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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.maintenance.disk;
import com.yahoo.vespa.test.file.TestFileSystem;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.nio.file.FileSystem;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.FileTime;
import java.time.Instant;
import java.util.Map;
import java.util.TreeMap;
import java.util.stream.Collectors;
import static com.yahoo.vespa.hosted.node.admin.maintenance.disk.DiskCleanupRule.PrioritizedFileAttributes;
import static com.yahoo.vespa.hosted.node.admin.maintenance.disk.DiskCleanupRule.Priority;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author freva
*/
public class CoredumpCleanupRuleTest {
private final FileSystem fileSystem = TestFileSystem.create();
@Test
void for_container_test() throws IOException {
Path path = fileSystem.getPath("/test/path");
DiskCleanupRule rule = CoredumpCleanupRule.forContainer(path);
assertPriorities(rule, Map.of());
createFile(path.resolve("core1"), Instant.ofEpochSecond(232));
assertPriorities(rule, Map.of("/test/path/core1", Priority.MEDIUM));
createFile(path.resolve("core2"), Instant.ofEpochSecond(123));
assertPriorities(rule, Map.of(
"/test/path/core2", Priority.MEDIUM,
"/test/path/core1", Priority.HIGHEST));
createFile(path.resolve("vespa-proton-bin.core.325"), Instant.ofEpochSecond(456));
createFile(path.resolve("vespa-distributor.core.764"), Instant.ofEpochSecond(256));
var expected = Map.of(
"/test/path/core2", Priority.HIGHEST,
"/test/path/core1", Priority.HIGHEST,
"/test/path/vespa-proton-bin.core.325", Priority.HIGHEST,
"/test/path/vespa-distributor.core.764", Priority.MEDIUM);
assertPriorities(rule, expected);
// processing core has no effect on this
Files.createDirectories(path.resolve("processing/abcd-1234"));
createFile(path.resolve("processing/abcd-1234/core5"), Instant.ofEpochSecond(67));
assertPriorities(rule, expected);
}
@Test
void for_host_test() throws IOException {
Path path = fileSystem.getPath("/test/path");
DiskCleanupRule rule = CoredumpCleanupRule.forHost(path);
assertPriorities(rule, Map.of());
createFile(path.resolve("h123a/abcd-1234/dump_core1"), Instant.parse("2020-04-21T19:21:00Z"));
createFile(path.resolve("h123a/abcd-1234/metadata.json"), Instant.parse("2020-04-21T19:26:00Z"));
assertPriorities(rule, Map.of("/test/path/h123a/abcd-1234/dump_core1", Priority.MEDIUM));
createFile(path.resolve("h123a/abcd-efgh/dump_core1"), Instant.parse("2020-04-21T07:13:00Z"));
createFile(path.resolve("h123a/56ad-af42/dump_vespa-distributor.321"), Instant.parse("2020-04-21T23:37:00Z"));
createFile(path.resolve("h123a/4324-a23d/dump_core2"), Instant.parse("2020-04-22T04:56:00Z"));
createFile(path.resolve("h123a/8534-7da3/dump_vespa-proton-bin.123"), Instant.parse("2020-04-19T15:35:00Z"));
// Also create a core for a second container: h123b
createFile(path.resolve("h123b/db1a-ab34/dump_core1"), Instant.parse("2020-04-21T07:01:00Z"));
createFile(path.resolve("h123b/7392-59ad/dump_vespa-proton-bin.342"), Instant.parse("2020-04-22T12:05:00Z"));
assertPriorities(rule, Map.of(
"/test/path/h123a/abcd-1234/dump_core1", Priority.HIGH,
"/test/path/h123a/abcd-efgh/dump_core1", Priority.HIGH,
// Although it is the oldest core of the day for h123a, it is the first one that starts with vespa-
"/test/path/h123a/56ad-af42/dump_vespa-distributor.321", Priority.MEDIUM,
"/test/path/h123a/4324-a23d/dump_core2", Priority.MEDIUM,
"/test/path/h123a/8534-7da3/dump_vespa-proton-bin.123", Priority.MEDIUM,
"/test/path/h123b/db1a-ab34/dump_core1", Priority.MEDIUM,
"/test/path/h123b/7392-59ad/dump_vespa-proton-bin.342", Priority.MEDIUM
));
}
private static void createFile(Path path, Instant instant) throws IOException {
Files.createDirectories(path.getParent());
Files.createFile(path);
Files.setLastModifiedTime(path, FileTime.from(instant));
}
private static void assertPriorities(DiskCleanupRule rule, Map<String, Priority> expected) {
Map<String, Priority> actual = rule.prioritize().stream()
.collect(Collectors.toMap(pfa -> pfa.fileAttributes().path().toString(), PrioritizedFileAttributes::priority));
assertEquals(new TreeMap<>(expected), new TreeMap<>(actual));
}
}
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