Class: VSphereCloud::Resources::Cluster

Inherits:
Object
  • Object
show all
Includes:
VimSdk
Defined in:
lib/cloud/vsphere/resources/cluster.rb

Constant Summary collapse

PROPERTIES = 
%w(name datastore resourcePool host)
HOST_PROPERTIES = 
%w(hardware.memorySize runtime.inMaintenanceMode)
HOST_COUNTERS = 
%w(mem.usage.average)

Constants included from VimSdk

VimSdk::BASE_VERSION, VimSdk::DYNAMIC_TYPES, VimSdk::SOAP_BODY_END, VimSdk::SOAP_BODY_START, VimSdk::SOAP_BODY_TAG, VimSdk::SOAP_END, VimSdk::SOAP_ENVELOPE_END, VimSdk::SOAP_ENVELOPE_START, VimSdk::SOAP_ENVELOPE_TAG, VimSdk::SOAP_FAULT_TAG, VimSdk::SOAP_HEADER_END, VimSdk::SOAP_HEADER_START, VimSdk::SOAP_HEADER_TAG, VimSdk::SOAP_NAMESPACE_MAP, VimSdk::SOAP_START, VimSdk::VERSION1, VimSdk::XMLNS_SOAPENC, VimSdk::XMLNS_SOAPENV, VimSdk::XMLNS_VMODL_BASE, VimSdk::XMLNS_XSD, VimSdk::XMLNS_XSI, VimSdk::XML_ENCODING, VimSdk::XML_HEADER

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(datacenter, datacenter_datastore_pattern, datacenter_persistent_datastore_pattern, mem_overcommit, cluster_config, properties, logger, client) ⇒ Cluster

Creates a new Cluster resource from the specified datacenter, cluster configuration, and prefetched properties.

Parameters:

  • VSphereCloud::Config (CloudConfig)
  • config (ClusterConfig) —

    cluster configuration as specified by the operator.

  • properties (Hash) —

    prefetched vSphere properties for the cluster.



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 35

def initialize(datacenter, datacenter_datastore_pattern, datacenter_persistent_datastore_pattern, mem_overcommit, cluster_config, properties, logger, client)
  @datacenter = datacenter
  @logger = logger
  @client = client
  @properties = properties

  @config = cluster_config
  @mob = properties[:obj]
  @resource_pool = ResourcePool.new(@client, @logger, cluster_config, properties["resourcePool"])
  @datacenter_datastore_pattern = datacenter_datastore_pattern
  @datacenter_persistent_datastore_pattern = datacenter_persistent_datastore_pattern
  @mem_overcommit = mem_overcommit
  @allocated_after_sync = 0
end

Instance Attribute Details

#allocated_after_sync ⇒ Integer

Returns memory allocated since utilization sync in MB.

Returns:

  • (Integer) —

    memory allocated since utilization sync in MB.



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 26

def allocated_after_sync
  @allocated_after_sync
end

#datacenter ⇒ Object

Returns the value of attribute datacenter.



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 18

def datacenter
  @datacenter
end

#mob ⇒ Object

Returns the value of attribute mob.



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 14

def mob
  @mob
end

#resource_pool ⇒ Object

Returns the value of attribute resource_pool.



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 22

def resource_pool
  @resource_pool
end

Instance Method Details

#allocate(memory) ⇒ void

This method returns an undefined value.

Marks the memory reservation against the cached utilization data.

Parameters:

  • memory (Integer) —

    size of memory reservation.



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 77

def allocate(memory)
  @allocated_after_sync += memory
end

#ephemeral_datastores ⇒ Object 



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 109

def ephemeral_datastores
  @ephemeral_datastores ||= select_datastores(@datacenter_datastore_pattern)
end

#free_memory ⇒ Integer

Returns amount of free memory in the cluster.

Returns:

  • (Integer) —

    amount of free memory in the cluster



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 60

def free_memory
  synced_free_memory -
    (@allocated_after_sync * @mem_overcommit).to_i
end

#inspect ⇒ String

Returns debug cluster information.

Returns:

  • (String) —

    debug cluster information.



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 105

def inspect
  "<Cluster: #{mob} / #{config.name}>"
end

#name ⇒ String

Returns cluster name.

Returns:



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 100

def name
  config.name
end

#persistent(datastore_name) ⇒ Datastore?

Returns the persistent datastore by name. This could be either from the exclusive or shared datastore pools.

Parameters:

  • datastore_name (String) —

    name of the datastore.

Returns:

  • (Datastore, nil) —

    the requested persistent datastore.



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 55

def persistent(datastore_name)
  persistent_datastores[datastore_name]
end

#persistent_datastores ⇒ Object 



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 113

def persistent_datastores
  @persistent_datastores ||= select_datastores(@datacenter_persistent_datastore_pattern)
end

#pick_ephemeral(size) ⇒ Datastore?

Picks the best datastore for the specified ephemeral disk.

Parameters:

  • size (Integer) —

    ephemeral disk size.

Returns:

  • (Datastore, nil) —

    best datastore if available for the requested size.



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 95

def pick_ephemeral(size)
  pick_store(:ephemeral, size)
end

#pick_persistent(size) ⇒ Datastore?

Picks the best datastore for the specified persistent disk.

Parameters:

  • size (Integer) —

    persistent disk size.

Returns:

  • (Datastore, nil) —

    best datastore if available for the requested size.



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 86

def pick_persistent(size)
  pick_store(:persistent, size)
end

#total_free_ephemeral_disk_in_mb ⇒ Object 



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 65

def total_free_ephemeral_disk_in_mb
  ephemeral_datastores.values.map(&:free_space).inject(0, :+)
end

#total_free_persistent_disk_in_mb ⇒ Object 



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# File 'lib/cloud/vsphere/resources/cluster.rb', line 69

def total_free_persistent_disk_in_mb
  persistent_datastores.values.map(&:free_space).inject(0, :+)
end