chore: additional analyzers

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

pkg/analyzer/deployment.go

@@ -0,0 +1,46 @@
+package analyzer
+
+import (
+	"context"
+	"fmt"
+
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/k8sgpt-ai/k8sgpt/pkg/common"
+)
+
+// DeploymentAnalyzer is an analyzer that checks for misconfigured Deployments
+type DeploymentAnalyzer struct {
+}
+
+// Analyze scans all namespaces for Deployments with misconfigurations
+func (d DeploymentAnalyzer) Analyze(a common.Analyzer) ([]common.Result, error) {
+
+	var results []common.Result
+	deployments, err := a.Client.GetClient().AppsV1().Deployments("").List(context.Background(), v1.ListOptions{})
+	if err != nil {
+		return nil, err
+	}
+
+	for _, deployment := range deployments.Items {
+		if *deployment.Spec.Replicas != deployment.Status.Replicas {
+			failureDetails := []common.Failure{
+				{
+					Text:      fmt.Sprintf("Deployment %s has a mismatch between the desired and actual replicas", deployment.Name),
+					Sensitive: []common.Sensitive{},
+				},
+			}
+
+			result := common.Result{
+				Kind:         "Deployment",
+				Name:         fmt.Sprintf("%s/%s", deployment.Namespace, deployment.Name),
+				Error:        failureDetails,
+				ParentObject: "",
+			}
+
+			results = append(results, result)
+		}
+	}
+
+	return results, nil
+}