feat: add Gateway analysers (#764)

* feat: add GatewayClass analyser Signed-off-by: Aris Boutselis <arisboutselis08@gmail.com> * chore: add a valid GW class object Signed-off-by: Aris Boutselis <arisboutselis08@gmail.com> * feat: add gw analyzer and switch to controller-runtime client Signed-off-by: Aris Boutselis <arisboutselis08@gmail.com> * chore: add unit tests for gw analyser Signed-off-by: Aris Boutselis <arisboutselis08@gmail.com> * chore: replace constants with condition status Signed-off-by: Aris Boutselis <arisboutselis08@gmail.com> * feat: add httproute analyzer Signed-off-by: Aris Boutselis <arisboutselis08@gmail.com> * feat: add HTTPRoute individual tests. Signed-off-by: Aris Boutselis <arisboutselis08@gmail.com> * docs: add analyzers Signed-off-by: Aris Boutselis <arisboutselis08@gmail.com> --------- Signed-off-by: Aris Boutselis <arisboutselis08@gmail.com> Signed-off-by: Aris Boutselis <aris.boutselis@senseon.io> Co-authored-by: Aris Boutselis <arisboutselis08@gmail.com>
2025-09-23 04:08:04 +00:00 · 2023-11-24 10:09:54 +00:00
parent dca5b4710d
commit ec08cac214
14 changed files with 1093 additions and 39 deletions
--- a/pkg/analyzer/gatewayclass.go
+++ b/pkg/analyzer/gatewayclass.go
@@ -0,0 +1,84 @@
+/*
+Copyright 2023 The K8sGPT 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 analyzer
+
+import (
+	"fmt"
+
+	"github.com/k8sgpt-ai/k8sgpt/pkg/common"
+	"github.com/k8sgpt-ai/k8sgpt/pkg/util"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	ctrl "sigs.k8s.io/controller-runtime/pkg/client"
+	gtwapi "sigs.k8s.io/gateway-api/apis/v1"
+)
+
+type GatewayClassAnalyzer struct{}
+
+// Gateway analyser will analyse all different Kinds and search for missing object dependencies
+func (GatewayClassAnalyzer) Analyze(a common.Analyzer) ([]common.Result, error) {
+
+	kind := "GatewayClass"
+	AnalyzerErrorsMetric.DeletePartialMatch(map[string]string{
+		"analyzer_name": kind,
+	})
+
+	gcList := &gtwapi.GatewayClassList{}
+	client := a.Client.CtrlClient
+	gtwapi.AddToScheme(client.Scheme())
+	if err := client.List(a.Context, gcList, &ctrl.ListOptions{}); err != nil {
+		return nil, err
+	}
+	var preAnalysis = map[string]common.PreAnalysis{}
+
+	// Find all unhealthy gateway Classes
+
+	for _, gc := range gcList.Items {
+		var failures []common.Failure
+
+		gcName := gc.GetName()
+		// Check only the current condition
+		if gc.Status.Conditions[0].Status != metav1.ConditionTrue {
+			failures = append(failures, common.Failure{
+				Text: fmt.Sprintf(
+					"GatewayClass '%s' with a controller name '%s' is not accepted. Message: '%s'.",
+					gcName,
+					gc.Spec.ControllerName,
+					gc.Status.Conditions[0].Message,
+				),
+				Sensitive: []common.Sensitive{
+					{
+						Unmasked: gcName,
+						Masked:   util.MaskString(gcName),
+					},
+				},
+			})
+		}
+		if len(failures) > 0 {
+			preAnalysis[gcName] = common.PreAnalysis{
+				GatewayClass:   gc,
+				FailureDetails: failures,
+			}
+			AnalyzerErrorsMetric.WithLabelValues(kind, gcName, "").Set(float64(len(failures)))
+		}
+	}
+	for key, value := range preAnalysis {
+		var currentAnalysis = common.Result{
+			Kind:  kind,
+			Name:  key,
+			Error: value.FailureDetails,
+		}
+		a.Results = append(a.Results, currentAnalysis)
+	}
+	return a.Results, nil
+}