graphql-engine/docs/graphql/manual/api-reference/schema-metadata-api/remote-schemas.rst
2020-01-14 18:27:45 +05:30

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.. meta::
:description: Manage remote schemas with the Hasura schema/metadata API
:keywords: hasura, docs, schema/metadata API, API reference, remote schema
Schema/Metadata API Reference: Remote schemas
=============================================
.. contents:: Table of contents
:backlinks: none
:depth: 1
:local:
Add/Remove a remote GraphQL server as remote schema in Hasura GraphQL engine.
.. _add_remote_schema:
add_remote_schema
-----------------
``add_remote_schema`` is used to add a remote GraphQL server as remote schema. GraphQL engine stitches it's schema with existing.
An example request as follows:
.. code-block:: http
POST /v1/query HTTP/1.1
Content-Type: application/json
X-Hasura-Role: admin
{
"type": "add_remote_schema",
"args": {
"name": "my remote schema",
"definition": {
"url": "https://remote-server.com/graphql",
"headers": [{"name": "X-Server-Request-From", "value": "Hasura"}],
"forward_client_headers": false,
"timeout_seconds": 60
},
"comment": "some optional comment"
}
}
.. _add_remote_schema_syntax:
.. list-table::
:header-rows: 1
* - Key
- Required
- Schema
- Description
* - name
- true
- :ref:`RemoteSchemaName`
- Name of the remote schema
* - definition
- true
- :ref:`RemoteSchemaDef`
- Definition for the remote schema
* - comment
- false
- Text
- comment
.. _remove_remote_schema:
remove_remote_schema
--------------------
``remove_remote_schema`` is used to delete a remote schema. GraphQL engine de-stitches it's schema.
An example request as follows:
.. code-block:: http
POST /v1/query HTTP/1.1
Content-Type: application/json
X-Hasura-Role: admin
{
"type": "remove_remote_schema",
"args": {
"name": "my remote schema"
}
}
.. _remove_remote_schema_syntax:
.. list-table::
:header-rows: 1
* - Key
- Required
- Schema
- Description
* - name
- true
- :ref:`RemoteSchemaName`
- Name of the remote schema
.. _reload_remote_schema:
reload_remote_schema
--------------------
``reload_remote_schema`` is used to refresh schema of the remote server. GraphQL engine refetches schema from server and stitches.
An example request as follows:
.. code-block:: http
POST /v1/query HTTP/1.1
Content-Type: application/json
X-Hasura-Role: admin
{
"type": "reload_remote_schema",
"args": {
"name": "my remote schema"
}
}
.. _reload_remote_schema_syntax:
.. list-table::
:header-rows: 1
* - Key
- Required
- Schema
- Description
* - name
- true
- :ref:`RemoteSchemaName`
- Name of the remote schema