Add webex as destination (#5574)

* Add webex as destination

* import from destinations explicitly

* make format

* remove unattributed image

* make webex bot token required

* don't use magic string

* add metadata kwarg

* simplify link creation

* simplify alert description

* simplify alert subject

* split attachments template into method

* DRY message posting

* use api endpoint method

* add missing param to post_message

* static method

* static method attachments template

* log exception if send fails

* simplify destination handling

* transparent image / right size webex logo

* remove unused organization param

* rename api endpoint and make it a property

* add test

---------

Co-authored-by: Justin Clift <justin@postgresql.org>
Co-authored-by: Guido Petri <18634426+guidopetri@users.noreply.github.com>

redash/destinations/webex.py

@@ -0,0 +1,138 @@
+import logging
+from copy import deepcopy
+
+import requests
+
+from redash.destinations import BaseDestination, register
+from redash.models import Alert
+
+
+class Webex(BaseDestination):
+    @classmethod
+    def configuration_schema(cls):
+        return {
+            "type": "object",
+            "properties": {
+                "webex_bot_token": {"type": "string", "title": "Webex Bot Token"},
+                "to_person_emails": {
+                    "type": "string",
+                    "title": "People (comma-separated)",
+                },
+                "to_room_ids": {
+                    "type": "string",
+                    "title": "Rooms (comma-separated)",
+                },
+            },
+            "secret": ["webex_bot_token"],
+            "required": ["webex_bot_token"],
+        }
+
+    @classmethod
+    def icon(cls):
+        return "fa-webex"
+
+    @property
+    def api_base_url(self):
+        return "https://webexapis.com/v1/messages"
+
+    @staticmethod
+    def formatted_attachments_template(subject, description, query_link, alert_link):
+        return [
+            {
+                "contentType": "application/vnd.microsoft.card.adaptive",
+                "content": {
+                    "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
+                    "type": "AdaptiveCard",
+                    "version": "1.0",
+                    "body": [
+                        {
+                            "type": "ColumnSet",
+                            "columns": [
+                                {
+                                    "type": "Column",
+                                    "width": 4,
+                                    "items": [
+                                        {
+                                            "type": "TextBlock",
+                                            "text": {subject},
+                                            "weight": "bolder",
+                                            "size": "medium",
+                                            "wrap": True,
+                                        },
+                                        {
+                                            "type": "TextBlock",
+                                            "text": {description},
+                                            "isSubtle": True,
+                                            "wrap": True,
+                                        },
+                                        {
+                                            "type": "TextBlock",
+                                            "text": f"Click [here]({query_link}) to check your query!",
+                                            "wrap": True,
+                                            "isSubtle": True,
+                                        },
+                                        {
+                                            "type": "TextBlock",
+                                            "text": f"Click [here]({alert_link}) to check your alert!",
+                                            "wrap": True,
+                                            "isSubtle": True,
+                                        },
+                                    ],
+                                },
+                            ],
+                        }
+                    ],
+                },
+            }
+        ]
+
+    def notify(self, alert, query, user, new_state, app, host, metadata, options):
+        # Documentation: https://developer.webex.com/docs/api/guides/cards
+
+        query_link = f"{host}/queries/{query.id}"
+        alert_link = f"{host}/alerts/{alert.id}"
+
+        if new_state == Alert.TRIGGERED_STATE:
+            subject = alert.custom_subject or f"{alert.name} just triggered"
+        else:
+            subject = f"{alert.name} went back to normal"
+
+        attachments = self.formatted_attachments_template(
+            subject=subject, description=alert.custom_body, query_link=query_link, alert_link=alert_link
+        )
+
+        template_payload = {"markdown": subject + "\n" + alert.custom_body, "attachments": attachments}
+
+        headers = {"Authorization": f"Bearer {options['webex_bot_token']}"}
+
+        api_destinations = {
+            "toPersonEmail": options.get("to_person_emails"),
+            "roomId": options.get("to_room_ids"),
+        }
+
+        for payload_tag, destinations in api_destinations.items():
+            if destinations is None:
+                continue
+
+            # destinations is guaranteed to be a comma-separated string
+            for destination_id in destinations.split(","):
+                payload = deepcopy(template_payload)
+                payload[payload_tag] = destination_id
+                self.post_message(payload, headers)
+
+    def post_message(self, payload, headers):
+        try:
+            resp = requests.post(
+                self.api_base_url,
+                json=payload,
+                headers=headers,
+                timeout=5.0,
+            )
+            logging.warning(resp.text)
+            if resp.status_code != 200:
+                logging.error("Webex send ERROR. status_code => {status}".format(status=resp.status_code))
+        except Exception as e:
+            logging.exception(f"Webex send ERROR: {e}")
+
+
+register(Webex)

redash/settings/__init__.py

@@ -364,6 +364,7 @@ def email_server_is_configured():
     "redash.destinations.hangoutschat",
     "redash.destinations.microsoft_teams_webhook",
     "redash.destinations.asana",
+    "redash.destinations.webex",
 ]
 
 enabled_destinations = array_from_string(os.environ.get("REDASH_ENABLED_DESTINATIONS", ",".join(default_destinations)))

tests/handlers/test_destinations.py

@@ -4,6 +4,7 @@
 
 from redash.destinations.asana import Asana
 from redash.destinations.discord import Discord
+from redash.destinations.webex import Webex
 from redash.models import Alert, NotificationDestination
 from tests import BaseTestCase
 
@@ -196,3 +197,53 @@ def test_asana_notify_calls_requests_post():
         )
 
         assert mock_response.status_code == 204
+
+
+def test_webex_notify_calls_requests_post():
+    alert = mock.Mock(spec_set=["id", "name", "custom_subject", "custom_body", "render_template"])
+    alert.id = 1
+    alert.name = "Test Alert"
+    alert.custom_subject = "Test custom subject"
+    alert.custom_body = "Test custom body"
+
+    alert.render_template = mock.Mock(return_value={"Rendered": "template"})
+    query = mock.Mock()
+    query.id = 1
+
+    user = mock.Mock()
+    app = mock.Mock()
+    host = "https://localhost:5000"
+    options = {"webex_bot_token": "abcd", "to_room_ids": "1234"}
+    metadata = {"Scheduled": False}
+
+    new_state = Alert.TRIGGERED_STATE
+    destination = Webex(options)
+
+    with mock.patch("redash.destinations.webex.requests.post") as mock_post:
+        mock_response = mock.Mock()
+        mock_response.status_code = 204
+        mock_post.return_value = mock_response
+
+        destination.notify(alert, query, user, new_state, app, host, metadata, options)
+
+        query_link = f"{host}/queries/{query.id}"
+        alert_link = f"{host}/alerts/{alert.id}"
+
+        formatted_attachments = Webex.formatted_attachments_template(
+            alert.custom_subject, alert.custom_body, query_link, alert_link
+        )
+
+        expected_payload = {
+            "markdown": alert.custom_subject + "\n" + alert.custom_body,
+            "attachments": formatted_attachments,
+            "roomId": "1234",
+        }
+
+        mock_post.assert_called_once_with(
+            destination.api_base_url,
+            json=expected_payload,
+            headers={"Authorization": "Bearer abcd"},
+            timeout=5.0,
+        )
+
+        assert mock_response.status_code == 204