refactor: Single file code - remove external depends

agent.py

@@ -0,0 +1,127 @@
+import os
+import urllib.request
+import logging
+import json
+import http.client
+
+class ServerData:
+    def __init__(self):
+        self.hostname = os.uname().nodename
+        self.public_ip = self.get_public_ip()
+        logging.basicConfig(level=logging.INFO)
+
+    def get_ram_and_disk(self):
+        with open('/proc/meminfo', 'r') as f:
+            meminfo = f.read()
+        ram = int([x for x in meminfo.split('\n') if 'MemTotal' in x][0].split()[1]) // 1024
+        with open('/proc/diskstats', 'r') as f:
+            diskstats = f.read()
+        disk = sum(int(x.split()[9]) for x in diskstats.split('\n') if x) * 512 // 10**9
+        logging.info(f"RAM: {ram}MB, Disk: {disk}GB")
+        return ram, disk
+
+    def get_cpu_count(self):
+        with open('/proc/cpuinfo', 'r') as f:
+            cpuinfo = f.read()
+        cpu_count = cpuinfo.count('processor')
+        logging.info(f"CPU Count: {cpu_count}")
+        return cpu_count
+
+    def get_bandwidth(self):
+        bandwidth = 2000
+        logging.info(f"Bandwidth: {bandwidth}")
+        return bandwidth
+
+    def get_public_ip(self):
+        try:
+            response = urllib.request.urlopen('https://api.ipify.org')
+            return response.read().decode()
+        except Exception as e:
+            logging.error(f"Failed to get public IP: {e}")
+            return '127.0.0.1'
+
+    def get_os(self):
+        os_id = 27
+        logging.info(f"OS ID: {os_id}")
+        return os_id
+
+    def create_post_data(self):
+
+class ServerManager:
+    def __init__(self, host, api_key):
+        self.host = host
+        self.api_key = api_key
+        self.headers = {
+            'Content-Type': 'application/json',
+            'Authorization': 'Bearer ' + self.api_key,
+        }
+        logging.basicConfig(level=logging.INFO)
+
+    def send_request(self, method, endpoint, data=None):
+        url = self.host + endpoint
+        payload = json.dumps(data).encode('utf-8') if data else None
+        req = urllib.request.Request(url, data=payload, headers=self.headers, method=method)
+
+        try:
+            with urllib.request.urlopen(req) as response:
+                if method == 'GET':
+                    return json.loads(response.read().decode())
+                else:
+                    return response.read().decode()
+        except urllib.error.HTTPError as e:
+            logging.error(f"Request failed with {e}")
+            raise
+
+    def get_existing_servers(self):
+        return self.send_request('GET', '/api/servers')
+
+    def create_server(self, post_data):
+        logging.info("Creating server...")
+        return self.send_request('POST', '/api/servers', post_data)
+
+    def update_server(self, post_data, server_id):
+        # remove following keys from post_data
+        for key in ['ssh_port', 'ip1', 'currency', 'price', 'payment_term', 'next_due_date']:
+            post_data.pop(key, None)
+        logging.info(f"Updating server with id {server_id}...")
+        return self.send_request('PUT', '/api/servers/' + str(server_id), post_data)
+
+    def existing_server_id(self, post_data):
+        existing_servers = self.get_existing_servers()
+        for server in existing_servers:
+            if server['hostname'] == post_data['hostname']:
+                return server['id']
+        return None
+
+def validate_env_vars():
+    api_key = os.getenv('AGENT_API')
+    host = os.getenv('HOST')
+    if not api_key:
+        raise Exception('AGENT_API not found in environment variables')
+    if not host:
+        raise Exception('HOST not found in environment variables')
+    return host, api_key
+
+def main():
+    logging.basicConfig(level=logging.INFO)
+
+    host, api_key = validate_env_vars()
+
+    server_data = ServerData()
+    post_data = server_data.create_post_data()
+
+    server_manager = ServerManager(host, api_key)
+
+    # Check if the server already exists
+    server_id = server_manager.existing_server_id(post_data)
+
+    # If the server exists, update it
+    if server_id:
+        logging.info('Server already exists with id: {}, Updating...'.format(server_id))
+        logging.info(server_manager.update_server(post_data, server_id))
+    else:
+        logging.info('Server does not exist, Creating...')
+        logging.info(server_manager.create_server(post_data))
+
+if __name__ == '__main__':
+    main()

main.py

@@ -1,38 +0,0 @@
-import os
-import logging
-
-from server_manager import ServerManager
-from server_data import ServerData
-
-def validate_env_vars():
-    api_key = os.getenv('API_KEY')
-    host = os.getenv('HOST')
-    if not api_key:
-        raise Exception('API_KEY not found in environment variables')
-    if not host:
-        raise Exception('HOST not found in environment variables')
-    return host, api_key
-
-def main():
-    logging.basicConfig(level=logging.INFO)
-
-    host, api_key = validate_env_vars()
-
-    server_data = ServerData()
-    post_data = server_data.create_post_data()
-
-    server_manager = ServerManager(host, api_key)
-
-    # Check if the server already exists
-    server_id = server_manager.existing_server_id(post_data)
-
-    # If the server exists, update it
-    if server_id:
-        logging.info('Server already exists with id: {}, Updating...'.format(server_id))
-        logging.info(server_manager.update_server(post_data, server_id))
-    else:
-        logging.info('Server does not exist, Creating...')
-        logging.info(server_manager.create_server(post_data))
-
-if __name__ == '__main__':
-    main()

requirements.txt

@@ -1,4 +0,0 @@
-requests
-psutil
-tldextract
-dnspython

server_data.py

@@ -1,90 +0,0 @@
-import os
-import requests
-import psutil
-import tldextract
-import dns.resolver
-import logging
-
-class ServerData:
-    def __init__(self):
-        self.hostname = os.uname().nodename
-        self.public_ip = self.get_public_ip()
-        self.domain = self.get_domain()
-        self.nameservers = self.get_nameservers()
-        logging.basicConfig(level=logging.INFO)
-
-    def get_ram_and_disk(self):
-        ram = psutil.virtual_memory().total >> 20
-        disk = psutil.disk_usage('/').total >> 30
-        logging.info(f"RAM: {ram}MB, Disk: {disk}GB")
-        return ram, disk
-
-    def get_cpu_count(self):
-        cpu_count = psutil.cpu_count()
-        logging.info(f"CPU Count: {cpu_count}")
-        return cpu_count
-
-    def get_bandwidth(self):
-        bandwidth = 2000
-        logging.info(f"Bandwidth: {bandwidth}")
-        return bandwidth
-
-    def get_public_ip(self):
-        try:
-            response = requests.get('https://api.ipify.org')
-            response.raise_for_status()
-            return response.text
-        except requests.exceptions.RequestException as e:
-            logging.error(f"Failed to get public IP: {e}")
-            return '127.0.0.1'
-
-    def get_domain(self):
-        extracted = tldextract.extract(self.hostname)
-        domain = "{}.{}".format(extracted.domain, extracted.suffix)
-        logging.info(f"Domain: {domain}")
-        return domain
-
-    def get_nameservers(self):
-        try:
-            answers = dns.resolver.resolve(self.domain, 'NS')
-            return [str(rdata) for rdata in answers]
-        except Exception as e:
-            logging.error(f"Failed to get nameservers: {e}")
-            return []
-
-    def get_os(self):
-        os_id = 27
-        logging.info(f"OS ID: {os_id}")
-        return os_id
-
-    def create_post_data(self):
-        ram, disk = self.get_ram_and_disk()
-        post_data = {
-            "server_type": 1,
-            "os_id": self.get_os(),
-            "provider_id": 10,
-            "location_id": 15,
-            "ssh_port": 22,
-            "ram": ram >> 10,   # convert to GB
-            "ram_as_mb": ram,   # in MB
-            "disk": disk,       # in GB
-            "disk_as_gb": disk, # in GB
-            "cpu": self.get_cpu_count(),
-            "bandwidth": self.get_bandwidth(),
-            "was_promo": 1,
-            "active": 1,
-            "show_public": 0,
-            "owned_since": "2022-01-01",
-            "ram_type": "GB",
-            "disk_type": "GB",
-            "currency": "USD",
-            "price": 4,
-            "payment_term": 1,
-            "hostname": self.hostname,
-            "next_due_date": "2022-02-01",
-            "ns1": self.nameservers[0] if self.nameservers else "",
-            "ns2": self.nameservers[1] if len(self.nameservers) > 1 else "",
-            "ip1": self.public_ip,
-        }
-        logging.info("Post data created")
-        return post_data

server_manager.py

@@ -1,46 +0,0 @@
-import json
-import requests
-import logging
-
-class ServerManager:
-    def __init__(self, host, api_key):
-        self.host = host
-        self.api_key = api_key
-        self.headers = {
-            'Content-Type': 'application/json',
-            'Authorization': 'Bearer ' + self.api_key,
-        }
-        logging.basicConfig(level=logging.INFO)
-
-    def send_request(self, method, endpoint, data=None):
-        url = self.host + endpoint
-        payload = json.dumps(data) if data else None
-
-        try:
-            response = requests.request(method, url, headers=self.headers, data=payload)
-            response.raise_for_status()
-            return response.json() if method == 'GET' else response.text
-        except requests.exceptions.RequestException as e:
-            logging.error(f"Request failed with {e}")
-            raise
-
-    def get_existing_servers(self):
-        return self.send_request('GET', '/api/servers')
-
-    def create_server(self, post_data):
-        logging.info("Creating server...")
-        return self.send_request('POST', '/api/servers', post_data)
-
-    def update_server(self, post_data, server_id):
-        # remove following keys from post_data
-        for key in ['ssh_port', 'ip1', 'currency', 'price', 'payment_term', 'next_due_date']:
-            post_data.pop(key, None)
-        logging.info(f"Updating server with id {server_id}...")
-        return self.send_request('PUT', '/api/servers/' + str(server_id), post_data)
-
-    def existing_server_id(self, post_data):
-        existing_servers = self.get_existing_servers()
-        for server in existing_servers:
-            if server['hostname'] == post_data['hostname']:
-                return server['id']
-        return None