org.openspaces.grid.gsm.machines

Interface MachinesSlaEnforcementEndpoint

All Superinterfaces:

ServiceLevelAgreementEnforcementEndpoint

public interface MachinesSlaEnforcementEndpoint
extends ServiceLevelAgreementEnforcementEndpoint

A service that on demand enforces the specified number of machines.

Author:

itaif

See Also:

CapacityMachinesSlaPolicy

Method Summary

Modifier and Type	Method and Description
void	afterUndeployedProcessingUnit(ProcessingUnit pu) Erases all Allocated (state) that is related to the specified processing unit.
void	beforeUndeployedProcessingUnit(ProcessingUnit pu) Marks that the processing unit is being undeployed.
void	cleanupCloud(ProcessingUnit pu, NonBlockingElasticMachineProvisioning machineProvisioning) Erases all Allocated (state) that is related to the specified processing unit.
void	enforceSla(CapacityMachinesSlaPolicy sla)
void	enforceSla(EagerMachinesSlaPolicy sla)
CapacityRequirementsPerAgent	getAllocatedCapacity(AbstractMachinesSlaPolicy sla)
CapacityRequirementsPerAgent	getAllocatedCapacityFilterUndiscoveredAgents(AbstractMachinesSlaPolicy sla)
Set<ZonesConfig>	getGridServiceAgentsZones()
MachinesSlaEnforcementState.RecoveryState	getRecoveredStateOnEsmStart(ProcessingUnit processingUnit)
Set<ZonesConfig>	getUndeployedGridServiceAgentsZones()
void	recoveredStateOnEsmStart(ProcessingUnit processingUnit) Mark that the specified processing unit has recovered state.
void	recoverStateOnEsmStart(AbstractMachinesSlaPolicy sla) Recover state for the specified SLA.
boolean	replaceAllocatedCapacity(AbstractMachinesSlaPolicy sla) Replaces the allocated capacity of the specified sla zones, with the allocated capacity

Method Detail

enforceSla

void enforceSla(EagerMachinesSlaPolicy sla)
         throws GridServiceAgentSlaEnforcementInProgressException

Throws:

GridServiceAgentSlaEnforcementInProgressException

enforceSla

void enforceSla(CapacityMachinesSlaPolicy sla)
         throws MachinesSlaEnforcementInProgressException,
                GridServiceAgentSlaEnforcementInProgressException

Throws:

MachinesSlaEnforcementInProgressException

GridServiceAgentSlaEnforcementInProgressException

getAllocatedCapacityFilterUndiscoveredAgents

CapacityRequirementsPerAgent getAllocatedCapacityFilterUndiscoveredAgents(AbstractMachinesSlaPolicy sla)

Returns:

a list of agents for this pu including memory/cpu for each. Non-discovered agents are removed from returned capacity

getAllocatedCapacity

CapacityRequirementsPerAgent getAllocatedCapacity(AbstractMachinesSlaPolicy sla)

Returns:

a list of agents for this pu including memory/cpu for each. Non-discovered agents throw IllegalStateException

recoverStateOnEsmStart

void recoverStateOnEsmStart(AbstractMachinesSlaPolicy sla)
                     throws SomeProcessingUnitsHaveNotCompletedStateRecoveryException,
                            NeedToWaitUntilAllGridServiceAgentsDiscoveredException,
                            UndeployInProgressException

Recover state for the specified SLA.

Throws:

UndeployInProgressException

SomeProcessingUnitsHaveNotCompletedStateRecoveryException

NeedToWaitUntilAllGridServiceAgentsDiscoveredException

Since:

9.1.0

recoveredStateOnEsmStart

void recoveredStateOnEsmStart(ProcessingUnit processingUnit)

Mark that the specified processing unit has recovered state.

Since:

9.1.0

getRecoveredStateOnEsmStart

MachinesSlaEnforcementState.RecoveryState getRecoveredStateOnEsmStart(ProcessingUnit processingUnit)

Returns:

true if the specified processing unit has recovered state

Since:

9.5

getGridServiceAgentsZones

Set<ZonesConfig> getGridServiceAgentsZones()

Returns:

a list of zones that are being tracked for the specified processing unit

getUndeployedGridServiceAgentsZones

Set<ZonesConfig> getUndeployedGridServiceAgentsZones()

Returns:

a list of zones that are being tracked for the specified processing unit, but do not have any state

replaceAllocatedCapacity

boolean replaceAllocatedCapacity(AbstractMachinesSlaPolicy sla)

Replaces the allocated capacity of the specified sla zones, with the allocated capacity

Returns:

true if actually changed anything in the allocation

Since:

9.1.0

beforeUndeployedProcessingUnit

void beforeUndeployedProcessingUnit(ProcessingUnit pu)

Marks that the processing unit is being undeployed.

Since:

9.1.0

afterUndeployedProcessingUnit

void afterUndeployedProcessingUnit(ProcessingUnit pu)

Erases all Allocated (state) that is related to the specified processing unit.

Since:

9.1.0

cleanupCloud

void cleanupCloud(ProcessingUnit pu,
                  NonBlockingElasticMachineProvisioning machineProvisioning)
           throws MachinesSlaEnforcementInProgressException

Erases all Allocated (state) that is related to the specified processing unit. Calls cloud driver NonBlockingElasticMachineProvisioning.cleanupCloudResources(long, java.util.concurrent.TimeUnit)

Parameters:

pu - - the processing unit in which the cloud resources needs to be cleaned.

machineProvisioning -

Throws:

MachinesSlaEnforcementInProgressException

Since:

9.6