/*
* This test attempts to upgrade the datanode from federation
* version -35 to upper version
* This test is for non-federation cluster with single namenode
*/
public void testNonFederationClusterUpgradeAfterFederationVersion() throws Exception {
File[] baseDirs;
UpgradeUtilities.initialize();
for (int numDirs = 1; numDirs <= 2; numDirs++) {
conf = new Configuration();
conf.setInt("dfs.datanode.scan.period.hours", -1);
conf = UpgradeUtilities.initializeStorageStateConf(numDirs, conf);
String[] nameNodeDirs = conf.getStrings("dfs.name.dir");
String[] dataNodeDirs = conf.getStrings("dfs.data.dir");
log("DataNode upgrade with federation layout version in current", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
try {
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
baseDirs = UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
UpgradeUtilities.createVersionFile(
DATA_NODE,
baseDirs,
new StorageInfo(
FSConstants.FEDERATION_VERSION,
UpgradeUtilities.getCurrentNamespaceID(cluster),
UpgradeUtilities.getCurrentFsscTime(cluster)),
cluster.getNameNode().getNamespaceID());
cluster.startDataNodes(conf, 1, false, StartupOption.REGULAR, null);
checkResult(DATA_NODE, dataNodeDirs, 0, false);
} finally {
if (cluster != null) cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
}
}
}
/**
* This test attempts to upgrade the NameNode and DataNode under a number of valid and invalid
* conditions.
*/
public void testUpgrade() throws Exception {
File[] baseDirs;
UpgradeUtilities.initialize();
for (int numDirs = 1; numDirs <= 2; numDirs++) {
conf = new Configuration();
conf.setInt("dfs.datanode.scan.period.hours", -1);
conf = UpgradeUtilities.initializeStorageStateConf(numDirs, conf);
String[] nameNodeDirs = conf.getStrings("dfs.name.dir");
String[] dataNodeDirs = conf.getStrings("dfs.data.dir");
log("Normal NameNode upgrade", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
checkResult(NAME_NODE, nameNodeDirs);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("Normal DataNode upgrade", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
cluster.startDataNodes(conf, 1, false, StartupOption.REGULAR, null);
checkResult(DATA_NODE, dataNodeDirs);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
log("NameNode upgrade with existing previous dir", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "previous");
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("DataNode upgrade with existing previous dir", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "previous");
startDataNodeShouldFail(StartupOption.REGULAR);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
log("DataNode upgrade with future stored layout version in current", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
baseDirs = UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
UpgradeUtilities.createVersionFile(
DATA_NODE,
baseDirs,
new StorageInfo(
Integer.MIN_VALUE,
UpgradeUtilities.getCurrentNamespaceID(cluster),
UpgradeUtilities.getCurrentFsscTime(cluster)),
cluster.getNameNode().getNamespaceID());
startDataNodeShouldFail(StartupOption.REGULAR);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
log("DataNode upgrade with newer fsscTime in current", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
baseDirs = UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
UpgradeUtilities.createVersionFile(
DATA_NODE,
baseDirs,
new StorageInfo(
UpgradeUtilities.getCurrentLayoutVersion(),
UpgradeUtilities.getCurrentNamespaceID(cluster),
Long.MAX_VALUE),
cluster.getNameNode().getNamespaceID());
startDataNodeShouldFail(StartupOption.REGULAR);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
log("NameNode upgrade with no edits file", numDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
for (File f : baseDirs) {
FileUtil.fullyDelete(new File(f, "edits"));
}
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("NameNode upgrade with no image file", numDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
for (File f : baseDirs) {
FileUtil.fullyDelete(new File(f, "fsimage"));
}
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("NameNode upgrade with corrupt version file", numDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
for (File f : baseDirs) {
UpgradeUtilities.corruptFile(new File(f, "VERSION"));
}
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("NameNode upgrade with old layout version in current", numDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
UpgradeUtilities.createVersionFile(
NAME_NODE,
baseDirs,
new StorageInfo(
Storage.LAST_UPGRADABLE_LAYOUT_VERSION + 1,
UpgradeUtilities.getCurrentNamespaceID(null),
UpgradeUtilities.getCurrentFsscTime(null)),
0);
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("NameNode upgrade with future layout version in current", numDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
UpgradeUtilities.createVersionFile(
NAME_NODE,
baseDirs,
new StorageInfo(
Integer.MIN_VALUE,
UpgradeUtilities.getCurrentNamespaceID(null),
UpgradeUtilities.getCurrentFsscTime(null)),
0);
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("Normal Datanode upgrade after datanode format", numDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
UpgradeUtilities.createVersionFile(
NAME_NODE,
baseDirs,
new StorageInfo(
FSConstants.LAYOUT_VERSION, UpgradeUtilities.getCurrentNamespaceID(null), 0),
0);
cluster =
new MiniDFSCluster(
0,
conf,
1,
false,
false,
false,
StartupOption.UPGRADE,
null,
null,
null,
false,
false,
1,
false);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
} // end numDir loop
}