dify

dify/api/schedule/update_tidb_serverless_status_task.py

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+import time
+from collections.abc import Sequence
+
+import click
+from sqlalchemy import select
+
+import app
+from configs import dify_config
+from core.rag.datasource.vdb.tidb_on_qdrant.tidb_service import TidbService
+from extensions.ext_database import db
+from models.dataset import TidbAuthBinding
+
+
+@app.celery.task(queue="dataset")
+def update_tidb_serverless_status_task():
+    click.echo(click.style("Update tidb serverless status task.", fg="green"))
+    start_at = time.perf_counter()
+    try:
+        # check the number of idle tidb serverless
+        tidb_serverless_list = db.session.scalars(
+            select(TidbAuthBinding).where(TidbAuthBinding.active == False, TidbAuthBinding.status == "CREATING")
+        ).all()
+        if len(tidb_serverless_list) == 0:
+            return
+        # update tidb serverless status
+        update_clusters(tidb_serverless_list)
+
+    except Exception as e:
+        click.echo(click.style(f"Error: {e}", fg="red"))
+
+    end_at = time.perf_counter()
+    click.echo(click.style(f"Update tidb serverless status task success latency: {end_at - start_at}", fg="green"))
+
+
+def update_clusters(tidb_serverless_list: Sequence[TidbAuthBinding]):
+    try:
+        # batch 20
+        for i in range(0, len(tidb_serverless_list), 20):
+            items = tidb_serverless_list[i : i + 20]
+            # TODO: maybe we can set the default value for the following parameters in the config file
+            TidbService.batch_update_tidb_serverless_cluster_status(
+                tidb_serverless_list=items,
+                project_id=dify_config.TIDB_PROJECT_ID or "",
+                api_url=dify_config.TIDB_API_URL or "",
+                iam_url=dify_config.TIDB_IAM_API_URL or "",
+                public_key=dify_config.TIDB_PUBLIC_KEY or "",
+                private_key=dify_config.TIDB_PRIVATE_KEY or "",
+            )
+    except Exception as e:
+        click.echo(click.style(f"Error: {e}", fg="red"))