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Treat configuration-cache as an extracted entry

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Instead of using a fallback strategy to locate a configuration-cache entry
based on the current job and git SHA, these entries are now keyed based on their
file content with the keys persisted in the primary Gradle User Home entry.

This removes the chance of having a configuration-cache entry restored that is
incompatible with the restored Gradle User Home state, and makes the logic easier
to understand.

This change involved a fairly major refactor, with the CacheEntryExtractor being
split out from the primary cache implementation, and adding a separate extractor
implementation for configuration-cache.
This commit is contained in:
Daz DeBoer
2021-12-29 16:07:33 -07:00
parent 12fc52a49a
commit 76ea8a76b2
9 changed files with 661 additions and 586 deletions
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36
src/caches.ts
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@@ -1,8 +1,7 @@
import * as core from '@actions/core'
import {GradleUserHomeCache} from './cache-gradle-user-home'
import {ProjectDotGradleCache} from './cache-project-dot-gradle'
import {isCacheDisabled, isCacheReadOnly} from './cache-utils'
import {logCachingReport, CacheListener} from './cache-reporting'
import {GradleStateCache} from './cache-base'
const CACHE_RESTORED_VAR = 'GRADLE_BUILD_ACTION_CACHE_RESTORED'
const GRADLE_USER_HOME = 'GRADLE_USER_HOME'
@@ -13,29 +12,22 @@ export async function restore(gradleUserHome: string): Promise<void> {
return
}
const gradleUserHomeCache = new GradleUserHomeCache(gradleUserHome)
gradleUserHomeCache.init()
const projectDotGradleCache = new ProjectDotGradleCache(gradleUserHome)
projectDotGradleCache.init()
const gradleStateCache = new GradleStateCache(gradleUserHome)
gradleStateCache.init()
await core.group('Restore Gradle state from cache', async () => {
core.saveState(GRADLE_USER_HOME, gradleUserHome)
const cacheListener = new CacheListener()
await gradleUserHomeCache.restore(cacheListener)
if (cacheListener.fullyRestored) {
// Only restore the configuration-cache if the Gradle Home is fully restored
await projectDotGradleCache.restore(cacheListener)
} else {
// Otherwise, prepare the cache key for later save()
core.info('Gradle Home cache not fully restored: not restoring configuration-cache state')
projectDotGradleCache.prepareCacheKey()
}
await gradleStateCache.restore(cacheListener)
core.saveState(CACHE_LISTENER, cacheListener.stringify())
})
// Export var that is detected in all later restore steps
core.exportVariable(CACHE_RESTORED_VAR, true)
// Export state that is detected in corresponding post-action step
core.saveState(CACHE_RESTORED_VAR, true)
}
export async function save(): Promise<void> {
@@ -53,10 +45,7 @@ export async function save(): Promise<void> {
await core.group('Caching Gradle state', async () => {
const gradleUserHome = core.getState(GRADLE_USER_HOME)
return Promise.all([
new GradleUserHomeCache(gradleUserHome).save(cacheListener),
new ProjectDotGradleCache(gradleUserHome).save(cacheListener)
])
return new GradleStateCache(gradleUserHome).save(cacheListener)
})
logCachingReport(cacheListener)
@@ -72,11 +61,6 @@ function shouldRestoreCaches(): boolean {
core.info('Cache only restored on first action step.')
return false
}
// Export var that is detected in all later restore steps
core.exportVariable(CACHE_RESTORED_VAR, true)
// Export state that is detected in corresponding post-action step
core.saveState(CACHE_RESTORED_VAR, true)
return true
}