Remove references of the shared key, which isn't required anymore.

src/main.cr

@@ -31,7 +31,7 @@ class DNSManager::Service < IPC
 
 	property authd            : AuthD::Client
 
-	def initialize(@configuration, @authd_key : String)
+	def initialize(@configuration)
 		super()
 		@storage = DNSManager::Storage.new @configuration.storage_directory, @configuration.recreate_indexes
 
@@ -40,7 +40,6 @@ class DNSManager::Service < IPC
 		# TODO: auth service isn't in the FDs pool.
 		# If the service crashes, dnsmanagerd won't know it.
 		@authd = AuthD::Client.new
-		authd.key = @authd_key
 
 		self.timer @configuration.ipc_timer
 		self.service_init @configuration.service_name
@@ -156,9 +155,6 @@ def main
 		# Configuration file is for dnsmanagerd.
 		Baguette::Configuration::Auth.get || Baguette::Configuration::Auth.new
 	end
-	if key_file = authd_configuration.shared_key_file
-		authd_configuration.shared_key = File.read(key_file).chomp
-	end
 
 	# DNSManagerd configuration.
 	configuration = if no_configuration
@@ -177,11 +173,6 @@ def main
 			configuration.verbosity = opt.to_i
 		end
 
-		parser.on "-k key-file", "--key-file file", "Key file." do |opt|
-			authd_configuration.shared_key = File.read(opt).chomp
-			Baguette::Log.debug "Authd key: #{authd_configuration.shared_key.not_nil!}"
-		end
-
 		# IPC Service options
 		parser.on "-s service_name", "--service_name service_name", "Service name (IPC)." do |service_name|
 			Baguette::Log.info "Service name: #{service_name}"
@@ -200,19 +191,12 @@ def main
 		end
 	end
 
-	if authd_configuration.shared_key.nil?
-		Baguette::Log.error "No authd key file: cannot continue"
-		exit 1
-	end
-
 	if simulation
 		pp! authd_configuration, configuration
 		exit 0
 	end
 
-	authd_key = authd_configuration.shared_key.not_nil!
-
-	service = DNSManager::Service.new configuration, authd_key
+	service = DNSManager::Service.new configuration
 	service.run
 end