Class: OpenNebula::Cluster

Inherits:

PoolElement

• Object
• XMLElement
• PoolElement
• OpenNebula::Cluster

show all

Defined in:

opennebula/cluster.rb

Constant Summary

CLUSTER_METHODS =

Constants and Class Methods

{
    :info           => "cluster.info",
    :allocate       => "cluster.allocate",
    :delete         => "cluster.delete",
    :addhost        => "cluster.addhost",
    :delhost        => "cluster.delhost",
    :adddatastore   => "cluster.adddatastore",
    :deldatastore   => "cluster.deldatastore",
    :addvnet        => "cluster.addvnet",
    :delvnet        => "cluster.delvnet",
    :update         => "cluster.update",
}

Class Method Summary (collapse)

• + (Object) build_xml(pe_id = nil)

  Creates a Cluster description with just its identifier this method should be used to create plain Cluster objects.

Instance Method Summary (collapse)

• - (nil, OpenNebula::Error) adddatastore(ds_id)

  Adds a Datastore to this Cluster.

• - (nil, OpenNebula::Error) addhost(hid)

  Adds a Host to this Cluster.

• - (nil, OpenNebula::Error) addvnet(vnet_id)

  Adds a VNet to this Cluster.

• - (Object) allocate(clustername)

  Allocates a new Cluster in OpenNebula.

• - (Boolean) contains_datastore?(id)

  Returns whether or not the datastore with 'id' is part of this cluster.

• - (Boolean) contains_host?(id)

  Returns whether or not the host with 'id' is part of this cluster.

• - (Boolean) contains_vnet?(id)

  Returns whether or not the vnet with 'id' is part of this cluster.

• - (Array<Integer>) datastore_ids

  Returns an array with the numeric datastore ids.

• - (nil, OpenNebula::Error) deldatastore(ds_id)

  Deletes a Datastore from this Cluster.

• - (Object) delete

  Deletes the Cluster.

• - (nil, OpenNebula::Error) delhost(hid)

  Deletes a Host from this Cluster.

• - (nil, OpenNebula::Error) delvnet(vnet_id)

  Deletes a VNet from this Cluster.

• - (Array<Integer>) host_ids

  Returns an array with the numeric host ids.

• - (Object) info (also: #info!)

  Retrieves the information of the given Cluster.

• - (Cluster) initialize(xml, client) constructor

  Class constructor.

• - (nil, OpenNebula::Error) update(new_template, append = false)

  Replaces the template contents.

• - (Array<Integer>) vnet_ids

  Returns an array with the numeric vnet ids.

Methods inherited from PoolElement

#id, #name, new_with_id, #to_str

Methods inherited from XMLElement

#[], #add_element, #attr, #delete_element, #each, #each_xpath, #element_xml, #has_elements?, #initialize_xml, #name, #retrieve_elements, #template_like_str, #template_str, #template_xml, #text, #to_hash, #to_xml

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# File 'opennebula/cluster.rb', line 57

def initialize(xml, client)
    super(xml,client)
end

cluster = Cluster.new(Cluster.build_xml(3),rpc_client)

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# File 'opennebula/cluster.rb', line 46

def Cluster.build_xml(pe_id=nil)
    if pe_id
        cluster_xml = "<CLUSTER><ID>#{pe_id}</ID></CLUSTER>"
    else
        cluster_xml = "<CLUSTER></CLUSTER>"
    end

    XMLElement.build_xml(cluster_xml,'CLUSTER')
end

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# File 'opennebula/cluster.rb', line 114

def adddatastore(ds_id)
    return Error.new('ID not defined') if !@pe_id

    rc = @client.call(CLUSTER_METHODS[:adddatastore], @pe_id, ds_id)
    rc = nil if !OpenNebula.is_error?(rc)

    return rc
end

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# File 'opennebula/cluster.rb', line 88

def addhost(hid)
    return Error.new('ID not defined') if !@pe_id

    rc = @client.call(CLUSTER_METHODS[:addhost], @pe_id, hid)
    rc = nil if !OpenNebula.is_error?(rc)

    return rc
end

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# File 'opennebula/cluster.rb', line 140

def addvnet(vnet_id)
    return Error.new('ID not defined') if !@pe_id

    rc = @client.call(CLUSTER_METHODS[:addvnet], @pe_id, vnet_id)
    rc = nil if !OpenNebula.is_error?(rc)

    return rc
end

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# File 'opennebula/cluster.rb', line 75

def allocate(clustername)
    super(CLUSTER_METHODS[:allocate], clustername)
end

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# File 'opennebula/cluster.rb', line 200

def contains_datastore?(id)
    contains_resource?('DATASTORES/ID', id)
end

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# File 'opennebula/cluster.rb', line 181

def contains_host?(id)
    contains_resource?('HOSTS/ID', id)
end

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# File 'opennebula/cluster.rb', line 219

def contains_vnet?(id)
    contains_resource?('VNETS/ID', id)
end

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# File 'opennebula/cluster.rb', line 206

def datastore_ids
    array = Array.new

    self.each("DATASTORES/ID") do |id|
        array << id.text.to_i
    end

    return array
end

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# File 'opennebula/cluster.rb', line 127

def deldatastore(ds_id)
    return Error.new('ID not defined') if !@pe_id

    rc = @client.call(CLUSTER_METHODS[:deldatastore], @pe_id, ds_id)
    rc = nil if !OpenNebula.is_error?(rc)

    return rc
end

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# File 'opennebula/cluster.rb', line 80

def delete()
    super(CLUSTER_METHODS[:delete])
end

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# File 'opennebula/cluster.rb', line 101

def delhost(hid)
    return Error.new('ID not defined') if !@pe_id

    rc = @client.call(CLUSTER_METHODS[:delhost], @pe_id, hid)
    rc = nil if !OpenNebula.is_error?(rc)

    return rc
end

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# File 'opennebula/cluster.rb', line 153

def delvnet(vnet_id)
    return Error.new('ID not defined') if !@pe_id

    rc = @client.call(CLUSTER_METHODS[:delvnet], @pe_id, vnet_id)
    rc = nil if !OpenNebula.is_error?(rc)

    return rc
end

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# File 'opennebula/cluster.rb', line 187

def host_ids
    array = Array.new

    self.each("HOSTS/ID") do |id|
        array << id.text.to_i
    end

    return array
end

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# File 'opennebula/cluster.rb', line 66

def info()
    super(CLUSTER_METHODS[:info], 'CLUSTER')
end

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# File 'opennebula/cluster.rb', line 170

def update(new_template, append=false)
    super(CLUSTER_METHODS[:update], new_template, append ? 1 : 0)
end

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# File 'opennebula/cluster.rb', line 225

def vnet_ids
    array = Array.new

    self.each("VNETS/ID") do |id|
        array << id.text.to_i
    end

    return array
end