Class: Kuby::Docker::LocalTags

Inherits:
Object
  • Object
show all
Defined in:
lib/kuby/docker/local_tags.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cli, image_url) ⇒ LocalTags

T::Sig::WithoutRuntime.sig 

params(
  cli: Kuby::Docker::CLI,
  image_url: String
)
.void




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# File 'lib/kuby/docker/local_tags.rb', line 21

def initialize(cli, image_url)
  @cli = cli
  @image_url = image_url
  # @latest_timestamp_tag = T.let(@latest_timestamp_tag, T.nilable(TimestampTag))
end

Instance Attribute Details

#cli ⇒ Object (readonly)

T::Sig::WithoutRuntime.sig { returns Kuby::Docker::CLI }



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# File 'lib/kuby/docker/local_tags.rb', line 9

def cli
  @cli
end

#image_url ⇒ Object (readonly)

T::Sig::WithoutRuntime.sig { returns(String) }



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# File 'lib/kuby/docker/local_tags.rb', line 12

def image_url
  @image_url
end

Instance Method Details

#latest_tags ⇒ Object

T::Sig::WithoutRuntime.sig { returns(T::Array) }



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# File 'lib/kuby/docker/local_tags.rb', line 34

def latest_tags
  # find "latest" tag
  images = cli.images(image_url)
  latest = images.find { |image| image[:tag] == Kuby::Docker::LATEST_TAG }

  unless latest
    raise MissingTagError, "could not find tag #{Kuby::Docker::LATEST_TAG}"
  end

  # find all tags that point to the same image as 'latest'
  images.each_with_object([]) do |image_data, tags|
    if image_data[:id] == latest[:id]
      tags << image_data[:tag]
    end
  end
end

#latest_timestamp_tag ⇒ Object

T::Sig::WithoutRuntime.sig { returns(T.nilable(Kuby::Docker::TimestampTag)) }



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# File 'lib/kuby/docker/local_tags.rb', line 57

def latest_timestamp_tag
  @latest_timestamp_tag ||= timestamp_tags.sort.last
end

#tags ⇒ Object

T::Sig::WithoutRuntime.sig { returns(T::Array) }



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# File 'lib/kuby/docker/local_tags.rb', line 28

def tags
  images = cli.images(image_url)
  images.map { |image| image[:tag] }
end

#timestamp_tags ⇒ Object

T::Sig::WithoutRuntime.sig { returns(T::Array) }



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# File 'lib/kuby/docker/local_tags.rb', line 52

def timestamp_tags
  tags.map { |t| TimestampTag.try_parse(t) }.compact
end