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Use Gradle 8.8 features for cleanup

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Gradle 8.8 introduces new features that allow us to avoid using
timestamp manipulation to force the cleanup of the Gradle User Home directory.

This solution is simpler and more robust, but relies on Gradle 8.8+ always being
used for the cache cleanup operation.

Fixes #24
This commit is contained in:
daz
2024-03-21 19:03:05 -06:00
parent 169bec5d8b
commit 95ef72241e
2 changed files with 58 additions and 42 deletions
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67
sources/src/caching/cache-cleaner.ts
View File

@@ -1,5 +1,4 @@
import * as core from '@actions/core'
import * as glob from '@actions/glob'
import fs from 'fs'
import path from 'path'
import {provisionAndMaybeExecute} from '../execution/gradle'
@@ -13,25 +12,20 @@ export class CacheCleaner {
this.tmpDir = tmpDir
}
async prepare(): Promise<void> {
// Reset the file-access journal so that files appear not to have been used recently
fs.rmSync(path.resolve(this.gradleUserHome, 'caches/journal-1'), {recursive: true, force: true})
fs.mkdirSync(path.resolve(this.gradleUserHome, 'caches/journal-1'), {recursive: true})
fs.writeFileSync(
path.resolve(this.gradleUserHome, 'caches/journal-1/file-access.properties'),
'inceptionTimestamp=0'
)
// Set the modification time of all files to the past: this timestamp is used when there is no matching entry in the journal
await this.ageAllFiles()
// Touch all 'gc' files so that cache cleanup won't run immediately.
await this.touchAllFiles('gc.properties')
async prepare(): Promise<string> {
// Save the current timestamp
const timestamp = Date.now().toString()
core.saveState('clean-timestamp', timestamp)
return timestamp
}
async forceCleanup(): Promise<void> {
// Age all 'gc' files so that cache cleanup will run immediately.
await this.ageAllFiles('gc.properties')
const cleanTimestamp = core.getState('clean-timestamp')
await this.forceCleanupFilesOlderThan(cleanTimestamp)
}
async forceCleanupFilesOlderThan(cleanTimestamp: string): Promise<void> {
core.info(`Cleaning up caches before ${cleanTimestamp}`)
// Run a dummy Gradle build to trigger cache cleanup
const cleanupProjectDir = path.resolve(this.tmpDir, 'dummy-cleanup-project')
@@ -40,11 +34,31 @@ export class CacheCleaner {
path.resolve(cleanupProjectDir, 'settings.gradle'),
'rootProject.name = "dummy-cleanup-project"'
)
fs.writeFileSync(
path.resolve(cleanupProjectDir, 'init.gradle'),
`
beforeSettings { settings ->
def cleanupTime = ${cleanTimestamp}
settings.caches {
cleanup = Cleanup.ALWAYS
releasedWrappers.removeUnusedEntriesOlderThan.set(cleanupTime)
snapshotWrappers.removeUnusedEntriesOlderThan.set(cleanupTime)
downloadedResources.removeUnusedEntriesOlderThan.set(cleanupTime)
createdResources.removeUnusedEntriesOlderThan.set(cleanupTime)
buildCache.removeUnusedEntriesOlderThan.set(cleanupTime)
}
}
`
)
fs.writeFileSync(path.resolve(cleanupProjectDir, 'build.gradle'), 'task("noop") {}')
await provisionAndMaybeExecute('current', cleanupProjectDir, [
'-g',
this.gradleUserHome,
'-I',
'init.gradle',
'--quiet',
'--no-daemon',
'--no-scan',
@@ -53,23 +67,4 @@ export class CacheCleaner {
'noop'
])
}
private async ageAllFiles(fileName = '*'): Promise<void> {
core.debug(`Aging all files in Gradle User Home with name ${fileName}`)
await this.setUtimes(`${this.gradleUserHome}/**/${fileName}`, new Date(0))
}
private async touchAllFiles(fileName = '*'): Promise<void> {
core.debug(`Touching all files in Gradle User Home with name ${fileName}`)
await this.setUtimes(`${this.gradleUserHome}/**/${fileName}`, new Date())
}
private async setUtimes(pattern: string, timestamp: Date): Promise<void> {
const globber = await glob.create(pattern, {
implicitDescendants: false
})
for await (const file of globber.globGenerator()) {
fs.utimesSync(file, timestamp, timestamp)
}
}
}