Class: Krane::LabelSelector

Inherits:
Object
  • Object
show all
Defined in:
lib/krane/label_selector.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash) ⇒ LabelSelector

Returns a new instance of LabelSelector.



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# File 'lib/krane/label_selector.rb', line 29

def initialize(hash)
  @selector = hash
end

Class Method Details

.parse(string) ⇒ Object 



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# File 'lib/krane/label_selector.rb', line 5

def self.parse(string)
  selector = {}

  string.split(',').each do |kvp|
    key, value = kvp.split('=', 2)

    if key.blank?
      raise ArgumentError, "key is blank"
    end

    if key.end_with?("!")
      raise ArgumentError, "!= selectors are not supported"
    end

    if value&.start_with?("=")
      raise ArgumentError, "== selectors are not supported"
    end

    selector[key] = value
  end

  new(selector)
end

Instance Method Details

#to_h ⇒ Object 



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# File 'lib/krane/label_selector.rb', line 33

def to_h
  @selector
end

#to_s ⇒ Object 



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# File 'lib/krane/label_selector.rb', line 37

def to_s
  return "" if @selector.nil?
  @selector.map { |k, v| "#{k}=#{v}" }.join(",")
end