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This feature will come as a separate plugin which will use the PluggableService to add the DedicatedResources feature APIs into CloudStack, the DedicatedResourceManager will be responsible for thread scheduling and the DedicatedResourcePlanner which ExplicitDedicationProcessor will implement AffinityGroupProcessor adapter and  ImplicitDedicationPlanner will implement a deployment planner interface.

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• Dedicating Resources (Explicit or Implicit)**  
  • dedicateZone
  • dedicatePoddedicatePoe
  • dedicateCluster
  • dedicateHost

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      Parameters include:
       a)    ZoneId/PodId/ClusterId/HostId
       b)    DomainId
       c)    AccountId

         dd)    ImplicitDedication      

   Note: Either "DomainId or AccountId" OR "ImplicitDedication Flag" can be provided as a parameter but not both. If neither of them specified, fail the request.

• Release dedication of resources **
  • releaseDedicatedZone
  • releaseDedicatedPod
  • releaseDedicatedCluster
  • releaseDedicatedHost

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• Listing Dedicated resources per account/domain**
  • listDedicatedZones
  • listDedicatedPods
  • listDedicatedClusters
  • listDedicatedHosts

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       d)    ImplicitDedication flag

Existing API modification:

• createServiceOffering:  Request Parameter Addition:

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Parameter Name

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Description

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Required

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isdedicated

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DB Changes:

1. New Table : dedicated_resources (id, uuid, zone_id, pod_id, cluster_id, host_id, domain_id, account_id)
      || Field || Type || Null || Key || Default || Extra ||

   id	bigint(20) unsigned	NO	PRI	NULL	auto_increment
   uuid	varchar(40)	YES	UNI	NULL
   data_center_id	bigint(20) unsigned	NO	MUL	NULL
   pod_id	bigint(20) unsigned	NO	MUL	NULL
   cluster_id	bigint(20) unsigned	NO	MUL	NULL
   host_id	bigint(20) unsigned	NO	MUL	NULL
   domain_id	bigint(20) unsigned	YES	MUL	NULL
   account_id	bigint(20) unsigned	YES	MUL	NULL
   implicit_dedication	tinyint(1) unsigned	NO	MUL	0

2. service_offering table: Introduce a column “isdedicated” in  service_offering table. Default value should be 0.

UI flow

• TBD
• Pluggable UI when ImplicitDedicationPlanner is selected in ServiceOfferingAdd a check option in "Add Compute Offering" for is_dedicated flag.