WIP

fleetcontrol

@@ -58,6 +58,14 @@ def add_image(image_name: str, image_file: str, image_version: str):
         logger.error(f"Error adding image to the database: {str(ex)}")
         exit(-1)
 
+def remove_image(image_name: str, image_version: str):
+    try:
+        db = Database(config.database_file, config.server_loglevel)
+        obj_to_remove = db.get_image_by_name_version_string(f"{image_name}@{image_version}")
+        db.delete_image(obj_to_remove)
+    except Exception as ex:
+        logger.error(f"Error removing image from the database: {str(ex)}")
+        exit(-1)
 
 def assign_image(image_name: str, image_version: str, client_mac_address: str):
     try:
@@ -65,6 +73,14 @@ def assign_image(image_name: str, image_version: str, client_mac_address: str):
         db.assign_image_to_client(client_mac_address=client_mac_address, image_name_version_combo=f"{image_name}@{image_version}")
     except Exception as ex:
         logger.error(f"Error assigning image to a client: {str(ex)}")
+        exit(-1)
+
+def detach_image(image_name: str, image_version: str, client_mac_address: str):
+    try:
+        db = Database(config.database_file, config.server_loglevel)
+        db.detach_image_from_client(client_mac_address=client_mac_address, image_name_version_combo=f"{image_name}@{image_version}")
+    except Exception as ex:
+        logger.error(f"Error detaching image from the client {client_mac_address}; error was {str(ex)}")
 
 
 parser = argparse.ArgumentParser(
@@ -75,7 +91,9 @@ parser = argparse.ArgumentParser(
 function_mapper = {
     "run": run_server,
     "add_image": add_image,
+    "remove_image": remove_image,
     "assign_image": assign_image,
+    "detach_image": detach_image
 }
 
 parser.add_argument("command", choices=function_mapper)
@@ -95,12 +113,23 @@ if "add_image" == args.command:
         image_file=args.image_filepath,
         image_version=args.image_version,
     )
+elif "remove_image" == args.command:
+    fun(
+        image_name=args.image_name,
+        image_version=args.image_version
+    )
 elif "assign_image" == args.command:
     fun(
         image_name=args.image_name,
         image_version=args.image_version,
         client_mac_address=args.mac_address,
     )
+elif "detach_image" == args.command:
+    fun(
+        image_name=args.image_name,
+        image_version=args.image_version,
+        client_mac_address=args.mac_address,
+    )
 elif "run" == args.command:
     fun()
 else:

network/communication.py

@@ -143,19 +143,43 @@ class Server():
                 return response
             except Exception as ex:
                 response = jsonify({
-                    "message": "Internal server error",
+                    "message": "Bad input",
                     "data": None,
                     "error": str(ex)
                 })
                 response.status_code = 400
                 return response
 
+    @require_auth
     def update_client_data(request_user, self):
         request_content_type = request.headers.get('Content-Type')
         if request_content_type == 'application/json':
             json_object = request.json
             try:
-                pass
+                old_client: Client = self.database.get_client_by_mac_address(json_object["mac_address"])
+                if old_client == None:
+                    response = jsonify({
+                        "message": "client not found",
+                        "data": None,
+                        "error": None
+                    })
+                    response.status_code = 404
+                    return response
+                new_client: Client = Client(
+                    mac_address=json_object["mac_address"],
+                    ip_address=json_object["ip_address"],
+                    hostname=json_object["hostname"],
+                    client_version=json_object["client_version"],
+                    vm_list_on_machine=[]
+                )
+                self.database.modify_client(new_client)
+                response = jsonify({
+                    "message": "Data updated",
+                    "data": None,
+                    "error": None
+                })
+                response.status_code = 201
+                return response
             except Exception as ex:
                 response = jsonify({
                     "message": "Internal server error",
@@ -165,6 +189,35 @@ class Server():
                 response.status_code = 400
                 return response
     
+    @require_auth
+    def get_client_data(request_user, self, client_mac_address):
+        try:
+            client_data = self.database.get_client_by_mac_address(client_mac_address)
+            return jsonify(client_data.as_dict())
+        except Exception as ex:
+            response = jsonify({
+                "message": "Internal server error",
+                "data": None,
+                "error": str(ex)
+            })
+            response.status_code = 500
+            return response
+    
+    @require_auth
+    def get_client_list_of_vms(request_user, self, client_mac_address):
+        try:
+            vm_ids_list = self.database.get_client_vm_list_by_mac_address(client_mac_address)
+            return jsonify(vm_ids_list)
+        except Exception as ex:
+            response = jsonify({
+                "message": "Internal server error",
+                "data": None,
+                "error": str(ex)
+            })
+            response.status_code = 500
+            return response
+
+
     def run(self):
         # add admin user to dataabse (or update existing one)
         salt = bcrypt.gensalt()
@@ -183,5 +236,8 @@ class Server():
                               handler=self.register_new_client_to_database, methods=["POST"])
         self.app.add_endpoint(endpoint="/images", endpoint_name="add_image",
                               handler=self.add_image_to_database, methods=["POST"])
+        self.app.add_endpoint(endpoint="/clients", endpoint_name="update_client", handler=self.update_client_data, methods=["PUT"])
+        self.app.add_endpoint(endpoint="/clients/<client_mac_address>", endpoint_name="get_client_data", handler=self.get_client_data, methods=["GET"])
+        self.app.add_endpoint(endpoint="/clients/<client_mac_address>/vms", endpoint_name="get_client_vms_list", handler=self.get_client_list_of_vms, methods=["GET"])
         # TODO: add rest of endpoints
         self.app.run()

utils/database/database.py

@@ -24,7 +24,7 @@ class Database:
                 "INFO": 20,
                 "WARNING": 30,
                 "ERROR": 40,
-                "CRITICAL": 50
+                "CRITICAL": 50,
             }
             self.logger.setLevel(log_level_mapping_dict[logging_level])
         except Exception as ex:
@@ -38,18 +38,39 @@ class Database:
             with session.begin():
                 result = session.query(Client).all()
         except Exception as ex:
-            self.logger.error(
+            self.logger.error(f"Error getting list of clients from database: {ex}")
-                f"Error getting list of clients from database: {ex}")
             result = []
         return result
 
     def get_client_by_mac_address(self, mac_address: str) -> Client:
         result = None
         session = self.Session()
+        session.expire_on_commit = False
         try:
             with session.begin():
-                result = session.query(
+                result = (
-                    Client).filter(Client.mac_address==mac_address).first()
+                    session.query(Client)
+                    .filter(Client.mac_address == mac_address)
+                    .first()
+                )
+        except Exception as ex:
+            self.logger.warn(f"Error getting client by mac address: {ex}")
+        return result
+    
+    def get_client_vm_list_by_mac_address(self, mac_address: str):
+        result = None
+        session = self.Session()
+        session.expire_on_commit = False
+        try:
+            with session.begin():
+                client = (
+                    session.query(Client)
+                    .filter(Client.mac_address == mac_address)
+                    .first()
+                )
+                result = []
+                for vm in client.vm_list_on_machine:
+                    result.append(vm.image_id)
         except Exception as ex:
             self.logger.warn(f"Error getting client by mac address: {ex}")
         return result
@@ -59,11 +80,9 @@ class Database:
         try:
             session = self.Session()
             with session.begin():
-                result = session.query(
+                result = session.query(Client, client_version=client_version).all()
-                    Client, client_version=client_version).all()
         except Exception as ex:
-            self.logger.warn(
+            self.logger.warn(f"Error getting client list by software version: {ex}")
-                f"Error getting client list by software version: {ex}")
         return result
 
     def get_clients_by_vm_image(self, vm_image: VMImage) -> list[Client]:
@@ -74,8 +93,7 @@ class Database:
                 if client.has_vm_installed(vm_image.image_hash):
                     result.append()
         except Exception as ex:
-            self.logger.warn(
+            self.logger.warn(f"Error getting list of clients with VM installed: {ex}")
-                f"Error getting list of clients with VM installed: {ex}")
             result = []
         return result
 
@@ -92,10 +110,12 @@ class Database:
 
     def modify_client(self, client: Client) -> Client:
         try:
-            old_object = self.get_client_by_mac_address(client.mac_address)
             session = self.Session()
             with session.begin():
-                old_object = client
+                old_object: Client = session.query(Client).filter(Client.mac_address==client.mac_address).first()
+                old_object.ip_address = client.ip_address
+                old_object.hostname = client.hostname
+                old_object.client_version = client.client_version
                 session.merge(old_object)
                 session.flush()
                 session.commit()
@@ -116,8 +136,9 @@ class Database:
         try:
             session = self.Session()
             with session.begin():
-                response = session.query(
+                response = (
-                    VMImage, image_id=image_id).first()
+                    session.query(VMImage).filter(VMImage.image_id == image_id).first()
+                )
                 return response
         except Exception as ex:
             self.logger.error(f"Error getting image data from database: {ex}")
@@ -129,40 +150,50 @@ class Database:
                 response = session.query(VMImage).all()
                 return response
         except Exception as ex:
-            self.logger.error(
+            self.logger.error(f"Error getting list of images from database: {ex}")
-                f"Error getting list of images from database: {ex}")
 
     def get_image_by_name(self, image_name: str) -> list[VMImage]:
         try:
             session = self.Session()
             with session.begin():
-                response = session.query(
+                response = (
-                    VMImage, image_name=image_name).all()
+                    session.query(VMImage)
+                    .filter(VMImage.image_name == image_name)
+                    .all()
+                )
                 return response
         except Exception as ex:
-            self.logger.error(
+            self.logger.error(f"Error getting list of images from database: {ex}")
-                f"Error getting list of images from database: {ex}")
 
-    def get_image_by_name_version_string(self, image_name_version_string: str) -> list[VMImage]:
+    def get_image_by_name_version_string(
+        self, image_name_version_string: str
+    ) -> list[VMImage]:
         try:
             session = self.Session()
             with session.begin():
-                response = session.query(
+                response = (
-                    VMImage).filter(VMImage.image_name_version_combo==image_name_version_string).first()
+                    session.query(VMImage)
+                    .filter(
+                        VMImage.image_name_version_combo == image_name_version_string
+                    )
+                    .first()
+                )
                 return response
         except Exception as ex:
-            self.logger.error(
+            self.logger.error(f"Error getting list of images from database: {ex}")
-                f"Error getting list of images from database: {ex}")
 
     def get_image_by_hash(self, image_hash: str) -> list[VMImage]:
         try:
             session = self.Session()
             with session.begin():
-                response = session.query(VMImage, image_hash=image_hash)
+                response = (
+                    session.query(VMImage)
+                    .filter(VMImage.image_hash == image_hash)
+                    .first()
+                )
                 return response
         except Exception as ex:
-            self.logger.error(
+            self.logger.error(f"Error getting list of images with specified hash: {ex}")
-                f"Error getting list of images with specified hash: {ex}")
 
     def add_image(self, image: VMImage):
         try:
@@ -187,15 +218,41 @@ class Database:
                 return old_object
         except Exception as ex:
             self.logger.error(f"Couldn't modify object in database: {ex}")
-            raise DatabaseException(
+            raise DatabaseException(f"Couldn't modify object in database: {ex}")
-                f"Couldn't modify object in database: {ex}")
 
-    def assign_image_to_client(self, client_mac_address: str, image_name_version_combo: str):
+    def delete_image(self, image_to_delete: VMImage):
         try:
             session = self.Session()
             with session.begin():
-                client = session.query(Client).filter(Client.mac_address==client_mac_address).first()
+                session.delete(image_to_delete)
-                image = session.query(VMImage).filter(VMImage.image_name_version_combo==image_name_version_combo).first()
+                session.flush()
+                session.commit()
+        except Exception as ex:
+            self.logger.error(
+                f"Error deleting image with id={image_to_delete.image_id}: {str(ex)}"
+            )
+            raise DatabaseException(
+                f"Error deleting image with id={image_to_delete.image_id}: {str(ex)}"
+            )
+
+    def assign_image_to_client(
+        self, client_mac_address: str, image_name_version_combo: str
+    ):
+        try:
+            session = self.Session()
+            with session.begin():
+                client = (
+                    session.query(Client)
+                    .filter(Client.mac_address == client_mac_address)
+                    .first()
+                )
+                image = (
+                    session.query(VMImage)
+                    .filter(
+                        VMImage.image_name_version_combo == image_name_version_combo
+                    )
+                    .first()
+                )
                 client.vm_list_on_machine.append(image)
                 session.merge(client)
                 session.flush()
@@ -204,6 +261,34 @@ class Database:
             self.logger.error(f"Couldn't add image to client list: {str(ex)}")
             raise DatabaseException(f"Couldn't add image to client list: {str(ex)}")
 
+    def detach_image_from_client(
+        self, client_mac_address: str, image_name_version_combo: str
+    ):
+        try:
+            session = self.Session()
+            with session.begin():
+                client = (
+                    session.query(Client)
+                    .filter(Client.mac_address == client_mac_address)
+                    .first()
+                )
+                image = (
+                    session.query(VMImage)
+                    .filter(
+                        VMImage.image_name_version_combo == image_name_version_combo
+                    )
+                    .first()
+                )
+                client.vm_list_on_machine.remove(image)
+                session.merge(client)
+                session.flush()
+                session.commit()
+        except Exception as ex:
+            self.logger.error(f"Couldn't remove image from client list: {str(ex)}")
+            raise DatabaseException(
+                f"Couldn't remove image from client list: {str(ex)}"
+            )
+
     def add_user(self, new_user: User):
         try:
             session = self.Session()
@@ -219,8 +304,7 @@ class Database:
         try:
             session = self.Session()
             with session.begin():
-                user = session.query(User).filter(
+                user = session.query(User).filter(User.user_id == user_id).first()
-                    User.user_id == user_id).first()
                 return user
         except Exception as ex:
             self.logger.error(f"Error getting data from database: {ex}")
@@ -230,8 +314,7 @@ class Database:
         try:
             session = self.Session()
             with session.begin():
-                user = session.query(User).filter(
+                user = session.query(User).filter(User.username == username).first()
-                    User.username == username).first()
                 return user
         except Exception as ex:
             self.logger.error(f"Error getting data from database: {ex}")