docker_service_flags.rb
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	# frozen_string_literal: true

	require 'shellwords'
	#
	# docker_service_flags.rb
	#
	module Puppet::Parser::Functions
	# Transforms a hash into a string of docker swarm init flags
	newfunction(:docker_service_flags, type: :rvalue) do \|args\|
	opts = args[0] \|\| {}
	flags = []

	if opts['detach'].to_s != 'true'
	flags << '--detach'
	end

	if opts['service_name'] && opts['service_name'].to_s != 'undef'
	flags << "'#{opts['service_name']}'"
	end

	if opts['env'].is_a? Array
	opts['env'].each do \|env\|
	flags << "--env #{env}"
	end
	end

	if opts['label'].is_a? Array
	opts['label'].each do \|label\|
	flags << "--label #{label}"
	end
	end

	if opts['mounts'].is_a? Array
	opts['mounts'].each do \|mount\|
	flags << "--mount #{mount}"
	end
	end

	if opts['networks'].is_a? Array
	opts['networks'].each do \|network\|
	flags << "--network #{network}"
	end
	end

	if opts['publish'].is_a? Array
	opts['publish'].each do \|port\|
	flags << "--publish #{port}"
	end
	elsif opts['publish'] && opts['publish'].to_s != 'undef'
	flags << "--publish '#{opts['publish']}'"
	end

	if opts['replicas'] && opts['replicas'].to_s != 'undef'
	flags << "--replicas '#{opts['replicas']}'"
	end

	if opts['tty'].to_s != 'false'
	flags << '--tty'
	end

	if opts['user'] && opts['user'].to_s != 'undef'
	flags << "--user '#{opts['publish']}'"
	end

	if opts['workdir'] && opts['workdir'].to_s != 'undef'
	flags << "--workdir '#{opts['workdir']}'"
	end

	if opts['extra_params'].is_a? Array
	opts['extra_params'].each do \|param\|
	flags << param
	end
	end

	if opts['host_socket'] && opts['host_socket'].to_s != 'undef'
	flags << "-H '#{opts['host_socket']}'"
	end

	if opts['registry_mirror'] && opts['registry_mirror'].to_s != 'undef'
	flags << "--registry-mirror='#{opts['registry_mirror']}'"
	end

	if opts['image'] && opts['image'].to_s != 'undef'
	flags << "'#{opts['image']}'"
	end

	if opts['command'].is_a? Array
	flags << opts['command'].join(' ')
	elsif opts['command'] && opts['command'].to_s != 'undef'
	flags << opts['command'].to_s
	end

	flags.flatten.join(' ')
	end
	end

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