Class: Sneaql::Docker::LocalTransformDockerfile

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

Instance Method Summary collapse

Constructor Details

#initialize(repo_dir, repo_tag) ⇒ LocalTransformDockerfile

Returns a new instance of LocalTransformDockerfile.



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# File 'lib/sneaql_lib/docker.rb', line 7

def initialize(repo_dir, repo_tag)
  @repo_dir = repo_dir
  @repo_tag = repo_tag
  @steps = JSON.parse(
    File.read("#{repo_dir}/sneaql.json")
  )

  create_step_files
  create_dockerfile
end

Instance Method Details

#create_dockerfile ⇒ Object 



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# File 'lib/sneaql_lib/docker.rb', line 40

def create_dockerfile
  Dir.chdir(@repo_dir) do
    puts "creating Dockerfile..."
    puts
    create_step_files
    puts dockerfile
    f = File.open('Dockerfile', 'w')
    f.puts(dockerfile)
    f.close
    puts
    puts "building docker image..."
    puts `docker build --no-cache -t #{@repo_tag} . `
    #Docker::Image.build_from_dir('.')
    puts
    puts "image build complete"
  end
end

#create_step_files ⇒ Object 



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# File 'lib/sneaql_lib/docker.rb', line 18

def create_step_files
  @step_files = []
  @step_files << {
    docker_path: 'sneaql.json',
    local_path: 'sneaql.json' #File.expand_path("#{repo_dir}/sneaql.json")
  }

  @steps.each { |s|
    @step_files << {
      docker_path: s['step_file'],
      local_path: s['step_file'] # File.expand_path(s['step_file'])
    }
  }
end

#dockerfile ⇒ Object 



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# File 'lib/sneaql_lib/docker.rb', line 33

def dockerfile
%{FROM full360/sneaql:latest
RUN mkdir /repo
#{@step_files.map {|s| "ADD #{s[:local_path]} /repo/#{s[:docker_path]}"}.join("\n")}
}
end