Class: Spectat::Jekyll::RakeTask::DockerHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/spectat/jekyll/rake_task/helper.rb

Overview

Helper class for standardising Docker configuration

Constant Summary collapse

VALID_IMAGE_TYPES = 
%i[builder built deploy].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(full_repo_path, image_type, image_tag) ⇒ DockerHelper

Returns a new instance of DockerHelper.

Raises:

  • (ArgumentError) 


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# File 'lib/spectat/jekyll/rake_task/helper.rb', line 15

def initialize(full_repo_path, image_type, image_tag)
  raise ArgumentError, 'image_type must be ' + VALID_IMAGE_TYPES.to_s unless VALID_IMAGE_TYPES.include?(image_type)

  @full_repo_path = full_repo_path
  @image_type = image_type
  @image_tag = image_tag
  @image_name = case @image_type
                when :built
                  ''
                else
                  "/#{@image_type}"
                end
end

Instance Attribute Details

#full_repo_path ⇒ Object (readonly)

Returns the value of attribute full_repo_path.



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# File 'lib/spectat/jekyll/rake_task/helper.rb', line 9

def full_repo_path
  @full_repo_path
end

#image_tag ⇒ Object (readonly)

Returns the value of attribute image_tag.



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# File 'lib/spectat/jekyll/rake_task/helper.rb', line 11

def image_tag
  @image_tag
end

#image_type ⇒ Object (readonly)

Returns the value of attribute image_type.



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# File 'lib/spectat/jekyll/rake_task/helper.rb', line 10

def image_type
  @image_type
end

Instance Method Details

#docker_build_command ⇒ Object 



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# File 'lib/spectat/jekyll/rake_task/helper.rb', line 33

def docker_build_command
  "docker build --pull --cache-from #{image_path} --tag #{image_path} --file #{path_to_dockerfile(__FILE__)} ."
end

#image_path ⇒ Object 



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# File 'lib/spectat/jekyll/rake_task/helper.rb', line 29

def image_path
  "registry.gitlab.com/#{@full_repo_path}#{@image_name}:#{@image_tag}"
end

#path_to_dockerfile(executing_script_path) ⇒ Object

Raises:

  • (IOError) 


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# File 'lib/spectat/jekyll/rake_task/helper.rb', line 37

def path_to_dockerfile(executing_script_path)
  dockerfile = "Dockerfile.#{@image_type}.erb"
  full_path = File.join(File.dirname(executing_script_path), dockerfile)
  raise IOError, "#{full_path} doesn't exist" unless File.file?(full_path)
  full_path
end