require 'fileutils' module LeapCli; module Path NAMED_PATHS = { # directories :hiera_dir => 'hiera', :files_dir => 'files', :nodes_dir => 'nodes', :services_dir => 'services', :tags_dir => 'tags', # input config files :common_config => 'common.json', :provider_config => 'provider.json', :node_config => 'nodes/#{arg}.json', :service_config => 'services/#{arg}.json', :tag_config => 'tags/#{arg}.json', # output files :user_ssh => 'users/#{arg}/#{arg}_ssh.pub', :user_pgp => 'users/#{arg}/#{arg}_pgp.pub', :hiera => 'hiera/#{arg}.yaml', :node_ssh_pub_key => 'files/nodes/#{arg}/#{arg}_ssh_key.pub', :known_hosts => 'files/ssh/known_hosts', :authorized_keys => 'files/ssh/authorized_keys' } # # required file structure # # Option 1 -- A project directory with platform and provider directories # # -: $root # :-- leap_platform # '-: provider # '-- provider.json # # $root can be any name # # Option 2 -- A stand alone provider directory # # -: $provider # '-- provider.json # # $provider can be any name. Some commands are not available. # # In either case, the 'leap' command must be run from inside the provider directory or # you must specify root directory with --root=dir. # def self.root @root ||= File.expand_path("#{provider}/..") end def self.platform @platform ||= File.expand_path("#{root}/leap_platform") end def self.platform_provider "#{platform}/provider" end def self.provider @provider ||= if @root File.expand_path("#{root}/provider") else find_in_directory_tree('provider.json') end end def self.ok? provider != '/' end def self.set_root(root_path) @root = File.expand_path(root_path) raise "No such directory '#{@root}'" unless File.directory?(@root) end # # all the places we search for a file when using find_file. # this is perhaps too many places. # def self.search_path @search_path ||= begin search_path = [] [Path.platform_provider, Path.provider].each do |provider| files_dir = named_path(:files_dir, provider) search_path << provider search_path << named_path(:files_dir, provider) search_path << named_path(:nodes_dir, files_dir) search_path << named_path(:services_dir, files_dir) search_path << named_path(:tags_dir, files_dir) end search_path end end # # tries to find a file somewhere with 'filename', under a directory 'name' if possible. # def self.find_file(name, filename) # named path? if filename.is_a? Symbol path = named_path([filename, name], platform_provider) return path if File.exists?(path) path = named_path([filename, name], provider) return path if File.exists?(path) end # otherwise, lets search search_path.each do |path_root| path = [path_root, name, filename].join('/') return path if File.exists?(path) end search_path.each do |path_root| path = [path_root, filename].join('/') return path if File.exists?(path) end # give up return nil end # # Three ways of calling: # # - named_path [:user_ssh, 'bob'] ==> 'users/bob/bob_ssh.pub' # - named_path :known_hosts ==> 'files/ssh/known_hosts' # - named_path '/tmp/x' ==> '/tmp/x' # def self.named_path(name, provider_dir=Path.provider) if name.is_a? Array name, arg = name else arg = nil end if name.is_a? Symbol Util::assert!(NAMED_PATHS[name], "Error, I don't know the path for :#{name} (with argument '#{arg}')") filename = eval('"' + NAMED_PATHS[name] + '"') return provider_dir + '/' + filename else return name end end def self.exists?(name, provider_dir=nil) File.exists?(named_path(name, provider_dir)) end private def self.find_in_directory_tree(filename) search_dir = Dir.pwd while search_dir != "/" Dir.foreach(search_dir) do |f| return search_dir if f == filename end search_dir = File.dirname(search_dir) end return search_dir end end; end