| 1 | from typing import Any |
| 2 | from typing import Dict |
| 3 | |
| 4 | from fastapi import HTTPException |
| 5 | from grafana_client import GrafanaApi |
| 6 | from loguru import logger |
| 7 | |
| 8 | from app.connectors.utils import get_connector_info_from_db |
| 9 | from app.db.db_session import get_db_session |
| 10 | |
| 11 | |
| 12 | async def construct_grafana_url(connector_url: str, username: str, password: str, verify: bool = False) -> str: |
| 13 | """ |
| 14 | Constructs a Grafana URL with embedded credentials. |
| 15 | |
| 16 | Args: |
| 17 | connector_url (str): The base URL of the Grafana instance. |
| 18 | username (str): Username for Grafana authentication. |
| 19 | password (str): Password for Grafana authentication. |
| 20 | verify (bool, optional): Whether to verify SSL certificates. Defaults to True. |
| 21 | |
| 22 | Returns: |
| 23 | str: The complete Grafana URL with credentials. |
| 24 | """ |
| 25 | if "http://" in connector_url: |
| 26 | url = connector_url.replace("http://", f"http://{username}:{password}@") |
| 27 | elif "https://" in connector_url: |
| 28 | url = connector_url.replace("https://", f"https://{username}:{password}@") |
| 29 | else: |
| 30 | raise ValueError("Invalid connector URL format") |
| 31 | |
| 32 | # Add the verify parameter to the URL |
| 33 | url += "?verify=" + str(verify).lower() |
| 34 | |
| 35 | return url |
| 36 | |
| 37 | |
| 38 | async def verify_grafana_credentials(attributes: Dict[str, Any]) -> Dict[str, Any]: |
| 39 | """ |
| 40 | Verifies the connection to Grafana service. |
| 41 | |
| 42 | Returns: |
| 43 | dict: A dictionary containing 'connectionSuccessful' status and 'authToken' if the connection is successful. |
| 44 | """ |
| 45 | logger.info(f"Verifying the Grafana connection to {attributes['connector_url']}") |
| 46 | connector_url = attributes["connector_url"] |
| 47 | username = attributes["connector_username"] |
| 48 | password = attributes["connector_password"] |
| 49 | |
| 50 | grafana_url = await construct_grafana_url(connector_url, username, password, verify=False) |
| 51 | |
| 52 | grafana_client = GrafanaApi.from_url(grafana_url) |
| 53 | try: |
| 54 | create_user = grafana_client.admin.create_user( |
| 55 | user={ |
| 56 | "name": "test", |
| 57 | "email": "test@socfortress.co", |
| 58 | "login": "test", |
| 59 | "password": "this_is_a_test_user", |
| 60 | "OrgID": 1, |
| 61 | }, |
| 62 | ) |
| 63 | if create_user["message"] != "User created": |
| 64 | raise Exception(f"Failed to create user: {create_user['message']}") |
| 65 | |
| 66 | grafana_client.admin.delete_user( |
| 67 | user_id=create_user["id"], |
| 68 | ) |
| 69 | |
| 70 | logger.info(f"Connection to {grafana_url} successful") |
| 71 | return { |
| 72 | "connectionSuccessful": True, |
| 73 | "message": "Grafana connection successful", |
| 74 | } |
| 75 | except Exception as e: |
| 76 | logger.error(f"Connection to {grafana_url} failed with error: {e}") |
| 77 | return { |
| 78 | "connectionSuccessful": False, |
| 79 | "message": f"Connection to {grafana_url} failed with error: {e}", |
| 80 | } |
| 81 | |
| 82 | |
| 83 | async def verify_grafana_connection(connector_name: str) -> str: |
| 84 | """ |
| 85 | Returns the authentication token for the Grafana service. |
| 86 | |
| 87 | Args: |
| 88 | connector_name (str): The name of the Grafana connector. |
| 89 | |
| 90 | Returns: |
| 91 | str: Authentication token for the Grafana service. |
| 92 | |
| 93 | Raises: |
| 94 | None |
| 95 | |
| 96 | """ |
| 97 | async with get_db_session() as session: # This will correctly enter the context manager |
| 98 | attributes = await get_connector_info_from_db(connector_name, session) |
| 99 | logger.info(f"Verifying the Grafana connection to {attributes['connector_url']}") |
| 100 | if attributes is None: |
| 101 | logger.error("No Grafana connector found in the database") |
| 102 | return None |
| 103 | return await verify_grafana_credentials(attributes) |
| 104 | |
| 105 | |
| 106 | async def create_grafana_client(connector_name: str) -> GrafanaApi: |
| 107 | """ |
| 108 | Returns an GrafanaApi client for the Grafana service. |
| 109 | |
| 110 | Returns: |
| 111 | GrafanaApi: GrafanaApi client for the Grafana service. |
| 112 | """ |
| 113 | async with get_db_session() as session: # This will correctly enter the context manager |
| 114 | attributes = await get_connector_info_from_db(connector_name, session) |
| 115 | if attributes is None: |
| 116 | raise HTTPException( |
| 117 | status_code=500, |
| 118 | detail=f"No {connector_name} connector found in the database", |
| 119 | ) |
| 120 | try: |
| 121 | grafana_url = await construct_grafana_url( |
| 122 | attributes["connector_url"], |
| 123 | attributes["connector_username"], |
| 124 | attributes["connector_password"], |
| 125 | verify=False, |
| 126 | ) |
| 127 | return GrafanaApi.from_url(grafana_url) |
| 128 | except Exception as e: |
| 129 | raise HTTPException( |
| 130 | status_code=500, |
| 131 | detail=f"Failed to create Grafana client: {e}", |
| 132 | ) |