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

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

Instance Method Summary collapse

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 116

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 125

def enable
  service.enable_host(reference)
end

#host_cpus ⇒ Object 



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# File 'lib/fog/xenserver/models/compute/host.rb', line 77

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 87

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 65

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

#pifs ⇒ Object 



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# File 'lib/fog/xenserver/models/compute/host.rb', line 61

def pifs
  __pifs.map { |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 105

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 69

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

#resident_vms ⇒ Object 



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

def resident_vms
  resident_servers
end

#set_attribute(name, *val) ⇒ Object 



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# File 'lib/fog/xenserver/models/compute/host.rb', line 146

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 141

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