
namespacelabeler "github.com/prometheus-operator/prometheus-operator/pkg/namespacelabeler"
|
|
"github.com/prometheus-operator/prometheus-operator/pkg/operator"
|
|
prompkg "github.com/prometheus-operator/prometheus-operator/pkg/prometheus"
|
|
)
|
|
|
|
func (c *Operator) selectPrometheusRules(p *monitoringv1.Prometheus, logger *slog.Logger) (operator.PrometheusRuleSelection, error) {
|
|
namespaces, err := operator.SelectNamespacesFromCache(p, p.Spec.RuleNamespaceSelector, c.nsMonInf)
|
|
var rules operator.PrometheusRuleSelection
|
|
if err != nil {
|
|
return rules, err
|
|
}
|
|
logger.Debug("selected RuleNamespaces", "namespaces", strings.Join(namespaces, ","))
|
|
|
|
excludedFromEnforcement := p.Spec.ExcludedFromEnforcement
|
|
// append the deprecated PrometheusRulesExcludedFromEnforce
|
|
for _, rule := range p.Spec.PrometheusRulesExcludedFromEnforce {
|
|
excludedFromEnforcement = append(excludedFromEnforcement,
|
|
monitoringv1.ObjectReference{
|
|
Namespace: rule.RuleNamespace,
|
|
Group: monitoring.GroupName,
|
|
Resource: monitoringv1.PrometheusRuleName,
|
|
Name: rule.RuleName,
|
|
})
|
|
}
|
|
|
|
var (
|
|
nsLabeler = namespacelabeler.New(p.Spec.EnforcedNamespaceLabel, excludedFromEnforcement, true)
|
|
promVersion = operator.StringValOrDefault(p.GetCommonPrometheusFields().Version, operator.DefaultPrometheusVersion)
|
|
)
|
|
|
|
// Select and filter PrometheusRule resources.
|
|
promRuleSelector, err := operator.NewPrometheusRuleSelector(
|
|
operator.PrometheusFormat,
|
|
promVersion,
|
|
p.Spec.RuleSelector,
|
|
nsLabeler,
|
|
c.ruleInfs,
|
|
c.newEventRecorder(p),
|
|
logger,
|
|
)
|
|
if err != nil {
|
|
return rules, fmt.Errorf("initializing PrometheusRules failed: %w", err)
|
|
}
|
|
|
|
rules, err = promRuleSelector.Select(namespaces)
|
|
if err != nil {
|
|
return rules, fmt.Errorf("selecting PrometheusRules failed: %w", err)
|
|
}
|
|
|
|
if pKey, ok := c.accessor.MetaNamespaceKey(p); ok {
|
|
c.metrics.SetSelectedResources(pKey, monitoringv1.PrometheusRuleKind, rules.SelectedLen())
|
|
c.metrics.SetRejectedResources(pKey, monitoringv1.PrometheusRuleKind, rules.RejectedLen())
|
|
}
|
|
return rules, nil
|
|
}
|
|
|
|
func (c *Operator) createOrUpdateRuleConfigMaps(ctx context.Context, p *monitoringv1.Prometheus, rules operator.PrometheusRuleSelection, logger *slog.Logger) ([]string, error) {
|
|
|
|
// Update the corresponding ConfigMap resources.
|
|
prs := operator.NewPrometheusRuleSyncer(
|
|
logger,
|
|
fmt.Sprintf("prometheus-%s", p.Name),
|
|
c.kclient.CoreV1().ConfigMaps(p.Namespace),
|
|
labels.Set{prompkg.LabelPrometheusName: p.Name},
|
|
[]operator.ObjectOption{
|
|
operator.WithAnnotations(c.config.Annotations),
|
|
operator.WithLabels(c.config.Labels),
|
|
operator.WithManagingOwner(p),
|
|
},
|
|
)
|
|
|
|
configMapNames, err := prs.Sync(ctx, rules.RuleFiles())
|
|
if err != nil {
|
|
return nil, fmt.Errorf("synchronizing PrometheusRules failed: %w", err)
|
|
}
|
|
|
|
return prs.AppendConfigMapNames(configMapNames, 3), nil
|
|
}
|