murblanc commented on a change in pull request #2250:
URL: https://github.com/apache/lucene-solr/pull/2250#discussion_r580587364
##########
File path:
solr/core/src/java/org/apache/solr/cloud/api/collections/BackupCmd.java
##########
@@ -77,74 +80,110 @@ public void call(ClusterState state, ZkNodeProps message,
@SuppressWarnings({"ra
}
String backupName = message.getStr(NAME);
String repo = message.getStr(CoreAdminParams.BACKUP_REPOSITORY);
+ boolean incremental = message.getBool(CoreAdminParams.BACKUP_INCREMENTAL,
true);
+ String configName = ocmh.zkStateReader.readConfigName(collectionName);
- Instant startTime = Instant.now();
+ BackupProperties backupProperties = BackupProperties.create(backupName,
collectionName,
+ extCollectionName, configName);
CoreContainer cc = ocmh.overseer.getCoreContainer();
- BackupRepository repository = cc.newBackupRepository(repo);
- BackupManager backupMgr = new BackupManager(repository,
ocmh.zkStateReader);
+ try (BackupRepository repository = cc.newBackupRepository(repo)) {
+
+ // Backup location
+ URI location =
repository.createURI(message.getStr(CoreAdminParams.BACKUP_LOCATION));
+ final URI backupPath = createAndValidateBackupPath(repository,
incremental, location, backupName, collectionName);
+
+ BackupManager backupMgr = (incremental) ?
+ BackupManager.forIncrementalBackup(repository,
ocmh.zkStateReader, backupPath) :
+ BackupManager.forBackup(repository, ocmh.zkStateReader,
backupPath);
+
+ String strategy =
message.getStr(CollectionAdminParams.INDEX_BACKUP_STRATEGY,
CollectionAdminParams.COPY_FILES_STRATEGY);
+ switch (strategy) {
+ case CollectionAdminParams.COPY_FILES_STRATEGY: {
+ if (incremental) {
+ try {
+ incrementalCopyIndexFiles(backupPath, collectionName, message,
results, backupProperties, backupMgr);
+ } catch (SolrException e) {
+ log.error("Error happened during incremental backup for
collection:{}", collectionName, e);
+ ocmh.cleanBackup(repository, backupPath,
backupMgr.getBackupId());
+ throw e;
+ }
+ } else {
+ copyIndexFiles(backupPath, collectionName, message, results);
+ }
+ break;
+ }
+ case CollectionAdminParams.NO_INDEX_BACKUP_STRATEGY: {
+ break;
+ }
+ }
- // Backup location
- URI location =
repository.createURI(message.getStr(CoreAdminParams.BACKUP_LOCATION));
- URI backupPath = repository.resolve(location, backupName);
+ log.info("Starting to backup ZK data for backupName={}", backupName);
- //Validating if the directory already exists.
- if (repository.exists(backupPath)) {
- throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "The backup
directory already exists: " + backupPath);
- }
+ //Download the configs
+ backupMgr.downloadConfigDir(configName);
- // Create a directory to store backup details.
- repository.createDirectory(backupPath);
+ //Save the collection's state. Can be part of the monolithic
clusterstate.json or a individual state.json
Review comment:
There's no such thing anymore in master as a "monolithic
`clusterstate.json`".
It was removed in
[SOLR-12823](https://issues.apache.org/jira/browse/SOLR-12823)
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