WIP

.gitignore

@@ -1,2 +1,4 @@
 .env/**
+.env
+__pycache__
 __pycache__/**

config.yml

@@ -0,0 +1,5 @@
+server_port: 5000
+server_url: "http://localhost"
+server_password: "sekret_password"
+server_access_username: "user"
+client_loglevel: "DEBUG"

images/valhalla/cool-image-name/v0.0.2alpha/image.qcow2

@@ -0,0 +1,4 @@
+duiuwqhdiuhwqiudhewiufhwieuhiuwhfiuiueyr837r87438r3iuh87duihew8732roh87yro3r
+ry398yr983yr937yr743tfhuieh9843ty347nv743nyv34[9yt34
+4yv9[843qyt9843yt98439843ry3948feiuh9843fy934t
+ru09438ur9843ur9843ut9834tup43349]]

network/ValhallaServer.py

@@ -1,17 +1,35 @@
 import requests as req
 import logging
-import json
+import os
+import time
+import urllib3
+import shutil
 
-class ValhallaServer():
+from utils.MachineData import MachineData
 
-    def __init__(self, server_address: str, server_port: str, server_user: str, server_access_password: str, logging_level: str):
+
+class ValhallaServer:
+    def __init__(
+        self,
+        server_address: str,
+        server_port: str,
+        server_user: str,
+        server_access_password: str,
+        logging_level: str,
+    ):
         self.server_address = server_address
         self.server_port = server_port
         self.server_user = server_user
+        self.server_name = "not connected"
+        self.server_version = "not_connected"
         self.server_access_password = server_access_password
         self.logging_level = logging_level
         self.logger = logging.getLogger(__name__)
         self.bearer_token = ""
+        self.auth_headers = {}
+        self.user_id = 0
+        self.vm_ids_list_from_server = []
+        self.vms_metadata = {}
         log_level_mapping_dict = {
             "NOTSET": 0,
             "DEBUG": 10,
@@ -26,12 +44,158 @@ class ValhallaServer():
         try:
             login_data = {
                 "username": self.server_user,
-                "password": self.server_access_password
+                "password": self.server_access_password,
             }
             headers = {"Content-Type": "application/json"}
-            print(json.dumps(login_data))
-            response = req.post(url=f"{self.server_address}:{self.server_port}/login", json=login_data, headers=headers)
-            self.logger.info(str(response.json()))
+            response = req.post(
+                url=f"{self.server_address}:{self.server_port}/login",
+                json=login_data,
+                headers=headers,
+            )
+            # self.logger.info(str(response.json()))
+            if response.status_code == 202:
+                user_data = response.json()
+                self.bearer_token = user_data["token"]
+                self.user_id = user_data["user_id"]
+                self.auth_headers = {"Authorization": f"Bearer {self.bearer_token}"}
+            else:
+                raise Exception("Bad input or server not responding")
+        except Exception as ex:
+            self.logger.error(f"{str(ex)}")
+
+    def get_server_data(self):
+        try:
+            response = req.get(
+                url=f"{self.server_address}:{self.server_port}/",
+                headers=self.auth_headers,
+            )
             print(str(response.json()))
+            if response.status_code == 200:
+                server_data = response.json()
+                self.server_version = server_data["server_version"]
+                self.server_name = server_data["server_name"]
+        except Exception as ex:
+            self.logger.error(f"{str(ex)}")
+
+    def update_machine_data_on_server(self, machine_data: MachineData):
+        try:
+            response = req.get(
+                url=f"{self.server_address}:{self.server_port}/clients/{machine_data.mac_address}",
+                headers=self.auth_headers,
+            )
+            if response.status_code == 401:
+                self.authenticate()
+                print(self.bearer_token)
+                response = req.get(
+                    url=f"{self.server_address}:{self.server_port}/clients/{machine_data.mac_address}",
+                    headers=self.auth_headers,
+                )
+            print(f"{str(response.json())}")
+            client_data = {
+                "mac_address": machine_data.mac_address,
+                "ip_address": machine_data.ip_address,
+                "hostname": machine_data.hostname,
+                "client_version": machine_data.client_version,
+                "vm_list_on_machine": [],
+            }
+            if response.status_code == 404:
+                print("Client not registered, registering now...")
+                for i in range(1, 5):
+                    register_response = req.post(
+                        url=f"{self.server_address}:{self.server_port}/clients",
+                        headers=self.auth_headers,
+                        json=client_data,
+                    )
+                    if register_response == 201:
+                        print("Registered successfully")
+                        break
+                    else:
+                        print("Failed to register, waiting 5s before trying again...")
+                        time.sleep(5)
+                        continue
+
+            if response.status_code == 200:
+                client_data_from_server = response.json()
+                try:
+                    client_data.pop("vm_list_on_machine")
+                except KeyError:
+                    pass
+                if client_data_from_server != client_data:
+                    print("Client data needs updating, updating now...")
+                    for i in range(1, 5):
+                        register_response = req.put(
+                            url=f"{self.server_address}:{self.server_port}/clients",
+                            headers=self.auth_headers,
+                            json=client_data,
+                        )
+                        if register_response.status_code == 202:
+                            print("Updated successfully")
+                            break
+                        elif response.status_code == 401:
+                            print("Reauthentication needed...")
+                            self.authenticate()
+                        else:
+                            print("Failed to update, waiting 5s before trying again...")
+                            time.sleep(5)
+                            continue
+
         except Exception as ex:
             self.logger.error(f"{str(ex)}")
+
+    def get_vm_list_from_server(self, machine_data: MachineData):
+        try:
+            response = req.get(
+                url=f"{self.server_address}:{self.server_port}/clients/{machine_data.mac_address}/vms",
+                headers=self.auth_headers,
+            )
+            if response.status_code == 401:
+                self.authenticate()
+                response = req.get(
+                    url=f"{self.server_address}:{self.server_port}/clients/{machine_data.mac_address}/vms",
+                    headers=self.auth_headers,
+                )
+            if response.status_code == 200:
+                vm_list = response.json()
+                self.vm_ids_list_from_server = vm_list
+                return vm_list
+            else:
+                print(f"Error getting data from remote server: {response.json()}")
+        except Exception as ex:
+            pass
+
+    def get_vms_data_from_server(self):
+        try:
+            vms_data = {}
+            for image_id in self.vm_ids_list_from_server:
+                response = req.get(
+                    url=f"{self.server_address}:{self.server_port}/images/{image_id}",
+                    headers=self.auth_headers,
+                )
+                if response.status_code == 200:
+                    data = response.json()
+                    vms_data[f"{image_id}"] = data
+            self.vms_metadata = vms_data
+        except Exception as ex:
+            print(str(ex))
+
+    def update_vms_images_from_server(self):
+        try:
+            for image_id in self.vm_ids_list_from_server:
+                image_data = self.vms_metadata[f"{image_id}"]
+                print(f"{image_data['image_name']} download")
+                http = urllib3.PoolManager()
+                self.authenticate()
+                filename = f"images/{self.server_name}/{image_data['image_name']}/{image_data['image_version']}/image.qcow2"
+                os.makedirs(os.path.dirname(filename), exist_ok=True)
+                with http.request(
+                    method="GET",
+                    url=f"{self.server_address}:{self.server_port}/images/{image_id}/download",
+                    preload_content=False,
+                    headers=self.auth_headers,
+                ) as r, open(
+                    filename,
+                    "wb",
+                ) as out_file:
+                    shutil.copyfileobj(r, out_file)
+        except Exception as ex:
+            print(str(ex))

utils/MachineData.py

@@ -0,0 +1,72 @@
+from getmac import get_mac_address as gma
+import socket
+import yaml
+import os
+import psutil
+
+class MachineData():
+
+    def get_ip_address(self):
+        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        s.connect(("8.8.8.8", 80))
+        return s.getsockname()[0]
+
+    def __init__(self):
+        self.mac_address = gma()
+        self.ip_address = str(self.get_ip_address())
+        self.hostname = socket.gethostname()
+        self.client_version = "v0.0.1alpha"
+        self.cpu_count = os.cpu_count()
+        self.ram_size = (psutil.virtual_memory().total / 1024) / 1024
+
+        try:
+            with open("config.yml", "r") as stream:
+                try:
+                    config_file = yaml.safe_load(stream)
+                except Exception as e:
+                    print(e)
+        except FileNotFoundError as e:
+            print(str(e))
+            exit(-1)
+        config = config_file
+        
+        try:
+            server_url_override = os.environ.get("VALHALLA_SERVER_URL")
+            server_port_override = os.environ.get("VALHALLA_SERVER_PORT")
+            server_password_override = os.environ.get("VALHALLA_SERVER_PASSWORD")
+            server_access_username_override = os.environ.get(
+                "VALHALLA_SERVER_ACCESS_USERNAME")
+            client_logging_override = os.environ.get("VALHALLA_CLIENT_LOGLEVEL")
+
+            if server_port_override:
+                config["server_port"] = server_port_override
+
+            if server_url_override:
+                config["server_url"] = server_url_override
+
+            if server_password_override:
+                config["server_password"] = server_password_override
+
+            if server_access_username_override:
+                config["server_access_username"] = server_access_username_override
+
+            if client_logging_override:
+                config["client_loglevel"] = client_logging_override
+
+            self.server_url = config["server_url"]
+            self.server_port = config["server_port"]
+            self.server_password = config["server_password"]
+            self.server_access_username = config["server_access_username"]
+            self.client_loglevel = config["client_loglevel"]
+        except KeyError as ke:
+            print(str(ke))
+            pass
+        except TypeError as te:
+            print(str(te))
+            pass
+        except Exception as e:
+            print(str(e))
+            exit(-1)
+
+class VirtualmachineConfig():
+    def __init__(cpu_count: int, memory_size: int, ):

utils/__init__.py

@@ -0,0 +1 @@
+from . import MachineData

valhalla-client

@@ -1,7 +1,28 @@
 from network.ValhallaServer import ValhallaServer
+from utils.MachineData import MachineData
 
-server = ValhallaServer(server_address="http://localhost", server_port=str(5000), server_user="user", server_access_password="sekret_password", logging_level="DEBUG")
+machine_data = MachineData()
+
+server = ValhallaServer(
+    server_address=machine_data.server_url,
+    server_port=machine_data.server_port,
+    server_user=machine_data.server_access_username,
+    server_access_password=machine_data.server_password,
+    logging_level=machine_data.client_loglevel,
+)
 
 server.authenticate()
 
+server.get_server_data()
+
+server.update_machine_data_on_server(machine_data=machine_data)
+
+vm_list = server.get_vm_list_from_server(machine_data=machine_data)
+
+print(vm_list)
+
+server.get_vms_data_from_server()
+
+server.update_vms_images_from_server()
+
 # vim:ft=py