By default, agree should take a single character in interactive
# File lib/rhc/helpers.rb, line 248 def agree(*args, &block) #args.push(interactive?.presence) if args.length == 1 block = lambda do |q| q.validate = %r\A(?:y|yes|n|no)\Z/ end unless block_given? super *args, &block end
# File lib/rhc/helpers.rb, line 203 def certificate_file(file) file && OpenSSL::X509::Certificate.new(IO.read(File.expand_path(file))) rescue => e debug e raise OptionParser::InvalidOption.new(nil, "The certificate '#{file}' cannot be loaded: #{e.message} (#{e.class})") end
# File lib/rhc/helpers.rb, line 186 def client_from_options(opts) RHC::Rest::Client.new({ :url => openshift_rest_endpoint.to_s, :debug => options.debug, :timeout => options.timeout, }.merge!(ssl_options).merge!(opts)) end
OVERRIDE: Replaces default commander behavior
# File lib/rhc/helpers.rb, line 279 def color(item, *args) if item.is_a? Array item.map{ |i| $terminal.color(i, *args) } else $terminal.color(item, *args) end end
# File lib/rhc/helpers.rb, line 256 def confirm_action(question) return if options.confirm return if !options.noprompt && paragraph{ agree "#{question} (yes|no): " } raise RHC::ConfirmationError end
# File lib/rhc/helpers.rb, line 54 def date(s) now = Date.today d = datetime_rfc3339(s).to_time if now.year == d.year return d.strftime('%l:%M %p').strip if now.yday == d.yday d.strftime('%b %d %l:%M %p') else d.strftime('%b %d, %Y %l:%M %p') end rescue ArgumentError "Unknown date" end
# File lib/rhc/helpers.rb, line 90 def datetime_rfc3339(s) DateTime.strptime(s, '%Y-%m-%dT%H:%M:%S%z') # Replace with d = DateTime.rfc3339(s) end
# File lib/rhc/helpers.rb, line 218 def debug(*args) $terminal.debug(*args) end
# File lib/rhc/helpers.rb, line 224 def debug? $terminal.debug? end
# File lib/rhc/helpers.rb, line 221 def debug_error(*args) $terminal.debug_error(*args) end
# File lib/rhc/helpers.rb, line 32 def decode_json(s) RHC::Vendor::OkJson.decode(s) end
# File lib/rhc/helpers.rb, line 240 def deprecated(msg,short = false) raise DeprecatedError.new(msg % ['an error','a warning',0]) if disable_deprecated? warn "Warning: #{msg}\n" % ['a warning','an error',1] end
# File lib/rhc/helpers.rb, line 232 def deprecated_command(correct, short=false) deprecated("This command is deprecated. Please use '#{correct}' instead.", short) end
# File lib/rhc/helpers.rb, line 236 def deprecated_option(deprecated, other) deprecated("The option '#{deprecated}' is deprecated. Please use '#{other}' instead") end
# File lib/rhc/helpers.rb, line 228 def disable_deprecated? ENV['DISABLE_DEPRECATED'] == '1' end
# File lib/rhc/helpers.rb, line 67 def distance_of_time_in_words(from_time, to_time = 0) from_time = from_time.to_time if from_time.respond_to?(:to_time) to_time = to_time.to_time if to_time.respond_to?(:to_time) distance_in_minutes = (((to_time - from_time).abs)/60).round distance_in_seconds = ((to_time - from_time).abs).round case distance_in_minutes when 0..1 return distance_in_minutes == 0 ? "less than 1 minute" : "#{distance_in_minutes} minute" when 2..44 then "#{distance_in_minutes} minutes" when 45..89 then "about 1 hour" when 90..1439 then "about #{(distance_in_minutes.to_f / 60.0).round} hours" when 1440..2519 then "about 1 day" when 2520..43199 then "#{(distance_in_minutes.to_f / 1440.0).round} days" when 43200..86399 then "about 1 month" else "about #{(distance_in_minutes.to_f / 43200.0).round} months" end end
# File lib/rhc/helpers.rb, line 274 def error(msg, *args) say color(msg, :red), *args end
Check if host exists
# File lib/rhc/helpers.rb, line 370 def host_exists?(host) # :nocov: # Patch for BZ840938 to support Ruby 1.8 on machines without /etc/resolv.conf dns = Resolv::DNS.new((Resolv::DNS::Config.default_config_hash || {})) dns.getresources(host, Resolv::DNS::Resource::IN::A).any? # :nocov: end
# File lib/rhc/helpers.rb, line 378 def hosts_file_contains?(host) with_tolerant_encoding do begin resolver = Resolv::Hosts.new resolver.getaddress host rescue => e debug "Error while resolving with Resolv::Hosts: #{e.message}(#{e.class})\n #{e.backtrace.join("\n ")}" end end end
# File lib/rhc/helpers.rb, line 43 def human_size( s ) return "unknown" unless s s = s.to_f i = PREFIX.length - 1 while s > 500 && i > 0 i -= 1 s /= 1000 end ((s > 9 || s.modulo(1) < 0.1 ? '%d' : '%.1f') % s) + ' ' + PREFIX[i] end
# File lib/rhc/helpers.rb, line 266 def info(msg, *args) say color(msg, :cyan), *args end
Output helpers
# File lib/rhc/helpers.rb, line 214 def interactive? $stdin.tty? and $stdout.tty? and not options.noprompt end
Platform helpers
# File lib/rhc/helpers.rb, line 362 def jruby? ; RUBY_PLATFORM =~ %rjava/ end
# File lib/rhc/helpers.rb, line 365 def mac? ; RbConfig::CONFIG['host_os'] =~ %r^darwin/ end
# File lib/rhc/helpers.rb, line 149 def openshift_online_server? openshift_server =~ %ropenshift.redhat.com$/ end
# File lib/rhc/helpers.rb, line 176 def openshift_rest_endpoint uri = to_uri((options.server rescue nil) || ENV['LIBRA_SERVER'] || "openshift.redhat.com") uri.path = '/broker/rest/api' if uri.path.blank? || uri.path == '/' uri end
# File lib/rhc/helpers.rb, line 146 def openshift_server to_host((options.server rescue nil) || ENV['LIBRA_SERVER'] || "openshift.redhat.com") end
# File lib/rhc/helpers.rb, line 152 def openshift_url "https://#{openshift_server}" end
# File lib/rhc/helpers.rb, line 293 def pluralize(count, s) count == 1 ? "#{count} #{s}" : "#{count} #{s}s" end
results
highline helper which creates a paragraph with a header to distinguish the final results of a command from other output
# File lib/rhc/helpers.rb, line 354 def results(&block) section(:top => 1, :bottom => 0) do say "RESULT:" yield end end
Run a command and export its output to the user. Output is not capturable on all platforms.
# File lib/rhc/helpers.rb, line 410 def run_with_tee(cmd) status, stdout, stderr = nil if windows? #:nocov: TODO: Test block system(cmd) status = $?.exitstatus #:nocov: else stdout, stderr = [$stdout, $stderr].map{ |t| StringTee.new(t) } status = Open4.spawn(cmd, 'stdout' => stdout, 'stderr' => stderr, 'quiet' => true) stdout, stderr = [stdout, stderr].map(&:string) end [status, stdout, stderr] end
# File lib/rhc/helpers.rb, line 167 def ssh_string(ssh_url) return nil if ssh_url.blank? uri = URI.parse(ssh_url) "#{uri.user}@#{uri.host}" rescue => e RHC::Helpers.debug_error(e) ssh_url end
# File lib/rhc/helpers.rb, line 194 def ssl_options { :ssl_version => options.ssl_version, :client_cert => certificate_file(options.ssl_client_cert), :ca_file => options.ssl_ca_file && File.expand_path(options.ssl_ca_file), :verify_mode => options.insecure ? OpenSSL::SSL::VERIFY_NONE : nil, }.delete_if{ |k,v| v.nil? } end
# File lib/rhc/helpers.rb, line 262 def success(msg, *args) say color(msg, :green), *args end
# File lib/rhc/helpers.rb, line 36 def system_path(path) return path.gsub(File::SEPARATOR, File::ALT_SEPARATOR) if File.const_defined?('ALT_SEPARATOR') and File::ALT_SEPARATOR.present? path end
This will format table headings for a consistent look and feel
If a heading isn't explicitly defined, it will attempt to look up the parts If those aren't found, it will capitalize the string
# File lib/rhc/helpers.rb, line 300 def table_heading(value) # Set the default proc to look up undefined values headings = Hash.new do |hash,key| items = key.to_s.split('_') # Look up each piece individually hash[key] = items.length > 1 ? # Recusively look up the heading for the parts items.map{|x| headings[x.to_sym]}.join(' ') : # Capitalize if this part isn't defined items.first.capitalize end # Predefined headings (or parts of headings) headings.merge!({ :creation_time => "Created", :expires_in_seconds => "Expires In", :uuid => "UUID", :current_scale => "Current", :scales_from => "Minimum", :scales_to => "Maximum", :gear_sizes => "Allowed Gear Sizes", :consumed_gears => "Gears Used", :max_gears => "Gears Allowed", :gear_info => "Gears", :plan_id => "Plan", :url => "URL", :ssh_string => "SSH", :connection_info => "Connection URL", :gear_profile => "Gear Size", :visible_to_ssh? => 'Available', :downloaded_cartridge_url => 'From', }) headings[value] end
# File lib/rhc/helpers.rb, line 156 def to_host(s) s =~ %r(^http(?:s)?://) ? URI(s).host : s end
# File lib/rhc/helpers.rb, line 159 def to_uri(s) begin URI(s =~ %r(^http(?:s)?://) ? s : "https://#{s}") rescue URI::InvalidURIError raise RHC::InvalidURIException.new(s) end end
# File lib/rhc/helpers.rb, line 182 def token_for_user options.token or (token_store.get(options.rhlogin, options.server) if options.rhlogin && options.use_authorization_tokens) end
# File lib/rhc/helpers.rb, line 364 def unix? ; !jruby? && !windows? end
Web related requests
# File lib/rhc/helpers.rb, line 99 def user_agent "rhc/#{RHC::VERSION::STRING} (ruby #{RUBY_VERSION}; #{RUBY_PLATFORM})#{" (API #{RHC::Rest::API_VERSION})" rescue ''}" end
# File lib/rhc/helpers.rb, line 270 def warn(msg, *args) say color(msg, :yellow), *args end
# File lib/rhc/helpers.rb, line 363 def windows? ; RUBY_PLATFORM =~ %rwin(32|dows|ce)|djgpp|(ms|cyg|bcc)win|mingw32/ end
# File lib/rhc/helpers.rb, line 389 def with_tolerant_encoding(&block) # :nocov: if RUBY_VERSION.to_f >= 1.9 orig_default_internal = Encoding.default_internal Encoding.default_internal = 'ISO-8859-1' else orig_default_kcode = $KCODE $KCODE = 'N' end yield ensure if RUBY_VERSION.to_f >= 1.9 Encoding.default_internal = orig_default_internal else $KCODE = orig_default_kcode end # :nocov: end