hostmgr

package
v0.0.0-...-d2b1cdf Latest Latest
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 Go to latest Published: Aug 16, 2019 License: Apache-2.0 Imports: 52 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Matcher 

type Matcher struct {
	// contains filtered or unexported fields
}

Matcher keeps track of matched host offers for given constraints.

func NewMatcher 

func NewMatcher(
	hostFilter *hostsvc.HostFilter,
	evaluator constraints.Evaluator,
	hostPoolManager manager.HostPoolManager,
	filter filterSlackResources) *Matcher

NewMatcher returns a new instance of Matcher. hostFilter defines the constraints on matching a host such as resources, revocable. evaluator is used to validate constraints such as labels.

func (*Matcher) GetMatchingHosts 

func (m *Matcher) GetMatchingHosts() (map[string]*mesos.AgentInfo, *hostsvc.GetHostsFailure)

GetMatchingHosts tries to match the hosts through Host filter and it returns the hostname-> AgentInfo for the matched hosts. If the filter does not match, it returns the error

type RecoveryHandler 

type RecoveryHandler interface {
	Start() error
	Stop() error
}

RecoveryHandler defines the interface to be called by leader election callbacks.

func NewRecoveryHandler 

func NewRecoveryHandler(
	parent tally.Scope,
	taskStore storage.TaskStore,
	ormStore *ormobjects.Store,
	maintenanceQueue queue.MaintenanceQueue,
	masterOperatorClient mpb.MasterOperatorClient,
	maintenanceHostInfoMap host.MaintenanceHostInfoMap) RecoveryHandler

NewRecoveryHandler creates a recoveryHandler

type Server 

type Server struct {
	sync.Mutex

	ID string
	// contains filtered or unexported fields
}

Server contains all structs necessary to run a hostmgr server. This struct also implements leader.Node interface so that it can perform leader election among multiple host manager server instances.

func NewServer 

func NewServer(
	parent tally.Scope,
	backgroundManager background.Manager,
	httpPort, grpcPort int,
	mesosDetector mesos.MasterDetector,
	mesosInbound mhttp.Inbound,
	mesosOutbound transport.Outbounds,
	reconciler reconcile.TaskReconciler,
	recoveryHandler RecoveryHandler,
	drainer host.Drainer,
	reserver reserver.Reserver,
	watchProcessor watchevent.WatchProcessor,
	plugin plugins.Plugin,
	hostCache hostcache.HostCache) *Server

NewServer creates a host manager Server instance.

func (*Server) GainedLeadershipCallback 

func (s *Server) GainedLeadershipCallback() error

GainedLeadershipCallback is the callback when the current node becomes the leader

func (*Server) GetID 

func (s *Server) GetID() string

GetID function returns the peloton master address. This implements leader.Nomination.

func (*Server) HasGainedLeadership 

func (s *Server) HasGainedLeadership() bool

HasGainedLeadership returns true iff once GainedLeadershipCallback completes.

func (*Server) LostLeadershipCallback 

func (s *Server) LostLeadershipCallback() error

LostLeadershipCallback is the callback when the current node lost leadership.

func (*Server) ShutDownCallback 

func (s *Server) ShutDownCallback() error

ShutDownCallback is the callback to shut down gracefully if possible.

func (*Server) Start 

func (s *Server) Start()

Start starts the ticker

func (*Server) Stop 

func (s *Server) Stop()

Stop stops the ticker

type ServiceHandler 

type ServiceHandler struct {
	// contains filtered or unexported fields
}

ServiceHandler implements peloton.private.hostmgr.InternalHostService.

func NewServiceHandler 

func NewServiceHandler(
	d *yarpc.Dispatcher,
	metrics *metrics.Metrics,
	schedulerClient mpb.SchedulerClient,
	masterOperatorClient mpb.MasterOperatorClient,
	frameworkInfoProvider hostmgr_mesos.FrameworkInfoProvider,
	mesosConfig hostmgr_mesos.Config,
	mesosDetector hostmgr_mesos.MasterDetector,
	hmConfig *config.Config,
	maintenanceQueue mqueue.MaintenanceQueue,
	slackResourceTypes []string,
	maintenanceHostInfoMap host.MaintenanceHostInfoMap,
	watchProcessor watchevent.WatchProcessor,
	hostPoolManager manager.HostPoolManager,
) *ServiceHandler

NewServiceHandler creates a new ServiceHandler.

func (*ServiceHandler) AcquireHostOffers 

func (h *ServiceHandler) AcquireHostOffers(
	ctx context.Context,
	body *hostsvc.AcquireHostOffersRequest,
) (response *hostsvc.AcquireHostOffersResponse, err error)

AcquireHostOffers implements InternalHostService.AcquireHostOffers.

func (*ServiceHandler) CancelWatchEvent 

func (h *ServiceHandler) CancelWatchEvent(
	ctx context.Context,
	req *hostsvc.CancelWatchRequest,
) (*hostsvc.CancelWatchResponse, error)

Cancel cancels a watch. The watch stream will get an error indicating watch was cancelled and the stream will be closed.

func (*ServiceHandler) ClusterCapacity 

func (h *ServiceHandler) ClusterCapacity(
	ctx context.Context,
	body *hostsvc.ClusterCapacityRequest,
) (response *hostsvc.ClusterCapacityResponse, err error)

ClusterCapacity fetches the allocated resources to the framework

func (*ServiceHandler) CreateVolumes 

func (h *ServiceHandler) CreateVolumes(
	ctx context.Context,
	body *hostsvc.CreateVolumesRequest) (
	*hostsvc.CreateVolumesResponse, error)

CreateVolumes implements InternalHostService.CreateVolumes.

func (*ServiceHandler) DestroyVolumes 

func (h *ServiceHandler) DestroyVolumes(
	ctx context.Context,
	body *hostsvc.DestroyVolumesRequest) (
	*hostsvc.DestroyVolumesResponse, error)

DestroyVolumes implements InternalHostService.DestroyVolumes.

func (*ServiceHandler) DisableKillTasks 

func (h *ServiceHandler) DisableKillTasks(
	ctx context.Context,
	body *hostsvc.DisableKillTasksRequest,
) (*hostsvc.DisableKillTasksResponse, error)

DisableKillTasks toggles the flag to disable send kill tasks request to mesos master

func (*ServiceHandler) GetCompletedReservations 

func (h *ServiceHandler) GetCompletedReservations(
	ctx context.Context,
	req *hostsvc.GetCompletedReservationRequest,
) (*hostsvc.GetCompletedReservationResponse, error)

GetCompletedReservations gets the completed host reservations from reserver. Based on the reserver it returns the list of completed Reservations (hostsvc.CompletedReservation) or return the NoFound Error.

func (*ServiceHandler) GetDrainingHosts 

func (h *ServiceHandler) GetDrainingHosts(
	ctx context.Context,
	request *hostsvc.GetDrainingHostsRequest,
) (*hostsvc.GetDrainingHostsResponse, error)

GetDrainingHosts implements InternalHostService.GetDrainingHosts

func (*ServiceHandler) GetHosts 

func (h *ServiceHandler) GetHosts(
	ctx context.Context,
	body *hostsvc.GetHostsRequest,
) (response *hostsvc.GetHostsResponse, err error)

GetHosts implements InternalHostService.GetHosts. This function gets the hosts based on resource requirements and constraints passed in the request through hostsvc.HostFilter

func (*ServiceHandler) GetHostsByQuery 

func (h *ServiceHandler) GetHostsByQuery(
	ctx context.Context,
	body *hostsvc.GetHostsByQueryRequest,
) (*hostsvc.GetHostsByQueryResponse, error)

GetHostsByQuery implements InternalHostService.GetHostsByQuery. This function gets host resources from offer pool and filters host list based on the requirements passed in the request through hostsvc.HostFilter.

func (*ServiceHandler) GetMesosAgentInfo 

func (h *ServiceHandler) GetMesosAgentInfo(
	ctx context.Context,
	request *hostsvc.GetMesosAgentInfoRequest,
) (*hostsvc.GetMesosAgentInfoResponse, error)

GetMesosAgentInfo implements InternalHostService.GetMesosAgentInfo Returns Mesos agent info for a single agent or all agents.

func (*ServiceHandler) GetMesosMasterHostPort 

func (h *ServiceHandler) GetMesosMasterHostPort(
	ctx context.Context,
	body *hostsvc.MesosMasterHostPortRequest,
) (response *hostsvc.MesosMasterHostPortResponse, err error)

GetMesosMasterHostPort returns the Leader Mesos Master hostname and port.

func (*ServiceHandler) GetOutstandingOffers 

func (h *ServiceHandler) GetOutstandingOffers(
	ctx context.Context,
	body *hostsvc.GetOutstandingOffersRequest,
) (*hostsvc.GetOutstandingOffersResponse, error)

GetOutstandingOffers returns all the offers present in offer pool.

func (*ServiceHandler) GetReserver 

func (h *ServiceHandler) GetReserver() reserver.Reserver

GetReserver returns the reserver object

func (*ServiceHandler) KillAndReserveTasks 

func (h *ServiceHandler) KillAndReserveTasks(
	ctx context.Context,
	body *hostsvc.KillAndReserveTasksRequest,
) (*hostsvc.KillAndReserveTasksResponse, error)

KillAndReserveTasks implements InternalHostService.KillAndReserveTasks.

func (*ServiceHandler) KillTasks 

func (h *ServiceHandler) KillTasks(
	ctx context.Context,
	body *hostsvc.KillTasksRequest) (
	*hostsvc.KillTasksResponse, error)

KillTasks implements InternalHostService.KillTasks.

func (*ServiceHandler) LaunchTasks 

func (h *ServiceHandler) LaunchTasks(
	ctx context.Context,
	req *hostsvc.LaunchTasksRequest,
) (response *hostsvc.LaunchTasksResponse, err error)

LaunchTasks implements InternalHostService.LaunchTasks.

func (*ServiceHandler) MarkHostDrained 

func (h *ServiceHandler) MarkHostDrained(
	ctx context.Context,
	request *hostsvc.MarkHostDrainedRequest,
) (*hostsvc.MarkHostDrainedResponse, error)

MarkHostDrained implements InternalHostService.MarkHostDrained Mark the host as drained. This method is called by Resource Manager Drainer when there are no tasks on the DRAINING host

func (*ServiceHandler) OfferOperations 

func (h *ServiceHandler) OfferOperations(
	ctx context.Context,
	req *hostsvc.OfferOperationsRequest) (
	*hostsvc.OfferOperationsResponse,
	error)

OfferOperations implements InternalHostService.OfferOperations.

func (*ServiceHandler) ReleaseHostOffers 

func (h *ServiceHandler) ReleaseHostOffers(
	ctx context.Context,
	body *hostsvc.ReleaseHostOffersRequest,
) (response *hostsvc.ReleaseHostOffersResponse, err error)

ReleaseHostOffers implements InternalHostService.ReleaseHostOffers.

func (*ServiceHandler) ReleaseHostsHeldForTasks 

func (h *ServiceHandler) ReleaseHostsHeldForTasks(
	ctx context.Context,
	req *hostsvc.ReleaseHostsHeldForTasksRequest,
) (*hostsvc.ReleaseHostsHeldForTasksResponse, error)

ReleaseHostsHeldForTasks releases the hosts which are held for the tasks provided

func (*ServiceHandler) ReserveHosts 

func (h *ServiceHandler) ReserveHosts(
	ctx context.Context,
	req *hostsvc.ReserveHostsRequest,
) (*hostsvc.ReserveHostsResponse, error)

ReserveHosts reserves the host for a specified task in the request. Host Manager will keep the host offers to itself till the time it does not have enough offers to itself and once that's fulfilled it will return the reservation with the offer to placement engine. till the time reservation is fulfilled or reservation timeout , offers from that host will not be given to any other placement engine.

func (*ServiceHandler) ReserveResources 

func (h *ServiceHandler) ReserveResources(
	ctx context.Context,
	body *hostsvc.ReserveResourcesRequest) (
	*hostsvc.ReserveResourcesResponse, error)

ReserveResources implements InternalHostService.ReserveResources.

func (*ServiceHandler) ShutdownExecutors 

func (h *ServiceHandler) ShutdownExecutors(
	ctx context.Context,
	body *hostsvc.ShutdownExecutorsRequest,
) (response *hostsvc.ShutdownExecutorsResponse, err error)

ShutdownExecutors implements InternalHostService.ShutdownExecutors.

func (*ServiceHandler) UnreserveResources 

func (h *ServiceHandler) UnreserveResources(
	ctx context.Context,
	body *hostsvc.UnreserveResourcesRequest) (
	*hostsvc.UnreserveResourcesResponse, error)

UnreserveResources implements InternalHostService.UnreserveResources.

func (*ServiceHandler) WatchEventStreamEvent 

func (h *ServiceHandler) WatchEventStreamEvent(
	req *hostsvc.WatchEventRequest,
	stream hostsvc.InternalHostServiceServiceWatchEventStreamEventYARPCServer,
) error

func (*ServiceHandler) WatchHostSummaryEvent 

func (h *ServiceHandler) WatchHostSummaryEvent(
	req *hostsvc.WatchEventRequest,
	stream hostsvc.InternalHostServiceServiceWatchHostSummaryEventYARPCServer,
) error

WatchHostSummaryEvent creates a watch to get notified about changes to Host Summary event. Changed objects are streamed back to the caller till the watch is cancelled.

Source Files

View all Source files

Directories

Path Synopsis
factory
task
manager
Package mesos is copied from mesos-uns-bridge/mesos/detector.go with modifications : 1) refer to forked mesos-go dependencies
 Package mesos is copied from mesos-uns-bridge/mesos/detector.go with modifications : 1) refer to forked mesos-go dependencies
mesos-go
*
 *
mesos-go/detector
The detector package houses implementation of master detectors.
 The detector package houses implementation of master detectors.
mesos-go/detector/zoo
Zookeeper-based mesos-master leaderhip detection.
 Zookeeper-based mesos-master leaderhip detection.
mesos-go/detector/zoo/mock
mesos-go/mesosutil
mesos-go/upid
Package upid defines the UPID type and some utilities of the UPID.
 Package upid defines the UPID type and some utilities of the UPID.
yarpc/encoding/mpb
yarpc/peer
yarpc/transport/mhttp
offerpool
p2k
config
hostcache
hostmgrsvc
plugins
plugins/k8s
plugins/mesos
podeventmanager
scalar

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