Update server if already exists with same hostname

main.py

@@ -82,25 +82,31 @@ def create_post_data():
         }
     return post_data
 
-
-def send_post_request():
-    # Get the API key and HOST from environment variables
-    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')
-
-    # Create the headers for the request
+def get_existing_servers(host, api_key):
     headers = {
         'Content-Type': 'application/json',
         'Authorization': 'Bearer ' + api_key,
     }
 
-    # Create the data for the post request
-    post_data = create_post_data()
+    try:
+        response = requests.get(host, headers=headers)
+        response.raise_for_status()
+        return response.json()
+    except:
+        return []
 
+def existing_server_id(existing_servers, post_data):
+    for server in existing_servers:
+        if server['hostname'] == post_data['hostname']:
+            return server['id']
+    return None
+
+def create_server(host, api_key, post_data):
+    # Create the headers for the request
+    headers = {
+        'Content-Type': 'application/json',
+        'Authorization': 'Bearer ' + api_key,
+    }
     payload = json.dumps(post_data)
 
     # Send the POST request
@@ -118,5 +124,62 @@ def send_post_request():
     else:
         print(response.text)
 
+def update_server(host, api_key, post_data, server_id):
+    headers = {
+        'Content-Type': 'application/json',
+        'Authorization': 'Bearer ' + api_key,
+    }
+
+    # remove following keys from post_data
+    # ssh_port, ip1, currency, price, payment_term, next_due_date
+    post_data.pop('ssh_port', None)
+    post_data.pop('ip1', None)
+    post_data.pop('currency', None)
+    post_data.pop('price', None)
+    post_data.pop('payment_term', None)
+    post_data.pop('next_due_date', None)
+
+    payload = json.dumps(post_data)
+
+    try:
+        response = requests.put(host + '/' + str(server_id), headers=headers, data=payload)
+        response.raise_for_status()
+    except requests.exceptions.HTTPError as errh:
+        print ("Http Error:",errh)
+    except requests.exceptions.ConnectionError as errc:
+        print ("Error Connecting:",errc)
+    except requests.exceptions.Timeout as errt:
+        print ("Timeout Error:",errt)
+    except requests.exceptions.RequestException as err:
+        print ("Something went wrong:",err)
+    else:
+        print(response.text)
+
+def send_post_request():
+    # Get the API key and HOST from environment variables
+    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')
+
+    # Create the data for the post request
+    post_data = create_post_data()
+
+    # Get the existing servers
+    existing_servers = get_existing_servers(host, api_key)
+
+    # Check if the server already exists
+    server_id = existing_server_id(existing_servers, post_data)
+
+    # If the server exists, update it
+    if server_id:
+        print('Server already exists with id: {}, Updating...'.format(server_id))
+        update_server(host, api_key, post_data, server_id)
+    else:
+        print('Server does not exist, Creating...')
+        create_server(host, api_key, post_data)
+
 if __name__ == '__main__':
     send_post_request()