Package com.yahoo.vespa.model

Class Logd

java.lang.Object

com.yahoo.config.model.producer.AbstractConfigProducer<AbstractConfigProducer<?>>

com.yahoo.vespa.model.AbstractService

com.yahoo.vespa.model.Logd

All Implemented Interfaces:

com.yahoo.cloud.config.log.LogdConfig.Producer, com.yahoo.config.ConfigInstance.Producer, ConfigProducer, NetworkPortRequestor, Service, Serializable

public class Logd
extends AbstractService
implements com.yahoo.cloud.config.log.LogdConfig.Producer

There is one logd running on each Vespa host, and one instance of this class is therefore created by each instance of class Host.

Author:

gjoranv

See Also:

• Serialized Form

Field Summary

Fields inherited from class com.yahoo.vespa.model.AbstractService

portsMeta

Fields inherited from class com.yahoo.config.model.producer.AbstractConfigProducer

log

Constructor Summary

Constructors

Constructor	Description
Logd(Host host)	Creates a new Logd instance.

Method Summary

Modifier and Type	Method	Description
void	allocatePorts(int start, PortAllocBridge from)	allocate the ports you need
void	getConfig(com.yahoo.cloud.config.log.LogdConfig.Builder builder)
int	getHealthPort()	The service HTTP port for health status
int	getPortCount()	Logd needs a state port.
Optional<String>	getStartupCommand()	Must be overridden by services that should be started by config-sentinel.
int	getWantedPort()	Returns the desired base port for this service.

Methods inherited from class com.yahoo.vespa.model.AbstractService

addEnvironmentVariable, addEnvironmentVariable, appendJvmOptions, defaultPreload, distributeCpuSocketAffinity, getAffinity, getDefaultMetricDimensions, getEnvStringForTesting, getEnvVars, getHost, getHostName, getHostResource, getId, getIndex, getJvmOptions, getNumPortsAllocated, getPortsMeta, getPreLoad, getPreShutdownCommand, getRelativePort, getServiceInfo, getServiceName, getServicePropertyString, getServicePropertyString, getServiceType, initService, isInitialized, prependJvmOptions, remove, requiresWantedPort, setAffinity, setBasePort, setCoreOnOOM, setHostResource, setJvmOptions, setMMapNoCoreLimit, setNoVespaMalloc, setPreLoad, setProp, setProp, setVespaMalloc, setVespaMallocDebug, setVespaMallocDebugStackTrace, toString

Methods inherited from class com.yahoo.config.model.producer.AbstractConfigProducer

addChild, addConfigId, addDescendantService, addUserConfig, cascadeConfig, dump, getChildren, getChildrenByTypeRecursive, getConfigClassLoader, getConfigId, getDescendantServices, getMonitoringService, getParent, getRoot, getSubId, getUserConfigs, hostSystem, mergeUserConfigs, removeChild, setParent, setUserConfigs, stateIsHosted, validate

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.yahoo.vespa.model.ConfigProducer

addUserConfig, cascadeConfig, dump, getChildren, getConfigId, getDescendantServices, getUserConfigs, hostSystem, validate

Methods inherited from interface com.yahoo.vespa.model.NetworkPortRequestor

getConfigId

Methods inherited from interface com.yahoo.vespa.model.Service

getLogctlSpecs

Constructor Details

Logd

public Logd(Host host)

Creates a new Logd instance.

Method Details

allocatePorts

public void allocatePorts(int start,
 PortAllocBridge from)

Description copied from interface: NetworkPortRequestor

allocate the ports you need

Specified by:

allocatePorts in interface NetworkPortRequestor

getPortCount

public int getPortCount()

Logd needs a state port.

Specified by:

getPortCount in interface NetworkPortRequestor

Returns:

The number of ports reserved by the logd

getWantedPort

public int getWantedPort()

Returns the desired base port for this service.

Specified by:

getWantedPort in interface NetworkPortRequestor

Overrides:

getWantedPort in class AbstractService

Returns:

The desired base port for the first instance of the service type.

getStartupCommand

public Optional<String> getStartupCommand()

Description copied from class: AbstractService

Must be overridden by services that should be started by config-sentinel. The returned value will be used in config-sentinel configuration. Returns empty by default.

Specified by:

getStartupCommand in interface Service

Overrides:

getStartupCommand in class AbstractService

Returns:

The command used to start logd

getHealthPort

public int getHealthPort()

Description copied from class: AbstractService

The service HTTP port for health status

Specified by:

getHealthPort in interface Service

Overrides:

getHealthPort in class AbstractService

getConfig

public void getConfig(com.yahoo.cloud.config.log.LogdConfig.Builder builder)

Specified by:

getConfig in interface com.yahoo.cloud.config.log.LogdConfig.Producer