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Add central ServiceMonitor to operator's namespace (#81)
* Create both local and central ServiceMonitor * Change match labels and namespaces watched by ServiceMonitors * Fix tests * Get central ServiceMonitor and create/update as needed Remove the boolean flag
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| package controllers | ||
|
|
||
| import ( | ||
| "context" | ||
| monitoringv1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1" | ||
| trustyaiopendatahubiov1alpha1 "github.com/trustyai-explainability/trustyai-service-operator/api/v1alpha1" | ||
| "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/log" | ||
| ) | ||
|
|
||
| // generateServiceMonitorSpecCentral generates the ServiceMonitor spec for central ServiceMonitor | ||
| func generateServiceMonitorSpecCentral(deploymentNamespace string) *monitoringv1.ServiceMonitor { | ||
| serviceMonitor := &monitoringv1.ServiceMonitor{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: serviceMonitorName, | ||
| Namespace: deploymentNamespace, | ||
| Labels: map[string]string{ | ||
| "modelmesh-service": "modelmesh-serving", | ||
| }, | ||
| }, | ||
| Spec: monitoringv1.ServiceMonitorSpec{ | ||
| NamespaceSelector: monitoringv1.NamespaceSelector{ | ||
| Any: true, | ||
| }, | ||
| Endpoints: []monitoringv1.Endpoint{ | ||
| { | ||
| Interval: "4s", | ||
| Path: "/q/metrics", | ||
| HonorLabels: true, | ||
| Scheme: "http", | ||
| Params: map[string][]string{ | ||
| "match[]": { | ||
| `{__name__= "trustyai_spd"}`, | ||
| `{__name__= "trustyai_dir"}`, | ||
| }, | ||
| }, | ||
| MetricRelabelConfigs: []*monitoringv1.RelabelConfig{ | ||
| { | ||
| Action: "keep", | ||
| Regex: "trustyai_.*", | ||
| SourceLabels: []monitoringv1.LabelName{"__name__"}, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| Selector: metav1.LabelSelector{ | ||
| MatchLabels: map[string]string{ | ||
| "app.kubernetes.io/part-of": serviceType, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| return serviceMonitor | ||
| } | ||
|
|
||
| // ensureCentralServiceMonitor ensures that the central ServiceMonitor is created | ||
| func (r *TrustyAIServiceReconciler) ensureCentralServiceMonitor(ctx context.Context) error { | ||
| serviceMonitor := generateServiceMonitorSpecCentral(r.Namespace) | ||
|
|
||
| // Check if this ServiceMonitor already exists | ||
| found := &monitoringv1.ServiceMonitor{} | ||
| err := r.Get(ctx, types.NamespacedName{Name: serviceMonitor.Name, Namespace: serviceMonitor.Namespace}, found) | ||
| if err != nil { | ||
| if errors.IsNotFound(err) { | ||
| log.FromContext(ctx).Info("Creating a new central ServiceMonitor", "ServiceMonitor.Namespace", serviceMonitor.Namespace, "ServiceMonitor.Name", serviceMonitor.Name) | ||
| err = r.Create(ctx, serviceMonitor) | ||
| if err != nil { | ||
| log.FromContext(ctx).Error(err, "Failed to create central ServiceMonitor", "ServiceMonitor.Namespace", serviceMonitor.Namespace, "ServiceMonitor.Name", serviceMonitor.Name) | ||
| return err | ||
| } | ||
| } else { | ||
| log.FromContext(ctx).Error(err, "Failed to get central ServiceMonitor", "ServiceMonitor.Namespace", serviceMonitor.Namespace, "ServiceMonitor.Name", serviceMonitor.Name) | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // generateServiceMonitorSpecLocal generates the ServiceMonitor spec for a local ServiceMonitor | ||
| func generateServiceMonitorSpecLocal(deploymentNamespace string, serviceName string) *monitoringv1.ServiceMonitor { | ||
| serviceMonitor := &monitoringv1.ServiceMonitor{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: serviceName, | ||
| Namespace: deploymentNamespace, | ||
| Labels: map[string]string{ | ||
| "modelmesh-service": "modelmesh-serving", | ||
| }, | ||
| }, | ||
| Spec: monitoringv1.ServiceMonitorSpec{ | ||
| NamespaceSelector: monitoringv1.NamespaceSelector{ | ||
| MatchNames: []string{deploymentNamespace}, | ||
| }, | ||
| Endpoints: []monitoringv1.Endpoint{ | ||
| { | ||
| Interval: "4s", | ||
| Path: "/q/metrics", | ||
| HonorLabels: true, | ||
| Scheme: "http", | ||
| Params: map[string][]string{ | ||
| "match[]": { | ||
| `{__name__= "trustyai_spd"}`, | ||
| `{__name__= "trustyai_dir"}`, | ||
| }, | ||
| }, | ||
| MetricRelabelConfigs: []*monitoringv1.RelabelConfig{ | ||
| { | ||
| Action: "keep", | ||
| Regex: "trustyai_.*", | ||
| SourceLabels: []monitoringv1.LabelName{"__name__"}, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| Selector: metav1.LabelSelector{ | ||
| MatchLabels: map[string]string{ | ||
| "app.kubernetes.io/part-of": serviceType, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| return serviceMonitor | ||
| } | ||
|
|
||
| // ensureLocalServiceMonitor ensures that the local ServiceMonitor is created | ||
| func (r *TrustyAIServiceReconciler) ensureLocalServiceMonitor(cr *trustyaiopendatahubiov1alpha1.TrustyAIService, ctx context.Context) error { | ||
| serviceMonitor := generateServiceMonitorSpecLocal(cr.Namespace, cr.Name) | ||
|
|
||
| // Set TrustyAIService instance as the owner and controller | ||
| err := ctrl.SetControllerReference(cr, serviceMonitor, r.Scheme) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // Check if the ServiceMonitor already exists | ||
| found := &monitoringv1.ServiceMonitor{} | ||
| err = r.Get(ctx, types.NamespacedName{Name: serviceMonitor.Name, Namespace: serviceMonitor.Namespace}, found) | ||
| if err != nil { | ||
| if errors.IsNotFound(err) { | ||
| log.FromContext(ctx).Info("Creating a new local ServiceMonitor", "ServiceMonitor.Namespace", serviceMonitor.Namespace, "ServiceMonitor.Name", serviceMonitor.Name) | ||
| err = r.Create(ctx, serviceMonitor) | ||
| if err != nil { | ||
| log.FromContext(ctx).Error(err, "Failed to create local ServiceMonitor", "ServiceMonitor.Namespace", serviceMonitor.Namespace, "ServiceMonitor.Name", serviceMonitor.Name) | ||
| return err | ||
| } | ||
| } else { | ||
| log.FromContext(ctx).Error(err, "Failed to get local ServiceMonitor", "ServiceMonitor.Namespace", serviceMonitor.Namespace, "ServiceMonitor.Name", serviceMonitor.Name) | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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