From 40781fcff17eac4575f82176fbb002ae89efc378 Mon Sep 17 00:00:00 2001
From: Jonada Hoxha <jonada.hoxha@icinga.com>
Date: Tue, 29 Oct 2024 08:14:30 +0100
Subject: [PATCH] Enhance service synchronization with new ServiceFactory and
 ServicePod tracking

---
 cmd/icinga-kubernetes/main.go |  3 ++-
 pkg/schema/v1/service.go      | 25 ++++++++++++++++++++++---
 schema/mysql/schema.sql       |  6 ++++++
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/cmd/icinga-kubernetes/main.go b/cmd/icinga-kubernetes/main.go
index 91fc818..e1eb1f5 100644
--- a/cmd/icinga-kubernetes/main.go
+++ b/cmd/icinga-kubernetes/main.go
@@ -436,7 +436,8 @@ func main() {
 	})
 
 	g.Go(func() error {
-		s := syncv1.NewSync(db, factory.Core().V1().Services().Informer(), log.WithName("services"), schemav1.NewService)
+		f := schemav1.NewServiceFactory(clientset)
+		s := syncv1.NewSync(db, factory.Core().V1().Services().Informer(), log.WithName("services"), f.NewService)
 
 		return s.Run(ctx)
 	})
diff --git a/pkg/schema/v1/service.go b/pkg/schema/v1/service.go
index 6dd791c..15561e4 100644
--- a/pkg/schema/v1/service.go
+++ b/pkg/schema/v1/service.go
@@ -10,9 +10,14 @@ import (
 	kruntime "k8s.io/apimachinery/pkg/runtime"
 	kserializer "k8s.io/apimachinery/pkg/runtime/serializer"
 	kjson "k8s.io/apimachinery/pkg/runtime/serializer/json"
+	"k8s.io/client-go/kubernetes"
 	"strings"
 )
 
+type ServiceFactory struct {
+	clientset *kubernetes.Clientset
+}
+
 type Service struct {
 	Meta
 	ClusterIP                     string
@@ -40,6 +45,8 @@ type Service struct {
 	Annotations                   []Annotation         `db:"-"`
 	ServiceAnnotations            []ServiceAnnotation  `db:"-"`
 	ResourceAnnotations           []ResourceAnnotation `db:"-"`
+	ServicePods                   []ServicePod         `db:"-"`
+	factory                       *ServiceFactory
 }
 
 type ServiceSelector struct {
@@ -77,8 +84,19 @@ type ServiceAnnotation struct {
 	AnnotationUuid types.UUID
 }
 
-func NewService() Resource {
-	return &Service{}
+type ServicePod struct {
+	ServiceUuid types.UUID
+	PodUuid     types.UUID
+}
+
+func NewServiceFactory(clientset *kubernetes.Clientset) *ServiceFactory {
+	return &ServiceFactory{
+		clientset: clientset,
+	}
+}
+
+func (f *ServiceFactory) NewService() Resource {
+	return &Service{factory: f}
 }
 
 func (s *Service) Obtain(k8s kmetav1.Object, clusterUuid types.UUID) {
@@ -216,7 +234,6 @@ func (s *Service) Obtain(k8s kmetav1.Object, clusterUuid types.UUID) {
 		internalTrafficPolicy = string(*service.Spec.InternalTrafficPolicy)
 	}
 	s.InternalTrafficPolicy = internalTrafficPolicy
-
 	scheme := kruntime.NewScheme()
 	_ = kcorev1.AddToScheme(scheme)
 	codec := kserializer.NewCodecFactory(scheme).EncoderForVersion(kjson.NewYAMLSerializer(kjson.DefaultMetaFactory, scheme, scheme), kcorev1.SchemeGroupVersion)
@@ -238,5 +255,7 @@ func (s *Service) Relations() []database.Relation {
 		database.HasMany(s.ResourceAnnotations, database.WithForeignKey("resource_uuid")),
 		database.HasMany(s.Annotations, database.WithoutCascadeDelete()),
 		database.HasMany(s.ServiceAnnotations, fk),
+		database.HasMany(s.ResourceAnnotations, fk),
+		database.HasMany(s.ServicePods, fk),
 	}
 }
diff --git a/schema/mysql/schema.sql b/schema/mysql/schema.sql
index ca6bdf6..31ca619 100644
--- a/schema/mysql/schema.sql
+++ b/schema/mysql/schema.sql
@@ -919,6 +919,12 @@ CREATE TABLE service_label (
   PRIMARY KEY (service_uuid, label_uuid)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
 
+CREATE TABLE service_pod (
+  service_uuid binary(16) NOT NULL,
+  pod_uuid binary(16) NOT NULL,
+  PRIMARY KEY (service_uuid, pod_uuid)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+
 CREATE TABLE service_port (
   service_uuid binary(16) NOT NULL,
   name varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,