lib/astrails/safe/config/builder.rb
module Astrails
module Safe
module Config
class Builder
def initialize(node, data = {})
@node = node
data.each { |k, v| self.send k, v }
end
class << self
def simple_value(*names)
names.each do |m|
define_method(m) do |value|
ensure_uniq(m)
@node.set m, value
end
end
end
def multi_value(*names)
names.each do |m|
define_method(m) do |value|
value = value.map(&:to_s) if value.is_a?(Array)
@node.set_multi m, value
end
end
end
def hash_value(*names)
names.each do |m|
define_method(m) do |data = {}, &block|
ensure_uniq(m)
ensure_hash(m, data)
@node.set m, Node.new(@node, data || {}, &block)
end
end
end
def mixed_value(*names)
names.each do |m|
define_method(m) do |data={}, &block|
ensure_uniq(m)
if data.is_a?(Hash) || block
ensure_hash(m, data) if block
@node.set m, Node.new(@node, data, &block)
else
@node.set m, data
end
end
end
end
def collection(*names)
names.each do |m|
define_method(m) do |id, data={}, &block|
raise "bad collection id: #{id.inspect}" unless id
ensure_hash(m, data)
name = "#{m}s"
collection = @node.get(name) || @node.set(name, Node.new(@node, {}))
collection.set id, Node.new(collection, data, &block)
end
end
end
end
simple_value :verbose, :dry_run, :local_only, :path, :command,
:options, :user, :host, :port, :password, :key, :secret, :bucket,
:api_key, :container, :socket, :service_net, :repo_path
multi_value :skip_tables, :exclude, :files
hash_value :mysqldump, :tar, :gpg, :keep, :pgdump, :tar, :svndump,
:sftp, :ftp, :mongodump
mixed_value :s3, :local, :cloudfiles
collection :database, :archive, :repo
private
def ensure_uniq(m)
raise(ArgumentError, "duplicate value for '#{m}'") if @node.get(m)
end
def ensure_hash(k, v)
raise "#{k}: hash expected: #{v.inspect}" unless v.is_a?(Hash)
end
end
end
end
end