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This component provides the ability to implement Datadog synthetic tests.

Synthetic tests allow you to observe how your systems and applications are performing using simulated requests and actions from the AWS managed locations around the globe, and to monitor internal endpoints from Private Locations.

Usage

Stack Level: Regional

Here's an example snippet for how to use this component:

Stack Configuration

components:
  terraform:
    datadog-synthetics:
      metadata:
        component: "datadog-synthetics"
      settings:
        spacelift:
          workspace_enabled: true
      vars:
        enabled: true
        name: "datadog-synthetics"
        locations:
          - "all"
        # List of paths to Datadog synthetic test configurations
        synthetics_paths:
          - "catalog/synthetics/examples/*.yaml"
        synthetics_private_location_component_name: "datadog-synthetics-private-location"
        private_location_test_enabled: true

Synthetics Configuration Examples

Below are examples of Datadog browser and API synthetic tests.

The synthetic tests are defined in YAML using either the Datadog Terraform provider schema or the Datadog Synthetics API schema. See the terraform-datadog-platform Terraform module README for more details. We recommend using the API schema so you can more create and edit tests using the Datadog web API and then import them into this module by downloading the test using the Datadog REST API. (See the Datadog API documentation for the appropriate curl commands to use.)

# API schema
my-browser-test:
  name: My Browser Test
  status: live
  type: browser
  config:
    request:
      method: GET
      headers: {}
      url: https://example.com/login
    setCookie: |-
      DatadogTest=true
  message: "My Browser Test Failed"
  options:
    device_ids:
      - chrome.laptop_large
      - edge.tablet
      - firefox.mobile_small
    ignoreServerCertificateError: false
    disableCors: false
    disableCsp: false
    noScreenshot: false
    tick_every: 86400
    min_failure_duration: 0
    min_location_failed: 1
    retry:
      count: 0
      interval: 300
    monitor_options:
      renotify_interval: 0
    ci:
      executionRule: non_blocking
    rumSettings:
      isEnabled: false
    enableProfiling: false
    enableSecurityTesting: false
  locations:
    - aws:us-east-1
    - aws:us-west-2

# Terraform schema
my-api-test:
  name: "API Test"
  message: "API Test Failed"
  type: api
  subtype: http
  tags:
    - "managed-by:Terraform"
  status: "live"
  request_definition:
    url: "CHANGEME"
    method: GET
  request_headers:
    Accept-Charset: "utf-8, iso-8859-1;q=0.5"
    Accept: "text/json"
  options_list:
    tick_every: 1800
    no_screenshot: false
    follow_redirects: true
    retry:
      count: 2
      interval: 10
    monitor_options:
      renotify_interval: 300
  assertion:
    - type: statusCode
      operator: is
      target: "200"
    - type: body
      operator: validatesJSONPath
      targetjsonpath:
        operator: is
        targetvalue: true
        jsonpath: foo.bar

These configuration examples are defined in the YAML files in the catalog/synthetics/examples folder.

You can use different subfolders for your use-case. For example, you can have dev and prod subfolders to define different synthetic tests for the dev and prod environments.

Then use the synthetic_paths variable to point the component to the synthetic test configuration files.

The configuration files are processed and transformed in the following order:

  • The datadog-synthetics component loads the YAML configuration files from the filesystem paths specified by the synthetics_paths variable

  • Then, in the synthetics module, the YAML configuration files are merged and transformed from YAML into the Datadog Terraform provider schema

  • And finally, the Datadog Terraform provider uses the Datadog Synthetics API specifications to call the Datadog API and provision the synthetic tests

Requirements

Name Version
terraform >= 1.0.0
aws >= 4.9.0
datadog >= 3.3.0

Providers

No providers.

Modules

Name Source Version
datadog_configuration ../datadog-configuration/modules/datadog_keys n/a
datadog_synthetics cloudposse/platform/datadog//modules/synthetics 1.3.0
datadog_synthetics_merge cloudposse/config/yaml//modules/deepmerge 1.0.2
datadog_synthetics_private_location cloudposse/stack-config/yaml//modules/remote-state 1.5.0
datadog_synthetics_yaml_config cloudposse/config/yaml 1.0.2
iam_roles ../account-map/modules/iam-roles n/a
this cloudposse/label/null 0.25.0

Resources

No resources.

Inputs

Name Description Type Default Required
additional_tag_map Additional key-value pairs to add to each map in tags_as_list_of_maps. Not added to tags or id.
This is for some rare cases where resources want additional configuration of tags
and therefore take a list of maps with tag key, value, and additional configuration.
map(string) {} no
alert_tags List of alert tags to add to all alert messages, e.g. ["@opsgenie"] or ["@devops", "@opsgenie"] list(string) null no
alert_tags_separator Separator for the alert tags. All strings from the alert_tags variable will be joined into one string using the separator and then added to the alert message string "\n" no
attributes ID element. Additional attributes (e.g. workers or cluster) to add to id,
in the order they appear in the list. New attributes are appended to the
end of the list. The elements of the list are joined by the delimiter
and treated as a single ID element.
list(string) [] no
config_parameters Map of parameter values to interpolate into Datadog Synthetic configurations map(any) {} no
context Single object for setting entire context at once.
See description of individual variables for details.
Leave string and numeric variables as null to use default value.
Individual variable settings (non-null) override settings in context object,
except for attributes, tags, and additional_tag_map, which are merged.
any
{
"additional_tag_map": {},
"attributes": [],
"delimiter": null,
"descriptor_formats": {},
"enabled": true,
"environment": null,
"id_length_limit": null,
"label_key_case": null,
"label_order": [],
"label_value_case": null,
"labels_as_tags": [
"unset"
],
"name": null,
"namespace": null,
"regex_replace_chars": null,
"stage": null,
"tags": {},
"tenant": null
}
no
context_tags List of context tags to add to each synthetic check set(string)
[
"namespace",
"tenant",
"environment",
"stage"
]
no
context_tags_enabled Whether to add context tags to add to each synthetic check bool true no
datadog_synthetics_globals Map of keys to add to every monitor any {} no
delimiter Delimiter to be used between ID elements.
Defaults to - (hyphen). Set to "" to use no delimiter at all.
string null no
descriptor_formats Describe additional descriptors to be output in the descriptors output map.
Map of maps. Keys are names of descriptors. Values are maps of the form
{<br/> format = string<br/> labels = list(string)<br/>}
(Type is any so the map values can later be enhanced to provide additional options.)
format is a Terraform format string to be passed to the format() function.
labels is a list of labels, in order, to pass to format() function.
Label values will be normalized before being passed to format() so they will be
identical to how they appear in id.
Default is {} (descriptors output will be empty).
any {} no
enabled Set to false to prevent the module from creating any resources bool null no
environment ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT' string null no
id_length_limit Limit id to this many characters (minimum 6).
Set to 0 for unlimited length.
Set to null for keep the existing setting, which defaults to 0.
Does not affect id_full.
number null no
label_key_case Controls the letter case of the tags keys (label names) for tags generated by this module.
Does not affect keys of tags passed in via the tags input.
Possible values: lower, title, upper.
Default value: title.
string null no
label_order The order in which the labels (ID elements) appear in the id.
Defaults to ["namespace", "environment", "stage", "name", "attributes"].
You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present.
list(string) null no
label_value_case Controls the letter case of ID elements (labels) as included in id,
set as tag values, and output by this module individually.
Does not affect values of tags passed in via the tags input.
Possible values: lower, title, upper and none (no transformation).
Set this to title and set delimiter to "" to yield Pascal Case IDs.
Default value: lower.
string null no
labels_as_tags Set of labels (ID elements) to include as tags in the tags output.
Default is to include all labels.
Tags with empty values will not be included in the tags output.
Set to [] to suppress all generated tags.
Notes:
The value of the name tag, if included, will be the id, not the name.
Unlike other null-label inputs, the initial setting of labels_as_tags cannot be
changed in later chained modules. Attempts to change it will be silently ignored.
set(string)
[
"default"
]
no
locations Array of locations used to run synthetic tests list(string) [] no
name ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'.
This is the only ID element not also included as a tag.
The "name" tag is set to the full id string. There is no tag with the value of the name input.
string null no
namespace ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique string null no
private_location_test_enabled Use private locations or the public locations provided by datadog bool false no
regex_replace_chars Terraform regular expression (regex) string.
Characters matching the regex will be removed from the ID elements.
If not set, "/[^a-zA-Z0-9-]/" is used to remove all characters other than hyphens, letters and digits.
string null no
region AWS Region string n/a yes
stage ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' string null no
synthetics_paths List of paths to Datadog synthetic test configurations list(string) n/a yes
synthetics_private_location_component_name The name of the Datadog synthetics private location component string null no
tags Additional tags (e.g. {'BusinessUnit': 'XYZ'}).
Neither the tag keys nor the tag values will be modified by this module.
map(string) {} no
tenant ID element _(Rarely used, not included by default)_. A customer identifier, indicating who this instance of a resource is for string null no

Outputs

Name Description
datadog_synthetics_test_ids IDs of the created Datadog synthetic tests
datadog_synthetics_test_maps Map (name: id) of the created Datadog synthetic tests
datadog_synthetics_test_monitor_ids IDs of the monitors associated with the Datadog synthetics tests
datadog_synthetics_test_names Names of the created Datadog synthetic tests

References


Note

This project is part of Cloud Posse's comprehensive "SweetOps" approach towards DevOps.

Learn More

It's 100% Open Source and licensed under the APACHE2.

Related Projects

Check out these related projects.

  • Cloud Posse Terraform Modules - Our collection of reusable Terraform modules used by our reference architectures.
  • Atmos - Atmos is like docker-compose but for your infrastructure

✨ Contributing

This project is under active development, and we encourage contributions from our community. Many thanks to our outstanding contributors:

πŸ› Bug Reports & Feature Requests

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In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.

  1. Review our Code of Conduct and Contributor Guidelines.
  2. Fork the repo on GitHub
  3. Clone the project to your own machine
  4. Commit changes to your own branch
  5. Push your work back up to your fork
  6. Submit a Pull Request so that we can review your changes

NOTE: Be sure to merge the latest changes from "upstream" before making a pull request!

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About

This project is maintained by Cloud Posse, LLC.

We are a DevOps Accelerator for funded startups and enterprises. Use our ready-to-go terraform architecture blueprints for AWS to get up and running quickly. We build it with you. You own everything. Your team wins. Plus, we stick around until you succeed.

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πŸ“š See What's Included
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License

License

Preamble to the Apache License, Version 2.0

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

  https://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
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