org.apache.druid.k8s.discovery

Class K8sDruidNodeAnnouncer

java.lang.Object

org.apache.druid.k8s.discovery.K8sDruidNodeAnnouncer

All Implemented Interfaces:

DruidNodeAnnouncer

public class K8sDruidNodeAnnouncer
extends Object
implements DruidNodeAnnouncer

Announcement creates following in the pod def... Labels - druidDiscoveryAnnouncement- = true druidDiscoveryAnnouncement-id-hash = hashEncodeStringForLabelValue(host:port) druidDiscoveryAnnouncement-cluster-identifier = Annotation - druidNodeInfo- = json_serialize(DiscoveryDruidNode) Note that, a node can have multiple roles e.g. coordinator can take up overlord's role as well.

Field Summary

Fields

Modifier and Type	Field and Description
static String	ANNOUNCEMENT_DONE

Constructor Summary

Constructors

Constructor and Description
K8sDruidNodeAnnouncer(PodInfo podInfo, K8sDiscoveryConfig discoveryConfig, K8sApiClient k8sApiClient, com.fasterxml.jackson.databind.ObjectMapper jsonMapper)

Method Summary

Modifier and Type	Method and Description
void	announce(DiscoveryDruidNode discoveryDruidNode)
static String	getClusterIdentifierAnnouncementLabel()
static String	getInfoAnnotation(NodeRole nodeRole)
static String	getLabelSelectorForNode(K8sDiscoveryConfig discoveryConfig, NodeRole nodeRole, DruidNode node)
static String	getLabelSelectorForNodeRole(K8sDiscoveryConfig discoveryConfig, NodeRole nodeRole)
static String	getRoleAnnouncementLabel(NodeRole nodeRole)
void	unannounce(DiscoveryDruidNode discoveryDruidNode)

Methods inherited from class java.lang.Object

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

Field Detail

ANNOUNCEMENT_DONE

public static final String ANNOUNCEMENT_DONE

See Also:

Constant Field Values

Constructor Detail

K8sDruidNodeAnnouncer

@Inject
public K8sDruidNodeAnnouncer(PodInfo podInfo,
                                     K8sDiscoveryConfig discoveryConfig,
                                     K8sApiClient k8sApiClient,
                                     com.fasterxml.jackson.databind.ObjectMapper jsonMapper)

Method Detail

announce

public void announce(DiscoveryDruidNode discoveryDruidNode)

Specified by:

announce in interface DruidNodeAnnouncer

unannounce

public void unannounce(DiscoveryDruidNode discoveryDruidNode)

Specified by:

unannounce in interface DruidNodeAnnouncer

getRoleAnnouncementLabel

public static String getRoleAnnouncementLabel(NodeRole nodeRole)

getClusterIdentifierAnnouncementLabel

public static String getClusterIdentifierAnnouncementLabel()

getInfoAnnotation

public static String getInfoAnnotation(NodeRole nodeRole)

getLabelSelectorForNodeRole

public static String getLabelSelectorForNodeRole(K8sDiscoveryConfig discoveryConfig,
                                                 NodeRole nodeRole)

getLabelSelectorForNode

public static String getLabelSelectorForNode(K8sDiscoveryConfig discoveryConfig,
                                             NodeRole nodeRole,
                                             DruidNode node)