sigs.k8s.io/kubebuilder/v3@v3.14.0/pkg/plugins/golang/v2/scaffolds/internal/templates/config/prometheus/monitor.go (about)

     1  /*
     2  Copyright 2020 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package prometheus
    18  
    19  import (
    20  	"path/filepath"
    21  
    22  	"sigs.k8s.io/kubebuilder/v3/pkg/machinery"
    23  )
    24  
    25  var _ machinery.Template = &Monitor{}
    26  
    27  // Monitor scaffolds a file that defines the prometheus service monitor
    28  type Monitor struct {
    29  	machinery.TemplateMixin
    30  }
    31  
    32  // SetTemplateDefaults implements file.Template
    33  func (f *Monitor) SetTemplateDefaults() error {
    34  	if f.Path == "" {
    35  		f.Path = filepath.Join("config", "prometheus", "monitor.yaml")
    36  	}
    37  
    38  	f.TemplateBody = serviceMonitorTemplate
    39  
    40  	return nil
    41  }
    42  
    43  const serviceMonitorTemplate = `
    44  # Prometheus Monitor Service (Metrics)
    45  apiVersion: monitoring.coreos.com/v1
    46  kind: ServiceMonitor
    47  metadata:
    48    labels:
    49      control-plane: controller-manager
    50    name: controller-manager-metrics-monitor
    51    namespace: system
    52  spec:
    53    endpoints:
    54      - path: /metrics
    55        port: https
    56        scheme: https
    57        bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
    58        tlsConfig:
    59          insecureSkipVerify: true
    60    selector:
    61      matchLabels:
    62        control-plane: controller-manager
    63  `