apache-config-generator/lib/apache/config.rb
2010-05-07 16:04:06 -04:00

163 lines
4.2 KiB
Ruby

require 'fileutils'
Dir[File.join(File.dirname(__FILE__), '*.rb')].each { |f| require f }
module Apache
class Config
class << self
attr_accessor :line_indent, :rotate_logs_path
include Apache::Master
include Apache::Quoteize
include Apache::Permissions
include Apache::Directories
include Apache::Logging
include Apache::Performance
include Apache::Rewrites
include Apache::MPM
# Build the provided configuration only if the current environment matches one of the conditions
def build_if(target, *conditions, &block)
build(target, &block) if conditions.include? APACHE_ENV
end
# Build the provided configuration
def build(target = nil, &block)
reset!
self.instance_eval(&block)
if target
FileUtils.mkdir_p File.split(target).first
File.open(target, 'w') { |f| f.puts [ "# Generated by apache-config-generator #{Time.now.to_s}", @config ].flatten * "\n" }
end
@config
end
# Reset the current settings
def reset!
@config = []
@line_indent = 0
end
# Indent the string by the current @line_indent level
def indent(string_or_array)
case string_or_array
when Array
string_or_array.collect { |s| indent(s) }
else
" " * (@line_indent * 2) + string_or_array.to_s
end
end
# Add the string to the current config
def <<(string)
@config << indent(string)
end
# Append the array to the current config
def +(other)
@config += other
end
# Get the config
def to_a
@config
end
# Apachify a string
#
# Split the provided name on underscores and capitalize the individual parts
def apachify(name)
case name
when String, Symbol
name.to_s.split("_").collect(&:capitalize).join.gsub('Ssl', 'SSL').gsub('Cgi', 'CGI').gsub('Ldap', 'LDAP').gsub('Url', 'URL')
when Array
name.collect { |n| apachify(n) }
end
end
# Handle options that aren't specially handled
def method_missing(method, *args)
if method.to_s[-1..-1] == "!"
method = method.to_s[0..-2].to_sym
else
args = *quoteize(*args)
end
self << [ apachify(method), *args ].compact * ' '
end
# Handle creating block methods
def block_methods(*methods)
methods.each do |method|
self.class.class_eval <<-EOT
def #{method}(*name, &block)
blockify(apachify("#{method}"), name, &block)
end
EOT
end
end
def if_module(mod, &block)
blockify(apachify('if_module'), "#{mod}_module".to_sym, &block)
end
def directory(dir, &block)
directory? dir
blockify(apachify('directory'), dir, &block)
end
def location_match(regexp, &block)
blockify(apachify('location_match'), regexp.source, &block)
end
def if_environment(env, &block)
self.instance_eval(&block) if APACHE_ENV == env
end
def blockify_name(name)
case name
when String
quoteize(name).first
when Array
(quoteize(*name) * " ")
when Symbol
name.to_s
end
end
# Handle the blockification of a provided block
def blockify(tag_name, name, &block)
self << ""
self << "<#{[ tag_name, blockify_name(name) ].compact * ' '}>"
@line_indent += 1
self.instance_eval(&block)
@line_indent -= 1
self << "</#{tag_name}>"
self << ""
end
def rotatelogs(path, time)
"|#{@rotate_logs_path} #{path} #{time}"
end
private
def writable?(path)
puts "[warn] #{path} may not be writable!" if !File.directory? File.split(path).first
end
def directory?(path)
puts "[warn] #{path} does not exist!" if !File.directory? path
end
def exist?(path)
puts "[warn] #{path} does not exist!" if !File.exist?(path)
end
end
block_methods :virtual_host, :files_match, :location, :files
end
end