⚗️ Build client once

src/main/java/dev/dinauer/IngressResource.java

@@ -19,17 +19,14 @@ import java.util.List;
 @Authenticated
 public class IngressResource
 {
-    @Inject
-    ClientProvider clientProvider;
-
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     public List<Ingress> getIngresses(@QueryParam("namespace") String namespace)
     {
         if(namespace != null)
         {
-            return clientProvider.getClient().network().v1().ingresses().inNamespace(namespace).list().getItems();
+            return ClientProvider.getClient().network().v1().ingresses().inNamespace(namespace).list().getItems();
         }
-        return clientProvider.getClient().network().v1().ingresses().list().getItems();
+        return ClientProvider.getClient().network().v1().ingresses().list().getItems();
     }
 }

src/main/java/dev/dinauer/LogResource.java

@@ -20,9 +20,6 @@ import java.util.Optional;
 @Authenticated
 public class LogResource
 {
-    @Inject
-    ClientProvider clientProvider;
-
     @Inject
     PodService podService;
 
@@ -34,7 +31,7 @@ public class LogResource
         if(podOptional.isPresent())
         {
             Pod pod = podOptional.get();
-            return List.of(clientProvider.getClient().pods().inNamespace(pod.getMetadata().getNamespace()).withName(pod.getMetadata().getName()).getLog().split("\\r?\\n"));
+            return List.of(ClientProvider.getClient().pods().inNamespace(pod.getMetadata().getNamespace()).withName(pod.getMetadata().getName()).getLog().split("\\r?\\n"));
         }
         throw new NotFoundException();
     }

src/main/java/dev/dinauer/NamespaceResource.java

@@ -20,13 +20,10 @@ import java.util.List;
 @Authenticated
 public class NamespaceResource
 {
-    @Inject
-    ClientProvider clientProvider;
-
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     public List<Namespace> getNamespaces()
     {
-        return clientProvider.getClient().namespaces().list().getItems();
+        return ClientProvider.getClient().namespaces().list().getItems();
     }
 }

src/main/java/dev/dinauer/NodeResource.java

@@ -24,9 +24,6 @@ import java.util.List;
 @Authenticated
 public class NodeResource
 {
-    @Inject
-    ClientProvider clientProvider;
-
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     public List<NodeStats> getMonitoring() throws IOException, InterruptedException
@@ -40,7 +37,7 @@ public class NodeResource
             if(parts.length == 5)
             {
                 String name = parts[0];
-                Node node = clientProvider.getClient().nodes().withName(name).get();
+                Node node = ClientProvider.getClient().nodes().withName(name).get();
                 Integer absoluteCpu = extractInteger(parts[1]);
                 Integer relativeCpu = extractInteger(parts[2]);
                 Integer absoluteMemory = extractMemory(parts[3]);

src/main/java/dev/dinauer/PodResource.java

@@ -24,9 +24,6 @@ import java.util.Optional;
 @Authenticated
 public class PodResource
 {
-    @Inject
-    ClientProvider clientProvider;
-
     @Inject
     PodService podService;
 
@@ -52,7 +49,7 @@ public class PodResource
         if(podOptional.isPresent())
         {
             Pod pod = podOptional.get();
-            clientProvider.getClient()
+            ClientProvider.getClient()
                 .pods()
                 .inNamespace(pod.getMetadata().getNamespace())
                 .withName(pod.getMetadata().getName())

src/main/java/dev/dinauer/ServiceResource.java

@@ -25,17 +25,14 @@ import java.util.Optional;
 @Authenticated
 public class ServiceResource
 {
-    @Inject
-    ClientProvider clientProvider;
-
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     public List<Service> getServices(@QueryParam("namespace") Optional<String> namespace)
     {
         if(namespace.isPresent())
         {
-            return clientProvider.getClient().services().inNamespace(namespace.get()).list().getItems();
+            return ClientProvider.getClient().services().inNamespace(namespace.get()).list().getItems();
         }
-        return clientProvider.getClient().services().list().getItems();
+        return ClientProvider.getClient().services().list().getItems();
     }
 }

src/main/java/dev/dinauer/service/PodService.java

@@ -14,22 +14,19 @@ import java.util.Optional;
 @ApplicationScoped
 public class PodService
 {
-    @Inject
-    ClientProvider clientProvider;
-
     public List<Pod> findByNamespace(String namespace)
     {
-        return clientProvider.getClient().pods().inNamespace(namespace).list().getItems();
+        return ClientProvider.getClient().pods().inNamespace(namespace).list().getItems();
     }
 
     public List<Pod> findAll()
     {
-        return clientProvider.getClient().pods().list().getItems();
+        return ClientProvider.getClient().pods().list().getItems();
     }
 
     public Optional<Pod> findPodById(String id)
     {
-        for(Pod pod : clientProvider.getClient().pods().list().getItems())
+        for(Pod pod : ClientProvider.getClient().pods().list().getItems())
         {
             if(pod.getMetadata().getUid().equals(id))
             {

src/main/java/dev/dinauer/service/ServiceService.java

@@ -1,5 +1,6 @@
 package dev.dinauer.service;
 
+import dev.dinauer.utils.ClientProvider;
 import io.fabric8.kubernetes.api.model.Service;
 import io.fabric8.kubernetes.client.KubernetesClient;
 import io.fabric8.kubernetes.client.KubernetesClientBuilder;
@@ -11,17 +12,9 @@ import java.util.Optional;
 @ApplicationScoped
 public class ServiceService
 {
-    private KubernetesClient client;
-
-    @PostConstruct
-    void init()
-    {
-        client = new KubernetesClientBuilder().build();
-    }
-
     public Optional<Service> findById(String id)
     {
-        for(Service service : client.services().list().getItems())
+        for(Service service : ClientProvider.getClient().services().list().getItems())
         {
             if(service.getMetadata().getUid().equals(id))
             {

src/main/java/dev/dinauer/utils/ClientProvider.java

@@ -3,28 +3,20 @@ package dev.dinauer.utils;
 import io.fabric8.kubernetes.client.Config;
 import io.fabric8.kubernetes.client.KubernetesClient;
 import io.fabric8.kubernetes.client.KubernetesClientBuilder;
+import io.vertx.mutiny.core.Vertx;
 import jakarta.annotation.PostConstruct;
 import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.inject.Inject;
+import org.eclipse.microprofile.config.ConfigProvider;
 import org.eclipse.microprofile.config.inject.ConfigProperty;
 
 import java.io.File;
 
-@ApplicationScoped
 public class ClientProvider
 {
-    @ConfigProperty(name = "dev.dinauer.kobooboo.kubeconfigs.dir")
+    public static KubernetesClient getClient()
-    String configFilePath;
-
-    private KubernetesClient client;
-
-    @PostConstruct
-    void init()
     {
-        client = new KubernetesClientBuilder().withConfig(Config.fromKubeconfig(new File(configFilePath))).build();
+        String configFilePath = ConfigProvider.getConfig().getValue("dev.dinauer.kobooboo.kubeconfigs.dir", String.class);
-    }
+        return new KubernetesClientBuilder().withConfig(Config.fromKubeconfig(new File(configFilePath))).build();
-
-    public KubernetesClient getClient()
-    {
-        return client;
     }
 }

src/main/java/dev/dinauer/utils/StartupService.java

@@ -3,7 +3,6 @@ package dev.dinauer.utils;
 import dev.dinauer.login.User;
 import dev.dinauer.login.UserRepo;
 import io.quarkus.elytron.security.common.BcryptUtil;
-import io.quarkus.runtime.Startup;
 import jakarta.annotation.PostConstruct;
 import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.inject.Inject;