com.netflix.fenzo.plugins

Class VMLeaseObject

java.lang.Object

com.netflix.fenzo.plugins.VMLeaseObject

All Implemented Interfaces:

VirtualMachineLease

public class VMLeaseObject
extends java.lang.Object
implements VirtualMachineLease

An adapter class to transform a Mesos resource offer to a Fenzo VirtualMachineLease. Pass a Mesos Offer to the VMLeaseObject constructor to transform it into an object that implements the VirtualMachineLease interface.

Nested Class Summary

Nested classes/interfaces inherited from interface com.netflix.fenzo.VirtualMachineLease

VirtualMachineLease.Range

Constructor Summary

Constructors

Constructor and Description
VMLeaseObject(org.apache.mesos.Protos.Offer offer)

Method Summary

Modifier and Type	Method and Description
double	cpuCores() Get the number of cores (CPUs) on this host that are available for assigning.
double	diskMB() Get the amount of disk space, in MB, on this host that is avaialble for assigning.
java.util.Map<java.lang.String,org.apache.mesos.Protos.Attribute>	getAttributeMap() Get the map of Mesos attributes associated with this lease (offer).
java.lang.String	getId() Get the ID of the lease (offer ID).
org.apache.mesos.Protos.Offer	getOffer() Get the Mesos resource offer associated with this lease.
long	getOfferedTime() Get the time that this lease (offer) was obtained.
java.lang.Double	getScalarValue(java.lang.String name) Get the value of the scalar resource for the given name.
java.util.Map<java.lang.String,java.lang.Double>	getScalarValues() Get a map of all of the scalar resources with resource names as the key and resource value as the value.
java.lang.String	getVMID() Get the ID of the host (mesos slave ID).
java.lang.String	hostname() Get the name of the host offered in this lease.
double	memoryMB() Get the amount of memory, in MBs, on this host that is available for assigning.
double	networkMbps() Get the amount of network bandwidth, in Mbps, on this host that is available for assigning.
java.util.List<VirtualMachineLease.Range>	portRanges() Get the list of port ranges on this host that are available for assigning.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

VMLeaseObject

public VMLeaseObject(org.apache.mesos.Protos.Offer offer)

Method Detail

hostname

public java.lang.String hostname()

Description copied from interface: VirtualMachineLease

Get the name of the host offered in this lease.

Specified by:

hostname in interface VirtualMachineLease

Returns:

the host name

getVMID

public java.lang.String getVMID()

Description copied from interface: VirtualMachineLease

Get the ID of the host (mesos slave ID).

Specified by:

getVMID in interface VirtualMachineLease

Returns:

the host ID

cpuCores

public double cpuCores()

Description copied from interface: VirtualMachineLease

Get the number of cores (CPUs) on this host that are available for assigning.

Specified by:

cpuCores in interface VirtualMachineLease

Returns:

the number of CPUs

memoryMB

public double memoryMB()

Description copied from interface: VirtualMachineLease

Get the amount of memory, in MBs, on this host that is available for assigning.

Specified by:

memoryMB in interface VirtualMachineLease

Returns:

the amount of memory, in MB

networkMbps

public double networkMbps()

Description copied from interface: VirtualMachineLease

Get the amount of network bandwidth, in Mbps, on this host that is available for assigning.

Specified by:

networkMbps in interface VirtualMachineLease

Returns:

the network bandwidth, in Mbps

diskMB

public double diskMB()

Description copied from interface: VirtualMachineLease

Get the amount of disk space, in MB, on this host that is avaialble for assigning.

Specified by:

diskMB in interface VirtualMachineLease

Returns:

the amount of available disk space, in MB

getOffer

public org.apache.mesos.Protos.Offer getOffer()

Description copied from interface: VirtualMachineLease

Get the Mesos resource offer associated with this lease.

Specified by:

getOffer in interface VirtualMachineLease

Returns:

the Mesos resource offer

getId

public java.lang.String getId()

Description copied from interface: VirtualMachineLease

Get the ID of the lease (offer ID).

Specified by:

getId in interface VirtualMachineLease

Returns:

the lease ID

getOfferedTime

public long getOfferedTime()

Description copied from interface: VirtualMachineLease

Get the time that this lease (offer) was obtained.

Specified by:

getOfferedTime in interface VirtualMachineLease

Returns:

the time when this lease was obtained, in mSecs since epoch

portRanges

public java.util.List<VirtualMachineLease.Range> portRanges()

Description copied from interface: VirtualMachineLease

Get the list of port ranges on this host that are available for assigning.

Specified by:

portRanges in interface VirtualMachineLease

Returns:

a List of port ranges

getAttributeMap

public java.util.Map<java.lang.String,org.apache.mesos.Protos.Attribute> getAttributeMap()

Description copied from interface: VirtualMachineLease

Get the map of Mesos attributes associated with this lease (offer).

Specified by:

getAttributeMap in interface VirtualMachineLease

Returns:

a Map of attribute names to attribute values

getScalarValue

public java.lang.Double getScalarValue(java.lang.String name)

Description copied from interface: VirtualMachineLease

Get the value of the scalar resource for the given name.

Specified by:

getScalarValue in interface VirtualMachineLease

Parameters:

name - Name of the scalar resource.

Returns:

Value of the requested scalar resource if available, null otherwise.

getScalarValues

public java.util.Map<java.lang.String,java.lang.Double> getScalarValues()

Description copied from interface: VirtualMachineLease

Get a map of all of the scalar resources with resource names as the key and resource value as the value. Although cpus, memory, networkMbps, and disk are scalar resources, Fenzo currently treats them separately. Use this scalar values collection to specify scalar resources other than those four.

Specified by:

getScalarValues in interface VirtualMachineLease

Returns:

All of the scalar resources available.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object