class Vcloud::Core::LoginCli
Public Class Methods
new(argv_array)
click to toggle source
Create a new instance of the CLI, parsing the arguments supplied
@param argv_array [Array] The Array of ARGV arguments @return [Vcloud::Core::LoginCLI]
# File lib/vcloud/core/login_cli.rb, line 12 def initialize(argv_array) @usage_text = nil parse(argv_array) end
Public Instance Methods
run()
click to toggle source
Login to vCloud and print shell commands suitable for setting the vcloud_token
@return [void]
# File lib/vcloud/core/login_cli.rb, line 21 def run begin pass = read_pass puts Vcloud::Core::Fog::Login.token_export(pass) rescue => e $stderr.puts(e) exit 1 end end
Private Instance Methods
exit_error_usage(error)
click to toggle source
# File lib/vcloud/core/login_cli.rb, line 85 def exit_error_usage(error) $stderr.puts "#{$0}: #{error}" $stderr.puts @usage_text exit 2 end
parse(args)
click to toggle source
# File lib/vcloud/core/login_cli.rb, line 33 def parse(args) opt_parser = OptionParser.new do |opts| opts.banner = <<-EOS Usage: #{$0} [options] Utility for obtaining a Fog vCloud Director session token. It will output a shell `export` command that can be consumed with: eval $(FOG_CREDENTIAL=example #{$0}) It requires a Fog credentials file (e.g. `~/.fog`) with the host and user set, but the password set to an empty string. The password can either be entered interactively or piped in, for example from an environment variable: printenv PASSWORD_VAR | FOG_CREDENTIAL=example #{$0} EOS opts.on("-h", "--help", "Print usage and exit") do $stderr.puts opts exit end opts.on("--version", "Display version and exit") do puts Vcloud::Core::VERSION exit end end @usage_text = opt_parser.to_s begin opt_parser.parse!(args) rescue OptionParser::InvalidOption => e exit_error_usage(e) end if args.size > 0 exit_error_usage("too many arguments") elsif args.size == 1 @type = args.first end end
read_pass()
click to toggle source
# File lib/vcloud/core/login_cli.rb, line 76 def read_pass hl = HighLine.new($stdin, $stderr) if STDIN.tty? hl.ask("vCloud password: ") { |q| q.echo = "*" } else hl.ask("Reading password from pipe..") end end