### Home Classes Methods

### In Files

- lib/chef/knife/core/ui.rb

### Parent

Object

### Methods

- ::new
- #ask
- #ask_question
- #color
- #color?
- #confirm
- #edit_data
- #edit_object
- #err
- #error
- #fatal
- #highline
- #info
- #interchange?
- #list
- #msg
- #output
- #pretty_print
- #use_presenter
- #warn

### Files

- LICENSE

### Class/Module Index

Quicksearch

- Chef
- Chef::ApiClient
- Chef::ApiClient::Registration
- Chef::Application
- Chef::Application::Apply
- Chef::Application::Client
- Chef::Application::Knife
- Chef::Application::Solo
- Chef::Application::Wakeup
- Chef::Application::WindowsService
- Chef::Checksum
- Chef::Checksum::Storage
- Chef::Checksum::Storage::Filesystem
- Chef::ChefFS
- Chef::ChefFS::CommandLine
- Chef::ChefFS::FilePattern
- Chef::ChefFS::FileSystem
- Chef::ChefFS::FileSystem::BaseFSDir
- Chef::ChefFS::FileSystem::BaseFSObject
- Chef::ChefFS::FileSystem::ChefRepositoryFileSystemEntry
- Chef::ChefFS::FileSystem::ChefRepositoryFileSystemRootDir
- Chef::ChefFS::FileSystem::ChefServerRootDir
- Chef::ChefFS::FileSystem::CookbookDir
- Chef::ChefFS::FileSystem::CookbookFile
- Chef::ChefFS::FileSystem::CookbookSubdir
- Chef::ChefFS::FileSystem::CookbooksDir
- Chef::ChefFS::FileSystem::DataBagDir
- Chef::ChefFS::FileSystem::DataBagItem
- Chef::ChefFS::FileSystem::DataBagsDir
- Chef::ChefFS::FileSystem::FileSystemEntry
- Chef::ChefFS::FileSystem::FileSystemError
- Chef::ChefFS::FileSystem::FileSystemRootDir
- Chef::ChefFS::FileSystem::MustDeleteRecursivelyError
- Chef::ChefFS::FileSystem::NodesDir
- Chef::ChefFS::FileSystem::NonexistentFSObject
- Chef::ChefFS::FileSystem::NotFoundError
- Chef::ChefFS::FileSystem::RestListDir
- Chef::ChefFS::FileSystem::RestListEntry
- Chef::ChefFS::Knife
- Chef::ChefFS::PathUtils
- Chef::Client
- Chef::Config
- Chef::Cookbook
- Chef::Cookbook::Chefignore
- Chef::Cookbook::CookbookVersionLoader
- Chef::Cookbook::FileSystemFileVendor
- Chef::Cookbook::FileVendor
- Chef::Cookbook::Metadata
- Chef::Cookbook::MinimalMetadata
- Chef::Cookbook::RemoteFileVendor
- Chef::Cookbook::SyntaxCheck
- Chef::Cookbook::SyntaxCheck::PersistentSet
- Chef::CookbookCacheCleaner
- Chef::CookbookCollection
- Chef::CookbookLoader
- Chef::CookbookSiteStreamingUploader
- Chef::CookbookSiteStreamingUploader::MultipartStream
- Chef::CookbookSiteStreamingUploader::StreamPart
- Chef::CookbookSiteStreamingUploader::StringPart
- Chef::CookbookSynchronizer
- Chef::CookbookUploader
- Chef::CookbookVersion
- Chef::DSL
- Chef::DSL::DataQuery
- Chef::DSL::IncludeAttribute
- Chef::DSL::IncludeRecipe
- Chef::DSL::PlatformIntrospection
- Chef::DSL::PlatformIntrospection::PlatformDependentValue
- Chef::DSL::PlatformIntrospection::PlatformFamilyDependentValue
- Chef::DSL::Recipe
- Chef::DSL::RegistryHelper
- Chef::Daemon
- Chef::DataBag
- Chef::DataBagItem
- Chef::Digester
- Chef::EncryptedDataBagItem
- Chef::EncryptedDataBagItem::DecryptionFailure
- Chef::EncryptedDataBagItem::Decryptor
- Chef::EncryptedDataBagItem::Decryptor::Version0Decryptor
- Chef::EncryptedDataBagItem::Decryptor::Version1Decryptor
- Chef::EncryptedDataBagItem::Encryptor
- Chef::EncryptedDataBagItem::UnsupportedCipher
- Chef::EncryptedDataBagItem::UnsupportedEncryptedDataBagItemFormat
- Chef::Environment
- Chef::EventDispatch
- Chef::EventDispatch::Base
- Chef::EventDispatch::Dispatcher
- Chef::Exceptions
- Chef::Exceptions::AmbiguousRunlistSpecification
- Chef::Exceptions::Application
- Chef::Exceptions::AttributeNotFound
- Chef::Exceptions::CannotDetermineNodeName
- Chef::Exceptions::CannotWritePrivateKey
- Chef::Exceptions::CommandTimeout
- Chef::Exceptions::ConfigurationError
- Chef::Exceptions::CookbookFrozen
- Chef::Exceptions::CookbookNotFound
- Chef::Exceptions::CookbookNotFoundInRepo
- Chef::Exceptions::CookbookVersionConflict
- Chef::Exceptions::CookbookVersionNameMismatch
- Chef::Exceptions::CookbookVersionSelection
- Chef::Exceptions::CookbookVersionSelection::InvalidRunListItems
- Chef::Exceptions::CookbookVersionSelection::UnsatisfiableRunListItem
- Chef::Exceptions::Cron
- Chef::Exceptions::DsclCommandFailed
- Chef::Exceptions::EnclosingDirectoryDoesNotExist
- Chef::Exceptions::Env
- Chef::Exceptions::ErlCall
- Chef::Exceptions::Exec
- Chef::Exceptions::FileNotFound
- Chef::Exceptions::Group
- Chef::Exceptions::GroupIDNotFound
- Chef::Exceptions::Ifconfig
- Chef::Exceptions::IllegalChecksumRevert
- Chef::Exceptions::ImmutableAttributeModification
- Chef::Exceptions::InsufficientPermissions
- Chef::Exceptions::InvalidCommandOption
- Chef::Exceptions::InvalidCookbookVersion
- Chef::Exceptions::InvalidDataBagItemID
- Chef::Exceptions::InvalidDataBagName
- Chef::Exceptions::InvalidDataBagPath
- Chef::Exceptions::InvalidEnvironmentRunListSpecification
- Chef::Exceptions::InvalidHomeDirectory
- Chef::Exceptions::InvalidPrivateKey
- Chef::Exceptions::InvalidRemoteFileURI
- Chef::Exceptions::InvalidRemoteGitReference
- Chef::Exceptions::InvalidResourceReference
- Chef::Exceptions::InvalidResourceSpecification
- Chef::Exceptions::InvalidVersionConstraint
- Chef::Exceptions::Link
- Chef::Exceptions::MissingLibrary
- Chef::Exceptions::MissingParentDirectory
- Chef::Exceptions::MissingRole
- Chef::Exceptions::Mount
- Chef::Exceptions::MultipleFailures
- Chef::Exceptions::ObsoleteDependencySyntax
- Chef::Exceptions::Override
- Chef::Exceptions::Package
- Chef::Exceptions::PrivateKeyMissing
- Chef::Exceptions::RecipeNotFound
- Chef::Exceptions::RedirectLimitExceeded
- Chef::Exceptions::RequestedUIDUnavailable
- Chef::Exceptions::ResourceNotFound
- Chef::Exceptions::RoleNotFound
- Chef::Exceptions::Route
- Chef::Exceptions::SearchIndex
- Chef::Exceptions::Service
- Chef::Exceptions::SolrConnectionError
- Chef::Exceptions::StaleAttributeRead
- Chef::Exceptions::UnresolvableGitReference
- Chef::Exceptions::UnsupportedAction
- Chef::Exceptions::User
- Chef::Exceptions::UserIDNotFound
- Chef::Exceptions::ValidationFailed
- Chef::Exceptions::Win32APIError
- Chef::Exceptions::Win32APIFunctionNotImplemented
- Chef::Exceptions::Win32NotWindows
- Chef::Exceptions::Win32RegArchitectureIncorrect
- Chef::Exceptions::Win32RegBadType
- Chef::Exceptions::Win32RegBadValueSize
- Chef::Exceptions::Win32RegDataMissing
- Chef::Exceptions::Win32RegHiveMissing
- Chef::Exceptions::Win32RegKeyMissing
- Chef::Exceptions::Win32RegNoRecursive
- Chef::Exceptions::Win32RegTypeDoesNotExist
- Chef::Exceptions::Win32RegTypesMismatch
- Chef::Exceptions::Win32RegValueExists
- Chef::Exceptions::Win32RegValueMissing
- Chef::Exceptions::WindowsNotAdmin
- Chef::FileAccessControl
- Chef::FileAccessControl::Unix
- Chef::FileAccessControl::Windows
- Chef::FileCache
- Chef::Formatters
- Chef::Formatters::APIErrorFormatting
- Chef::Formatters::Base
- Chef::Formatters::Doc
- Chef::Formatters::ErrorDescription
- Chef::Formatters::ErrorInspectors
- Chef::Formatters::ErrorInspectors::CompileErrorInspector
- Chef::Formatters::ErrorInspectors::CookbookResolveErrorInspector
- Chef::Formatters::ErrorInspectors::CookbookSyncErrorInspector
- Chef::Formatters::ErrorInspectors::NodeLoadErrorInspector
- Chef::Formatters::ErrorInspectors::RegistrationErrorInspector
- Chef::Formatters::ErrorInspectors::ResourceFailureInspector
- Chef::Formatters::ErrorInspectors::RunListExpansionErrorInspector
- Chef::Formatters::ErrorMapper
- Chef::Formatters::Minimal
- Chef::Formatters::NullFormatter
- Chef::Formatters::Outputter
- Chef::Formatters::UnknownFormatter
- Chef::Handler
- Chef::Handler::ErrorReport
- Chef::Handler::JsonFile
- Chef::JSONCompat
- Chef::Knife
- Chef::Knife::Bootstrap
- Chef::Knife::ClientBulkDelete
- Chef::Knife::ClientCreate
- Chef::Knife::ClientDelete
- Chef::Knife::ClientEdit
- Chef::Knife::ClientList
- Chef::Knife::ClientReregister
- Chef::Knife::ClientShow
- Chef::Knife::Configure
- Chef::Knife::ConfigureClient
- Chef::Knife::CookbookBulkDelete
- Chef::Knife::CookbookCreate
- Chef::Knife::CookbookDelete
- Chef::Knife::CookbookDownload
- Chef::Knife::CookbookList
- Chef::Knife::CookbookMetadata
- Chef::Knife::CookbookMetadataFromFile
- Chef::Knife::CookbookSCMRepo
- Chef::Knife::CookbookShow
- Chef::Knife::CookbookSiteDownload
- Chef::Knife::CookbookSiteInstall
- Chef::Knife::CookbookSiteList
- Chef::Knife::CookbookSiteSearch
- Chef::Knife::CookbookSiteShare
- Chef::Knife::CookbookSiteShow
- Chef::Knife::CookbookSiteUnshare
- Chef::Knife::CookbookSiteVendor
- Chef::Knife::CookbookTest
- Chef::Knife::CookbookUpload
- Chef::Knife::Core
- Chef::Knife::Core::BootstrapContext
- Chef::Knife::Core::GenericPresenter
- Chef::Knife::Core::NodeFormattingOptions
- Chef::Knife::Core::NodePresenter
- Chef::Knife::Core::ObjectLoader
- Chef::Knife::Core::ObjectLoader::ObjectType
- Chef::Knife::Core::TextFormatter
- Chef::Knife::DataBagCreate
- Chef::Knife::DataBagDelete
- Chef::Knife::DataBagEdit
- Chef::Knife::DataBagFromFile
- Chef::Knife::DataBagList
- Chef::Knife::DataBagShow
- Chef::Knife::Delete
- Chef::Knife::Diff
- Chef::Knife::Download
- Chef::Knife::EnvironmentCreate
- Chef::Knife::EnvironmentDelete
- Chef::Knife::EnvironmentEdit
- Chef::Knife::EnvironmentFromFile
- Chef::Knife::EnvironmentList
- Chef::Knife::EnvironmentShow
- Chef::Knife::Exec
- Chef::Knife::Help
- Chef::Knife::IndexRebuild
- Chef::Knife::List
- Chef::Knife::NodeBulkDelete
- Chef::Knife::NodeCreate
- Chef::Knife::NodeDelete
- Chef::Knife::NodeEdit
- Chef::Knife::NodeEditor
- Chef::Knife::NodeFromFile
- Chef::Knife::NodeList
- Chef::Knife::NodeRunListAdd
- Chef::Knife::NodeRunListRemove
- Chef::Knife::NodeShow
- Chef::Knife::Raw
- Chef::Knife::RecipeList
- Chef::Knife::RoleBulkDelete
- Chef::Knife::RoleCreate
- Chef::Knife::RoleDelete
- Chef::Knife::RoleEdit
- Chef::Knife::RoleFromFile
- Chef::Knife::RoleList
- Chef::Knife::RoleShow
- Chef::Knife::Search
- Chef::Knife::Show
- Chef::Knife::Ssh
- Chef::Knife::Status
- Chef::Knife::SubcommandLoader
- Chef::Knife::TagCreate
- Chef::Knife::TagDelete
- Chef::Knife::TagList
- Chef::Knife::UI
- Chef::Knife::Upload
- Chef::Knife::UserCreate
- Chef::Knife::UserDelete
- Chef::Knife::UserEdit
- Chef::Knife::UserList
- Chef::Knife::UserReregister
- Chef::Knife::UserShow
- Chef::Log
- Chef::Log::Formatter
- Chef::Mixin
- Chef::Mixin::Checksum
- Chef::Mixin::Command
- Chef::Mixin::Command::Unix
- Chef::Mixin::Command::Windows
- Chef::Mixin::ConvertToClassName
- Chef::Mixin::CreatePath
- Chef::Mixin::DeepMerge
- Chef::Mixin::DeepMerge::InvalidParameter
- Chef::Mixin::DeepMerge::InvalidSubtractiveMerge
- Chef::Mixin::DeprecatedLanguageModule
- Chef::Mixin::Deprecation
- Chef::Mixin::Deprecation::DeprecatedInstanceVariable
- Chef::Mixin::Deprecation::DeprecatedObjectProxyBase
- Chef::Mixin::EnforceOwnershipAndPermissions
- Chef::Mixin::FileClass
- Chef::Mixin::FromFile
- Chef::Mixin::GetSourceFromPackage
- Chef::Mixin::ParamsValidate
- Chef::Mixin::PathSanity
- Chef::Mixin::Securable
- Chef::Mixin::Securable::WindowsMacros
- Chef::Mixin::Securable::WindowsSecurableAttributes
- Chef::Mixin::ShellOut
- Chef::Mixin::Template
- Chef::Mixin::Template::ChefContext
- Chef::Mixin::Template::TemplateError
- Chef::Mixin::WhyRun
- Chef::Mixin::WhyRun::ConvergeActions
- Chef::Mixin::WhyRun::ResourceRequirements
- Chef::Mixin::WhyRun::ResourceRequirements::Assertion
- Chef::Mixin::WhyRun::ResourceRequirements::Assertion::AssertionFailure
- Chef::Mixin::XMLEscape
- Chef::Mixin::XMLEscape::FastXS
- Chef::Mixin::XMLEscape::PureRuby
- Chef::Node
- Chef::Node::AttrArray
- Chef::Node::Attribute
- Chef::Node::ImmutableArray
- Chef::Node::ImmutableMash
- Chef::Node::Immutablize
- Chef::Node::VividMash
- Chef::Platform
- Chef::Provider
- Chef::Provider::Breakpoint
- Chef::Provider::CookbookFile
- Chef::Provider::Cron
- Chef::Provider::Cron::Solaris
- Chef::Provider::Deploy
- Chef::Provider::Deploy::Revision
- Chef::Provider::Deploy::Timestamped
- Chef::Provider::Directory
- Chef::Provider::Env
- Chef::Provider::Env::Windows
- Chef::Provider::ErlCall
- Chef::Provider::Execute
- Chef::Provider::File
- Chef::Provider::Git
- Chef::Provider::Group
- Chef::Provider::Group::Aix
- Chef::Provider::Group::Dscl
- Chef::Provider::Group::Gpasswd
- Chef::Provider::Group::Groupadd
- Chef::Provider::Group::Groupmod
- Chef::Provider::Group::Pw
- Chef::Provider::Group::Suse
- Chef::Provider::Group::Usermod
- Chef::Provider::Group::Windows
- Chef::Provider::HttpRequest
- Chef::Provider::Ifconfig
- Chef::Provider::LWRPBase
- Chef::Provider::LWRPBase::InlineResources
- Chef::Provider::LWRPBase::InlineResources::ClassMethods
- Chef::Provider::Link
- Chef::Provider::Log
- Chef::Provider::Log::ChefLog
- Chef::Provider::Mdadm
- Chef::Provider::Mount
- Chef::Provider::Mount::Mount
- Chef::Provider::Mount::Windows
- Chef::Provider::Ohai
- Chef::Provider::Package
- Chef::Provider::Package::Apt
- Chef::Provider::Package::Dpkg
- Chef::Provider::Package::EasyInstall
- Chef::Provider::Package::Freebsd
- Chef::Provider::Package::Ips
- Chef::Provider::Package::Macports
- Chef::Provider::Package::Pacman
- Chef::Provider::Package::Portage
- Chef::Provider::Package::Rpm
- Chef::Provider::Package::Rubygems
- Chef::Provider::Package::Rubygems::AlternateGemEnvironment
- Chef::Provider::Package::Rubygems::CurrentGemEnvironment
- Chef::Provider::Package::Rubygems::GemEnvironment
- Chef::Provider::Package::SmartOS
- Chef::Provider::Package::Solaris
- Chef::Provider::Package::Yum
- Chef::Provider::Package::Yum::RPMDb
- Chef::Provider::Package::Yum::RPMDbPackage
- Chef::Provider::Package::Yum::RPMDependency
- Chef::Provider::Package::Yum::RPMPackage
- Chef::Provider::Package::Yum::RPMProvide
- Chef::Provider::Package::Yum::RPMRequire
- Chef::Provider::Package::Yum::RPMUtils
- Chef::Provider::Package::Yum::RPMVersion
- Chef::Provider::Package::Yum::YumCache
- Chef::Provider::Package::Zypper
- Chef::Provider::RegistryKey
- Chef::Provider::RemoteDirectory
- Chef::Provider::RemoteFile
- Chef::Provider::ResourceUpdate
- Chef::Provider::Route
- Chef::Provider::RubyBlock
- Chef::Provider::Script
- Chef::Provider::Service
- Chef::Provider::Service::Arch
- Chef::Provider::Service::Debian
- Chef::Provider::Service::Freebsd
- Chef::Provider::Service::Gentoo
- Chef::Provider::Service::Init
- Chef::Provider::Service::Insserv
- Chef::Provider::Service::Invokercd
- Chef::Provider::Service::Macosx
- Chef::Provider::Service::Redhat
- Chef::Provider::Service::Simple
- Chef::Provider::Service::Solaris
- Chef::Provider::Service::Systemd
- Chef::Provider::Service::Upstart
- Chef::Provider::Service::Windows
- Chef::Provider::Subversion
- Chef::Provider::Template
- Chef::Provider::TemplateFinder
- Chef::Provider::User
- Chef::Provider::User::Dscl
- Chef::Provider::User::Pw
- Chef::Provider::User::Useradd
- Chef::Provider::User::Windows
- Chef::REST
- Chef::REST::AuthCredentials
- Chef::REST::CookieJar
- Chef::REST::NoopInflater
- Chef::REST::RESTRequest
- Chef::Recipe
- Chef::ReservedNames
- Chef::ReservedNames::Win32
- Chef::ReservedNames::Win32::API
- Chef::ReservedNames::Win32::API::Error
- Chef::ReservedNames::Win32::API::File
- Chef::ReservedNames::Win32::API::File::BY_HANDLE_FILE_INFORMATION
- Chef::ReservedNames::Win32::API::File::FILETIME
- Chef::ReservedNames::Win32::API::File::REPARSE_DATA_BUFFER
- Chef::ReservedNames::Win32::API::File::REPARSE_DATA_BUFFER_GENERIC
- Chef::ReservedNames::Win32::API::File::REPARSE_DATA_BUFFER_MOUNT_POINT
- Chef::ReservedNames::Win32::API::File::REPARSE_DATA_BUFFER_SYMBOLIC_LINK
- Chef::ReservedNames::Win32::API::File::REPARSE_DATA_BUFFER_UNION
- Chef::ReservedNames::Win32::API::File::SECURITY_ATTRIBUTES
- Chef::ReservedNames::Win32::API::File::WIN32_FIND_DATA
- Chef::ReservedNames::Win32::API::Macros
- Chef::ReservedNames::Win32::API::Memory
- Chef::ReservedNames::Win32::API::PSAPI
- Chef::ReservedNames::Win32::API::PSAPI::PROCESS_MEMORY_COUNTERS
- Chef::ReservedNames::Win32::API::Process
- Chef::ReservedNames::Win32::API::Security
- Chef::ReservedNames::Win32::API::Security::ACE_HEADER
- Chef::ReservedNames::Win32::API::Security::ACE_WITH_MASK_AND_SID
- Chef::ReservedNames::Win32::API::Security::ACLStruct
- Chef::ReservedNames::Win32::API::Security::LUID
- Chef::ReservedNames::Win32::API::Security::LUID_AND_ATTRIBUTES
- Chef::ReservedNames::Win32::API::Security::TOKEN_PRIVILEGES
- Chef::ReservedNames::Win32::API::System
- Chef::ReservedNames::Win32::API::System::OSVERSIONINFOEX
- Chef::ReservedNames::Win32::API::Unicode
- Chef::ReservedNames::Win32::Error
- Chef::ReservedNames::Win32::File
- Chef::ReservedNames::Win32::File::Info
- Chef::ReservedNames::Win32::Handle
- Chef::ReservedNames::Win32::Memory
- Chef::ReservedNames::Win32::Process
- Chef::ReservedNames::Win32::Security
- Chef::ReservedNames::Win32::Security::ACE
- Chef::ReservedNames::Win32::Security::ACL
- Chef::ReservedNames::Win32::Security::SID
- Chef::ReservedNames::Win32::Security::SecurableObject
- Chef::ReservedNames::Win32::Security::SecurityDescriptor
- Chef::ReservedNames::Win32::Security::Token
- Chef::ReservedNames::Win32::Unicode
- Chef::ReservedNames::Win32::Version
- Chef::Resource
- Chef::Resource::AptPackage
- Chef::Resource::Bash
- Chef::Resource::Breakpoint
- Chef::Resource::ChefGem
- Chef::Resource::Conditional
- Chef::Resource::CookbookFile
- Chef::Resource::Cron
- Chef::Resource::Csh
- Chef::Resource::Deploy
- Chef::Resource::DeployBranch
- Chef::Resource::DeployRevision
- Chef::Resource::Directory
- Chef::Resource::DpkgPackage
- Chef::Resource::EasyInstallPackage
- Chef::Resource::Env
- Chef::Resource::ErlCall
- Chef::Resource::Execute
- Chef::Resource::File
- Chef::Resource::FreebsdPackage
- Chef::Resource::GemPackage
- Chef::Resource::Git
- Chef::Resource::Group
- Chef::Resource::HttpRequest
- Chef::Resource::Ifconfig
- Chef::Resource::IpsPackage
- Chef::Resource::LWRPBase
- Chef::Resource::Link
- Chef::Resource::Log
- Chef::Resource::MacportsPackage
- Chef::Resource::Mdadm
- Chef::Resource::Mount
- Chef::Resource::Notification
- Chef::Resource::Ohai
- Chef::Resource::Package
- Chef::Resource::PacmanPackage
- Chef::Resource::Perl
- Chef::Resource::PlatformMap
- Chef::Resource::PortagePackage
- Chef::Resource::Python
- Chef::Resource::RegistryKey
- Chef::Resource::RemoteDirectory
- Chef::Resource::RemoteFile
- Chef::Resource::Route
- Chef::Resource::RpmPackage
- Chef::Resource::Ruby
- Chef::Resource::RubyBlock
- Chef::Resource::Scm
- Chef::Resource::Script
- Chef::Resource::Service
- Chef::Resource::SmartOSPackage
- Chef::Resource::SolarisPackage
- Chef::Resource::Subversion
- Chef::Resource::Template
- Chef::Resource::TimestampedDeploy
- Chef::Resource::User
- Chef::Resource::YumPackage
- Chef::ResourceCollection
- Chef::ResourceCollection::StepableIterator
- Chef::ResourceDefinition
- Chef::ResourceDefinitionList
- Chef::ResourceReporter
- Chef::ResourceReporter::ResourceReport
- Chef::Role
- Chef::RunContext
- Chef::RunContext::CookbookCompiler
- Chef::RunList
- Chef::RunList::RunListExpansion
- Chef::RunList::RunListExpansionFromAPI
- Chef::RunList::RunListExpansionFromDisk
- Chef::RunList::RunListItem
- Chef::RunList::VersionedRecipeList
- Chef::RunLock
- Chef::RunStatus
- Chef::Runner
- Chef::Sandbox
- Chef::ScanAccessControl
- Chef::Search
- Chef::Search::Query
- Chef::ShellOut
- Chef::StreamingCookbookUploader
- Chef::StreamingCookbookUploader::MultipartStream
- Chef::StreamingCookbookUploader::StreamPart
- Chef::StreamingCookbookUploader::StringPart
- Chef::User
- Chef::Util
- Chef::Util::FileEdit
- Chef::Util::Windows
- Chef::Util::Windows::NetGroup
- Chef::Util::Windows::NetUse
- Chef::Util::Windows::NetUser
- Chef::Util::Windows::Volume
- Chef::Version
- Chef::VersionConstraint
- Chef::Win32
- Chef::Win32::Registry
- Shell
- Shell::ClientSession
- Shell::DoppelGangerClient
- Shell::DoppelGangerSession
- Shell::Extensions
- Shell::Extensions::FalseClass
- Shell::Extensions::ObjectCoreExtensions
- Shell::Extensions::String
- Shell::Extensions::Symbol
- Shell::Extensions::TrueClass
- Shell::ModelWrapper
- Shell::NamedDataBagWrapper
- Shell::Options
- Shell::ShellREST
- Shell::ShellSession
- Shell::SoloSession
- Shell::StandAloneSession
- Net
- Net::HTTPError
- Net::HTTPFatalError
- Net::HTTPRetriableError
- Net::HTTPServerException
- FFI
- FFI::Pointer
- FileUtils
- FileUtils::Entry_
- ChefNetHTTPExceptionExtensions
- Dir
- FalseClass
- Mash
- Numeric
- Object
- Regexp
- String
- Symbol
- TrueClass

No matching classes.

# Chef::Knife::UI

    The User Interaction class used by knife.

### Attributes

config[R]
presenter[R]
stderr[R]
stdin[R]
stdout[R]

### Public Class Methods

new(stdout, stderr, stdin, config) click to toggle source

    # File lib/chef/knife/core/ui.rb, line 45
    def initialize(stdout, stderr, stdin, config)
      @stdout, @stderr, @stdin, @config = stdout, stderr, stdin, config
      @presenter = Chef::Knife::Core::GenericPresenter.new(self, config)
    end

### Public Instance Methods

ask(*args, &block) click to toggle source

    # File lib/chef/knife/core/ui.rb, line 107
    def ask(*args, &block)
      highline.ask(*args, &block)
    end

ask_question(question, opts={}) click to toggle source

    # File lib/chef/knife/core/ui.rb, line 128
    def ask_question(question, opts={})
      question = question + "[#{opts[:default]}] " if opts[:default]

      if opts[:default] and config[:defaults]
        opts[:default]
      else
        stdout.print question
        a = stdin.readline.strip

        if opts[:default]
          a.empty? ? opts[:default] : a
        else
          a
        end
      end
    end

color(string, *colors) click to toggle source

    # File lib/chef/knife/core/ui.rb, line 92
    def color(string, *colors)
      if color?
        highline.color(string, *colors)
      else
        string
      end
    end

color?() click to toggle source

Should colored output be used? For output to a terminal, this is determined by the value of `config`. When output is not to a terminal, colored output is never used

    # File lib/chef/knife/core/ui.rb, line 103
    def color?
      Chef::Config[:color] && stdout.tty? && !Chef::Platform.windows?
    end

confirm(question, append_instructions=true) click to toggle source

    # File lib/chef/knife/core/ui.rb, line 197
    def confirm(question, append_instructions=true)
      return true if config[:yes]

      stdout.print question
      stdout.print "? (Y/N) " if append_instructions
      answer = stdin.readline
      answer.chomp!
      case answer
      when "Y", "y"
        true
      when "N", "n"
        self.msg("You said no, so I'm done here.")
        exit 3
      else
        self.msg("I have no idea what to do with #{answer}")
        self.msg("Just say Y or N, please.")
        confirm(question)
      end
    end

edit_data(data, parse_output=true) click to toggle source

    # File lib/chef/knife/core/ui.rb, line 149
    def edit_data(data, parse_output=true)
      output = Chef::JSONCompat.to_json_pretty(data)

      if (!config[:disable_editing])
        filename = "knife-edit-"
        0.upto(20) { filename += rand(9).to_s }
        filename << ".js"
        filename = File.join(Dir.tmpdir, filename)
        tf = File.open(filename, "w")
        tf.sync = true
        tf.puts output
        tf.close
        raise "Please set EDITOR environment variable" unless system("#{config[:editor]} #{tf.path}")
        tf = File.open(filename, "r")
        output = tf.gets(nil)
        tf.close
        File.unlink(filename)
      end

      parse_output ? Chef::JSONCompat.from_json(output) : output
    end

edit_object(klass, name) click to toggle source

    # File lib/chef/knife/core/ui.rb, line 171
    def edit_object(klass, name)
      object = klass.load(name)

      output = edit_data(object)

      # Only make the save if the user changed the object.
      #
      # Output JSON for the original (object) and edited (output), then parse
      # them without reconstituting the objects into real classes
      # (create_additions=false). Then, compare the resulting simple objects,
      # which will be Array/Hash/String/etc.
      #
      # We wouldn't have to do these shenanigans if all the editable objects
      # implemented to_hash, or if to_json against a hash returned a string
      # with stable key order.
      object_parsed_again = Chef::JSONCompat.from_json(Chef::JSONCompat.to_json(object), :create_additions => false)
      output_parsed_again = Chef::JSONCompat.from_json(Chef::JSONCompat.to_json(output), :create_additions => false)
      if object_parsed_again != output_parsed_again
        output.save
        self.msg("Saved #{output}")
      else
        self.msg("Object unchanged, not saving")
      end
      output(format_for_display(object)) if config[:print_after]
    end

err(message) click to toggle source

Prints a msg to stderr. Used for warn, error, and fatal.

    # File lib/chef/knife/core/ui.rb, line 73
    def err(message)
      stderr.puts message
    end

error(message) click to toggle source

Print an error message

    # File lib/chef/knife/core/ui.rb, line 83
    def error(message)
      err("#{color('ERROR:', :red, :bold)} #{message}")
    end

fatal(message) click to toggle source

Print a message describing a fatal error.

    # File lib/chef/knife/core/ui.rb, line 88
    def fatal(message)
      err("#{color('FATAL:', :red, :bold)} #{message}")
    end

highline() click to toggle source

    # File lib/chef/knife/core/ui.rb, line 57
    def highline
      @highline ||= begin
        require 'highline'
        HighLine.new
      end
    end

info(message) click to toggle source
Alias for: msg
interchange?() click to toggle source

Determines if the output format is a data interchange format, i.e., JSON or YAML

    # File lib/chef/knife/core/ui.rb, line 124
    def interchange?
      @presenter.interchange?
    end

list(*args) click to toggle source

    # File lib/chef/knife/core/ui.rb, line 111
    def list(*args)
      highline.list(*args)
    end

msg(message) click to toggle source

Prints a message to stdout. Aliased as `info` for compatibility with the logger API.

    # File lib/chef/knife/core/ui.rb, line 66
    def msg(message)
      stdout.puts message
    end

Also aliased as: info
output(data) click to toggle source

Formats `data` using the configured presenter and outputs the result via `msg`. Formatting can be customized by configuring a different presenter. See `use_presenter`

    # File lib/chef/knife/core/ui.rb, line 118
    def output(data)
      msg @presenter.format(data)
    end

pretty_print(data) click to toggle source

    # File lib/chef/knife/core/ui.rb, line 145
    def pretty_print(data)
      stdout.puts data
    end

use_presenter(presenter_class) click to toggle source

Creates a new `presenter_class` object and uses it to format structured data for display. By default, a Chef::Knife::Core::GenericPresenter object is used.

    # File lib/chef/knife/core/ui.rb, line 53
    def use_presenter(presenter_class)
      @presenter = presenter_class.new(self, config)
    end

warn(message) click to toggle source

Print a warning message

    # File lib/chef/knife/core/ui.rb, line 78
    def warn(message)
      err("#{color('WARNING:', :yellow, :bold)} #{message}")
    end

[Validate]

Generated with the Darkfish Rdoc Generator 2.