org.jgroups.protocols.kubernetes

Class KUBE_PING

java.lang.Object

org.jgroups.stack.Protocol

org.jgroups.protocols.Discovery

org.jgroups.protocols.kubernetes.KUBE_PING

public class KUBE_PING
extends org.jgroups.protocols.Discovery

Kubernetes based discovery protocol. Uses the Kubernetes master to fetch the IP addresses of all pods that have been created, then pings each pods separately. The ports are defined by bind_port in TP plus port_range.

Author:

Ales Justin, Sebastian Łaskawiec, Bela Ban

Nested Class Summary

Nested classes/interfaces inherited from class org.jgroups.protocols.Discovery

org.jgroups.protocols.Discovery.DiscoveryCacheDisseminationTask

Field Summary

Fields

Modifier and Type	Field and Description
protected String	apiVersion
protected String	caCertFile
protected Client	client
protected String	clientCertFile
protected String	clientKeyAlgo
protected String	clientKeyFile
protected String	clientKeyPassword
protected int	connectTimeout
protected boolean	dump_requests
protected static short	KUBERNETES_PING_ID
protected String	labels
protected String	masterHost
protected int	masterPort
protected String	masterProtocol
protected String	namespace
protected int	operationAttempts
protected long	operationSleep
protected int	port_range
protected int	readTimeout
protected String	saTokenFile
protected int	tp_bind_port

Fields inherited from class org.jgroups.protocols.Discovery

async_discovery, async_discovery_use_separate_thread_per_request, break_on_coord_rsp, cluster_name, current_coord, discovery_rsp_expiry_time, is_coord, is_leaving, is_server, local_addr, max_members_in_discovery_request, max_rank_to_reply, num_discovery_requests, ping_responses, return_entire_cache, send_cache_on_join, sends_can_block, stagger_timeout, timer, transport_supports_multicasting, use_disk_cache, use_ip_addrs, view, WHITESPACE

Fields inherited from class org.jgroups.stack.Protocol

after_creation_hook, down_prot, ergonomics, id, log, stack, stats, up_prot

Constructor Summary

Constructors

Constructor and Description
KUBE_PING()

Method Summary

Modifier and Type	Method and Description
void	destroy()
String	fetchFromKube()
void	findMembers(List<org.jgroups.Address> members, boolean initial_discovery, org.jgroups.util.Responses responses)
void	init()
protected boolean	isClusteringEnabled()
boolean	isDynamic()
protected List<String>	readAll()
protected void	sendDiscoveryRequest(org.jgroups.Message req)
void	setMasterHost(String masterMost)
void	setMasterPort(int masterPort)
void	setNamespace(String namespace)
String	toString()

Methods inherited from class org.jgroups.protocols.Discovery

addDiscoveryResponseToCaches, addResponse, addressAsString, addToCache, breakOnCoordResponse, breakOnCoordResponse, deserialize, discoveryRequestReceived, discoveryRspExpiryTime, disseminateDiscoveryInformation, down, dumpCache, findInitialMembersAsString, findMembers, getCurrentCoord, getNumberOfDiscoveryRequestsSent, getView, getViewId, handleConnect, handleDisconnect, handleDiscoveryResponse, isCoord, isMergeRunning, marshal, providedUpServices, read, readPingData, resetStats, returnEntireCache, returnEntireCache, sendCacheInformation, sendDiscoveryResponse, serializeWithoutView, staggerTimeout, staggerTimeout, start, startCacheDissemination, stop, up, up, useDiskCache, useDiskCache, weedOutCompletedDiscoveryResponses, write

Methods inherited from class org.jgroups.stack.Protocol

accept, afterCreationHook, down, enableStats, getConfigurableObjects, getDownProtocol, getDownServices, getId, getIdsAbove, getLevel, getLog, getName, getProtocolStack, getSocketFactory, getThreadFactory, getTransport, getUpProtocol, getUpServices, getValue, isErgonomics, level, parse, providedDownServices, requiredDownServices, requiredUpServices, resetStatistics, setDownProtocol, setErgonomics, setId, setLevel, setProtocolStack, setSocketFactory, setUpProtocol, setValue, statsEnabled, up

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

KUBERNETES_PING_ID

protected static final short KUBERNETES_PING_ID

See Also:

Constant Field Values

port_range

protected int port_range

connectTimeout

protected int connectTimeout

readTimeout

protected int readTimeout

operationAttempts

protected int operationAttempts

operationSleep

protected long operationSleep

masterProtocol

protected String masterProtocol

masterHost

protected String masterHost

masterPort

protected int masterPort

apiVersion

protected String apiVersion

namespace

protected String namespace

labels

protected String labels

clientCertFile

protected String clientCertFile

clientKeyFile

protected String clientKeyFile

clientKeyPassword

protected String clientKeyPassword

clientKeyAlgo

protected String clientKeyAlgo

caCertFile

protected String caCertFile

saTokenFile

protected String saTokenFile

dump_requests

protected boolean dump_requests

client

protected Client client

tp_bind_port

protected int tp_bind_port

Constructor Detail

KUBE_PING

public KUBE_PING()

Method Detail

isDynamic

public boolean isDynamic()

Specified by:

isDynamic in class org.jgroups.protocols.Discovery

setMasterHost

public void setMasterHost(String masterMost)

setMasterPort

public void setMasterPort(int masterPort)

setNamespace

public void setNamespace(String namespace)

isClusteringEnabled

protected boolean isClusteringEnabled()

init

public void init()
          throws Exception

Overrides:

init in class org.jgroups.protocols.Discovery

Throws:

Exception

destroy

public void destroy()

Overrides:

destroy in class org.jgroups.stack.Protocol

findMembers

public void findMembers(List<org.jgroups.Address> members,
                        boolean initial_discovery,
                        org.jgroups.util.Responses responses)

Specified by:

findMembers in class org.jgroups.protocols.Discovery

fetchFromKube

public String fetchFromKube()

readAll

protected List<String> readAll()

sendDiscoveryRequest

protected void sendDiscoveryRequest(org.jgroups.Message req)

toString

public String toString()

Overrides:

toString in class Object