Class: Dapp::DockerImage

Inherits:
Object
  • Object
show all
Includes:
Helper::Shellout
Defined in:
lib/dapp/docker_image.rb

Overview

DockerImage

Direct Known Subclasses

StageImage

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helper::Shellout

included, #shellout, #shellout!

Constructor Details

#initialize(name:, from: nil) ⇒ DockerImage

Returns a new instance of DockerImage.



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# File 'lib/dapp/docker_image.rb', line 9

def initialize(name:, from: nil)
  @from = from
  @name = name
end

Instance Attribute Details

#from ⇒ Object (readonly)

Returns the value of attribute from.



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# File 'lib/dapp/docker_image.rb', line 6

def from
  @from
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/dapp/docker_image.rb', line 7

def name
  @name
end

Instance Method Details

#id ⇒ Object 



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# File 'lib/dapp/docker_image.rb', line 14

def id
  @id || begin
    unless (output = shellout!("docker images -q --no-trunc=true #{name}").stdout.strip).empty?
      output
    end
  end
end

#info ⇒ Object

Raises:



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# File 'lib/dapp/docker_image.rb', line 46

def info
  raise Error::Build, code: :image_not_exist, data: { name: name } unless tagged?
  shellout!("docker inspect --format='{{.Created}} {{.Size}}' #{name}").stdout.strip.split
end

#pull!(log_verbose: false, log_time: false) ⇒ Object 



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# File 'lib/dapp/docker_image.rb', line 32

def pull!(log_verbose: false, log_time: false)
  return if tagged?
  shellout!("docker pull #{name}", log_verbose: log_verbose, log_time: log_time)
  @pulled = true
end

#pulled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dapp/docker_image.rb', line 42

def pulled?
  !!@pulled
end

#push!(log_verbose: false, log_time: false) ⇒ Object

Raises:



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# File 'lib/dapp/docker_image.rb', line 27

def push!(log_verbose: false, log_time: false)
  raise Error::Build, code: :image_not_exist, data: { name: name } unless tagged?
  shellout!("docker push #{name}", log_verbose: log_verbose, log_time: log_time)
end

#tagged? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dapp/docker_image.rb', line 38

def tagged?
  !!id
end

#untag! ⇒ Object

Raises:



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# File 'lib/dapp/docker_image.rb', line 22

def untag!
  raise Error::Build, code: :image_already_untagged, data: { name: name } unless tagged?
  shellout!("docker rmi #{name}")
end