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perf: optimizing request plugin bundle resources #4639

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merged 7 commits into from Sep 27, 2023
Merged

perf: optimizing request plugin bundle resources #4639

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b00a0f2
perf: optimizing query for plugin bundle resources
guqing Sep 21, 2023
e4a50e4
Merge branch 'main' into refactor/plugin-bundle
JohnNiang Sep 27, 2023
221fb47
refactor: using databuffer instead of string for plugin bundle resource
guqing Sep 27, 2023
d172a43
Merge branch 'main' into refactor/plugin-bundle
guqing Sep 27, 2023
cb028fe
fix: unit test case
guqing Sep 27, 2023
bd1f1cc
fix: lock outside of try statement
guqing Sep 27, 2023
f58366b
fix: remove synchronized for create temp file
guqing Sep 27, 2023
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168 changes: 147 additions & 21 deletions application/src/main/java/run/halo/app/core/extension/endpoint/PluginEndpoint.java
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Expand Up @@ -3,6 +3,7 @@
import static io.swagger.v3.oas.annotations.media.Schema.RequiredMode.NOT_REQUIRED;
import static io.swagger.v3.oas.annotations.media.Schema.RequiredMode.REQUIRED;
import static java.util.Comparator.comparing;
import static org.apache.commons.lang3.StringUtils.defaultString;
import static org.springdoc.core.fn.builders.apiresponse.Builder.responseBuilder;
import static org.springdoc.core.fn.builders.content.Builder.contentBuilder;
import static org.springdoc.core.fn.builders.parameter.Builder.parameterBuilder;
Expand All @@ -19,11 +20,14 @@
import io.swagger.v3.oas.annotations.enums.ParameterIn;
import io.swagger.v3.oas.annotations.media.ArraySchema;
import io.swagger.v3.oas.annotations.media.Schema;
import java.io.IOException;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
Expand All @@ -33,10 +37,14 @@
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.function.Supplier;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.reactivestreams.Publisher;
import org.springdoc.webflux.core.fn.SpringdocRouteBuilder;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.dao.OptimisticLockingFailureException;
import org.springframework.data.domain.Sort;
Expand All @@ -45,9 +53,13 @@
import org.springframework.http.codec.multipart.FilePart;
import org.springframework.http.codec.multipart.FormFieldPart;
import org.springframework.http.codec.multipart.Part;
import org.springframework.lang.Nullable;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;
import org.springframework.util.FileSystemUtils;
import org.springframework.util.MultiValueMap;
import org.springframework.util.StringUtils;
import org.springframework.web.reactive.function.BodyInserters;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.ServerRequest;
import org.springframework.web.reactive.function.server.ServerResponse;
Expand Down Expand Up @@ -82,6 +94,8 @@ public class PluginEndpoint implements CustomEndpoint {

private final Scheduler scheduler = Schedulers.boundedElastic();

private final BufferedPluginBundleResource bufferedPluginBundleResource;

@Override
public RouterFunction<ServerResponse> endpoint() {
final var tag = "api.console.halo.run/v1alpha1/Plugin";
Expand Down Expand Up @@ -240,36 +254,59 @@ public RouterFunction<ServerResponse> endpoint() {

private Mono<ServerResponse> fetchJsBundle(ServerRequest request) {
Optional<String> versionOption = request.queryParam("v");
if (versionOption.isEmpty()) {
return pluginService.generateJsBundleVersion()
return versionOption.map(s ->
Mono.fromCallable(() -> bufferedPluginBundleResource
.jsBundleResource(s, () -> pluginService.uglifyJsBundle().block())
).flatMap(fsRes -> {
var bodyBuilder = ServerResponse.ok()
.cacheControl(MAX_CACHE_CONTROL)
.contentType(MediaType.valueOf("text/javascript"));
try {
Instant lastModified = Instant.ofEpochMilli(fsRes.lastModified());
return request.checkNotModified(lastModified)
.switchIfEmpty(Mono.defer(() ->
bodyBuilder.lastModified(lastModified)
.body(BodyInserters.fromResource(fsRes)))
);
} catch (IOException e) {
return Mono.error(e);
}
})
)
.orElseGet(() -> pluginService.generateJsBundleVersion()
.flatMap(v -> ServerResponse
.temporaryRedirect(buildJsBundleUri("js", v))
.build()
);
}
return pluginService.uglifyJsBundle()
.defaultIfEmpty("")
.flatMap(bundle -> ServerResponse.ok()
.cacheControl(MAX_CACHE_CONTROL)
.contentType(MediaType.valueOf("text/javascript"))
.bodyValue(bundle)
)
);
}

private Mono<ServerResponse> fetchCssBundle(ServerRequest request) {
Optional<String> versionOption = request.queryParam("v");
if (versionOption.isEmpty()) {
return pluginService.generateJsBundleVersion()
return versionOption.map(s ->
Mono.fromCallable(() -> bufferedPluginBundleResource.cssBundleResource(s,
() -> pluginService.uglifyCssBundle().block())
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).flatMap(fsRes -> {
var bodyBuilder = ServerResponse.ok()
.cacheControl(MAX_CACHE_CONTROL)
.contentType(MediaType.valueOf("text/css"));
try {
Instant lastModified = Instant.ofEpochMilli(fsRes.lastModified());
return request.checkNotModified(lastModified)
.switchIfEmpty(Mono.defer(() ->
bodyBuilder.lastModified(lastModified)
.body(BodyInserters.fromResource(fsRes)))
);
} catch (IOException e) {
return Mono.error(e);
}
})
)
.orElseGet(() -> pluginService.generateJsBundleVersion()
.flatMap(v -> ServerResponse
.temporaryRedirect(buildJsBundleUri("css", v))
.build()
);
}
return pluginService.uglifyCssBundle()
.flatMap(bundle -> ServerResponse.ok()
.cacheControl(MAX_CACHE_CONTROL)
.contentType(MediaType.valueOf("text/css"))
.bodyValue(bundle)
)
);
}

Expand Down Expand Up @@ -353,7 +390,7 @@ private Mono<ServerResponse> updatePluginConfig(ServerRequest request) {
if (!configMapName.equals(configMapNameToUpdate)) {
throw new ServerWebInputException(
"The name from the request body does not match the plugin "
+ "configMapName name.");
+ "configMapName name.");
}
})
.flatMap(configMapToUpdate -> client.fetch(ConfigMap.class, configMapName)
Expand Down Expand Up @@ -482,7 +519,7 @@ public Boolean getEnabled() {
@ArraySchema(uniqueItems = true,
arraySchema = @Schema(name = "sort",
description = "Sort property and direction of the list result. Supported fields: "
+ "creationTimestamp"),
+ "creationTimestamp"),
schema = @Schema(description = "like field,asc or field,desc",
implementation = String.class,
example = "creationTimestamp,desc"))
Expand Down Expand Up @@ -633,4 +670,93 @@ private Mono<Path> writeToTempFile(Publisher<DataBuffer> content) {
.subscribeOn(this.scheduler);
}

@Component
static class BufferedPluginBundleResource implements DisposableBean {
private final Object jsBundleLock = new Object();
private final Object cssBundleLock = new Object();

private FileSystemResource jsBundleResource;
private FileSystemResource cssBundleResource;
private Path tempDir;

public FileSystemResource jsBundleResource(String v, Supplier<String> bundleSupplier) {
synchronized (jsBundleLock) {
var jsResource = writeAndGetBundleResource(jsBundleResource,
tempFileName(v, ".js"), bundleSupplier);
this.jsBundleResource = jsResource;
return jsResource;
}
}

public FileSystemResource cssBundleResource(String v, Supplier<String> bundleSupplier) {
synchronized (cssBundleLock) {
var cssResource = writeAndGetBundleResource(cssBundleResource,
tempFileName(v, ".css"), bundleSupplier);
this.cssBundleResource = cssResource;
return cssResource;
}
}

FileSystemResource writeAndGetBundleResource(FileSystemResource resource, String fileName,
Supplier<String> bundleSupplier) {
if (resourceDoesNotExist(resource)) {
return createAndWriteContent(fileName, bundleSupplier, null);
}
if (fileName.equals(resource.getFilename())) {
return resource;
}
return createAndWriteContent(fileName, bundleSupplier, resource);
}

FileSystemResource createAndWriteContent(String fileName, Supplier<String> bundleSupplier,
@Nullable FileSystemResource fileResource) {
try {
if (fileResource != null) {
Files.deleteIfExists(fileResource.getFile().toPath());
}
var filePath = generateStorePath(fileName);
var newResource = new FileSystemResource(filePath);

String content = defaultString(bundleSupplier.get());
Files.writeString(filePath, content, StandardCharsets.UTF_8);
return newResource;
} catch (IOException e) {
throw new ServerWebInputException("Failed to write bundle file.", null, e);
}
}

Path generateStorePath(String fileName) {
try {
if (tempDirDoesNotExist()) {
this.tempDir = Files.createTempDirectory("halo-plugin-bundle");
}
return Files.createFile(tempDir.resolve(fileName));
} catch (IOException e) {
throw new ServerWebInputException("Failed to create temp file.", null, e);
}
}

boolean tempDirDoesNotExist() {
return tempDir == null || !Files.exists(tempDir);
}

String tempFileName(String v, String suffix) {
Assert.notNull(v, "Version must not be null");
Assert.notNull(suffix, "Suffix must not be null");
return v + suffix;
}

boolean resourceDoesNotExist(Resource resource) {
return resource == null || !resource.exists();
}

@Override
public void destroy() throws Exception {
if (!tempDirDoesNotExist()) {
FileSystemUtils.deleteRecursively(tempDir);
}
this.jsBundleResource = null;
this.cssBundleResource = null;
}
}
}
36 changes: 32 additions & 4 deletions application/src/test/java/run/halo/app/core/extension/endpoint/PluginEndpointTest.java
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@@ -1,6 +1,7 @@
package run.halo.app.core.extension.endpoint;

import static java.util.Objects.requireNonNull;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.argThat;
Expand All @@ -16,6 +17,7 @@
import com.github.zafarkhaja.semver.Version;
import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
Expand Down Expand Up @@ -130,8 +132,8 @@ void shouldFilterPluginsWhenKeywordProvided() {

verify(client).list(same(Plugin.class), argThat(
predicate -> predicate.test(expectPlugin)
&& !predicate.test(unexpectedPlugin1)
&& !predicate.test(unexpectedPlugin2)),
&& !predicate.test(unexpectedPlugin1)
&& !predicate.test(unexpectedPlugin2)),
any(), anyInt(), anyInt());
}

Expand All @@ -158,8 +160,8 @@ void shouldFilterPluginsWhenEnabledProvided() {

verify(client).list(same(Plugin.class), argThat(
predicate -> predicate.test(expectPlugin)
&& !predicate.test(unexpectedPlugin1)
&& !predicate.test(unexpectedPlugin2)),
&& !predicate.test(unexpectedPlugin1)
&& !predicate.test(unexpectedPlugin2)),
any(), anyInt(), anyInt());
}

Expand Down Expand Up @@ -382,4 +384,30 @@ Plugin createPlugin(String name, Instant creationTimestamp) {
plugin.setSpec(spec);
return plugin;
}

@Nested
class BufferedPluginBundleResourceTest {
private final PluginEndpoint.BufferedPluginBundleResource bufferedPluginBundleResource =
new PluginEndpoint.BufferedPluginBundleResource();

@Test
void writeAndGetResourceTest() throws IOException {
var resource =
bufferedPluginBundleResource.jsBundleResource("1", () -> "first line\nnext line");
var content = resource.getContentAsString(StandardCharsets.UTF_8);
assertThat(content).isEqualTo("first line\nnext line");

// version is matched, should return cached content
resource =
bufferedPluginBundleResource.jsBundleResource("1", () -> "first line\nnext line-1");
content = resource.getContentAsString(StandardCharsets.UTF_8);
assertThat(content).isEqualTo("first line\nnext line");

// new version should return new content
resource =
bufferedPluginBundleResource.jsBundleResource("2", () -> "first line\nnext line-2");
content = resource.getContentAsString(StandardCharsets.UTF_8);
assertThat(content).isEqualTo("first line\nnext line-2");
}
}
}