Class: LeapCli::Config::Filter

Inherits:
Object
  • Object
show all
Defined in:
lib/leap_cli/config/filter.rb

Instance Method Summary collapse

Constructor Details

#initialize(filters, options, manager) ⇒ Filter

filter – array of strings, each one a filter options – hash, possible keys include

:nopin -- disregard environment pinning
:local -- if false, disallow local nodes

A nil value in the filters array indicates the default environment. This is in order to support calls like ‘manager.filter(environments)`



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# File 'lib/leap_cli/config/filter.rb', line 37

def initialize(filters, options, manager)
  @filters = filters.nil? ? [] : filters.dup
  @environments = []
  @options = options
  @manager = manager

  # split filters by pulling out items that happen
  # to be environment names.
  if LeapCli.leapfile.environment.nil? || @options[:nopin]
    @environments = []
  else
    @environments = [LeapCli.leapfile.environment]
  end
  @filters.select! do |filter|
    if filter.nil?
      @environments << nil unless @environments.include?(nil)
      false
    else
      filter_text = filter.sub(/^\+/,'')
      if is_environment?(filter_text)
        if filter_text == LeapCli.leapfile.environment
          # silently ignore already pinned environments
        elsif (filter =~ /^\+/ || @filters.first == filter) && !@environments.empty?
          LeapCli::Util.bail! do
            LeapCli::Util.log "Environments are exclusive: no node is in two environments." do
              LeapCli::Util.log "Tried to filter on '#{@environments.join('\' AND \'')}' AND '#{filter_text}'"
            end
          end
        else
          @environments << filter_text
        end
        false
      else
        true
      end
    end
  end

  # don't let the first filter have a + prefix
  if @filters[0] =~ /^\+/
    @filters[0] = @filters[0][1..-1]
  end
end

Instance Method Details

#nodes ⇒ Object

actually run the filter, returns a filtered list of nodes



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# File 'lib/leap_cli/config/filter.rb', line 82

def nodes()
  if @filters.empty?
    return nodes_for_empty_filter
  else
    return nodes_for_filter
  end
end