139 lines
3.2 KiB
Ruby
139 lines
3.2 KiB
Ruby
require "active_support/ordered_options"
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require "active_support/core_ext/string/inquiry"
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require "active_support/core_ext/module/delegation"
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require "pathname"
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require "erb"
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require "mrsk/utils"
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class Mrsk::Configuration
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delegate :service, :image, :servers, :env, :labels, :registry, :builder, to: :config, allow_nil: true
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delegate :argumentize, to: Mrsk::Utils
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class << self
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def create_from(base_config_file, destination: nil)
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new(load_config_file(base_config_file).tap do |config|
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if destination
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config.merge! \
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load_config_file destination_config_file(base_config_file, destination)
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end
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end)
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end
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private
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def load_config_file(file)
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if file.exist?
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YAML.load(ERB.new(IO.read(file)).result).symbolize_keys
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else
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raise "Configuration file not found in #{file}"
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end
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end
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def destination_config_file(base_config_file, destination)
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dir, basename = base_config_file.split
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dir.join basename.to_s.remove(".yml") + ".#{destination}.yml"
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end
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end
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def initialize(config, validate: true)
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@config = ActiveSupport::InheritableOptions.new(config)
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ensure_required_keys_present if validate
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end
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def roles
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@roles ||= role_names.collect { |role_name| Role.new(role_name, config: self) }
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end
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def role(name)
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roles.detect { |r| r.name == name.to_s }
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end
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def all_hosts
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roles.flat_map(&:hosts)
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end
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def primary_host
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role(:web).hosts.first
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end
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def traefik_hosts
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roles.select(&:running_traefik?).flat_map(&:hosts)
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end
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def version
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@version ||= ENV["VERSION"] || `git rev-parse HEAD`.strip
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end
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def repository
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[ config.registry["server"], image ].compact.join("/")
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end
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def absolute_image
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"#{repository}:#{version}"
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end
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def service_with_version
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"#{service}-#{version}"
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end
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def env_args
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if config.env.present?
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argumentize "-e", config.env
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else
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[]
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end
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end
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def ssh_user
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config.ssh_user || "root"
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end
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def ssh_options
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{ user: ssh_user, auth_methods: [ "publickey" ] }
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end
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def master_key
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ENV["RAILS_MASTER_KEY"] || File.read(Pathname.new(File.expand_path("config/master.key")))
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end
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def to_h
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{
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roles: role_names,
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hosts: hosts,
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primary_host: primary_host,
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version: version,
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repository: repository,
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absolute_image: absolute_image,
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service_with_version: service_with_version,
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env_args: env_args,
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ssh_options: ssh_options
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}
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end
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private
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attr_accessor :config
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def ensure_required_keys_present
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%i[ service image registry servers ].each do |key|
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raise ArgumentError, "Missing required configuration for #{key}" unless config[key].present?
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end
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if config.registry["username"].blank?
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raise ArgumentError, "You must specify a username for the registry in config/deploy.yml"
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end
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if config.registry["password"].blank?
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raise ArgumentError, "You must specify a password for the registry in config/deploy.yml (or set the ENV variable if that's used)"
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end
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end
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def role_names
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config.servers.is_a?(Array) ? [ "web" ] : config.servers.keys.sort
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end
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end
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require "mrsk/configuration/role"
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