Class: Hocho::Inventory

Inherits:
Object
  • Object
show all
Defined in:
lib/hocho/inventory.rb

Instance Method Summary collapse

Constructor Details

#initialize(providers, property_providers) ⇒ Inventory

Returns a new instance of Inventory.



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# File 'lib/hocho/inventory.rb', line 3

def initialize(providers, property_providers)
  @providers = providers
  @property_providers = property_providers
end

Instance Method Details

#filter(include_filters, exclude_filters: []) ⇒ Object 



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# File 'lib/hocho/inventory.rb', line 23

def filter(include_filters, exclude_filters: [])
  include_filters, exclude_filters = [include_filters, exclude_filters].map do |f|
    f.map do |name, value|
      values = value.to_s.split(?,).map! do |_|
        if _[0] == '/' && _[-1] == '/'
          Regexp.new(_[1...-1])
        else
          /#{Regexp.escape(_).gsub(/\*/,'.*')}/
        end
      end
      [name.to_s, values]
    end.to_h
  end

  filters = include_filters.map do |name, conditions|
    [name, [conditions, exclude_filters.fetch(name, [])]]
  end

  hosts.select do |host|
    filters.all? do |name, (conditions, exclude_conditions)|
      case name
      when 'name'
        conditions.any? { |c| host.name.match(c) } && !exclude_conditions.any? { |c| host.name.match(c) }
      else
        v = (host.attributes[name] || host.attributes[name.to_sym] || host.tags[name] || host.tags[name.to_sym])
        v && conditions.any? { |c| v.to_s.match(c) } && !exclude_conditions.any?{ |c| v.to_s.match(c) }
      end
    end
  end
end

#hosts ⇒ Object 



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# File 'lib/hocho/inventory.rb', line 8

def hosts
  @hosts ||= @providers.inject({}) do |r,provider|
    provider.hosts.each do |host|
      if r.key?(host.name)
        r[host.name].merge!(host)
      else
        r[host.name] = host
      end
    end
    r
  end.each do |name, host|
    host.apply_property_providers(@property_providers)
  end.values
end