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Contents
# Some of variables are from the Dockerfile and some are from other places.
#
# * helper.full_image_name - Docker image name to be used when a the docker image is build. This is defined in ufo/settings.yml.
# * helper.dockerfile_port - Expose port in the Dockerfile. Only supports one exposed port, the first one that is encountered.
# Simply aggregates a bunch of variables that is useful for the task_definition.
module Ufo
class DSL
# provides some helperally context variables
class Helper
def initialize(options={})
@options = options
@project_root = options[:project_root] || '.'
end
##############
# helper variables
def dockerfile_port
dockerfile_path = "#{@project_root}/Dockerfile"
if File.exist?(dockerfile_path)
parse_for_dockerfile_port(dockerfile_path)
end
end
def full_image_name
DockerBuilder.new(@options).full_image_name
end
#############
# helper methods
def settings
@settings ||= Settings.new(@project_root)
end
def parse_for_dockerfile_port(dockerfile_path)
lines = IO.read(dockerfile_path).split("\n")
expose_line = lines.find { |l| l =~ /^EXPOSE / }
if expose_line
md = expose_line.match(/EXPOSE (\d+)/)
port = md[1] if md
end
port.to_i if port
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems