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ElasticSearch.scala
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ElasticSearch.scala
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package lib.elasticsearch
import akka.actor.Scheduler
import com.gu.mediaservice.lib.ImageFields
import com.gu.mediaservice.lib.elasticsearch.filters
import com.gu.mediaservice.lib.elasticsearch.{ElasticSearchClient, ElasticSearchConfig, ElasticSearchExecutions, ReapableEligibility, Running}
import com.gu.mediaservice.lib.formatting.printDateTime
import com.gu.mediaservice.lib.logging.{LogMarker, MarkerMap}
import com.gu.mediaservice.model._
import com.gu.mediaservice.model.leases.MediaLease
import com.gu.mediaservice.model.usage.Usage
import com.gu.mediaservice.syntax._
import com.sksamuel.elastic4s.ElasticDsl._
import com.sksamuel.elastic4s.requests.script.Script
import com.sksamuel.elastic4s.requests.searches.{SearchRequest, SearchResponse}
import com.sksamuel.elastic4s.requests.searches.queries.Query
import com.sksamuel.elastic4s.requests.searches.queries.compound.BoolQuery
import com.sksamuel.elastic4s.requests.searches.sort.SortOrder
import com.sksamuel.elastic4s.requests.update.UpdateRequest
import com.sksamuel.elastic4s.{ElasticDsl, Executor, Functor, Handler, Response}
import lib.ThrallMetrics
import org.joda.time.{DateTime, ReadableDuration}
import play.api.libs.json._
import scala.annotation.nowarn
import scala.concurrent.duration.{DurationInt, FiniteDuration}
import scala.concurrent.{ExecutionContext, Future}
object ImageNotDeletable extends Throwable("Image cannot be deleted")
class ElasticSearch(
config: ElasticSearchConfig,
metrics: Option[ThrallMetrics],
val scheduler: Scheduler
) extends ElasticSearchClient with ImageFields with ElasticSearchExecutions with ThrallMigrationClient {
lazy val imagesCurrentAlias: String = config.aliases.current
lazy val imagesMigrationAlias: String = config.aliases.migration
lazy val url: String = config.url
lazy val cluster: String = config.cluster
lazy val shards: Int = config.shards
lazy val replicas: Int = config.replicas
def migrationAwareUpdater[REQUEST, RESPONSE](
requestFromIndexName: String => REQUEST,
logMessageFromIndexName: String => String,
notFoundSuccessful: Boolean = false,
)(implicit
ex: ExecutionContext,
functor: Functor[Future],
executor: Executor[Future],
handler: Handler[REQUEST, RESPONSE],
manifest: Manifest[RESPONSE],
logMarkers: LogMarker
): Future[Response[RESPONSE]] = {
// if doc does not exist in migration index, ignore (ie. mark as successful).
// coalesce all other errors.
val runForCurrentIndex: Future[Option[Response[RESPONSE]]] = executeAndLog(requestFromIndexName(imagesCurrentAlias), logMessageFromIndexName(imagesCurrentAlias), notFoundSuccessful).map(Some(_))
// Update requests to the alias throw if the alias does not exist, but the exception is very generic and not cause is not obvious
// ("index names must be all upper case")
val runForMigrationIndex: Future[Option[Response[RESPONSE]]] = migrationStatus match {
case _: Running => executeAndLog(requestFromIndexName(imagesMigrationAlias), logMessageFromIndexName(imagesMigrationAlias), notFoundSuccessful = true).map(Some(_))
case _ => Future.successful(None)
}
// remove the optionality of the completed futures. runForCurrentIndex will always be Some, so there will always be a head.
Future.sequence(List(runForCurrentIndex, runForMigrationIndex)).map(_.flatten.head)
}
def setMigrationInfo(imageId: String, migrationInfo: MigrationInfo)(implicit ex: ExecutionContext, logMarker: LogMarker): Future[Response[Any]] = {
val esInfo = EsInfo(migration = Some(migrationInfo))
val container = Json.obj("esInfo" -> Json.toJson(esInfo))
val request = updateById(imagesCurrentAlias, imageId)
.doc(Json.stringify(container))
executeAndLog(request, s"Setting migration info on image id: ${imageId}")
}
def directInsert(image: Image, indexName: String)(implicit ex: ExecutionContext, logMarker: LogMarker): Future[ElasticSearchInsertResponse] =
executeAndLog(
indexInto(indexName).id(image.id).source(Json.stringify(Json.toJson(image))),
s"ES6 indexing image ${image.id} into index '$indexName'"
).map(indexResponse =>
ElasticSearchInsertResponse(indexResponse.result.index)
)
def migrationAwareIndexImage(id: String, image: Image, lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): Future[ElasticSearchUpdateResponse] = {
// On insert, we know we will not have a lastModified to consider, so we always take the one we get
val insertImage = image.copy(lastModified = Some(lastModified))
val insertImageAsJson = Json.toJson(insertImage)
def runUpsertIntoIndex(indexAlias: String, maybeEsInfo: Option[JsObject]) = {
val esInfo = maybeEsInfo.getOrElse(JsObject.empty)
// On update, we do not want to take the one we have been given unless it is newer - see updateLastModifiedScript script
val updateImage = image.copy(lastModified = None)
val upsertImageAsJson = Json.toJson(updateImage)
val painlessSource =
// If there are old identifiers, then merge any new identifiers into old and use the merged results as the new identifiers
"""
| if (ctx._source.identifiers != null) {
| ctx._source.identifiers.putAll(params.update_doc.identifiers);
| params.update_doc.identifiers = ctx._source.identifiers
| }
|
| ctx._source.putAll(params.update_doc);
|
| if (ctx._source.metadata != null && ctx._source.metadata.credit != null) {
| ctx._source.suggestMetadataCredit = [ "input": [ ctx._source.metadata.credit ] ]
| }
"""
val scriptSource = loadUpdatingModificationPainless(s"""
|$painlessSource
|$refreshEditsScript
| """)
val script: Script = prepareScript(scriptSource, lastModified,
("update_doc", asNestedMap(asImageUpdate(upsertImageAsJson.as[JsObject] ++ esInfo)))
)
val indexRequest = updateById(indexAlias, id).
upsert(Json.stringify(insertImageAsJson.as[JsObject] ++ esInfo)).
script(script)
executeAndLog(indexRequest, s"ES6 indexing image $id into index aliased by '$indexAlias'")
}
val runUpsertIntoMigrationIndexAndReturnEsInfoForCurrentIndex: Future[JsObject] = migrationStatus match {
case running: Running =>
runUpsertIntoIndex(imagesMigrationAlias, maybeEsInfo = None)
.map(_ => EsInfo(Some(MigrationInfo(migratedTo = Some(running.migrationIndexName)))))
.recover { case error => EsInfo(Some(MigrationInfo(failures = Some(Map(
running.migrationIndexName -> error.getMessage
))))) }
.map(esInfo => Json.obj("esInfo" -> Json.toJson(esInfo)))
case _ => Future.successful(JsObject.empty)
}
for {
esInfo <- runUpsertIntoMigrationIndexAndReturnEsInfoForCurrentIndex
_ <- runUpsertIntoIndex(imagesCurrentAlias, maybeEsInfo = Some(esInfo))
} yield ElasticSearchUpdateResponse()
}
def getImage(id: String)(implicit ex: ExecutionContext, logMarker: LogMarker): Future[Option[Image]] = {
executeAndLog(get(imagesCurrentAlias, id), s"ES6 get image by $id").map { r =>
if (r.result.found) {
Some(Json.parse(r.result.sourceAsString).as[Image])
} else {
None
}
}
}
def getImageVersion(id: String)(implicit ex: ExecutionContext, logMarker: LogMarker = MarkerMap()): Future[Option[Long]] = {
executeAndLog(get(imagesCurrentAlias, id), s"ES6 get image version by $id").map { r =>
if (r.result.found) {
Some(r.result.version)
} else {
None
}
}
}
def updateImageUsages(id: String, usages: Seq[Usage], lastModified: DateTime)
(implicit ex: ExecutionContext,logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val replaceUsagesScript = loadUpdatingModificationPainless(s"""
| def lastUpdatedDate = ctx._source.usagesLastModified != null ? Date.from(Instant.from(DateTimeFormatter.ISO_DATE_TIME.parse(ctx._source.usagesLastModified))) : null;
| if (lastUpdatedDate == null || modificationDate.after(lastUpdatedDate)) {
| ctx._source.usages = params.usages;
| ctx._source.usagesLastModified = params.lastModified;
| }
""")
val usagesParameter = usages.map(i => asNestedMap(Json.toJson(i)))
val eventualUpdateResponse = migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, replaceUsagesScript, lastModified, ("usages", usagesParameter)),
logMessageFromIndexName = indexName => s"ES6 updating usages on image $id for index $indexName"
).incrementOnFailure(metrics.map(_.failedUsagesUpdates)){case _ => true}
List(eventualUpdateResponse.map(_ => ElasticSearchUpdateResponse()))
}
def updateImageSyndicationRights(id: String, rights: Option[SyndicationRights], lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val replaceSyndicationRightsScript = """
| ctx._source.syndicationRights = params.syndicationRights;
""".stripMargin
val rightsParameter = rights.map(sr => asNestedMap(sr)).orNull
val scriptSource = loadUpdatingModificationPainless(replaceSyndicationRightsScript)
List(migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, scriptSource, lastModified, ("syndicationRights", rightsParameter)),
logMessageFromIndexName = indexName => s"ES6 updating syndicationRights on image $id in index $indexName with rights $rightsParameter"
).map(_ => ElasticSearchUpdateResponse()))
}
def applyImageMetadataOverride(id: String, metadata: Edits, lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val photoshootSuggestionScript = """
| if (ctx._source.userMetadata.photoshoot != null) {
| ctx._source.userMetadata.photoshoot.suggest = [ "input": [ ctx._source.userMetadata.photoshoot.title ] ];
| }
""".stripMargin
val metadataParameter = JsDefined(Json.toJson(metadata)).toOption.map(asNestedMap).orNull
val replaceUserMetadata =
"""
| def lastUpdatedDate = ctx._source.userMetadataLastModified != null ? Date.from(Instant.from(DateTimeFormatter.ISO_DATE_TIME.parse(ctx._source.userMetadataLastModified))) : null;
| if (lastUpdatedDate == null || modificationDate.after(lastUpdatedDate)) {
| ctx._source.userMetadata = params.userMetadata;
| ctx._source.userMetadataLastModified = params.lastModified;
| }
| """
val scriptSource = loadUpdatingModificationPainless(
s"""
| $replaceUserMetadata
| $refreshEditsScript
| $photoshootSuggestionScript
"""
)
/* TODO: It should never be possible for Edits to have an empty lastModified although there will be
* messages in the stream where it is missing until the stream content expires so we fall back for now but can
* remove this in a week or so after merging */
if (metadata.lastModified.isEmpty) logger.warn(logMarker, "edit object missing last modified value")
val appliedLastModified = metadata.lastModified.getOrElse(lastModified)
List(migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(
indexName = indexName,
id = id,
scriptSource = scriptSource,
lastModified = appliedLastModified,
("userMetadata", metadataParameter)
),
logMessageFromIndexName = indexName => s"ES6 updating user metadata on image $id in index $indexName with lastModified $appliedLastModified"
).map(_ => ElasticSearchUpdateResponse()))
}
private def softDeletedMetadataAsPainlessScript(softDeletedMetadata: SoftDeletedMetadata) = {
val applySoftDeleteScript = "ctx._source.softDeletedMetadata = params.softDeletedMetadata;"
val softDeletedMetadataParameter = JsDefined(Json.toJson(softDeletedMetadata)).toOption.map(asNestedMap).orNull
prepareScript(
applySoftDeleteScript,
lastModified = softDeletedMetadata.deleteTime,
("softDeletedMetadata", softDeletedMetadataParameter)
)
}
def applySoftDelete(id: String, softDeletedMetadata: SoftDeletedMetadata, lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
List(migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(
indexName,
id,
softDeletedMetadataAsPainlessScript(softDeletedMetadata),
),
logMessageFromIndexName = indexName => s"ES7 soft delete image $id in $indexName by ${softDeletedMetadata.deletedBy}"
).map(_ => ElasticSearchUpdateResponse()))
}
def applyUnSoftDelete(id: String, lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val applyUnSoftDeleteScript = "ctx._source.remove(\"softDeletedMetadata\");"
List(migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(
indexName,
id,
applyUnSoftDeleteScript,
lastModified
),
logMessageFromIndexName = indexName => s"ES7 un soft delete image $id in $indexName"
).map(_ => ElasticSearchUpdateResponse()))
}
def countImagesIngestedInLast(duration: FiniteDuration)(now: DateTime)(implicit ex: ExecutionContext, logMarker: LogMarker): Future[Long] = executeAndLog(
ElasticDsl.count(imagesCurrentAlias).query(
filters.date("uploadTime", from = now minusMillis duration.toMillis.toInt, to = now)
),
s"count images in the last $duration (relative to $now)"
).map(_.result.count)
private def getNextBatchOfImageIdsForDeletion(query: Query, count: Int, deletionType: String)
(implicit ex: ExecutionContext, logMarker: LogMarker) =
executeAndLog(
ElasticDsl.search(imagesCurrentAlias) // current index is sufficient for producing the list of IDs to delete
.query(query)
.storedFields("_id")
.sortByFieldAsc("uploadTime")
.size(count),
s"ES7 searching for oldest $count images to $deletionType delete"
).map(_.result.hits.hits.map(_.id).toSet)
def softDeleteNextBatchOfImages(isReapable: ReapableEligibility, count: Int, softDeletedMetadata: SoftDeletedMetadata)
(implicit ex: ExecutionContext, logMarker: LogMarker): Future[Set[String]] = {
val query = must(
isReapable.query,
filters.existsOrMissing("softDeletedMetadata", exists = false) // not already soft deleted
)
for {
ids <- getNextBatchOfImageIdsForDeletion(query, count, "soft")
// unfortunately 'updateByQuery' doesn't return the affected IDs so can't do this whole thing in one operation - https://github.com/elastic/elasticsearch/issues/48624
actuallyMarkedAsSoftDeleted <- migrationAwareUpdater(
requestFromIndexName = indexName =>
updateByQuery(
indexName,
idsQuery(ids),
).script(softDeletedMetadataAsPainlessScript(softDeletedMetadata)).waitForCompletion(true),
logMessageFromIndexName = indexName => s"ES7 soft delete ${ids.size} images in $indexName by ${softDeletedMetadata.deletedBy}"
).map(_.result.updated)
} yield {
if (actuallyMarkedAsSoftDeleted != ids.size) {
throw new Exception(s"Expected to soft delete ${ids.size} images but only $actuallyMarkedAsSoftDeleted were marked as soft deleted in ES")
}
ids
}
}
def hardDeleteNextBatchOfImages(isReapable: ReapableEligibility, count: Int)
(implicit ex: ExecutionContext, logMarker: LogMarker): Future[Set[String]] = {
val query = must(
isReapable.query,
filters.existsOrMissing("softDeletedMetadata", exists = true), // already soft deleted
rangeQuery("softDeletedMetadata.deleteTime").lt(DateTime.now.minusWeeks(2).toString) // soft deleted more than 2 weeks ago
)
for {
ids <- getNextBatchOfImageIdsForDeletion(query, count, "hard")
// unfortunately 'deleteByQuery' doesn't return the affected IDs so can't do this whole thing in one operation - https://github.com/elastic/elasticsearch/issues/45460
actuallyDeletedFromES <- migrationAwareUpdater(
requestFromIndexName = indexName =>
deleteByQuery(
indexName,
idsQuery(ids),
).waitForCompletion(true),
logMessageFromIndexName = indexName => s"ES7 hard delete ${ids.size} images in $indexName"
).map(_.result.left.map(_.deleted).getOrElse(0))
} yield {
if (actuallyDeletedFromES != ids.size) {
throw new Exception(s"Expected to hard delete ${ids.size} images but only $actuallyDeletedFromES were hard deleted from ES")
}
ids
}
}
def getInferredSyndicationRightsImages(photoshoot: Photoshoot, excludedImageId: Option[String])
(implicit ex: ExecutionContext, logMarker: LogMarker): Future[List[Image]] = { // TODO could be a Seq
val inferredSyndicationRights = not(termQuery("syndicationRights.isInferred", false)) // Using 'not' to include nulls
val filter = excludedImageId match {
case Some(imageId) => boolQuery must(
inferredSyndicationRights,
not(idsQuery(imageId))
)
case _ => inferredSyndicationRights
}
val filteredMatches: BoolQuery = boolQuery must(
matchQuery(photoshootField("title"), photoshoot.title),
filter
)
val request = search(imagesCurrentAlias) bool filteredMatches limit 200 // TODO no order?
executeAndLog(request, s"ES6 get images in photoshoot ${photoshoot.title} with inferred syndication rights (excluding $excludedImageId)").map { r =>
r.result.hits.hits.toList.map { h =>
Json.parse(h.sourceAsString).as[Image]
}
}
}
def getLatestSyndicationRights(photoshoot: Photoshoot, excludedImageId: Option[String])
(implicit ex: ExecutionContext, logMarker: LogMarker): Future[Option[Image]] = {
val nonInferredSyndicationRights = termQuery("syndicationRights.isInferred", false)
val filter = excludedImageId match {
case Some(imageId) => boolQuery must(
nonInferredSyndicationRights,
not(idsQuery(imageId))
)
case _ => nonInferredSyndicationRights
}
val filteredMatches = boolQuery must(
matchQuery(photoshootField("title"), photoshoot.title),
filter
)
val syndicationRightsPublishedDescending = fieldSort("syndicationRights.published").order(SortOrder.DESC)
val request = search(imagesCurrentAlias) bool filteredMatches sortBy syndicationRightsPublishedDescending
executeAndLog(request, s"ES6 get image in photoshoot ${photoshoot.title} with latest rcs syndication rights (excluding $excludedImageId)").map { r =>
r.result.hits.hits.toList.headOption.map { h =>
Json.parse(h.sourceAsString).as[Image]
}
}
}
private def deleteFromIndex(id: String, indexName: String, query: Query)(implicit ex: ExecutionContext, logMarker: LogMarker) = {
executeAndLog(count(indexName).query(query), s"ES6 searching for image to delete: $id in index $indexName").flatMap { r =>
val deleteFuture = r.result.count match {
case 1 => executeAndLog(deleteById(indexName, id), s"ES6 deleting image $id from index $indexName")
case _ => Future.failed(ImageNotDeletable)
}
deleteFuture
.incrementOnSuccess(metrics.map(_.deletedImages))
.incrementOnFailure(metrics.map(_.failedDeletedImages)) { case ImageNotDeletable => true }
}
}
def deleteImage(id: String)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchDeleteResponse]] = {
// search for the image first, and then only delete and succeed
// this is because the delete query does not respond with anything useful
// TODO: is there a more efficient way to do this?
val deletableImage = boolQuery.withMust(
idsQuery(id)).withNot(
existsQuery("exports"),
nestedQuery(path = "usages", query = existsQuery("usages"))
)
(migrationStatus match {
case running: Running => List(imagesCurrentAlias, running.migrationIndexName)
case _ => List(imagesCurrentAlias)
}).map { index =>
deleteFromIndex(id, index, deletableImage).map { _ => ElasticSearchDeleteResponse() }
}
}
def deleteSingleImageUsage(
id: String, usageId: String, lastModified: DateTime
)(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val deleteSingleUsageScript = loadUpdatingModificationPainless("ctx._source.usages.removeIf(usage -> usage.id == params.usageId);")
val eventualUpdateResponse = migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, deleteSingleUsageScript, lastModified, "usageId" -> usageId),
logMessageFromIndexName = indexName => s"ES6 removing usage $usageId on image $id in index $indexName",
notFoundSuccessful = true
).incrementOnFailure(metrics.map(_.failedUsagesUpdates)) { case _ => true }
List(eventualUpdateResponse.map(response => {
if (response.status == 404) {
logger.warn("Attempted to delete usage for non-existent image.")
}
ElasticSearchUpdateResponse()
}))
}
def deleteAllImageUsages(
id: String, lastModified: DateTime
)(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val deleteUsagesScript = loadUpdatingModificationPainless("ctx._source.remove('usages');")
val eventualUpdateResponse = migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, deleteUsagesScript, lastModified),
logMessageFromIndexName = indexName => s"ES6 removing all usages on image $id in index $indexName",
notFoundSuccessful = true
).incrementOnFailure(metrics.map(_.failedUsagesUpdates)){case _ => true}
List(eventualUpdateResponse.map(response => {
if(response.status == 404){
logger.warn("Attempted to delete usages for non-existent image.")
}
ElasticSearchUpdateResponse()
}))
}
def deleteSyndicationRights(id: String, lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val deleteSyndicationRightsScript = s"""
| $modificationDateFormatting
| ctx._source.remove('syndicationRights');
| $updateLastModifiedScript
""".stripMargin
val eventualUpdateResponse = migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, deleteSyndicationRightsScript, lastModified),
logMessageFromIndexName = indexName => s"ES6 removing syndication rights on image $id in index $indexName",
notFoundSuccessful = true
).incrementOnFailure(metrics.map(_.failedSyndicationRightsUpdates)){case _ => true}
List(eventualUpdateResponse.map(_ => ElasticSearchUpdateResponse()))
}
def replaceImageLeases(id: String, leases: Seq[MediaLease], lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val replaceLeasesScript =
"""
| ctx._source.leases = ["leases": params.leases, "lastModified": params.lastModified];
| """.stripMargin
val scriptSource = loadUpdatingModificationPainless(replaceLeasesScript)
val leasesParameter = leases.map(l => asNestedMap(Json.toJson(l)))
val eventualUpdateResponse = migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, scriptSource, lastModified, ("leases", leasesParameter)),
logMessageFromIndexName = indexName => s"ES6 updating all leases on image $id in index $indexName with: ${leases.toString}"
).incrementOnFailure(metrics.map(_.failedSyndicationRightsUpdates)){case _ => true}
List(eventualUpdateResponse.map(_ => ElasticSearchUpdateResponse()))
}
private def prepareScript(scriptSource: String, lastModified: DateTime, params: (String, Object)*) =
Script(script = scriptSource).lang("painless").param("lastModified", printDateTime(lastModified)).params(params)
private def prepareUpdateRequest(indexName: String, id: String, script: Script): UpdateRequest =
updateById(indexName, id).script(script)
private def prepareUpdateRequest(indexName: String, id: String, scriptSource: String, lastModified: DateTime, params: (String, Object)*): UpdateRequest =
prepareUpdateRequest(indexName, id, prepareScript(scriptSource, lastModified, params:_*))
def addImageLease(id: String, lease: MediaLease, lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val addLeaseScript =
"""| if (ctx._source.leases == null || ctx._source.leases.leases == null) {
| ctx._source.leases = ["leases": [params.lease], "lastModified": params.lastModified];
| } else {
| ctx._source.leases.leases.add(params.lease);
| ctx._source.leases.lastModified = params.lastModified;
| }
""".stripMargin
val scriptSource = loadUpdatingModificationPainless(addLeaseScript)
val leaseParameter = JsDefined(Json.toJson(lease)).toOption.map(_.as[MediaLease]).map(i => asNestedMap(Json.toJson(i))).orNull
val eventualUpdateResponse = migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, scriptSource, lastModified, ("lease", leaseParameter)),
logMessageFromIndexName = indexName => s"ES6 adding lease on image $id in index $indexName with: $leaseParameter"
).incrementOnFailure(metrics.map(_.failedUsagesUpdates)){case _ => true}
List(eventualUpdateResponse.map(_ => ElasticSearchUpdateResponse()))
}
def removeImageLease(id: String, leaseId: Option[String], lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val removeLeaseScript =
"""|
| for(int i = 0; i < ctx._source.leases.leases.size(); i++) {
| if (ctx._source.leases.leases[i].id == params.leaseId) {
| ctx._source.leases.leases.remove(i);
| ctx._source.leases.lastModified = params.lastModified;
| }
| }
"""
val scriptSource = loadUpdatingModificationPainless(removeLeaseScript)
val leaseIdParameter = JsDefined(Json.toJson(leaseId)).toOption.map(_.as[String]).orNull
val eventualUpdateResponse = migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, scriptSource, lastModified, ("leaseId", leaseIdParameter)),
logMessageFromIndexName = indexName => s"ES6 removing lease with id $leaseIdParameter from image $id in index $indexName",
notFoundSuccessful = true
).incrementOnFailure(metrics.map(_.failedUsagesUpdates)) { case _ => true }
List(eventualUpdateResponse.map(_ => ElasticSearchUpdateResponse()))
}
def updateImageExports(id: String, exports: Seq[Crop], lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val addExportsScript =
"""| if (ctx._source.exports == null) {
| ctx._source.exports = params.exports;
| } else {
| ctx._source.exports.addAll(params.exports);
| }
"""
val scriptSource = loadUpdatingModificationPainless(addExportsScript)
val exportsParameter = JsDefined(Json.toJson(exports)).toOption.map { cs: JsValue => // TODO deduplicate with set collections
cs.as[JsArray].value.map { c =>
asNestedMap(c)
}
}.orNull
val eventualUpdateResponse = migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, scriptSource, lastModified, ("exports", exportsParameter)),
logMessageFromIndexName = indexName => s"ES6 updating exports on image $id in index $indexName"
).incrementOnFailure(metrics.map(_.failedExportsUpdates)) { case _ => true }
List(eventualUpdateResponse.map(_ => ElasticSearchUpdateResponse()))
}
def deleteImageExports(id: String, lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val deleteExportsScript = "ctx._source.remove('exports');"
val scriptSource = loadUpdatingModificationPainless(deleteExportsScript)
val eventualUpdateResponse = migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, scriptSource, lastModified),
logMessageFromIndexName = indexName => s"ES6 removing exports from image $id in index $indexName",
notFoundSuccessful = true
).incrementOnFailure(metrics.map(_.failedExportsUpdates)) { case _ => true }
List(eventualUpdateResponse.map(_ => ElasticSearchUpdateResponse()))
}
def setImageCollections(id: String, collections: Seq[Collection], lastModified: DateTime)
(implicit ex: ExecutionContext, logMarker: LogMarker): List[Future[ElasticSearchUpdateResponse]] = {
val setImagesCollectionScript = "ctx._source.collections = params.collections;"
val setImageCollectionsScript = loadUpdatingModificationPainless(setImagesCollectionScript)
val collectionsParameter = JsDefined(Json.toJson(collections)).toOption.map { cs: JsValue =>
cs.as[JsArray].value.map { c =>
asNestedMap(c)
}
}.orNull
val eventualUpdateResponse = migrationAwareUpdater(
requestFromIndexName = indexName => prepareUpdateRequest(indexName, id, setImageCollectionsScript, lastModified, ("collections", collectionsParameter)),
logMessageFromIndexName = indexName => s"ES6 setting collections on image $id in index $indexName"
).incrementOnFailure(metrics.map(_.failedCollectionsUpdates)) { case _ => true }
List(eventualUpdateResponse.map(_ => ElasticSearchUpdateResponse()))
}
private val scrollPageSize = 10000
private def handleImageIdScrollResponse(
message: String, response: Response[SearchResponse]
)(implicit ec: ExecutionContext, logMarker: LogMarker): Future[Seq[String]] = {
val ids = response.result.hits.hits.map(_.id)
if (response.result.hits.size >= scrollPageSize && response.result.scrollId.isDefined) {
continueScrollingImageIds(message, response.result.scrollId.get).map(ids ++ _)
} else {
if (response.result.scrollId.isDefined) {
closeScroll(response.result.scrollId.get)
}
Future.successful(ids)
}
}
private def continueScrollingImageIds(
message: String, scrollId: String
)(implicit ec: ExecutionContext, logMarker: LogMarker): Future[Seq[String]] = {
val req = searchScroll(scrollId)
executeAndLog(req, message)
.flatMap(response => handleImageIdScrollResponse(message, response))
}
def listImageIdsWithPrefix(prefix: String)(
implicit ec: ExecutionContext, logMarker: LogMarker
): Future[Seq[String]] = {
val req = search(imagesCurrentAlias)
.size(scrollPageSize)
.fetchSource(false)
.scroll(60.seconds)
.query(prefixQuery("id", prefix))
executeAndLog(req, s"listing ids with prefix $prefix")
.flatMap(response => handleImageIdScrollResponse(s"listing ids with prefix $prefix", response))
}
def listImageIdsWithUnexpectedFormat()(implicit ec: ExecutionContext, logMarker: LogMarker) = {
val req = search(imagesCurrentAlias)
.size(scrollPageSize)
.fetchSource(false)
.scroll(60.seconds)
.query(not(regexQuery("id", "[0-9a-f]{40}")))
val message = s"listing ids with unexpected format"
executeAndLog(req, message).flatMap(response => handleImageIdScrollResponse(message, response))
}
private val refreshMetadataScript = """
| ctx._source.metadata = new HashMap();
| if (ctx._source.originalMetadata != null) {
| ctx._source.metadata.putAll(ctx._source.originalMetadata);
| }
| if (ctx._source.userMetadata != null && ctx._source.userMetadata.metadata != null) {
| ctx._source.metadata.putAll(ctx._source.userMetadata.metadata);
| }
| ctx._source.metadata = ctx._source.metadata.entrySet().stream().filter(x -> x.value != "").collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
""".stripMargin
private val refreshUsageRightsScript = """
| if (ctx._source.userMetadata != null && ctx._source.userMetadata.usageRights != null) {
| ctx._source.usageRights = new HashMap();
| ctx._source.usageRights.putAll(ctx._source.userMetadata.usageRights);
| } else if (ctx._source.originalUsageRights == null){
| ctx._source.usageRights = null;
| } else {
| ctx._source.usageRights = new HashMap();
| ctx._source.usageRights.putAll(ctx._source.originalUsageRights);
| }
""".stripMargin
private val refreshEditsScript = refreshMetadataScript + refreshUsageRightsScript
private def loadPainless(str: String) = str.stripMargin.split('\n').map(_.trim.filter(_ >= ' ')).mkString // remove ctrl chars and leading, trailing whitespace
private def loadUpdatingModificationPainless(str: String) = loadPainless(modificationDateFormatting + "\n" + str + "\n" + updateLastModifiedScript)
private val modificationDateFormatting =
"""
| def modificationDate = Date.from(Instant.from(DateTimeFormatter.ISO_DATE_TIME.parse(params.lastModified)));
"""
// Script that updates the "lastModified" property using the "lastModified" parameter
private val updateLastModifiedScript =
"""
| def lastModifiedDate = ctx._source.lastModified != null ? Date.from(Instant.from(DateTimeFormatter.ISO_DATE_TIME.parse(ctx._source.lastModified))) : null;
| if (lastModifiedDate == null || modificationDate.after(lastModifiedDate)) {
| ctx._source.lastModified = params.lastModified;
| }
""".stripMargin
@nowarn("cat=deprecation") // TODO ScalaObjectMapper is deprecated because unusable in Scala 3
private def asNestedMap(sr: SyndicationRights) = { // TODO not great; there must be a better way to flatten a case class into a Map
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import com.fasterxml.jackson.module.scala.experimental.ScalaObjectMapper
val mapper = new ObjectMapper() with ScalaObjectMapper
mapper.registerModule(DefaultScalaModule)
mapper.readValue[Map[String, Object]](Json.stringify(Json.toJson(sr)))
}
@nowarn("cat=deprecation") // TODO ScalaObjectMapper is deprecated because unusable in Scala 3
private def asNestedMap(i: JsValue) = { // TODO not great; there must be a better way to flatten a case class into a Map
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import com.fasterxml.jackson.module.scala.experimental.ScalaObjectMapper
val mapper = new ObjectMapper() with ScalaObjectMapper
mapper.registerModule(DefaultScalaModule)
mapper.readValue[Map[String, Object]](Json.stringify(i))
}
private def asImageUpdate(image: JsValue): JsValue = {
def removeUploadInformation(): Reads[JsObject] =
(__ \ "uploadTime").json.prune andThen
(__ \ "userMetadata").json.prune andThen
(__ \ "exports").json.prune andThen
(__ \ "uploadedBy").json.prune andThen
(__ \ "collections").json.prune andThen
(__ \ "leases").json.prune andThen
(__ \ "usages").json.prune
image.transform(removeUploadInformation()).get
}
}