Class: Chef::Knife
- Inherits:
-
Object
show all
- Extended by:
- Mixin::ConvertToClassName
- Includes:
- Mixlib::CLI
- Defined in:
- lib/chef/knife.rb,
lib/chef/knife/ssh.rb,
lib/chef/knife/search.rb,
lib/chef/knife/configure.rb,
lib/chef/knife/node_edit.rb,
lib/chef/knife/node_list.rb,
lib/chef/knife/node_show.rb,
lib/chef/knife/role_edit.rb,
lib/chef/knife/role_list.rb,
lib/chef/knife/role_show.rb,
lib/chef/knife/client_edit.rb,
lib/chef/knife/client_list.rb,
lib/chef/knife/client_show.rb,
lib/chef/knife/node_create.rb,
lib/chef/knife/node_delete.rb,
lib/chef/knife/role_create.rb,
lib/chef/knife/role_delete.rb,
lib/chef/knife/client_create.rb,
lib/chef/knife/client_delete.rb,
lib/chef/knife/cookbook_list.rb,
lib/chef/knife/cookbook_show.rb,
lib/chef/knife/cookbook_test.rb,
lib/chef/knife/data_bag_edit.rb,
lib/chef/knife/data_bag_list.rb,
lib/chef/knife/data_bag_show.rb,
lib/chef/knife/index_rebuild.rb,
lib/chef/knife/node_from_file.rb,
lib/chef/knife/role_from_file.rb,
lib/chef/knife/cookbook_delete.rb,
lib/chef/knife/cookbook_upload.rb,
lib/chef/knife/data_bag_create.rb,
lib/chef/knife/data_bag_delete.rb,
lib/chef/knife/node_bulk_delete.rb,
lib/chef/knife/role_bulk_delete.rb,
lib/chef/knife/client_reregister.rb,
lib/chef/knife/cookbook_download.rb,
lib/chef/knife/cookbook_metadata.rb,
lib/chef/knife/ec2_instance_data.rb,
lib/chef/knife/node_run_list_add.rb,
lib/chef/knife/client_bulk_delete.rb,
lib/chef/knife/cookbook_site_list.rb,
lib/chef/knife/cookbook_site_show.rb,
lib/chef/knife/cookbook_bulk_delete.rb,
lib/chef/knife/cookbook_site_search.rb,
lib/chef/knife/cookbook_site_vendor.rb,
lib/chef/knife/node_run_list_remove.rb,
lib/chef/knife/rackspace_server_list.rb,
lib/chef/knife/terremark_server_list.rb,
lib/chef/knife/cookbook_site_download.rb,
lib/chef/knife/rackspace_server_create.rb,
lib/chef/knife/rackspace_server_delete.rb,
lib/chef/knife/terremark_server_create.rb,
lib/chef/knife/terremark_server_delete.rb,
lib/chef/knife/cookbook_metadata_from_file.rb
Direct Known Subclasses
ClientBulkDelete, ClientCreate, ClientDelete, ClientEdit, ClientList, ClientReregister, ClientShow, Configure, CookbookBulkDelete, CookbookDelete, CookbookDownload, CookbookList, CookbookMetadata, CookbookMetadataFromFile, CookbookShow, CookbookSiteDownload, CookbookSiteList, CookbookSiteSearch, CookbookSiteShow, CookbookSiteVendor, CookbookTest, CookbookUpload, DataBagCreate, DataBagDelete, DataBagEdit, DataBagList, DataBagShow, Ec2InstanceData, IndexRebuild, NodeBulkDelete, NodeCreate, NodeDelete, NodeEdit, NodeFromFile, NodeList, NodeRunListAdd, NodeRunListRemove, NodeShow, RackspaceServerCreate, RackspaceServerDelete, RackspaceServerList, RoleBulkDelete, RoleCreate, RoleDelete, RoleEdit, RoleFromFile, RoleList, RoleShow, Search, Ssh, TerremarkServerCreate, TerremarkServerDelete, TerremarkServerList
Defined Under Namespace
Classes: ClientBulkDelete, ClientCreate, ClientDelete, ClientEdit, ClientList, ClientReregister, ClientShow, Configure, CookbookBulkDelete, CookbookDelete, CookbookDownload, CookbookList, CookbookMetadata, CookbookMetadataFromFile, CookbookShow, CookbookSiteDownload, CookbookSiteList, CookbookSiteSearch, CookbookSiteShow, CookbookSiteVendor, CookbookTest, CookbookUpload, DataBagCreate, DataBagDelete, DataBagEdit, DataBagList, DataBagShow, Ec2InstanceData, IndexRebuild, NodeBulkDelete, NodeCreate, NodeDelete, NodeEdit, NodeFromFile, NodeList, NodeRunListAdd, NodeRunListRemove, NodeShow, RackspaceServerCreate, RackspaceServerDelete, RackspaceServerList, RoleBulkDelete, RoleCreate, RoleDelete, RoleEdit, RoleFromFile, RoleList, RoleShow, Search, Ssh, TerremarkServerCreate, TerremarkServerDelete, TerremarkServerList
Instance Attribute Summary collapse
Class Method Summary
collapse
Instance Method Summary
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#ask_question(question, opts = {}) ⇒ Object
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#bulk_delete(klass, fancy_name, delete_name = nil, list = nil, regex = nil, &block) ⇒ Object
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#configure_chef ⇒ Object
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#confirm(question) ⇒ Object
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#create_object(object, pretty_name = nil, &block) ⇒ Object
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#delete_object(klass, name, delete_name = nil, &block) ⇒ Object
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#edit_data(data, parse_output = true) ⇒ Object
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#edit_object(klass, name) ⇒ Object
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#file_exists_and_is_readable?(file) ⇒ Boolean
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#format_for_display(item) ⇒ Object
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#format_list_for_display(list) ⇒ Object
-
#load_from_file(klass, from_file) ⇒ Object
-
#output(data) ⇒ Object
-
#pretty_print(data) ⇒ Object
-
#rest ⇒ Object
-
#stdin ⇒ Object
-
#stdout ⇒ Object
convert_to_class_name, convert_to_snake_case, filename_to_qualified_string, snake_case_basename
Instance Attribute Details
#name_args ⇒ Object
Returns the value of attribute name_args.
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# File 'lib/chef/knife.rb', line 30
def name_args
@name_args
end
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Class Method Details
.build_sub_class(snake_case, merge_opts = nil) ⇒ Object
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# File 'lib/chef/knife.rb', line 55
def self.build_sub_class(snake_case, merge_opts=nil)
klass = Chef::Knife.const_get(@sub_classes[snake_case])
klass.options.merge!(merge_opts) if merge_opts
klass.new
end
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.find_command(args = ARGV, merge_opts = {}) ⇒ Object
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# File 'lib/chef/knife.rb', line 61
def self.find_command(args=ARGV, merge_opts={})
load_commands
non_dash_args = Array.new
args.each do |arg|
non_dash_args << arg if arg =~ /^([[:alnum:]]|_)+$/
end
to_try = non_dash_args.length
klass_instance = nil
cli_bits = nil
while(to_try >= 0)
cli_bits = non_dash_args[0..to_try]
snake_case_class_name = cli_bits.join("_")
if @sub_classes.has_key?(snake_case_class_name)
klass_instance = build_sub_class(snake_case_class_name, merge_opts)
break
end
to_try = to_try - 1
end
unless klass_instance
Chef::Log.fatal("Cannot find sub command for: #{args.join(' ')}")
Chef::Knife.list_commands
exit 10
end
= klass_instance.parse_options(args)
if klass_instance.config[:help]
puts klass_instance.opt_parser
exit 1
end
klass_instance.name_args = .inject([]) { |c, i| cli_bits.include?(i) ? cli_bits.delete(i) : c << i; c }
klass_instance.configure_chef
klass_instance
end
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.list_commands ⇒ Object
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# File 'lib/chef/knife.rb', line 45
def self.list_commands
load_commands
@sub_classes.keys.sort.each do |snake_case|
klass_instance = build_sub_class(snake_case)
klass_instance.parse_options
puts klass_instance.opt_parser
puts
end
end
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.load_commands ⇒ Object
Load all the sub-commands
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# File 'lib/chef/knife.rb', line 33
def self.load_commands
@sub_classes = Hash.new
Dir[
File.expand_path(File.join(File.dirname(__FILE__), 'knife', '*.rb'))
].each do |knife_file|
require knife_file
snake_case_file_name = File.basename(knife_file).sub(/\.rb$/, '')
@sub_classes[snake_case_file_name] = convert_to_class_name(snake_case_file_name)
end
@sub_classes
end
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Instance Method Details
#ask_question(question, opts = {}) ⇒ Object
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# File 'lib/chef/knife.rb', line 101
def ask_question(question, opts={})
question = question + "[#{opts[:default]}] " if opts[:default]
stdout.print question
a = stdin.readline.strip
if opts[:default]
a.empty? ? opts[:default] : a
else
a
end
end
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#bulk_delete(klass, fancy_name, delete_name = nil, list = nil, regex = nil, &block) ⇒ Object
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# File 'lib/chef/knife.rb', line 299
def bulk_delete(klass, fancy_name, delete_name=nil, list=nil, regex=nil, &block)
object_list = list ? list : klass.list(true)
if regex
to_delete = Hash.new
object_list.each_key do |object|
next if regex && object !~ /#{regex}/
to_delete[object] = object_list[object]
end
else
to_delete = object_list
end
output(format_list_for_display(to_delete))
confirm("Do you really want to delete the above items")
to_delete.each do |name, object|
if Kernel.block_given?
block.call(name, object)
else
object.destroy
end
output(format_for_display(object)) if config[:print_after]
Chef::Log.warn("Deleted #{fancy_name} #{name}")
end
end
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# File 'lib/chef/knife.rb', line 114
def configure_chef
if !config[:config_file].nil? && File.exists?(config[:config_file]) && File.readable?(config[:config_file])
Chef::Config.from_file(config[:config_file])
end
Chef::Config[:log_level] = config[:log_level] if config[:log_level]
Chef::Config[:log_location] = config[:log_location] if config[:log_location]
Chef::Config[:node_name] = config[:node_name] if config[:node_name]
Chef::Config[:client_key] = config[:client_key] if config[:client_key]
Chef::Config[:chef_server_url] = config[:chef_server_url] if config[:chef_server_url]
Mixlib::Log::Formatter.show_time = false
Chef::Log.init(Chef::Config[:log_location])
Chef::Log.level(Chef::Config[:log_level])
if Chef::Config[:node_name].nil?
raise ArgumentError, "No user specified, pass via -u or specifiy 'node_name' in #{config[:config_file] ? config[:config_file] : "~/.chef/knife.rb"}"
end
end
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#confirm(question) ⇒ Object
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# File 'lib/chef/knife.rb', line 205
def confirm(question)
return true if config[:yes]
print "#{question}? (Y/N) "
answer = stdin.readline
answer.chomp!
case answer
when "Y", "y"
true
when "N", "n"
Chef::Log.info("You said no, so I'm done here.")
exit 3
else
Chef::Log.error("I have no idea what to do with #{answer}")
Chef::Log.error("Just say Y or N, please.")
confirm(question)
end
end
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#create_object(object, pretty_name = nil, &block) ⇒ Object
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# File 'lib/chef/knife.rb', line 267
def create_object(object, pretty_name=nil, &block)
output = edit_data(object)
if Kernel.block_given?
output = block.call(output)
else
output.save
end
pretty_name ||= output
Chef::Log.info("Created (or updated) #{pretty_name}")
output(output) if config[:print_after]
end
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#delete_object(klass, name, delete_name = nil, &block) ⇒ Object
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# File 'lib/chef/knife.rb', line 283
def delete_object(klass, name, delete_name=nil, &block)
confirm("Do you really want to delete #{name}")
if Kernel.block_given?
object = block.call
else
object = klass.load(name)
object.destroy
end
output(format_for_display(object)) if config[:print_after]
obj_name = delete_name ? "#{delete_name}[#{name}]" : object
Chef::Log.warn("Deleted #{obj_name}!")
end
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#edit_data(data, parse_output = true) ⇒ Object
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# File 'lib/chef/knife.rb', line 183
def edit_data(data, parse_output=true)
output = JSON.pretty_generate(data)
if (!config[:no_editor])
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 ? JSON.parse(output) : output
end
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#edit_object(klass, name) ⇒ Object
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# File 'lib/chef/knife.rb', line 255
def edit_object(klass, name)
object = klass.load(name)
output = edit_data(object)
output.save
Chef::Log.info("Saved #{output}")
output(format_for_display(object)) if config[:print_after]
end
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#file_exists_and_is_readable?(file) ⇒ Boolean
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# File 'lib/chef/knife.rb', line 251
def file_exists_and_is_readable?(file)
File.exists?(file) && File.readable?(file)
end
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# File 'lib/chef/knife.rb', line 161
def format_for_display(item)
data = item.kind_of?(Chef::DataBagItem) ? item.raw_data : item
if config[:attribute]
config[:attribute].split(".").each do |attr|
if data.respond_to?(:[])
data = data[attr]
else
data = data.send(attr.to_sym)
end
end
{ config[:attribute] => data.kind_of?(Chef::Node::Attribute) ? data.to_hash: data }
elsif config[:run_list]
data = data.run_list.run_list
{ "run_list" => data }
elsif config[:id_only]
data.respond_to?(:name) ? data.name : data["id"]
else
data
end
end
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# File 'lib/chef/knife.rb', line 157
def format_list_for_display(list)
config[:with_uri] ? list : list.keys.sort { |a,b| a <=> b }
end
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#load_from_file(klass, from_file) ⇒ Object
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# File 'lib/chef/knife.rb', line 224
def load_from_file(klass, from_file)
from_file = @name_args[0]
relative_file = File.expand_path(File.join(Dir.pwd, 'roles', from_file))
filename = nil
if file_exists_and_is_readable?(from_file)
filename = from_file
elsif file_exists_and_is_readable?(relative_file)
filename = relative_file
else
Chef::Log.fatal("Cannot find file #{from_file}")
exit 30
end
case from_file
when /\.(js|json)$/
JSON.parse(IO.read(filename))
when /\.rb$/
r = klass.new
r.from_file(filename)
r
else
Chef::Log.fatal("File must end in .js, .json, or .rb")
exit 30
end
end
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#output(data) ⇒ Object
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# File 'lib/chef/knife.rb', line 137
def output(data)
case config[:format]
when "json", nil
puts JSON.pretty_generate(data)
when "yaml"
require 'yaml'
puts YAML::dump(data)
when "text"
if data.length == 1 and config[:attribute]
puts data.values[0]
else
pp data
end
else
raise ArgumentError, "Unknown output format #{config[:format]}"
end
end
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#pretty_print(data) ⇒ Object
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# File 'lib/chef/knife.rb', line 133
def pretty_print(data)
puts data
end
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# File 'lib/chef/knife.rb', line 335
def rest
@rest ||= Chef::REST.new(Chef::Config[:chef_server_url])
end
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# File 'lib/chef/knife.rb', line 331
def stdin
STDIN
end
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# File 'lib/chef/knife.rb', line 327
def stdout
STDOUT
end
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