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Merge pull request #14 from prometheus-operator/chore/adding-alertman…
…ager-builder [CHORE] adding alertmanager builder
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| // Copyright 2024 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 cmd | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
|
|
||
| "github.com/prometheus-operator/poctl/internal/k8sutil" | ||
| "github.com/prometheus-operator/poctl/internal/log" | ||
| monitoringv1 "github.com/prometheus-operator/prometheus-operator/pkg/client/applyconfiguration/monitoring/v1" | ||
| monitoringclient "github.com/prometheus-operator/prometheus-operator/pkg/client/versioned" | ||
| "github.com/spf13/cobra" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| applyConfigMetav1 "k8s.io/client-go/applyconfigurations/meta/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/utils/ptr" | ||
| ) | ||
|
|
||
| // servicemonitorCmd represents the servicemonitor command | ||
| var ( | ||
| serviceName string | ||
| namespace string | ||
| port string | ||
| servicemonitorCmd = &cobra.Command{ | ||
| Use: "servicemonitor", | ||
| Short: "Create a service monitor object", | ||
| Long: `Create a service monitor object based on user input parameters or taking as source of truth a kubernetes service`, | ||
| RunE: runServiceMonitor, | ||
| } | ||
| ) | ||
|
|
||
| func runServiceMonitor(_ *cobra.Command, args []string) error { | ||
| logger, err := log.NewLogger() | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| return err | ||
| } | ||
|
|
||
| //TODO(nicolastakashi): Replace it when the PR #6623 is merged | ||
| restConfig, err := k8sutil.GetRestConfig(logger, kubeconfig) | ||
| if err != nil { | ||
| logger.With("error", err.Error()).Error("error while getting kubeconfig") | ||
| return err | ||
| } | ||
|
|
||
| kclient, err := kubernetes.NewForConfig(restConfig) | ||
| if err != nil { | ||
| logger.With("error", err.Error()).Error("error while creating k8s client") | ||
| return err | ||
| } | ||
|
|
||
| mclient, err := monitoringclient.NewForConfig(restConfig) | ||
| if err != nil { | ||
| logger.With("error", err.Error()).Error("error while creating Prometheus Operator client") | ||
| return err | ||
| } | ||
|
|
||
| if serviceName == "" { | ||
| return errors.New("service name is required") | ||
| } | ||
|
|
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| err = createFromService(context.Background(), kclient, mclient, namespace, serviceName, port) | ||
| if err != nil { | ||
| logger.With("error", err.Error()).Error("error while creating service monitor") | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
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| func createFromService( | ||
| ctx context.Context, | ||
| k8sClient *kubernetes.Clientset, | ||
| mClient *monitoringclient.Clientset, | ||
| namespace string, | ||
| serviceName string, | ||
| port string) error { | ||
|
|
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| service, err := k8sClient.CoreV1().Services(namespace).Get(ctx, serviceName, metav1.GetOptions{}) | ||
| if err != nil { | ||
| return fmt.Errorf("error while getting service %s: %v", serviceName, err) | ||
| } | ||
|
|
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| svcMonitor := &monitoringv1.ServiceMonitorApplyConfiguration{ | ||
| TypeMetaApplyConfiguration: applyConfigMetav1.TypeMetaApplyConfiguration{ | ||
| Kind: ptr.To("ServiceMonitor"), | ||
| APIVersion: ptr.To("monitoring.coreos.com/v1"), | ||
| }, | ||
| ObjectMetaApplyConfiguration: &applyConfigMetav1.ObjectMetaApplyConfiguration{ | ||
| Name: ptr.To(serviceName), | ||
| Namespace: ptr.To(namespace), | ||
| Labels: service.Labels, | ||
| }, | ||
| Spec: &monitoringv1.ServiceMonitorSpecApplyConfiguration{ | ||
| Selector: &metav1.LabelSelector{ | ||
| MatchLabels: service.Spec.Selector, | ||
| }, | ||
| }, | ||
| } | ||
|
|
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| for _, p := range service.Spec.Ports { | ||
| if port != "" && p.Name != port { | ||
| continue | ||
| } | ||
|
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| svcMonitor.Spec.Endpoints = append(svcMonitor.Spec.Endpoints, monitoringv1.EndpointApplyConfiguration{ | ||
| HonorLabels: ptr.To(true), | ||
| Port: ptr.To(p.Name), | ||
| }) | ||
| } | ||
|
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| _, err = mClient.MonitoringV1().ServiceMonitors(namespace).Apply(ctx, svcMonitor, k8sutil.ApplyOption) | ||
| if err != nil { | ||
| return fmt.Errorf("error while creating service monitor %s: %v", serviceName, err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
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| func init() { | ||
| createCmd.AddCommand(servicemonitorCmd) | ||
| servicemonitorCmd.Flags().StringVarP(&serviceName, "service", "s", "", "Service name to create the service monitor from") | ||
| servicemonitorCmd.Flags().StringVarP(&namespace, "namespace", "n", "default", "Namespace of the service") | ||
| servicemonitorCmd.Flags().StringVarP(&port, "port", "p", "", "Port of the service") | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| // Copyright 2024 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 builder | ||
|
|
||
| import ( | ||
| monitoringv1 "github.com/prometheus-operator/prometheus-operator/pkg/client/applyconfiguration/monitoring/v1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/util/intstr" | ||
| applyConfigCorev1 "k8s.io/client-go/applyconfigurations/core/v1" | ||
| applyConfigMetav1 "k8s.io/client-go/applyconfigurations/meta/v1" | ||
| "k8s.io/utils/ptr" | ||
| ) | ||
|
|
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| type AlertManagerBuilder struct { | ||
| labels map[string]string | ||
| labelSelectors map[string]string | ||
| namespace string | ||
| manifets AlertManagerManifests | ||
| } | ||
|
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| type AlertManagerManifests struct { | ||
| ServiceAccount *applyConfigCorev1.ServiceAccountApplyConfiguration | ||
| AlertManager *monitoringv1.AlertmanagerApplyConfiguration | ||
| Service *applyConfigCorev1.ServiceApplyConfiguration | ||
| ServiceMonitor *monitoringv1.ServiceMonitorApplyConfiguration | ||
| } | ||
|
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| const AlertManagerName = "alertmanager" | ||
|
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| func NewAlertManager(namespace string) *AlertManagerBuilder { | ||
| return &AlertManagerBuilder{ | ||
| labels: map[string]string{ | ||
| "alertmanager": AlertManagerName, | ||
| }, | ||
| labelSelectors: map[string]string{ | ||
| "alertmanager": AlertManagerName, | ||
| }, | ||
| namespace: namespace, | ||
| } | ||
| } | ||
|
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| func (a *AlertManagerBuilder) WithServiceAccount() *AlertManagerBuilder { | ||
| a.manifets.ServiceAccount = &applyConfigCorev1.ServiceAccountApplyConfiguration{ | ||
| TypeMetaApplyConfiguration: applyConfigMetav1.TypeMetaApplyConfiguration{ | ||
| Kind: ptr.To("ServiceAccount"), | ||
| APIVersion: ptr.To("v1"), | ||
| }, | ||
| ObjectMetaApplyConfiguration: &applyConfigMetav1.ObjectMetaApplyConfiguration{ | ||
| Name: ptr.To(AlertManagerName), | ||
| Labels: a.labels, | ||
| Namespace: ptr.To(a.namespace), | ||
| }, | ||
| } | ||
| return a | ||
| } | ||
|
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| func (a *AlertManagerBuilder) WithAlertManager() *AlertManagerBuilder { | ||
| a.manifets.AlertManager = &monitoringv1.AlertmanagerApplyConfiguration{ | ||
| TypeMetaApplyConfiguration: applyConfigMetav1.TypeMetaApplyConfiguration{ | ||
| Kind: ptr.To("Alertmanager"), | ||
| APIVersion: ptr.To("monitoring.coreos.com/v1"), | ||
| }, | ||
| ObjectMetaApplyConfiguration: &applyConfigMetav1.ObjectMetaApplyConfiguration{ | ||
| Name: ptr.To(AlertManagerName), | ||
| Labels: a.labels, | ||
| Namespace: ptr.To(a.namespace), | ||
| }, | ||
| Spec: &monitoringv1.AlertmanagerSpecApplyConfiguration{ | ||
| ServiceAccountName: a.manifets.ServiceAccount.Name, | ||
| Replicas: ptr.To(int32(1)), | ||
| AlertmanagerConfigSelector: &metav1.LabelSelector{}, | ||
| AlertmanagerConfigNamespaceSelector: &metav1.LabelSelector{}, | ||
| }, | ||
| } | ||
| return a | ||
| } | ||
|
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| func (a *AlertManagerBuilder) WithService() *AlertManagerBuilder { | ||
| a.manifets.Service = &applyConfigCorev1.ServiceApplyConfiguration{ | ||
| TypeMetaApplyConfiguration: applyConfigMetav1.TypeMetaApplyConfiguration{ | ||
| Kind: ptr.To("Service"), | ||
| APIVersion: ptr.To("v1"), | ||
| }, | ||
| ObjectMetaApplyConfiguration: &applyConfigMetav1.ObjectMetaApplyConfiguration{ | ||
| Name: ptr.To(AlertManagerName), | ||
| Labels: a.labels, | ||
| Namespace: ptr.To(a.namespace), | ||
| }, | ||
| Spec: &applyConfigCorev1.ServiceSpecApplyConfiguration{ | ||
| Ports: []applyConfigCorev1.ServicePortApplyConfiguration{ | ||
| { | ||
| Name: ptr.To("http-web"), | ||
| Port: ptr.To(int32(9093)), | ||
| TargetPort: ptr.To(intstr.FromInt32(9093)), | ||
| Protocol: ptr.To(corev1.ProtocolTCP), | ||
| }, | ||
| { | ||
| Name: ptr.To("reloader-web"), | ||
| Port: ptr.To(int32(8080)), | ||
| TargetPort: ptr.To(intstr.FromString("reloader-web")), | ||
| }, | ||
| }, | ||
| Selector: a.labelSelectors, | ||
| }, | ||
| } | ||
| return a | ||
| } | ||
|
|
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| func (a *AlertManagerBuilder) WithServiceMonitor() *AlertManagerBuilder { | ||
| a.manifets.ServiceMonitor = &monitoringv1.ServiceMonitorApplyConfiguration{ | ||
| TypeMetaApplyConfiguration: applyConfigMetav1.TypeMetaApplyConfiguration{ | ||
| Kind: ptr.To("ServiceMonitor"), | ||
| APIVersion: ptr.To("monitoring.coreos.com/v1"), | ||
| }, | ||
| ObjectMetaApplyConfiguration: &applyConfigMetav1.ObjectMetaApplyConfiguration{ | ||
| Name: ptr.To(AlertManagerName), | ||
| Labels: a.labels, | ||
| Namespace: ptr.To(a.namespace), | ||
| }, | ||
| Spec: &monitoringv1.ServiceMonitorSpecApplyConfiguration{ | ||
| Selector: &metav1.LabelSelector{ | ||
| MatchLabels: a.labelSelectors, | ||
| }, | ||
| Endpoints: []monitoringv1.EndpointApplyConfiguration{ | ||
| { | ||
| HonorLabels: ptr.To(true), | ||
| Port: ptr.To("http-web"), | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| return a | ||
| } | ||
|
|
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| func (a *AlertManagerBuilder) Build() AlertManagerManifests { | ||
| return a.manifets | ||
| } |
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