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require 'puppet/network/http'
require 'puppet/util/pidlock'
class Puppet::Network::Server
attr_reader :server_type, :protocols, :address, :port
# Put the daemon into the background.
def daemonize
if pid = fork
Process.detach(pid)
exit(0)
end
# Get rid of console logging
Puppet::Util::Log.close(:console)
Process.setsid
Dir.chdir("/")
begin
$stdin.reopen "/dev/null"
$stdout.reopen "/dev/null", "a"
$stderr.reopen $stdout
Puppet::Util::Log.reopen
rescue => detail
Puppet::Util.secure_open("/tmp/daemonout", "w") { |f|
f.puts "Could not start #{Puppet[:name]}: #{detail}"
}
raise "Could not start #{Puppet[:name]}: #{detail}"
end
end
# Create a pidfile for our daemon, so we can be stopped and others
# don't try to start.
def create_pidfile
Puppet::Util.sync(Puppet[:name]).synchronize(Sync::EX) do
raise "Could not create PID file: #{pidfile}" unless Puppet::Util::Pidlock.new(pidfile).lock
end
end
# Remove the pid file for our daemon.
def remove_pidfile
Puppet::Util.sync(Puppet[:name]).synchronize(Sync::EX) do
locker = Puppet::Util::Pidlock.new(pidfile)
locker.unlock or Puppet.err "Could not remove PID file #{pidfile}" if locker.locked?
end
end
# Provide the path to our pidfile.
def pidfile
Puppet[:pidfile]
end
def initialize(args = {})
valid_args = [:handlers, :xmlrpc_handlers, :port]
bad_args = args.keys.find_all { |p| ! valid_args.include?(p) }.collect { |p| p.to_s }.join(",")
raise ArgumentError, "Invalid argument(s) #{bad_args}" unless bad_args == ""
@server_type = Puppet[:servertype] or raise "No servertype configuration found." # e.g., WEBrick, Mongrel, etc.
http_server_class || raise(ArgumentError, "Could not determine HTTP Server class for server type [#{@server_type}]")
@port = args[:port] || Puppet[:masterport] || raise(ArgumentError, "Must specify :port or configure Puppet :masterport")
@address = determine_bind_address
@protocols = [ :rest, :xmlrpc ]
@listening = false
@routes = {}
@xmlrpc_routes = {}
self.register(args[:handlers]) if args[:handlers]
self.register_xmlrpc(args[:xmlrpc_handlers]) if args[:xmlrpc_handlers]
# Make sure we have all of the directories we need to function.
Puppet.settings.use(:main, :ssl, Puppet[:name])
end
# Register handlers for REST networking, based on the Indirector.
def register(*indirections)
raise ArgumentError, "Indirection names are required." if indirections.empty?
indirections.flatten.each do |name|
Puppet::Indirector::Indirection.model(name) || raise(ArgumentError, "Cannot locate indirection '#{name}'.")
@routes[name.to_sym] = true
end
end
# Unregister Indirector handlers.
def unregister(*indirections)
raise "Cannot unregister indirections while server is listening." if listening?
indirections = @routes.keys if indirections.empty?
indirections.flatten.each do |i|
raise(ArgumentError, "Indirection [#{i}] is unknown.") unless @routes[i.to_sym]
end
indirections.flatten.each do |i|
@routes.delete(i.to_sym)
end
end
# Register xmlrpc handlers for backward compatibility.
def register_xmlrpc(*namespaces)
raise ArgumentError, "XMLRPC namespaces are required." if namespaces.empty?
namespaces.flatten.each do |name|
Puppet::Network::Handler.handler(name) || raise(ArgumentError, "Cannot locate XMLRPC handler for namespace '#{name}'.")
@xmlrpc_routes[name.to_sym] = true
end
end
# Unregister xmlrpc handlers.
def unregister_xmlrpc(*namespaces)
raise "Cannot unregister xmlrpc handlers while server is listening." if listening?
namespaces = @xmlrpc_routes.keys if namespaces.empty?
namespaces.flatten.each do |i|
raise(ArgumentError, "XMLRPC handler '#{i}' is unknown.") unless @xmlrpc_routes[i.to_sym]
end
namespaces.flatten.each do |i|
@xmlrpc_routes.delete(i.to_sym)
end
end
def listening?
@listening
end
def listen
raise "Cannot listen -- already listening." if listening?
@listening = true
http_server.listen(:address => address, :port => port, :handlers => @routes.keys, :xmlrpc_handlers => @xmlrpc_routes.keys, :protocols => protocols)
end
def unlisten
raise "Cannot unlisten -- not currently listening." unless listening?
http_server.unlisten
@listening = false
end
def http_server_class
http_server_class_by_type(@server_type)
end
def start
create_pidfile
listen
end
def stop
unlisten
remove_pidfile
end
private
def http_server
@http_server ||= http_server_class.new
end
def http_server_class_by_type(kind)
Puppet::Network::HTTP.server_class_by_type(kind)
end
def determine_bind_address
tmp = Puppet[:bindaddress]
return tmp if tmp != ""
server_type.to_s == "webrick" ? "0.0.0.0" : "127.0.0.1"
end
end
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