[CHORE] adding analyze service monitor

cmd/analyze.go

@@ -0,0 +1,86 @@
+// 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 (
+	"fmt"
+	"strings"
+
+	"github.com/prometheus-operator/poctl/internal/analyzers"
+	"github.com/prometheus-operator/poctl/internal/k8sutil"
+	"github.com/spf13/cobra"
+)
+
+type AnalyzeKind string
+
+const (
+	ServiceMonitor AnalyzeKind = "servicemonitor"
+)
+
+type AnalyzeFlags struct {
+	Kind      string
+	Name      string
+	Namespace string
+}
+
+var (
+	analyzerFlags = AnalyzeFlags{}
+	analyzeCmd    = &cobra.Command{
+		Use:   "analyze",
+		Short: "Analyzes the given object and runs a set of rules on it to determine if it is compliant with the given rules.",
+		Long: `Analyzes the given object and runs a set of rules on it to determine if it is compliant with the given rules.
+		For example:
+			- Analyze if the service monitor is selecting any service or using the correct service port.`,
+		RunE: run,
+	}
+)
+
+func run(cmd *cobra.Command, _ []string) error {
+	if analyzerFlags.Kind == "" {
+		return fmt.Errorf("kind is required")
+	}
+
+	if analyzerFlags.Name == "" {
+		return fmt.Errorf("name is required")
+	}
+
+	if analyzerFlags.Namespace == "" {
+		return fmt.Errorf("namespace is required")
+	}
+
+	kClient, mClient, err := k8sutil.GetClientSets(kubeconfig)
+	if err != nil {
+		return fmt.Errorf("error while getting clientsets: %v", err)
+	}
+
+	clientSets := k8sutil.ClientSets{
+		KClient: kClient,
+		MClient: mClient,
+	}
+
+	switch AnalyzeKind(strings.ToLower(analyzerFlags.Kind)) {
+	case ServiceMonitor:
+		return analyzers.RunServiceMonitorAnalyzer(cmd.Context(), clientSets, analyzerFlags.Name, analyzerFlags.Namespace)
+	default:
+		return fmt.Errorf("kind %s not supported", analyzerFlags.Kind)
+	}
+}
+
+func init() {
+	rootCmd.AddCommand(analyzeCmd)
+	analyzeCmd.PersistentFlags().StringVarP(&analyzerFlags.Kind, "kind", "k", "", "The kind of object to analyze. For example, ServiceMonitor")
+	analyzeCmd.PersistentFlags().StringVarP(&analyzerFlags.Name, "name", "n", "", "The name of the object to analyze")
+	analyzeCmd.PersistentFlags().StringVarP(&analyzerFlags.Namespace, "namespace", "s", "", "The namespace of the object to analyze")
+}

cmd/servicemonitor.go

@@ -26,6 +26,7 @@ import (
 	"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"
 )
@@ -93,7 +94,7 @@ func createFromService(
 			Labels:    service.Labels,
 		},
 		Spec: &monitoringv1.ServiceMonitorSpecApplyConfiguration{
-			Selector: &metav1.LabelSelector{
+			Selector: &applyConfigMetav1.LabelSelectorApplyConfiguration{
 				MatchLabels: service.Spec.Selector,
 			},
 		},

go.mod

@@ -3,19 +3,23 @@ module github.com/prometheus-operator/poctl
 go 1.22.0
 
 require (
-	k8s.io/apiextensions-apiserver v0.30.1
-	k8s.io/client-go v0.30.1
+	github.com/stretchr/testify v1.9.0
+	k8s.io/apiextensions-apiserver v0.30.2
+	k8s.io/client-go v0.30.2
 )
 
 require (
+	github.com/evanphx/json-patch v5.9.0+incompatible // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
-	sigs.k8s.io/controller-runtime v0.18.2 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	sigs.k8s.io/controller-runtime v0.18.4 // indirect
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
-	github.com/emicklei/go-restful/v3 v3.12.0 // indirect
-	github.com/go-logr/logr v1.4.1 // indirect
+	github.com/emicklei/go-restful/v3 v3.12.1 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-openapi/jsonpointer v0.21.0 // indirect
 	github.com/go-openapi/jsonreference v0.21.0 // indirect
 	github.com/go-openapi/swag v0.23.0 // indirect
@@ -31,24 +35,24 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.74.0
+	github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.75.1
 	github.com/spf13/cobra v1.8.0
 	github.com/spf13/pflag v1.0.5
-	golang.org/x/net v0.25.0 // indirect
-	golang.org/x/oauth2 v0.19.0 // indirect
-	golang.org/x/sys v0.20.0 // indirect
-	golang.org/x/term v0.20.0 // indirect
-	golang.org/x/text v0.15.0 // indirect
+	golang.org/x/net v0.26.0 // indirect
+	golang.org/x/oauth2 v0.21.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/term v0.21.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
-	google.golang.org/protobuf v1.34.1 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/api v0.30.1
-	k8s.io/apimachinery v0.30.1
-	k8s.io/klog/v2 v2.120.1 // indirect
-	k8s.io/kube-openapi v0.0.0-20240322212309-b815d8309940 // indirect
-	k8s.io/utils v0.0.0-20240310230437-4693a0247e57
+	k8s.io/api v0.30.2
+	k8s.io/apimachinery v0.30.2
+	k8s.io/klog/v2 v2.130.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20240620174524-b456828f718b // indirect
+	k8s.io/utils v0.0.0-20240502163921-fe8a2dddb1d0
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
 	sigs.k8s.io/yaml v1.4.0 // indirect
@@ -57,5 +61,5 @@ require (
 require (
 	github.com/google/go-github/v62 v62.0.0
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/prometheus-operator/prometheus-operator/pkg/client v0.74.0
+	github.com/prometheus-operator/prometheus-operator/pkg/client v0.75.1
 )