@Before
public void setup() throws Exception {
File editsDir =
new File(MiniDFSCluster.getBaseDirectory(null) + File.separator + "TestJournalNode");
FileUtil.fullyDelete(editsDir);
conf.set(JournalConfigKeys.DFS_JOURNALNODE_DIR_KEY, editsDir.getAbsolutePath());
conf.set(JournalConfigKeys.DFS_JOURNALNODE_RPC_ADDRESS_KEY, "0.0.0.0:0");
int port = MiniJournalCluster.getFreeHttpPortAndUpdateConf(conf, true);
httpAddress = "http://localhost:" + port;
jn = new JournalNode();
jn.setConf(conf);
jn.start();
journalId = "test-journalid-" + QJMTestUtil.uniqueSequenceId();
journal = jn.getOrCreateJournal(QuorumJournalManager.journalIdStringToBytes(journalId));
journal.transitionJournal(FAKE_NSINFO, Transition.FORMAT, null);
journal.transitionImage(FAKE_NSINFO, Transition.FORMAT, null);
}
private MiniJournalCluster(Builder b) throws IOException {
LOG.info("Starting MiniJournalCluster with " + b.numJournalNodes + " journal nodes");
if (b.baseDir != null) {
this.baseDir = new File(b.baseDir);
} else {
this.baseDir = new File(MiniDFSCluster.getBaseDirectory());
}
nodes = new JNInfo[b.numJournalNodes];
for (int i = 0; i < b.numJournalNodes; i++) {
if (b.format) {
File dir = getStorageDir(i);
LOG.debug("Fully deleting JN directory " + dir);
FileUtil.fullyDelete(dir);
}
JournalNode jn = new JournalNode();
jn.setConf(createConfForNode(b, i));
jn.start();
nodes[i] = new JNInfo(jn);
}
}
public void restartJournalNode(int i) throws InterruptedException, IOException {
JNInfo info = nodes[i];
JournalNode jn = info.node;
Configuration conf = new Configuration(jn.getConf());
if (jn.isStarted()) {
jn.stopAndJoin(0);
}
conf.set(
DFSConfigKeys.DFS_JOURNALNODE_RPC_ADDRESS_KEY, NetUtils.getHostPortString(info.ipcAddr));
final String uri = info.httpServerURI;
if (uri.startsWith("http://")) {
conf.set(DFSConfigKeys.DFS_JOURNALNODE_HTTP_ADDRESS_KEY, uri.substring(("http://".length())));
} else if (info.httpServerURI.startsWith("https://")) {
conf.set(
DFSConfigKeys.DFS_JOURNALNODE_HTTPS_ADDRESS_KEY, uri.substring(("https://".length())));
}
JournalNode newJN = new JournalNode();
newJN.setConf(conf);
newJN.start();
info.node = newJN;
}
private JNInfo(JournalNode node) {
this.node = node;
this.ipcAddr = node.getBoundIpcAddress();
this.httpServerURI = node.getHttpServerURI();
}
public void tearDown() throws InterruptedException {
if (jn != null) {
jn.stopAndJoin(0);
}
}