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prometheus-operator/test/framework/prometheus_rule.go

136 lines
3.8 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 framework
import (
"context"
"fmt"
"time"
monitoringv1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/wait"
)
func (f *Framework) MakeBasicRule(ns, name string, groups []monitoringv1.RuleGroup) *monitoringv1.PrometheusRule {
return &monitoringv1.PrometheusRule{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: ns,
Labels: map[string]string{
"role": "rulefile",
},
},
Spec: monitoringv1.PrometheusRuleSpec{
Groups: groups,
},
}
}
func (f *Framework) CreateRule(ns string, ar *monitoringv1.PrometheusRule) (*monitoringv1.PrometheusRule, error) {
result, err := f.MonClientV1.PrometheusRules(ns).Create(context.TODO(), ar, metav1.CreateOptions{})
if err != nil {
return nil, fmt.Errorf("creating %v RuleFile failed: %v", ar.Name, err)
}
return result, nil
}
func (f *Framework) GetRule(ns, name string) (*monitoringv1.PrometheusRule, error) {
result, err := f.MonClientV1.PrometheusRules(ns).Get(context.TODO(), name, metav1.GetOptions{})
if err != nil {
return nil, fmt.Errorf("getting %v Rule failed: %v", name, err)
}
return result, nil
}
func (f *Framework) MakeAndCreateFiringRule(ns, name, alertName string) (*monitoringv1.PrometheusRule, error) {
groups := []monitoringv1.RuleGroup{
{
Name: alertName,
Rules: []monitoringv1.Rule{
{
Alert: alertName,
Expr: intstr.FromString("vector(1)"),
},
},
},
}
file := f.MakeBasicRule(ns, name, groups)
result, err := f.CreateRule(ns, file)
if err != nil {
return nil, err
}
return result, nil
}
func (f *Framework) MakeAndCreateInvalidRule(ns, name, alertName string) (*monitoringv1.PrometheusRule, error) {
groups := []monitoringv1.RuleGroup{
{
Name: alertName,
Rules: []monitoringv1.Rule{
{
Alert: alertName,
Expr: intstr.FromString("vector(1))"),
},
},
},
}
file := f.MakeBasicRule(ns, name, groups)
result, err := f.CreateRule(ns, file)
if err != nil {
return nil, err
}
return result, nil
}
// WaitForRule waits for a rule file with a given name to exist in a given
// namespace.
func (f *Framework) WaitForRule(ns, name string) error {
return wait.Poll(time.Second, f.DefaultTimeout, func() (bool, error) {
_, err := f.MonClientV1.PrometheusRules(ns).Get(context.TODO(), name, metav1.GetOptions{})
if apierrors.IsNotFound(err) {
return false, nil
} else if err != nil {
return false, err
}
return true, nil
})
}
func (f *Framework) UpdateRule(ns string, ar *monitoringv1.PrometheusRule) (*monitoringv1.PrometheusRule, error) {
result, err := f.MonClientV1.PrometheusRules(ns).Update(context.TODO(), ar, metav1.UpdateOptions{})
if err != nil {
return nil, fmt.Errorf("updating %v RuleFile failed: %v", ar.Name, err)
}
return result, nil
}
func (f *Framework) DeleteRule(ns string, r string) error {
err := f.MonClientV1.PrometheusRules(ns).Delete(context.TODO(), r, metav1.DeleteOptions{})
if err != nil {
return fmt.Errorf("deleteing %v Prometheus rule in namespace %v failed: %v", r, ns, err.Error())
}
return nil
}