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@ -140,7 +140,8 @@ public abstract class AbstractZKClient {
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/** |
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* heartbeat for zookeeper |
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* @param znode |
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* @param znode zookeeper node |
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* @param serverType server type |
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*/ |
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public void heartBeatForZk(String znode, String serverType){ |
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try { |
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@ -175,11 +176,12 @@ public abstract class AbstractZKClient {
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/** |
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* check dead server or not , if dead, stop self |
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* |
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* @param zNode node path |
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* @param serverType master or worker prefix |
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* @throws Exception |
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* @param zNode node path |
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* @param serverType master or worker prefix |
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* @return true if not exists |
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* @throws Exception errors |
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*/ |
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protected boolean checkIsDeadServer(String zNode, String serverType) throws Exception { |
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protected boolean checkIsDeadServer(String zNode, String serverType) throws Exception{ |
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//ip_sequenceno
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String[] zNodesPath = zNode.split("\\/"); |
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String ipSeqNo = zNodesPath[zNodesPath.length - 1]; |
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@ -213,8 +215,8 @@ public abstract class AbstractZKClient {
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/** |
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* create zookeeper path according the zk node type. |
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* @param zkNodeType |
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* @return |
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* @param zkNodeType zookeeper node type |
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* @return register zookeeper path |
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* @throws Exception |
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*/ |
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private String createZNodePath(ZKNodeType zkNodeType) throws Exception { |
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@ -231,8 +233,9 @@ public abstract class AbstractZKClient {
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/** |
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* register server, if server already exists, return null. |
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* @param zkNodeType |
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* @param zkNodeType zookeeper node type |
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* @return register server path in zookeeper |
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* @throws Exception errors |
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*/ |
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public String registerServer(ZKNodeType zkNodeType) throws Exception { |
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String registerPath = null; |
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@ -257,7 +260,7 @@ public abstract class AbstractZKClient {
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* @param zNode node path |
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* @param zkNodeType master or worker |
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* @param opType delete or add |
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* @throws Exception |
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* @throws Exception errors |
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*/ |
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public void handleDeadServer(String zNode, ZKNodeType zkNodeType, String opType) throws Exception { |
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//ip_sequenceno
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@ -291,7 +294,7 @@ public abstract class AbstractZKClient {
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/** |
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* for stop server |
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* @param serverStoppable |
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* @param serverStoppable server stoppable interface
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*/ |
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public void setStoppable(IStoppable serverStoppable){ |
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this.stoppable = serverStoppable; |
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@ -299,7 +302,7 @@ public abstract class AbstractZKClient {
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/** |
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* get active master num |
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* @return |
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* @return active master number |
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*/ |
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public int getActiveMasterNum(){ |
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List<String> childrenList = new ArrayList<>(); |
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@ -340,8 +343,8 @@ public abstract class AbstractZKClient {
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/** |
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* get server list. |
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* @param zkNodeType |
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* @return |
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* @param zkNodeType zookeeper node type |
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* @return server list |
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*/ |
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public List<Server> getServersList(ZKNodeType zkNodeType){ |
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Map<String, String> masterMap = getServerMaps(zkNodeType); |
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@ -361,8 +364,8 @@ public abstract class AbstractZKClient {
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/** |
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* get master server list map. |
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* result : {host : resource info} |
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* @return |
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* @param zkNodeType zookeeper node type |
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* @return result : {host : resource info} |
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*/ |
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public Map<String, String> getServerMaps(ZKNodeType zkNodeType){ |
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@ -383,10 +386,9 @@ public abstract class AbstractZKClient {
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/** |
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* check the zookeeper node already exists |
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* @param host |
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* @param zkNodeType |
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* @return |
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* @throws Exception |
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* @param host host |
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* @param zkNodeType zookeeper node type |
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* @return true if exists |
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*/ |
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public boolean checkZKNodeExists(String host, ZKNodeType zkNodeType) { |
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String path = getZNodeParentPath(zkNodeType); |
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@ -406,36 +408,36 @@ public abstract class AbstractZKClient {
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/** |
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* get zkclient |
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* @return |
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* @return zookeeper client |
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*/ |
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public CuratorFramework getZkClient() { |
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return zkClient; |
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} |
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/** |
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* get worker node parent path |
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* @return |
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* |
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* @return get worker node parent path |
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*/ |
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protected String getWorkerZNodeParentPath(){return conf.getString(Constants.ZOOKEEPER_DOLPHINSCHEDULER_WORKERS);}; |
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/** |
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* get master node parent path |
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* @return |
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* |
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* @return get master node parent path |
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*/ |
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protected String getMasterZNodeParentPath(){return conf.getString(Constants.ZOOKEEPER_DOLPHINSCHEDULER_MASTERS);} |
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/** |
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* get master lock path |
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* @return |
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* |
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* @return get master lock path |
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*/ |
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public String getMasterLockPath(){ |
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return conf.getString(Constants.ZOOKEEPER_DOLPHINSCHEDULER_LOCK_MASTERS); |
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} |
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/** |
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* get zookeeper node parent path |
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* @param zkNodeType |
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* @return |
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* |
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* @param zkNodeType zookeeper node type |
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* @return get zookeeper node parent path |
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*/ |
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public String getZNodeParentPath(ZKNodeType zkNodeType) { |
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String path = ""; |
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@ -453,32 +455,32 @@ public abstract class AbstractZKClient {
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} |
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/** |
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* get dead server node parent path |
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* @return |
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* |
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* @return get dead server node parent path |
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*/ |
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protected String getDeadZNodeParentPath(){ |
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return conf.getString(ZOOKEEPER_DOLPHINSCHEDULER_DEAD_SERVERS); |
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} |
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/** |
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* get master start up lock path |
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* @return |
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* |
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* @return get master start up lock path |
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*/ |
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public String getMasterStartUpLockPath(){ |
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return conf.getString(Constants.ZOOKEEPER_DOLPHINSCHEDULER_LOCK_FAILOVER_STARTUP_MASTERS); |
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} |
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/** |
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* get master failover lock path |
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* @return |
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* |
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* @return get master failover lock path |
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*/ |
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public String getMasterFailoverLockPath(){ |
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return conf.getString(Constants.ZOOKEEPER_DOLPHINSCHEDULER_LOCK_FAILOVER_MASTERS); |
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} |
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/** |
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* get worker failover lock path |
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* @return |
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* |
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* @return get worker failover lock path |
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*/ |
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public String getWorkerFailoverLockPath(){ |
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return conf.getString(Constants.ZOOKEEPER_DOLPHINSCHEDULER_LOCK_FAILOVER_WORKERS); |
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@ -486,7 +488,7 @@ public abstract class AbstractZKClient {
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/** |
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* release mutex |
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* @param mutex |
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* @param mutex mutex |
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*/ |
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public static void releaseMutex(InterProcessMutex mutex) { |
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if (mutex != null){ |
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@ -519,8 +521,8 @@ public abstract class AbstractZKClient {
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/** |
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* create zookeeper node path if not exists |
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* @param zNodeParentPath |
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* @throws Exception |
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* @param zNodeParentPath zookeeper parent path |
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* @throws Exception errors |
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*/ |
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private void createNodePath(String zNodeParentPath) throws Exception { |
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if(null == zkClient.checkExists().forPath(zNodeParentPath)){ |
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@ -531,8 +533,9 @@ public abstract class AbstractZKClient {
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/** |
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* server self dead, stop all threads |
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* @param serverHost |
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* @param zkNodeType |
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* @param serverHost server host |
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* @param zkNodeType zookeeper node type |
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* @return true if server dead and stop all threads |
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*/ |
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protected boolean checkServerSelfDead(String serverHost, ZKNodeType zkNodeType) { |
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if (serverHost.equals(OSUtils.getHost())) { |
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@ -547,8 +550,8 @@ public abstract class AbstractZKClient {
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/** |
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* get host ip, string format: masterParentPath/ip_000001/value |
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* @param path |
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* @return |
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* @param path path |
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* @return host ip, string format: masterParentPath/ip_000001/value |
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*/ |
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protected String getHostByEventDataPath(String path) { |
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int startIndex = path.lastIndexOf("/")+1; |
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@ -562,9 +565,10 @@ public abstract class AbstractZKClient {
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} |
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/** |
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* acquire zk lock |
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* @param zkClient |
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* @param zNodeLockPath |
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* @throws Exception |
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* @param zkClient zk client |
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* @param zNodeLockPath zk lock path |
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* @return zk lock |
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* @throws Exception errors |
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*/ |
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public InterProcessMutex acquireZkLock(CuratorFramework zkClient,String zNodeLockPath)throws Exception{ |
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InterProcessMutex mutex = new InterProcessMutex(zkClient, zNodeLockPath); |
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dailidong
5 years ago
committed by
qiaozhanwei