synthetics

synthetics

This module creates Datadog synthetic tests. It accepts all the configuration parameters supported by the Datadog Terraform resource except BasicAuth authentication wherever it occurs.

Usage

The datadog_synthetics input takes a map of test definitions. You must supply the keys for the map, but the values can follow either of two schemas described below.

API Schema

Datadog provides a REST API for managing synthetic tests. We refer to the responses to the API requests for test definitions as the "API Schema" for the tests. (Note that some items in the response are read-only, and are ignored if included in the definition of a test.) There are errors and omissions in the documentation of the API output, and where we have found API results that differ from the documentation, we have used the API results as the source of truth.

You can retrieve test definitions from the Datadog API in 3 ways:

1. You can retrieve an individual API test
2. You can retrieve an individual browser test
3. You can retrieve a list of all tests

NOTE: As of this writing (2023-10-20), the list of all tests fails to include the steps in a multistep browser test. You must use the individual browser test API to retrieve the test definition including the steps. This is a known issue with Datadog, and hopefully will be fixed soon, but verify that it is fixed before relying on the list of all tests if you are using multistep browser tests.

The datadog_synthetics input takes a map of test definitions. You must supply the keys for the map, but the values can simply be the output of applying Terraform's jsondecode() to the output of the API. In the case of the list of all tests, you must iterate over the list and supply a key for each test. We recommend that you use the test's name as the key.

For any test, you can optionally add enabled = false to disable/delete the test.

NOTE: Since this module is implemented in Terraform, any field in the API schema that does not have a counterpart in the Terraform schema will be ignored. As of this writing (Datadog Terraform provider version 3.30.0), that includes the metatdata field in the steps of a multistep API test.

See https://github.com/DataDog/terraform-provider-datadog/issues/2155

Terraform schema

Historically, and preserved for backward compatibility, you can configure tests using the datadog_synthetics input, which takes an object that is a map of synthetic tests, each test matching the schema of the datadog_sythetics_test Terraform resource. See examples with suffix -terraform.yaml in examples/synthetics/terraform-schema/catalog.

One distinction of this schema is that there is no config member. Instead, elements of config, such as assertions, are pulled up to the top level and rendered in the singular, e.g. assertion. Another change is that options is renamed options_list. When in doubt, refer to the Terraform code to see how the input is mapped to the Terraform resource.

Note that the Terraform resource does not support the details of the element field for the steps of a multistep browser test. This module allows you to use an object following the API schema, or you can use a string that is the JSON encoding of the object. However, if you use the JSON string encoding, and you are using a "user locator", you must supply the element_user_locator attribute even though it is already included in the JSON encoding, or else the Terraform provider will show perpetual drift.

As with the API schema, you can optionally add enabled = false to disable/delete the test.

Unsupported inputs

Any of the "BasicAuth" inputs are not supported due to their complexity and rare usage. Usually you can use the headers input instead. BasicAuth support could be added if there is a need.

Locations

The locations input takes a list of locations used to run the test. It defaults to the special value "all" which is used to indicate all public locations. Any locations included in the locations list will be added to the list of locations specified in the individual test; they will not replace the list of locations specified in the test.