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module HostParams
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extend ActiveSupport::Concern
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included do
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has_many :host_parameters, :dependent => :destroy, :foreign_key => :reference_id, :inverse_of => :host
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has_many :parameters, :dependent => :destroy, :foreign_key => :reference_id, :class_name => "HostParameter"
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accepts_nested_attributes_for :host_parameters, :allow_destroy => true
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include ParameterValidators
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attr_reader :cached_host_params
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def params
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host_params.update(lookup_keys_params)
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end
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def clear_host_parameters_cache!
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@cached_host_params = nil
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end
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def host_inherited_params(include_source = false)
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hp = {}
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params = host_inherited_params_objects
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params.each do |param|
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source = param.associated_type
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options = {:value => param.value,
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:source => source,
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:safe_value => param.safe_value }
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if source != 'global'
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options.merge!(:source_name => param.associated_label)
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end
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hp.update(Hash[param.name => include_source ? options : param.value])
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end
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hp
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end
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def host_params
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return cached_host_params unless cached_host_params.blank?
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hp = host_inherited_params
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# and now read host parameters, override if required
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host_parameters.each {|p| hp.update Hash[p.name => p.value] }
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@cached_host_params = hp
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end
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def host_inherited_params_objects
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params = CommonParameter.all
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if SETTINGS[:organizations_enabled] && organization
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params += extract_params_from_object_ancestors(organization)
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end
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if SETTINGS[:locations_enabled] && location
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params += extract_params_from_object_ancestors(location)
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end
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params += domain.domain_parameters if domain
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params += operatingsystem.os_parameters if operatingsystem
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params += extract_params_from_object_ancestors(hostgroup) if hostgroup
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params
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end
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def host_params_objects
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# Host parameters should always be first for the uniq order
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(host_parameters + host_inherited_params_objects.reverse!).uniq {|param| param.name}
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end
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end
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end
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