Package com.yahoo.container.handler.observability

Class ApplicationStatusHandler

java.lang.Object
com.yahoo.jdisc.AbstractResource
com.yahoo.jdisc.handler.AbstractRequestHandler
com.yahoo.container.handler.observability.ApplicationStatusHandler
All Implemented Interfaces:
com.yahoo.jdisc.handler.RequestHandler, com.yahoo.jdisc.SharedResource
public class ApplicationStatusHandler extends com.yahoo.jdisc.handler.AbstractRequestHandler
Handler that outputs meta-info about the deployed Vespa application, and status of components and chains.
Author:
gjoranv, Einar M R Rosenvinge, bjorncs

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static interface 
    ApplicationStatusHandler.Extension
     

    Nested classes/interfaces inherited from interface com.yahoo.jdisc.SharedResource

    com.yahoo.jdisc.SharedResource.Debug

  • Field Summary

    Fields inherited from interface com.yahoo.jdisc.SharedResource

    DEBUG, SYSTEM_PROPERTY_NAME_DEBUG

  • Constructor Summary

    Constructors
    Constructor
    Description
    ApplicationStatusHandler(com.yahoo.container.core.ApplicationMetadataConfig metaConfig, ApplicationUserdataConfig userConfig, JdiscBindingsConfig bindingsConfig, com.yahoo.component.provider.ComponentRegistry<com.yahoo.jdisc.service.ClientProvider> clientProviderRegistry, com.yahoo.component.provider.ComponentRegistry<com.yahoo.jdisc.service.ServerProvider> serverProviderRegistry, com.yahoo.component.provider.ComponentRegistry<com.yahoo.jdisc.http.filter.RequestFilterBase> requestFilterRegistry, com.yahoo.component.provider.ComponentRegistry<com.yahoo.jdisc.http.filter.ResponseFilterBase> responseFilterRegistry, com.yahoo.component.provider.ComponentRegistry<ApplicationStatusHandler.Extension> extensions)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    com.yahoo.jdisc.handler.ContentChannel
    handleRequest(com.yahoo.jdisc.Request request, com.yahoo.jdisc.handler.ResponseHandler handler)
     
    com.fasterxml.jackson.databind.ObjectMapper
    jsonMapper()
     
    static com.fasterxml.jackson.databind.JsonNode
    renderChains(com.yahoo.component.provider.ComponentRegistry<? extends com.yahoo.component.chain.Chain<?>> chains)
     
    static com.fasterxml.jackson.databind.node.ObjectNode
    renderComponent(Object component, com.yahoo.component.ComponentId id)
     
    Collection<com.yahoo.jdisc.handler.RequestHandler>
    requestHandlers()
     

    Methods inherited from class com.yahoo.jdisc.handler.AbstractRequestHandler

    handleTimeout

    Methods inherited from class com.yahoo.jdisc.AbstractResource

    currentState, destroy, refer, refer, release, retainCount

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface com.yahoo.jdisc.SharedResource

    refer, refer, release

  • Constructor Details

    • ApplicationStatusHandler

      @Inject public ApplicationStatusHandler(com.yahoo.container.core.ApplicationMetadataConfig metaConfig, ApplicationUserdataConfig userConfig, JdiscBindingsConfig bindingsConfig, com.yahoo.component.provider.ComponentRegistry<com.yahoo.jdisc.service.ClientProvider> clientProviderRegistry, com.yahoo.component.provider.ComponentRegistry<com.yahoo.jdisc.service.ServerProvider> serverProviderRegistry, com.yahoo.component.provider.ComponentRegistry<com.yahoo.jdisc.http.filter.RequestFilterBase> requestFilterRegistry, com.yahoo.component.provider.ComponentRegistry<com.yahoo.jdisc.http.filter.ResponseFilterBase> responseFilterRegistry, com.yahoo.component.provider.ComponentRegistry<ApplicationStatusHandler.Extension> extensions)

  • Method Details

    • handleRequest

      public com.yahoo.jdisc.handler.ContentChannel handleRequest(com.yahoo.jdisc.Request request, com.yahoo.jdisc.handler.ResponseHandler handler)

    • jsonMapper

      public com.fasterxml.jackson.databind.ObjectMapper jsonMapper()

    • requestHandlers

      public Collection<com.yahoo.jdisc.handler.RequestHandler> requestHandlers()

    • renderComponent

      public static com.fasterxml.jackson.databind.node.ObjectNode renderComponent(Object component, com.yahoo.component.ComponentId id)

    • renderChains

      public static com.fasterxml.jackson.databind.JsonNode renderChains(com.yahoo.component.provider.ComponentRegistry<? extends com.yahoo.component.chain.Chain<?>> chains)