content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.camel.quarkus.component.kubernetes.it;
  
  import java.time.Duration;
  import java.util.List;
  import java.util.Map;
  
  import io.fabric8.kubernetes.api.model.WatchEventBuilder;
  import io.fabric8.kubernetes.api.model.apps.Deployment;
  import io.fabric8.kubernetes.api.model.apps.DeploymentBuilder;
  import io.fabric8.kubernetes.api.model.apps.DeploymentListBuilder;
  import io.fabric8.kubernetes.client.utils.Serialization;
  import io.quarkus.test.common.QuarkusTestResource;
  import io.quarkus.test.junit.QuarkusTest;
  import io.quarkus.test.kubernetes.client.KubernetesServer;
  import io.quarkus.test.kubernetes.client.KubernetesTestServer;
  import io.restassured.RestAssured;
  import io.restassured.http.ContentType;
  import org.awaitility.Awaitility;
  import org.junit.jupiter.api.Test;
  
  import static org.hamcrest.Matchers.is;
  
  @QuarkusTest
  @QuarkusTestResource(CamelQuarkusKubernetesServerTestResource.class)
  class KubernetesDeploymentTest {
  
      @KubernetesTestServer
      private KubernetesServer mockServer;
  
      @Test
      void deploymentOperations() throws Exception {
          try (CamelKubernetesNamespace namespace = new CamelKubernetesNamespace()) {
              namespace.awaitCreation();
  
              String name = "camel-deployment";
  
              Deployment deployment = new DeploymentBuilder()
                      .withNewMetadata()
                      .withName(name)
                      .endMetadata()
                      .withNewSpec()
                      .withReplicas(0)
                      .withNewSelector()
                      .addToMatchLabels("app", name)
                      .endSelector()
                      .withNewTemplate()
                      .withNewMetadata()
                      .addToLabels("app", name)
                      .endMetadata()
                      .withNewSpec()
                      .addNewContainer()
                      .withName(name)
                      .withImage("busybox:latest")
                      .endContainer()
                      .endSpec()
                      .endTemplate()
                      .endSpec()
                      .build();
  
              // Create
              RestAssured.given()
                      .contentType(ContentType.JSON)
                      .body(deployment)
                      .when()
                      .post("/kubernetes/deployment/" + namespace.getNamespace())
                      .then()
                      .statusCode(201)
                      .body("metadata.name", is(name),
                              "metadata.namespace", is(namespace.getNamespace()));
  
              // Read
              Deployment currentDeployment = RestAssured.given()
                      .when()
                      .get("/kubernetes/deployment/" + namespace.getNamespace() + "/" + name)
                      .then()
                      .statusCode(200)
                      .body("metadata.name", is(name),
                              "metadata.namespace", is(namespace.getNamespace()))
                      .extract()
                      .as(Deployment.class);
  
              // Update
              int value = 120;
              Deployment updatedDeployment = new DeploymentBuilder(currentDeployment)
                      .editSpec()
                      .withMinReadySeconds(value)
                      .endSpec()
                      .build();
  
              RestAssured.given()
                      .contentType(ContentType.JSON)
                      .body(updatedDeployment)
                      .when()
                      .put("/kubernetes/deployment/" + namespace.getNamespace())
                      .then()
                      .statusCode(200)
                      .body("spec.minReadySeconds", is(value));
  
              Awaitility.await().pollInterval(Duration.ofMillis(250)).atMost(Duration.ofMinutes(1)).untilAsserted(() -> {
                  RestAssured.given()
                          .when()
                          .get("/kubernetes/deployment/" + namespace.getNamespace() + "/" + name)
                          .then()
                          .statusCode(200)
                          .body("spec.minReadySeconds", is(value));
              });
  
              if (mockServer != null) {
                  mockServer.expect()
                          .get()
                          .withPath("/apis/apps/v1/namespaces/" + namespace.getNamespace() + "/deployments")
                          .andReturn(200, new DeploymentListBuilder().addAllToItems(List.of(updatedDeployment)).build())
                          .once();
  
                  mockServer.expect()
                          .get()
                          .withPath(
                                  "/apis/apps/v1/namespaces/" + namespace.getNamespace() + "/deployments?labelSelector=app%3D"
                                          + name)
                          .andReturn(200, new DeploymentListBuilder().addAllToItems(List.of(updatedDeployment)).build())
                          .once();
              }
  
              // List
              RestAssured.given()
                      .when()
                      .get("/kubernetes/deployment/" + namespace.getNamespace())
                      .then()
                      .statusCode(200)
                      .body("[0].metadata.name", is(name),
                              "[0].metadata.namespace", is(namespace.getNamespace()));
  
              // List by labels
              RestAssured.given()
                      .contentType(ContentType.JSON)
                      .body(Map.of("app", name))
                      .when()
                      .get("/kubernetes/deployment/labels/" + namespace.getNamespace())
                      .then()
                      .statusCode(200)
                      .body("[0].metadata.name", is(name),
                              "[0].metadata.namespace", is(namespace.getNamespace()));
  
              // Scale
              // Requires a real k8s server, as the scale operation returns deployment.getStatus().getReplicas() that is not available in the mock server
              if (mockServer == null) {
                  int scaleReplicas = 1;
                  RestAssured.given()
                          .when()
                          .post("/kubernetes/deployment/" + namespace.getNamespace() + "/" + name + "/" + scaleReplicas)
                          .then()
                          .statusCode(201);
  
                  Awaitility.await().pollInterval(Duration.ofMillis(250)).atMost(Duration.ofMinutes(1)).untilAsserted(() -> {
                      RestAssured.given()
                              .when()
                              .get("/kubernetes/deployment/" + namespace.getNamespace() + "/" + name)
                              .then()
                              .statusCode(200)
                              .body("spec.replicas", is(scaleReplicas));
                  });
              }
  
              // Delete
              RestAssured.given()
                      .when()
                      .delete("/kubernetes/deployment/" + namespace.getNamespace() + "/" + name)
                      .then()
                      .statusCode(204);
  
              Awaitility.await().pollInterval(Duration.ofMillis(250)).atMost(Duration.ofMinutes(1)).untilAsserted(() -> {
                  RestAssured.given()
                          .contentType(ContentType.JSON)
                          .body(Map.of("app", name))
                          .when()
                          .get("/kubernetes/deployment/labels/" + namespace.getNamespace())
                          .then()
                          .statusCode(200)
                          .body("size()", is(0));
              });
          }
      }
  
      @Test
      void deploymentEvents() throws Exception {
          try (CamelKubernetesNamespace namespace = new CamelKubernetesNamespace()) {
              namespace.awaitCreation();
  
              String name = "camel-deployment-watched";
              Deployment deployment = new DeploymentBuilder()
                      .withNewMetadata()
                      .withName(name)
                      .withNamespace(namespace.getNamespace())
                      .endMetadata()
                      .withNewSpec()
                      .withReplicas(0)
                      .withNewSelector()
                      .addToMatchLabels("app", name)
                      .endSelector()
                      .withNewTemplate()
                      .withNewMetadata()
                      .addToLabels("app", name)
                      .endMetadata()
                      .withNewSpec()
                      .addNewContainer()
                      .withName(name)
                      .withImage("busybox:latest")
                      .endContainer()
                      .endSpec()
                      .endTemplate()
                      .endSpec()
                      .build();
  
              if (mockServer != null) {
                  String deploymentEvent = Serialization
                          .asJson(new WatchEventBuilder().withType("ADDED").withObject(deployment).build()) + "\n";
                  String clientNamespace = mockServer.getClient().getNamespace();
                  mockServer.expect()
                          .get()
                          .withPath("/apis/apps/v1/namespaces/" + clientNamespace
                                  + "/deployments?allowWatchBookmarks=true&watch=true")
                          .andReturn(200, deploymentEvent)
                          .always();
              }
  
              RestAssured.given()
                      .queryParam("namespace", namespace.getNamespace())
                      .when()
                      .post("/kubernetes/route/deployment-listener/start")
                      .then()
                      .statusCode(204);
  
              RestAssured.given()
                      .contentType(ContentType.JSON)
                      .body(deployment)
                      .when()
                      .post("/kubernetes/deployment/" + namespace.getNamespace())
                      .then()
                      .statusCode(201)
                      .body("metadata.name", is(name),
                              "metadata.namespace", is(namespace.getNamespace()));
  
              RestAssured.given()
                      .when()
                      .delete("/kubernetes/deployment/" + namespace.getNamespace() + "/" + name)
                      .then()
                      .statusCode(204);
  
              RestAssured.given()
                      .get("/kubernetes/deployment/events")
                      .then()
                      .statusCode(200)
                      .body("metadata.name", is(name),
                              "metadata.namespace", is(namespace.getNamespace()));
          } finally {
              RestAssured.given()
                      .when()
                      .post("/kubernetes/route/deployment-listener/stop")
                      .then()
                      .statusCode(204);
          }
      }
  }
  