scheduler

package
v1.6.0 Latest Latest
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 Go to latest Published: Sep 10, 2024 License: Apache-2.0 Imports: 27 Imported by: 0

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Index

Constants

View Source 
const (
	DefaultCleanRootInterval        = 10000 * time.Millisecond // sleep between queue removal checks
	DefaultCleanExpiredAppsInterval = 24 * time.Hour           // sleep between apps removal checks
)

Variables

This section is empty.

Functions

func CreateCheckInfo 

func CreateCheckInfo(succeeded bool, name, description, message string) dao.HealthCheckInfo

func GetSchedulerHealthStatus 

func GetSchedulerHealthStatus(metrics *metrics.SchedulerMetrics, schedulerContext *ClusterContext) dao.SchedulerHealthDAOInfo

Types

type ClusterContext 

type ClusterContext struct {
	locking.RWMutex
	// contains filtered or unexported fields
}

func NewClusterContext 

func NewClusterContext(rmID, policyGroup string, config []byte) (*ClusterContext, error)

Create a new cluster context to be used outside of the event system. test only

func (*ClusterContext) GetApplication 

func (cc *ClusterContext) GetApplication(appID, partitionName string) *objects.Application

Get the scheduling application based on the ID from the partition. Returns nil if the partition or app cannot be found. Visible for tests

func (*ClusterContext) GetLastHealthCheckResult 

func (cc *ClusterContext) GetLastHealthCheckResult() *dao.SchedulerHealthDAOInfo

func (*ClusterContext) GetNode 

func (cc *ClusterContext) GetNode(nodeID, partitionName string) *objects.Node

Get a scheduling node based on its name from the partition. Returns nil if the partition or node cannot be found. Visible for tests

func (*ClusterContext) GetPartition 

func (cc *ClusterContext) GetPartition(partitionName string) *PartitionContext

func (*ClusterContext) GetPartitionMapClone 

func (cc *ClusterContext) GetPartitionMapClone() map[string]*PartitionContext

func (*ClusterContext) GetPartitionWithoutClusterID 

func (cc *ClusterContext) GetPartitionWithoutClusterID(partitionName string) *PartitionContext

func (*ClusterContext) GetPolicyGroup 

func (cc *ClusterContext) GetPolicyGroup() string

Get the config name.

func (*ClusterContext) GetQueue 

func (cc *ClusterContext) GetQueue(queueName string, partitionName string) *objects.Queue

Get the scheduling queue based on the queue path name from the partition. Returns nil if the partition or queue cannot be found. Visible for tests

func (*ClusterContext) GetRMInfoMapClone 

func (cc *ClusterContext) GetRMInfoMapClone() map[string]*RMInformation

func (*ClusterContext) GetStartTime 

func (cc *ClusterContext) GetStartTime() time.Time

func (*ClusterContext) GetUUID added in v1.4.0 

func (cc *ClusterContext) GetUUID() string

func (*ClusterContext) NeedPreemption 

func (cc *ClusterContext) NeedPreemption() bool

func (*ClusterContext) SetLastHealthCheckResult 

func (cc *ClusterContext) SetLastHealthCheckResult(c *dao.SchedulerHealthDAOInfo)

func (*ClusterContext) SetRMInfo 

func (cc *ClusterContext) SetRMInfo(rmID string, rmBuildInformation map[string]string)

func (*ClusterContext) Stop added in v1.5.0 

func (cc *ClusterContext) Stop()

func (*ClusterContext) UpdateRMSchedulerConfig 

func (cc *ClusterContext) UpdateRMSchedulerConfig(rmID string, config []byte) error

Locked version of the configuration update called outside of event system. Updates the current config via the config loader. Used in test only, normal updates use the internal call

type HealthChecker 

type HealthChecker struct {
	locking.RWMutex
	// contains filtered or unexported fields
}

func NewHealthChecker 

func NewHealthChecker(schedulerContext *ClusterContext) *HealthChecker

func (*HealthChecker) GetPeriod added in v1.2.0 

func (c *HealthChecker) GetPeriod() time.Duration

func (*HealthChecker) IsEnabled added in v1.2.0 

func (c *HealthChecker) IsEnabled() bool

func (*HealthChecker) Restart added in v1.2.0 

func (c *HealthChecker) Restart()

func (*HealthChecker) Start added in v1.2.0 

func (c *HealthChecker) Start()

Start executes healthCheck service in the background

func (*HealthChecker) Stop added in v1.2.0 

func (c *HealthChecker) Stop()

type PartitionContext 

type PartitionContext struct {
	RmID string // the RM the partition belongs to
	Name string // name of the partition

	// The partition write lock must not be held while manipulating an application.
	// Scheduling is running continuously as a lock free background task. Scheduling an application
	// acquires a write lock of the application object. While holding the write lock a list of nodes is
	// requested from the partition. This requires a read lock on the partition.
	// If the partition write lock is held while manipulating an application a dead lock could occur.
	// Since application objects handle their own locks there is no requirement to hold the partition lock
	// while manipulating the application.
	// Similarly adding, updating or removing a node or a queue should only hold the partition write lock
	// while manipulating the partition information not while manipulating the underlying objects.
	locking.RWMutex
	// contains filtered or unexported fields
}

func (*PartitionContext) AddApplication 

func (pc *PartitionContext) AddApplication(app *objects.Application) error

AddApplication adds a new application to the partition. Runs the placement rules for the queue resolution. Creates a new dynamic queue if the queue does not yet exists. NOTE: this is a lock free call. It must NOT be called holding the PartitionContext lock.

func (*PartitionContext) AddNode 

func (pc *PartitionContext) AddNode(node *objects.Node) error

AddNode adds the node to the partition. Updates the partition and root queue resources if the node is added successfully to the partition. NOTE: this is a lock free call. It must NOT be called holding the PartitionContext lock.

func (*PartitionContext) AddRejectedApplication 

func (pc *PartitionContext) AddRejectedApplication(rejectedApplication *objects.Application, rejectedMessage string)

func (*PartitionContext) GetAllocatedResource 

func (pc *PartitionContext) GetAllocatedResource() *resources.Resource

func (*PartitionContext) GetApplication added in v1.5.0 

func (pc *PartitionContext) GetApplication(appID string) *objects.Application

func (*PartitionContext) GetApplications 

func (pc *PartitionContext) GetApplications() []*objects.Application

GetApplications returns a slice of the current applications tracked by the partition.

func (*PartitionContext) GetCompletedApplications 

func (pc *PartitionContext) GetCompletedApplications() []*objects.Application

GetCompletedApplications returns a slice of the completed applications tracked by the partition.

func (*PartitionContext) GetCurrentState 

func (pc *PartitionContext) GetCurrentState() string

func (*PartitionContext) GetFullNodeIterator added in v1.3.0 

func (pc *PartitionContext) GetFullNodeIterator() objects.NodeIterator

Create an ordered node iterator based on the node sort policy set for this partition. The iterator is nil if there are no nodes available.

func (*PartitionContext) GetNode 

func (pc *PartitionContext) GetNode(nodeID string) *objects.Node

Get a node from the partition by nodeID.

func (*PartitionContext) GetNodeIterator 

func (pc *PartitionContext) GetNodeIterator() objects.NodeIterator

Create an ordered node iterator based on the node sort policy set for this partition. The iterator is nil if there are no unreserved nodes available.

func (*PartitionContext) GetNodeSortingPolicyType 

func (pc *PartitionContext) GetNodeSortingPolicyType() policies.SortingPolicy

func (*PartitionContext) GetNodeSortingResourceWeights 

func (pc *PartitionContext) GetNodeSortingResourceWeights() map[string]float64

func (*PartitionContext) GetNodes 

func (pc *PartitionContext) GetNodes() []*objects.Node

GetNodes returns a slice of all nodes unfiltered from the iterator

func (*PartitionContext) GetPartitionQueues 

func (pc *PartitionContext) GetPartitionQueues() dao.PartitionQueueDAOInfo

GetPartitionQueues builds the queue info for the whole queue structure to pass to the webservice

func (*PartitionContext) GetPlacementRules added in v1.6.0 

func (pc *PartitionContext) GetPlacementRules() []*dao.RuleDAO

GetPlacementRules returns the current active rule set as dao to expose to the webservice

func (*PartitionContext) GetQueue 

func (pc *PartitionContext) GetQueue(name string) *objects.Queue

GetQueue returns queue from the structure based on the fully qualified name. Wrapper around the unlocked version getQueueInternal() Visible by tests

func (*PartitionContext) GetRejectedApplications 

func (pc *PartitionContext) GetRejectedApplications() []*objects.Application

GetRejectedApplications returns a slice of the rejected applications tracked by the partition.

func (*PartitionContext) GetStateTime 

func (pc *PartitionContext) GetStateTime() time.Time

func (*PartitionContext) GetTotalAllocationCount 

func (pc *PartitionContext) GetTotalAllocationCount() int

func (*PartitionContext) GetTotalNodeCount 

func (pc *PartitionContext) GetTotalNodeCount() int

func (*PartitionContext) GetTotalPartitionResource 

func (pc *PartitionContext) GetTotalPartitionResource() *resources.Resource

func (*PartitionContext) UpdateAllocation added in v1.6.0 

func (pc *PartitionContext) UpdateAllocation(alloc *objects.Allocation) (requestCreated bool, allocCreated bool, err error)

UpdateAllocation adds or updates an Allocation. If the Allocation has no NodeID specified, it is considered a pending allocation and processed appropriate. This call is idempotent, and can be called multiple times with the same allocation (such as on change updates from the shim) Upon successfully processing, two flags are returned: requestCreated (if a new request was added) and allocCreated (if an allocation was satisifed). This can be used by callers that need this information to take further action. NOTE: this is a lock free call. It must NOT be called holding the PartitionContext lock.

type RMInformation 

type RMInformation struct {
	RMBuildInformation map[string]string
}

type Scheduler 

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

Main Scheduler service that starts the needed sub services

func NewScheduler 

func NewScheduler() *Scheduler

func (*Scheduler) GetClusterContext 

func (s *Scheduler) GetClusterContext() *ClusterContext

Visible by tests

func (*Scheduler) HandleEvent 

func (s *Scheduler) HandleEvent(ev interface{})

Implement methods for Scheduler events

func (*Scheduler) MultiStepSchedule 

func (s *Scheduler) MultiStepSchedule(nAlloc int)

The scheduler for testing which runs nAlloc times the normal schedule routine. Visible by tests

func (*Scheduler) StartService 

func (s *Scheduler) StartService(handlers handler.EventHandlers, manualSchedule bool)

Start service

func (*Scheduler) Stop added in v1.5.0 

func (s *Scheduler) Stop()

Source Files

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Directories

Path Synopsis
events
template
types

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