@RequestMapping(value = "/info/", method = RequestMethod.GET)
public void showInfo(ModelMap model) throws Exception {
Client client = clientProvider.getThriftClient();
model.put("clusterName", client.describe_cluster_name());
model.put("version", client.describe_version());
/*
NodeProbe probe = clientProvider.getProbe();
model.put("liveNodes", probe.getLiveNodes());
model.put("unreachableNodes", probe.getUnreachableNodes());
model.put("uptime", getUptimeString(probe.getUptime()));
model.put("token", probe.getToken());
*/
model.put("menu_info", Boolean.TRUE);
}
/**
* Show ring
*
* @param model
* @throws Exception
*/
@SuppressWarnings({"rawtypes", "unchecked"})
@RequestMapping(value = "/ring/", method = RequestMethod.GET)
public void describeRing(ModelMap model) throws Exception {
NodeProbe probe = clientProvider.getProbe();
if (probe == null) {
// TODO JMX Connection failed
throw new RuntimeException("JMX Connection failed.");
}
Set<String> liveNodes = probe.getLiveNodes();
Set<String> deadNodes = probe.getUnreachableNodes();
Set<String> joiningNodes = probe.getJoiningNodes();
Set<String> leavingNodes = probe.getLeavingNodes();
Map<String, String> loadMap = probe.getLoadMap();
Map<Token, String> endpointMap = probe.getTokenToEndpointMap();
List<Node> nodes = new ArrayList<Node>(endpointMap.size());
List<Token> sortedTokens = new ArrayList<Token>(endpointMap.keySet());
Collections.sort(sortedTokens);
for (Object token : sortedTokens) {
String primaryEndpoint = endpointMap.get(token);
Node node = new Node();
node.address = primaryEndpoint;
node.token = token.toString();
node.load = loadMap.get(node.address);
node.up =
liveNodes.contains(primaryEndpoint)
? "up"
: deadNodes.contains(primaryEndpoint) ? "down" : "?";
node.state =
joiningNodes.contains(primaryEndpoint)
? "Joining"
: leavingNodes.contains(primaryEndpoint) ? "Leaving" : "Normal";
if (node.load == null) {
node.load = "?";
}
nodes.add(node);
NodeProbe inProbe = clientProvider.getProbe(node.address);
if (inProbe != null) {
node.operationMode = inProbe.getOperationMode();
node.uptime = getUptimeString(inProbe.getUptime());
node.jmx = true;
MemoryUsage memory = inProbe.getHeapMemoryUsage();
node.memoryUsed = String.format("%.2f MB", (double) memory.getUsed() / (1024 * 1024));
node.memoryMax = String.format("%.2f MB", (double) memory.getMax() / (1024 * 1024));
node.memoryCommited =
String.format("%.2f MB", (double) memory.getCommitted() / (1024 * 1024));
}
}
// List live nodes which are not in range.
for (String deadAddress : deadNodes) {
Node deadNode = new Node();
deadNode.address = deadAddress;
deadNode.load = loadMap.get(deadAddress);
NodeProbe inProbe = clientProvider.getProbe(deadAddress);
if (inProbe != null) {
deadNode.operationMode = inProbe.getOperationMode();
deadNode.uptime = getUptimeString(inProbe.getUptime());
}
}
model.put("nodes", nodes);
model.put("menu_ring", Boolean.TRUE);
}
/**
* Show node statistics
*
* @param address
* @param model
* @return
*/
@RequestMapping(value = "/ring/{address}/", method = RequestMethod.GET)
public String describeNode(@PathVariable("address") String address, ModelMap model) {
NodeProbe probe = clientProvider.getProbe(address);
model.addAttribute("address", address);
model.addAttribute("token", probe.getToken());
model.addAttribute("mode", probe.getOperationMode());
model.addAttribute("uptime", getUptimeString(probe.getUptime()));
// Column family store
probe.getColumnFamilyStoreMBeanProxies();
Iterator<Entry<String, ColumnFamilyStoreMBean>> iterator =
probe.getColumnFamilyStoreMBeanProxies();
Map<String, Map<String, ColumnFamilyStoreMBean>> cfparent =
new TreeMap<String, Map<String, ColumnFamilyStoreMBean>>();
while (iterator.hasNext()) {
Entry<String, ColumnFamilyStoreMBean> entry = iterator.next();
String keyspace = entry.getKey();
String columnFamily = entry.getValue().getColumnFamilyName();
Map<String, ColumnFamilyStoreMBean> cfmap = cfparent.get(keyspace);
if (cfmap == null) {
cfmap = new TreeMap<String, ColumnFamilyStoreMBean>();
cfparent.put(keyspace, cfmap);
}
cfmap.put(columnFamily, entry.getValue());
}
// Thread pool stats
Iterator<Entry<String, IExecutorMBean>> tpIterator = probe.getThreadPoolMBeanProxies();
Map<String, IExecutorMBean> tpMap = new TreeMap<String, IExecutorMBean>();
while (tpIterator.hasNext()) {
Entry<String, IExecutorMBean> entry = tpIterator.next();
tpMap.put(entry.getKey(), entry.getValue());
}
model.addAttribute("cfparent", cfparent);
model.addAttribute("tpmap", tpMap);
model.addAttribute("address", address);
model.addAttribute("menu_ring", true);
// TODO not implemented yet
// model.addAttribute("streamDestinations", probe.getStreamDestinations());
// model.addAttribute("streamSources", probe.getStreamSources());
model.addAttribute("currentGenerationNumber", probe.getCurrentGenerationNumber());
/*
ByteArrayOutputStream bout = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(bout);
probe.getCompactionThreshold(ps, null, null);
ps.flush();
String compactionThreshold = new String(bout.toByteArray());
if (compactionThreshold.startsWith("Current compaction threshold: ")) {
compactionThreshold = compactionThreshold.substring(30);
}
model.addAttribute("compactionThreshold", compactionThreshold);
*/
return "/ring_node";
}