feat: embedded dashboard (#18561)

* add embedded dashboard

* json

* lint

* change json to text

* uuid

superset/migrations/versions/5afbb1a5849b_add_embedded_dahshoard_table.py

@@ -0,0 +1,52 @@
+# 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.
+"""add_embedded_dahshoard_table
+
+Revision ID: 5afbb1a5849b
+Revises: 5fd49410a97a
+Create Date: 2022-01-28 16:03:02.944080
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = "5afbb1a5849b"
+down_revision = "5fd49410a97a"
+
+from uuid import uuid4
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy_utils import UUIDType
+
+
+def upgrade():
+    op.create_table(
+        "embedded_dashboards",
+        sa.Column("created_on", sa.DateTime(), nullable=True),
+        sa.Column("changed_on", sa.DateTime(), nullable=True),
+        sa.Column("allow_domain_list", sa.Text(), nullable=True),
+        sa.Column("uuid", UUIDType(binary=True), default=uuid4),
+        sa.Column(
+            "dashboard_id", sa.Integer(), sa.ForeignKey("dashboards.id"), nullable=False
+        ),
+        sa.Column("changed_by_fk", sa.Integer(), nullable=True),
+        sa.Column("created_by_fk", sa.Integer(), nullable=True),
+    )
+
+
+def downgrade():
+    op.drop_table("embedded_dashboards")