Add Service.call method

library/runlevel/src/modules/Service.rb

@@ -50,6 +50,17 @@ def initialize
       @error = ""
     end
 
+    # Send whatever command you need to call for a specific service
+    # Command name must be a member of instance methods defined in SystemdUnit class
+    # @return [Boolean] Result of the action, true means success
+    def call command_name, service_name
+      service = SystemdService.find(service_name)
+      return failure(:not_found, service_name) unless service
+      result = service.send(command_name)
+      self.error = service.error
+      result
+    end
+
     # Check if service is active/running
     #
     # @param [String] name service name

library/runlevel/test/service_test.rb

@@ -20,6 +20,17 @@ def stub_service_with method, result
       stub_services
     end
 
+    describe ".call" do
+      it "raises error if command name or service name parameter is missing" do
+        expect(Service.call(:start)).to raise_error
+      end
+
+      it "returns the result of the original result of the command call" do
+        stub_service_with(:"try-restart", false)
+        expect(Service.call(:"try-restart", "sshd")).to be_false
+      end
+    end
+
     describe ".Active" do
       it "returns true if a service is active" do
         expect(Service.Active('sshd')).to be_true

library/systemd/src/modules/systemd_service.rb

@@ -123,9 +123,7 @@ def restart
         return false unless stop
 
         sleep(1)
-
-        # Return false if service was not started succesffuly
-        return false unless start
+        start
       end
 
       private