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class Hostgroup < ActiveRecord::Base
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has_ancestry :orphan_strategy => :rootify
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include Authorization
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include HostCommon
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include Vm
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has_and_belongs_to_many :puppetclasses
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has_and_belongs_to_many :users, :join_table => "user_hostgroups"
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validates_uniqueness_of :name, :scope => :ancestry, :case_sensitive => false
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validates_format_of :name, :with => /\A(\S+\s?)+\Z/, :message => "can't be blank or contain trailing white spaces."
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has_many :group_parameters, :dependent => :destroy, :foreign_key => :reference_id
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accepts_nested_attributes_for :group_parameters, :reject_if => lambda { |a| a[:value].blank? }, :allow_destroy => true
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has_many :hosts
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before_destroy Ensure_not_used_by.new(:hosts)
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has_many :config_templates, :through => :template_combinations
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has_many :template_combinations
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before_save :serialize_vm_attributes
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default_scope :order => 'LOWER(hostgroups.name)'
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alias_attribute :os, :operatingsystem
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alias_attribute :label, :to_label
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acts_as_audited
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scoped_search :on => :name, :complete_value => :true
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scoped_search :in => :group_parameters, :on => :value, :on_key=> :name, :complete_value => true, :only_explicit => true, :rename => :params
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scoped_search :in => :hosts, :on => :name, :complete_value => :true, :rename => "host"
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scoped_search :in => :puppetclasses, :on => :name, :complete_value => true, :rename => :class, :operators => ['= ', '~ ']
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scoped_search :in => :environment, :on => :name, :complete_value => :true, :rename => :environment
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if SETTINGS[:unattended]
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scoped_search :in => :architecture, :on => :name, :complete_value => :true, :rename => :architecture
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scoped_search :in => :operatingsystem, :on => :name, :complete_value => true, :rename => :os
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scoped_search :in => :medium, :on => :name, :complete_value => :true, :rename => "medium"
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scoped_search :in => :config_templates, :on => :name, :complete_value => :true, :rename => "template"
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end
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class Jail < Safemode::Jail
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allow :name, :diskLayout, :puppetmaster, :operatingsystem, :architecture,
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:environment, :ptable, :url_for_boot, :params, :puppetproxy
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end
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#TODO: add a method that returns the valid os for a hostgroup
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def all_puppetclasses
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classes
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end
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def to_label
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return unless name
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return name if ancestry.empty?
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ancestors.map{|a| a.name + "/"}.join + name
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end
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def to_param
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"#{id}-#{to_label.parameterize}"
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end
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def as_json(options={})
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super({:only => [:name, :subnet_id, :operatingsystem_id, :domain_id, :id], :methods => [:label, :classes, :parameters].concat(Vm::PROPERTIES), :include => [:environment]}.merge(options))
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end
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def hostgroup
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self
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end
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def diskLayout
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ptable.layout
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end
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def classes
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klasses = []
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ids = ancestor_ids
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ids << id unless new_record? or self.frozen?
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Hostgroup.sort_by_ancestry(Hostgroup.find(ids, :include => :puppetclasses)).each do |hg|
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klasses << hg.puppetclasses
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end
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klasses.flatten.sort
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end
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# returns self and parent parameters as a hash
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def parameters
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hash = {}
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ids = ancestor_ids
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ids << id unless new_record? or self.frozen?
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Hostgroup.sort_by_ancestry(Hostgroup.find(ids, :include => :group_parameters)).each do |hg|
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hg.group_parameters.each {|p| hash[p.name] = p.value }
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end
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hash
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end
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def params
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parameters = {}
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# read common parameters
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CommonParameter.all.each {|p| parameters.update Hash[p.name => p.value] }
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# read OS parameters
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operatingsystem.os_parameters.each {|p| parameters.update Hash[p.name => p.value] } unless operatingsystem.nil?
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# read group parameters only if a host belongs to a group
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parameters.update self.parameters unless hostgroup.nil?
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parameters
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end
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def vm_defaults
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YAML.load(read_attribute(:vm_defaults))
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rescue
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{}
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end
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def vm_defaults=(v={})
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raise "defaults must be a hash" unless v.is_a?(Hash)
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v.delete_if{|attr, value| not Vm::PROPERTIES.include?(attr.to_sym)}
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write_attribute :vm_defaults, v.to_yaml
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end
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def after_find
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deserialize_vm_attributes
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end
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private
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def serialize_vm_attributes
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hash = {}
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Vm::PROPERTIES.each do |attr|
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value = self.send(attr)
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hash[attr.to_s] = value if value
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end
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self.vm_defaults = hash
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end
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def deserialize_vm_attributes
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hash = vm_defaults
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Vm::PROPERTIES.each do |attr|
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eval("@#{attr} = hash[attr.to_s]") if hash.has_key?(attr.to_s)
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end
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end
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end
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