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File-based settings health indicator (elastic#117081)
* Add FileSettingsService health indicator * spotless * YELLOW for any failure, plus most_recent_failure
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90 changes: 90 additions & 0 deletions
90
...java/org/elasticsearch/reservedstate/service/FileSettingsHealthIndicatorServiceTests.java
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| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the "Elastic License | ||
| * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side | ||
| * Public License v 1"; you may not use this file except in compliance with, at | ||
| * your election, the "Elastic License 2.0", the "GNU Affero General Public | ||
| * License v3.0 only", or the "Server Side Public License, v 1". | ||
| */ | ||
|
|
||
| package org.elasticsearch.reservedstate.service; | ||
|
|
||
| import org.elasticsearch.health.HealthIndicatorDetails; | ||
| import org.elasticsearch.health.HealthIndicatorResult; | ||
| import org.elasticsearch.health.SimpleHealthIndicatorDetails; | ||
| import org.elasticsearch.reservedstate.service.FileSettingsService.FileSettingsHealthIndicatorService; | ||
| import org.elasticsearch.test.ESTestCase; | ||
| import org.junit.Before; | ||
|
|
||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
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| import static org.elasticsearch.health.HealthStatus.GREEN; | ||
| import static org.elasticsearch.health.HealthStatus.YELLOW; | ||
| import static org.elasticsearch.reservedstate.service.FileSettingsService.FileSettingsHealthIndicatorService.FAILURE_SYMPTOM; | ||
| import static org.elasticsearch.reservedstate.service.FileSettingsService.FileSettingsHealthIndicatorService.NO_CHANGES_SYMPTOM; | ||
| import static org.elasticsearch.reservedstate.service.FileSettingsService.FileSettingsHealthIndicatorService.STALE_SETTINGS_IMPACT; | ||
| import static org.elasticsearch.reservedstate.service.FileSettingsService.FileSettingsHealthIndicatorService.SUCCESS_SYMPTOM; | ||
|
|
||
| /** | ||
| * Here, we test {@link FileSettingsHealthIndicatorService} in isolation; | ||
| * we do not test that {@link FileSettingsService} uses it correctly. | ||
| */ | ||
| public class FileSettingsHealthIndicatorServiceTests extends ESTestCase { | ||
|
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| FileSettingsHealthIndicatorService healthIndicatorService; | ||
|
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| @Before | ||
| public void initialize() { | ||
| healthIndicatorService = new FileSettingsHealthIndicatorService(); | ||
| } | ||
|
|
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| public void testInitiallyGreen() { | ||
| assertEquals( | ||
| new HealthIndicatorResult("file_settings", GREEN, NO_CHANGES_SYMPTOM, HealthIndicatorDetails.EMPTY, List.of(), List.of()), | ||
| healthIndicatorService.calculate(false, null) | ||
| ); | ||
| } | ||
|
|
||
| public void testGreenYellowYellowGreen() { | ||
| healthIndicatorService.changeOccurred(); | ||
| // This is a strange case: a change occurred, but neither success nor failure have been reported yet. | ||
| // While the change is still in progress, we don't change the status. | ||
| assertEquals( | ||
| new HealthIndicatorResult("file_settings", GREEN, SUCCESS_SYMPTOM, HealthIndicatorDetails.EMPTY, List.of(), List.of()), | ||
| healthIndicatorService.calculate(false, null) | ||
| ); | ||
|
|
||
| healthIndicatorService.failureOccurred("whoopsie 1"); | ||
| assertEquals( | ||
| new HealthIndicatorResult( | ||
| "file_settings", | ||
| YELLOW, | ||
| FAILURE_SYMPTOM, | ||
| new SimpleHealthIndicatorDetails(Map.of("failure_streak", 1L, "most_recent_failure", "whoopsie 1")), | ||
| STALE_SETTINGS_IMPACT, | ||
| List.of() | ||
| ), | ||
| healthIndicatorService.calculate(false, null) | ||
| ); | ||
|
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||
| healthIndicatorService.failureOccurred("whoopsie #2"); | ||
| assertEquals( | ||
| new HealthIndicatorResult( | ||
| "file_settings", | ||
| YELLOW, | ||
| FAILURE_SYMPTOM, | ||
| new SimpleHealthIndicatorDetails(Map.of("failure_streak", 2L, "most_recent_failure", "whoopsie #2")), | ||
| STALE_SETTINGS_IMPACT, | ||
| List.of() | ||
| ), | ||
| healthIndicatorService.calculate(false, null) | ||
| ); | ||
|
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| healthIndicatorService.successOccurred(); | ||
| assertEquals( | ||
| new HealthIndicatorResult("file_settings", GREEN, SUCCESS_SYMPTOM, HealthIndicatorDetails.EMPTY, List.of(), List.of()), | ||
| healthIndicatorService.calculate(false, null) | ||
| ); | ||
| } | ||
| } |
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