» Resource: aws_appsync_resolver

Provides an AppSync Resolver.

» Example Usage

resource "aws_appsync_graphql_api" "test" {
  authentication_type = "API_KEY"
  name                = "tf-example"

  schema = <<EOF
type Mutation {
    putPost(id: ID!, title: String!): Post
}

type Post {
    id: ID!
    title: String!
}

type Query {
    singlePost(id: ID!): Post
}

schema {
    query: Query
    mutation: Mutation
}
EOF
}

resource "aws_appsync_datasource" "test" {
  api_id = "${aws_appsync_graphql_api.test.id}"
  name   = "tf_example"
  type   = "HTTP"

  http_config {
    endpoint = "http://example.com"
  }
}

# UNIT type resolver (default)
resource "aws_appsync_resolver" "test" {
  api_id      = "${aws_appsync_graphql_api.test.id}"
  field       = "singlePost"
  type        = "Query"
  data_source = "${aws_appsync_datasource.test.name}"

  request_template = <<EOF
{
    "version": "2018-05-29",
    "method": "GET",
    "resourcePath": "/",
    "params":{
        "headers": $utils.http.copyheaders($ctx.request.headers)
    }
}
EOF

  response_template = <<EOF
#if($ctx.result.statusCode == 200)
    $ctx.result.body
#else
    $utils.appendError($ctx.result.body, $ctx.result.statusCode)
#end
EOF
}

# PIPELINE type resolver
resource "aws_appsync_resolver" "Mutation_pipelineTest" {
  type = "Mutation"
  api_id = "${aws_appsync_graphql_api.test.id}"
  field = "pipelineTest"
  request_template = "{}"
  response_template = "$util.toJson($ctx.result)"
  kind = "PIPELINE"
  pipeline_config {
    functions = [
      "${aws_appsync_function.test1.function_id}",
      "${aws_appsync_function.test2.function_id}",
      "${aws_appsync_function.test3.function_id}"
    ]
  }
}

» Argument Reference

The following arguments are supported:

  • api_id - (Required) The API ID for the GraphQL API.
  • type - (Required) The type name from the schema defined in the GraphQL API.
  • field - (Required) The field name from the schema defined in the GraphQL API.
  • request_template - (Required) The request mapping template for UNIT resolver or 'before mapping template' for PIPELINE resolver.
  • response_template - (Required) The response mapping template for UNIT resolver or 'after mapping template' for PIPELINE resolver.
  • data_source - (Optional) The DataSource name.
  • kind - (Optional) The resolver type. Valid values are UNIT and PIPELINE.
  • pipeline_config - (Optional) The PipelineConfig. A pipeline_config block is documented below.

An pipeline_config block supports the following arguments:

  • functions - (Required) The list of Function ID.

» Attributes Reference

In addition to all arguments above, the following attributes are exported:

  • arn - The ARN

» Import

aws_appsync_resolver can be imported with their api_id, a hyphen, type, a hypen and field e.g.

$ terraform import aws_appsync_resolver.example abcdef123456-exampleType-exampleField