feat: add ClusterServiceVersion, Subscription, InstallPlan, OperatorGroup, and CatalogSource analyzers (#1564)

Signed-off-by: Bruno Andrade <bruno.balint@gmail.com>

pkg/analyzer/operatorgroup_test.go

@@ -0,0 +1,70 @@
+package analyzer
+
+import (
+	"context"
+	"testing"
+
+	"github.com/k8sgpt-ai/k8sgpt/pkg/common"
+	"github.com/k8sgpt-ai/k8sgpt/pkg/kubernetes"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	dynamicfake "k8s.io/client-go/dynamic/fake"
+)
+
+func TestOperatorGroupAnalyzer(t *testing.T) {
+	og1 := &unstructured.Unstructured{
+		Object: map[string]any{
+			"apiVersion": "operators.coreos.com/v1",
+			"kind":       "OperatorGroup",
+			"metadata": map[string]any{
+				"name":      "og-1",
+				"namespace": "ns-a",
+			},
+		},
+	}
+	og2 := &unstructured.Unstructured{
+		Object: map[string]any{
+			"apiVersion": "operators.coreos.com/v1",
+			"kind":       "OperatorGroup",
+			"metadata": map[string]any{
+				"name":      "og-2",
+				"namespace": "ns-a",
+			},
+		},
+	}
+	og3 := &unstructured.Unstructured{
+		Object: map[string]any{
+			"apiVersion": "operators.coreos.com/v1",
+			"kind":       "OperatorGroup",
+			"metadata": map[string]any{
+				"name":      "og-3",
+				"namespace": "ns-b",
+			},
+		},
+	}
+
+	listKinds := map[schema.GroupVersionResource]string{
+		{Group: "operators.coreos.com", Version: "v1", Resource: "operatorgroups"}: "OperatorGroupList",
+	}
+
+	scheme := runtime.NewScheme()
+	dc := dynamicfake.NewSimpleDynamicClientWithCustomListKinds(scheme, listKinds, og1, og2, og3)
+
+	a := common.Analyzer{
+		Context: context.TODO(),
+		Client:  &kubernetes.Client{DynamicClient: dc},
+	}
+
+	res, err := (OperatorGroupAnalyzer{}).Analyze(a)
+	if err != nil {
+		t.Fatalf("Analyze error: %v", err)
+	}
+
+	if len(res) != 1 {
+		t.Fatalf("expected 1 result for ns-a overlap, got %d", len(res))
+	}
+	if res[0].Kind != "OperatorGroup" || res[0].Name != "ns-a" {
+		t.Fatalf("unexpected result: %#v", res[0])
+	}
+}