Class: OsCtld::Assets::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/osctld/assets/base.rb

Direct Known Subclasses

BaseFile, CgroupDeviceList, CgroupProgram, Dataset, Entry

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, opts, &block) ⇒ Base

Returns a new instance of Base.

Parameters:

  • path (String)
  • opts (Hash) —

    asset-specific options

Options Hash (opts):

  • desc (String) —

    description

  • validate_if (Proc) 


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# File 'lib/osctld/assets/base.rb', line 18

def initialize(path, opts, &block)
  @path = path
  @opts = opts
  @block_validators = []
  @errors = []
  @valid = nil
  @state = nil

  block.call(self) if block
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/osctld/assets/base.rb', line 12

def errors
  @errors
end

#opts ⇒ Object (readonly)

Returns the value of attribute opts.



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# File 'lib/osctld/assets/base.rb', line 12

def opts
  @opts
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/osctld/assets/base.rb', line 12

def path
  @path
end

Class Method Details

.register(type) ⇒ Object 



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# File 'lib/osctld/assets/base.rb', line 3

def self.register(type)
  @type = type
  Assets.register(type, self)
end

.type ⇒ Object 



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# File 'lib/osctld/assets/base.rb', line 8

def self.type
  @type
end

Instance Method Details

#add_error(error) ⇒ Object 



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# File 'lib/osctld/assets/base.rb', line 71

def add_error(error)
  @errors << error
end

#prefetch_zfs ⇒ Array< Array<String>, Array<String> >

Return a list of datasets and a list properties needed for validation

Returns:

  • (Array< Array<String>, Array<String> >) 


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# File 'lib/osctld/assets/base.rb', line 35

def prefetch_zfs
  [[], []]
end

#run_validation(run) ⇒ Object (protected)

Parameters:



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# File 'lib/osctld/assets/base.rb', line 77

def run_validation(run)
  @valid = nil
  @state = nil
  @errors = []

  unless validate?
    @state = :unknown
    return
  end

  validate(run)

  @block_validators.each do |block_validator|
    block_validator.call(self, run)
  end

  @valid = errors.empty?
  @state = @valid ? :valid : :invalid
end

#state ⇒ :valid, ...

Returns:

  • (:valid, :invalid, :unknown) 


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# File 'lib/osctld/assets/base.rb', line 66

def state
  fail 'asset not validated' if @state.nil?
  @state
end

#type ⇒ Object 



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# File 'lib/osctld/assets/base.rb', line 29

def type
  self.class.type
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/osctld/assets/base.rb', line 55

def valid?
  if @valid.nil?
    fail 'asset not validated'
  elsif !validate?
    fail 'asset cannot be validated'
  end

  @valid
end

#validate(run) ⇒ Object (protected)

Implement in subclasses to validate the asset

Parameters:



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# File 'lib/osctld/assets/base.rb', line 99

def validate(run)

end

#validate? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/osctld/assets/base.rb', line 39

def validate?
  if @opts.has_key?(:validate_if)
    if @opts[:validate_if].is_a?(Proc)
      @opts[:validate_if].call
    else
      @opts[:validate_if]
    end
  else
    true
  end
end

#validate_block(&block) ⇒ Object 



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# File 'lib/osctld/assets/base.rb', line 51

def validate_block(&block)
  @block_validators << block
end