Add SnowflakeCortexAgentHook

providers/snowflake/provider.yaml

@@ -150,6 +150,7 @@ hooks:
     python-modules:
       - airflow.providers.snowflake.hooks.snowflake
       - airflow.providers.snowflake.hooks.snowflake_sql_api
+      - airflow.providers.snowflake.hooks.snowflake_cortex_agent
 
 transfers:
   - source-integration-name: Amazon Simple Storage Service (S3)

providers/snowflake/src/airflow/providers/snowflake/get_provider_info.py

@@ -75,6 +75,7 @@ def get_provider_info():
                 "python-modules": [
                     "airflow.providers.snowflake.hooks.snowflake",
                     "airflow.providers.snowflake.hooks.snowflake_sql_api",
+                    "airflow.providers.snowflake.hooks.snowflake_cortex_agent",
                 ],
             }
         ],

providers/snowflake/src/airflow/providers/snowflake/hooks/snowflake_cortex_agent.py

@@ -0,0 +1,167 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+from __future__ import annotations
+
+from typing import Any
+
+import requests
+
+from airflow.providers.snowflake.hooks.snowflake import SnowflakeHook
+
+AGENT_REQUEST_TIMEOUT = 60  # Prevent hanging agent requests.
+
+
+class SnowflakeCortexAgentHook(SnowflakeHook):
+    """Hook for interacting with Snowflake Cortex Agents."""
+
+    def _get_base_url(self) -> str:
+        conn_config = self._get_static_conn_params
+
+        host = conn_config.get("host")
+        if host:
+            return f"https://{host}"
+
+        return f"https://{conn_config['account']}.snowflakecomputing.com"
+
+    def _get_access_token(self) -> str:
+        conn_config = self._get_conn_params()
+
+        token = conn_config.get("token")
+        if not token:
+            raise ValueError(
+                "Snowflake connection does not provide an OAuth access token. "
+                "Cortex Agents require OAuth authentication."
+            )
+
+        return token
+
+    def _request(
+        self,
+        *,
+        method: str,
+        endpoint: str,
+        payload: dict[str, Any] | None = None,
+    ) -> dict[str, Any]:
+
+        response = requests.request(
+            method=method,
+            url=f"{self._get_base_url()}{endpoint}",
+            headers={
+                "Authorization": f"Bearer {self._get_access_token()}",
+                "Content-Type": "application/json",
+            },
+            json=payload,
+            timeout=AGENT_REQUEST_TIMEOUT,
+        )
+
+        response.raise_for_status()
+
+        return response.json()
+
+    def run_agent(
+        self,
+        *,
+        database: str,
+        schema: str,
+        agent_name: str,
+        messages: list[dict[str, Any]],
+        thread_id: int | None = None,
+        parent_message_id: int | None = None,
+        stream: bool = False,
+        tool_choice: dict[str, Any] | None = None,
+        models: dict[str, Any] | None = None,
+        instructions: dict[str, Any] | None = None,
+        orchestration: dict[str, Any] | None = None,
+        tools: list[dict[str, Any]] | None = None,
+        tool_resources: dict[str, Any] | None = None,
+    ) -> dict[str, Any]:
+        """
+        Execute a Snowflake Cortex Agent and return the response payload.
+
+        :param database: Database containing the Cortex Agent.
+        :param schema: Schema containing the Cortex Agent.
+        :param agent_name: Name of the Cortex Agent to execute.
+        :param messages: Conversation messages to send to the agent. For a new
+            conversation, this should contain the conversation history and the
+            current user message. When ``thread_id`` and ``parent_message_id``
+            are provided, this should contain only the current user message.
+        :param thread_id: Existing conversation thread identifier. Optional.
+            When provided, ``parent_message_id`` must also be supplied.
+            Defaults to ``None``.
+        :param parent_message_id: Parent message identifier within the specified
+            thread. Required when ``thread_id`` is provided. Defaults to ``None``.
+        :param stream: Whether to request a streaming response. Defaults to
+            ``False``.
+        :param tool_choice: Tool selection configuration for the agent. Optional.
+            Defaults to ``None``.
+        :param models: Model configuration for the agent. Optional. Defaults to
+            ``None``.
+        :param instructions: Agent instruction overrides. Optional. Defaults to
+            ``None``.
+        :param orchestration: Orchestration configuration for the agent.
+            Optional. Defaults to ``None``.
+        :param tools: Additional tools available to the agent. Optional.
+            Defaults to ``None``.
+        :param tool_resources: Configuration for tools specified in ``tools``.
+            Optional. Defaults to ``None``.
+        :return: JSON response returned by the Cortex Agent.
+        """
+        if thread_id is not None and parent_message_id is None:
+            raise ValueError("parent_message_id must be provided when thread_id is specified.")
+
+        payload: dict[str, Any] = {
+            "messages": messages,
+            "stream": stream,
+        }
+
+        if thread_id is not None:
+            payload["thread_id"] = thread_id
+            payload["parent_message_id"] = parent_message_id
+
+        if tool_choice is not None:
+            payload["tool_choice"] = tool_choice
+
+        if models is not None:
+            payload["models"] = models
+
+        if instructions is not None:
+            payload["instructions"] = instructions
+
+        if orchestration is not None:
+            payload["orchestration"] = orchestration
+
+        if tools is not None:
+            payload["tools"] = tools
+
+        if tool_resources is not None:
+            payload["tool_resources"] = tool_resources
+
+        endpoint = f"/api/v2/databases/{database}/schemas/{schema}/agents/{agent_name}:run"
+
+        return self._request(
+            method="POST",
+            endpoint=endpoint,
+            payload=payload,
+        )
+
+    @staticmethod
+    def get_text_response(response: dict[str, Any]) -> str:
+        """Extract text blocks from a Cortex Agent response."""
+        return "".join(
+            block.get("text", "") for block in response.get("content", []) if block.get("type") == "text"
+        )