chore: analyzer and ai interfacing (#200)

* chore: analyzer and ai interfacing

Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

* fix: backend variable for aiProvider in cmd

Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

* fix: changed folders for analyzers

Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

* chore: renamed analyzers

Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

* fix: fixed ingress tests after rebase

Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

* fix: fixed ingress tests after rebase

Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

---------

Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

pkg/analyzer/rs.go

@@ -0,0 +1,54 @@
+package analyzer
+
+import (
+	"fmt"
+	"github.com/k8sgpt-ai/k8sgpt/pkg/util"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+type ReplicaSetAnalyzer struct{}
+
+func (ReplicaSetAnalyzer) Analyze(a Analyzer) ([]Result, error) {
+
+	// search all namespaces for pods that are not running
+	list, err := a.Client.GetClient().AppsV1().ReplicaSets(a.Namespace).List(a.Context, metav1.ListOptions{})
+	if err != nil {
+		return nil, err
+	}
+
+	var preAnalysis = map[string]PreAnalysis{}
+
+	for _, rs := range list.Items {
+		var failures []string
+
+		// Check for empty rs
+		if rs.Status.Replicas == 0 {
+
+			// Check through container status to check for crashes
+			for _, rsStatus := range rs.Status.Conditions {
+				if rsStatus.Type == "ReplicaFailure" && rsStatus.Reason == "FailedCreate" {
+					failures = []string{rsStatus.Message}
+				}
+			}
+		}
+		if len(failures) > 0 {
+			preAnalysis[fmt.Sprintf("%s/%s", rs.Namespace, rs.Name)] = PreAnalysis{
+				ReplicaSet:     rs,
+				FailureDetails: failures,
+			}
+		}
+	}
+
+	for key, value := range preAnalysis {
+		var currentAnalysis = Result{
+			Kind:  "ReplicaSet",
+			Name:  key,
+			Error: value.FailureDetails,
+		}
+
+		parent, _ := util.GetParent(a.Client, value.ReplicaSet.ObjectMeta)
+		currentAnalysis.ParentObject = parent
+		a.Results = append(a.Results, currentAnalysis)
+	}
+	return a.Results, nil
+}