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Implement KubernetesActuatorTemplate
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38 changes: 38 additions & 0 deletions
38
...in/java/org/springframework/cloud/deployer/spi/kubernetes/KubernetesActuatorTemplate.java
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright 2022 the original author or 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
|
|
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| package org.springframework.cloud.deployer.spi.kubernetes; | ||
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| import org.springframework.cloud.deployer.spi.app.AbstractActuatorTemplate; | ||
| import org.springframework.cloud.deployer.spi.app.AppDeployer; | ||
| import org.springframework.cloud.deployer.spi.app.AppInstanceStatus; | ||
| import org.springframework.web.client.RestTemplate; | ||
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| /** | ||
| * @author David Turanski | ||
| */ | ||
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| public class KubernetesActuatorTemplate extends AbstractActuatorTemplate { | ||
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| public KubernetesActuatorTemplate(RestTemplate restTemplate, AppDeployer appDeployer) { | ||
| super(restTemplate, appDeployer); | ||
| } | ||
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| protected String actuatorUrlForInstance(AppInstanceStatus appInstanceStatus) { | ||
| return String.format("http://%s:%d/actuator", appInstanceStatus.getAttributes().get("pod.ip"), | ||
| Integer.valueOf(appInstanceStatus.getAttributes().get("actuator.port"))); | ||
| } | ||
| } |
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172 changes: 172 additions & 0 deletions
172
...va/org/springframework/cloud/deployer/spi/kubernetes/KubernetesActuatorTemplateTests.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,172 @@ | ||
| /* | ||
| * Copyright 2022 the original author or 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
|
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| package org.springframework.cloud.deployer.spi.kubernetes; | ||
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| import java.io.IOException; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| import okhttp3.mockwebserver.Dispatcher; | ||
| import okhttp3.mockwebserver.MockResponse; | ||
| import okhttp3.mockwebserver.MockWebServer; | ||
| import okhttp3.mockwebserver.RecordedRequest; | ||
| import org.junit.jupiter.api.AfterAll; | ||
| import org.junit.jupiter.api.BeforeAll; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
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| import org.springframework.cloud.deployer.spi.app.ActuatorOperations; | ||
| import org.springframework.cloud.deployer.spi.app.AppDeployer; | ||
| import org.springframework.cloud.deployer.spi.app.AppInstanceStatus; | ||
| import org.springframework.cloud.deployer.spi.app.AppStatus; | ||
| import org.springframework.cloud.deployer.spi.app.DeploymentState; | ||
| import org.springframework.core.io.ClassPathResource; | ||
| import org.springframework.http.HttpStatus; | ||
| import org.springframework.util.StreamUtils; | ||
| import org.springframework.util.StringUtils; | ||
| import org.springframework.web.client.RestTemplate; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.assertj.core.api.Assertions.assertThatThrownBy; | ||
| import static org.mockito.ArgumentMatchers.anyString; | ||
| import static org.mockito.Mockito.mock; | ||
| import static org.mockito.Mockito.when; | ||
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| public class KubernetesActuatorTemplateTests { | ||
| private static MockWebServer mockActuator; | ||
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| private final AppDeployer appDeployer = mock(AppDeployer.class); | ||
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| private final ActuatorOperations actuatorOperations = new KubernetesActuatorTemplate(new RestTemplate(), appDeployer); | ||
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| private AppInstanceStatus appInstanceStatus; | ||
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| @BeforeAll | ||
| static void setupMockServer() throws IOException { | ||
| mockActuator = new MockWebServer(); | ||
| mockActuator.start(); | ||
| mockActuator.setDispatcher(new Dispatcher() { | ||
| @Override | ||
| public MockResponse dispatch(RecordedRequest recordedRequest) throws InterruptedException { | ||
| switch (recordedRequest.getPath()) { | ||
| case "/actuator/info": | ||
| return new MockResponse().setBody(resourceAsString("actuator-info.json")) | ||
| .addHeader("Content-Type", "application/json").setResponseCode(200); | ||
| case "/actuator/health": | ||
| return new MockResponse().setBody("\"status\":\"UP\"}") | ||
| .addHeader("Content-Type", "application/json").setResponseCode(200); | ||
| case "/actuator/bindings": | ||
| return new MockResponse().setBody(resourceAsString("actuator-bindings.json")) | ||
| .addHeader("Content-Type", "application/json").setResponseCode(200); | ||
| case "/actuator/bindings/input": | ||
| if (recordedRequest.getMethod().equals("GET")) { | ||
| return new MockResponse().setBody(resourceAsString("actuator-binding-input.json")) | ||
| .addHeader("Content-Type", "application/json") | ||
| .setResponseCode(200); | ||
| } | ||
| else if (recordedRequest.getMethod().equals("POST")) { | ||
| if (!StringUtils.hasText(recordedRequest.getBody().toString())) { | ||
| return new MockResponse().setResponseCode(HttpStatus.BAD_REQUEST.value()); | ||
| } | ||
| else { | ||
| return new MockResponse().setBody(recordedRequest.getBody()) | ||
| .addHeader("Content-Type", "application/json").setResponseCode(200); | ||
| } | ||
| } | ||
| else { | ||
| return new MockResponse().setResponseCode(HttpStatus.BAD_REQUEST.value()); | ||
| } | ||
| default: | ||
| return new MockResponse().setResponseCode(HttpStatus.NOT_FOUND.value()); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
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| @AfterAll | ||
| static void tearDown() throws IOException { | ||
| mockActuator.shutdown(); | ||
| } | ||
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| @BeforeEach | ||
| void setUp() { | ||
| appInstanceStatus = mock(AppInstanceStatus.class); | ||
| Map<String, String> attributes = new HashMap<>(); | ||
| attributes.put("pod.ip", "127.0.0.1"); | ||
| attributes.put("actuator.port", String.valueOf(mockActuator.getPort())); | ||
| attributes.put("guid", "test-application-0"); | ||
| when(appInstanceStatus.getAttributes()).thenReturn(attributes); | ||
| when(appInstanceStatus.getState()).thenReturn(DeploymentState.deployed); | ||
| AppStatus appStatus = AppStatus.of("test-application-id") | ||
| .with(appInstanceStatus) | ||
| .build(); | ||
| when(appDeployer.status(anyString())).thenReturn(appStatus); | ||
| } | ||
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| @Test | ||
| void actuatorInfo() { | ||
| Map<String, Object> info = actuatorOperations | ||
| .getFromActuator("test-application-id", "test-application-0", "/info", Map.class); | ||
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| assertThat(((Map<?, ?>) (info.get("app"))).get("name")).isEqualTo("log-sink-rabbit"); | ||
| } | ||
|
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| @Test | ||
| void actuatorBindings() { | ||
| List<?> bindings = actuatorOperations | ||
| .getFromActuator("test-application-id", "test-application-0", "/bindings", List.class); | ||
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| assertThat(((Map<?, ?>) (bindings.get(0))).get("bindingName")).isEqualTo("input"); | ||
| } | ||
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| @Test | ||
| void actuatorBindingInput() { | ||
| Map<String, Object> binding = actuatorOperations | ||
| .getFromActuator("test-application-id", "test-application-0", "/bindings/input", Map.class); | ||
| assertThat(binding.get("bindingName")).isEqualTo("input"); | ||
| } | ||
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| @Test | ||
| void actuatorPostBindingInput() { | ||
| Map<String, Object> state = actuatorOperations | ||
| .postToActuator("test-application-id", "test-application-0", "/bindings/input", | ||
| Collections.singletonMap("state", "STOPPED"), Map.class); | ||
| assertThat(state.get("state")).isEqualTo("STOPPED"); | ||
| } | ||
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| @Test | ||
| void noInstanceDeployed() { | ||
| when(appInstanceStatus.getState()).thenReturn(DeploymentState.failed); | ||
| assertThatThrownBy(() -> { | ||
| actuatorOperations | ||
| .getFromActuator("test-application-id", "test-application-0", "/info", Map.class); | ||
|
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| }).isInstanceOf(IllegalStateException.class).hasMessageContaining("not deployed"); | ||
| } | ||
|
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| private static String resourceAsString(String path) { | ||
| try { | ||
| return StreamUtils.copyToString(new ClassPathResource(path).getInputStream(), StandardCharsets.UTF_8); | ||
| } | ||
| catch (IOException e) { | ||
| throw new RuntimeException(e.getMessage(), e); | ||
| } | ||
| } | ||
| } |
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