Class: Fog::Compute::XenServer::Host

Inherits:
Model
  • Object
show all
Defined in:
lib/fog/xenserver/models/compute/host.rb

Instance Attribute Summary

Attributes inherited from Model

#collection, #service

Instance Method Summary collapse

Methods inherited from Model

#initialize, #inspect, #reload, #symbolize_keys, #to_json, #wait_for

Methods included from Attributes::ClassMethods

#_load, #aliases, #attribute, #attributes, #identity, #ignore_attributes, #ignored_attributes

Methods included from Fog::Core::DeprecatedConnectionAccessors

#connection, #connection=, #prepare_service_value

Methods included from Attributes::InstanceMethods

#_dump, #attributes, #dup, #identity, #identity=, #merge_attributes, #new_record?, #persisted?, #requires, #requires_one

Constructor Details

This class inherits a constructor from Fog::Model

Instance Method Details

#disable ⇒ Object

Puts the host into a state in which no new VMs can be started. Currently active VMs on the host continue to execute.

See Also:



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# File 'lib/fog/xenserver/models/compute/host.rb', line 84

def disable 
  service.disable_host(reference)
end

#enable ⇒ Object

Puts the host into a state in which new VMs can be started.

See Also:



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# File 'lib/fog/xenserver/models/compute/host.rb', line 93

def enable
  service.enable_host(reference)
end

#host_cpus ⇒ Object 



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# File 'lib/fog/xenserver/models/compute/host.rb', line 45

def host_cpus
  cpus = []
  (__host_cpus || []).each do |ref|
    cpu_ref = service.get_record(ref, 'host_cpu' )
    cpu_ref[:service] = service
    cpus << Fog::Compute::XenServer::HostCpu.new(cpu_ref)
  end
  cpus
end

#metrics ⇒ Object 



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# File 'lib/fog/xenserver/models/compute/host.rb', line 55

def metrics
  return nil unless __metrics
  rec = service.get_record(__metrics, 'host_metrics' )
  Fog::Compute::XenServer::HostMetrics.new(rec)
end

#pbds ⇒ Object 



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# File 'lib/fog/xenserver/models/compute/host.rb', line 33

def pbds
  __pbds.collect { |pbd| service.pbds.get pbd }
end

#pifs ⇒ Object 



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# File 'lib/fog/xenserver/models/compute/host.rb', line 29

def pifs
  __pifs.collect { |pif| service.pifs.get pif }
end

#reboot(auto_disable = true) ⇒ Object

Reboot the host disabling it first unless auto_disable is set to false

This function can only be called if there are no currently running VMs on the host and it is disabled. If there are running VMs, it will raise an exception.

Parameters:

  • auto_disable (Boolean) (defaults to: true) —

    disable the host first

See Also:



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# File 'lib/fog/xenserver/models/compute/host.rb', line 73

def reboot(auto_disable = true)
  disable if auto_disable
  service.reboot_host(reference)
end

#resident_servers ⇒ Object 



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# File 'lib/fog/xenserver/models/compute/host.rb', line 37

def resident_servers
  __resident_vms.collect { |ref| service.servers.get ref }
end

#resident_vms ⇒ Object 



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# File 'lib/fog/xenserver/models/compute/host.rb', line 41

def resident_vms
  resident_servers
end

#set_attribute(name, *val) ⇒ Object 



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# File 'lib/fog/xenserver/models/compute/host.rb', line 114

def set_attribute(name, *val)
  data = service.set_attribute( 'host', reference, name, *val )
  # Do not reload automatically for performance reasons
  # We can set multiple attributes at the same time and
  # then reload manually
  #reload
end

#shutdown(auto_disable = true) ⇒ Object

Shutdown the host disabling it first unless auto_disable is set to false.

This function can only be called if there are no currently running VMs on the host and it is disabled. If there are running VMs, it will raise an exception.

Parameters:

  • auto_disable (Boolean) (defaults to: true) —

    disable the host first

See Also:



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# File 'lib/fog/xenserver/models/compute/host.rb', line 109

def shutdown(auto_disable = true)
  disable if auto_disable
  service.shutdown_host(reference)
end