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This component provisions DMS replication tasks.

Usage

Stack Level: Regional

Here are some example snippets for how to use this component:

components:
  terraform:
    dms/replication-task/defaults:
      metadata:
        type: abstract
      settings:
        spacelift:
          workspace_enabled: true
          autodeploy: false
      vars:
        enabled: true
        start_replication_task: true
        migration_type: full-load-and-cdc

    dms-replication-task-example:
      metadata:
        component: dms/replication-task
        inherits:
          - dms/replication-task/defaults
      vars:
        name: example
        replication_instance_component_name: dms-replication-instance-t2-small
        source_endpoint_component_name: dms-endpoint-source-example
        target_endpoint_component_name: dms-endpoint-target-example
        replication_task_settings_file: "config/replication-task-settings-example.json"
        table_mappings_file: "config/replication-task-table-mappings-example.json"

Requirements

Name Version
terraform >= 1.2.0
aws >= 4.26.0

Providers

No providers.

Modules

Name Source Version
dms_endpoint_source cloudposse/stack-config/yaml//modules/remote-state 1.5.0
dms_endpoint_target cloudposse/stack-config/yaml//modules/remote-state 1.5.0
dms_replication_instance cloudposse/stack-config/yaml//modules/remote-state 1.5.0
dms_replication_task cloudposse/dms/aws//modules/dms-replication-task 0.1.1
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
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
cdc_start_position Indicates when you want a change data capture (CDC) operation to start. The value can be in date, checkpoint, or LSN/SCN format depending on the source engine, Conflicts with cdc_start_time string null no
cdc_start_time The Unix timestamp integer for the start of the Change Data Capture (CDC) operation. Conflicts with cdc_start_position string null 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
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
migration_type The migration type. Can be one of full-load, cdc, full-load-and-cdc string "full-load-and-cdc" 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
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
replication_instance_component_name DMS replication instance component name (used to get the ARN of the DMS replication instance) string n/a yes
replication_task_settings_file Path to the JSON file that contains the task settings. See https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Tasks.CustomizingTasks.TaskSettings.html for more details string null no
source_endpoint_component_name DMS source endpoint component name (used to get the ARN of the DMS source endpoint) string n/a yes
stage ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' string null no
start_replication_task If set to true, the created replication tasks will be started automatically bool true no
table_mappings_file Path to the JSON file that contains the table mappings. See https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Tasks.CustomizingTasks.TableMapping.html for more details string n/a yes
tags Additional tags (e.g. {'BusinessUnit': 'XYZ'}).
Neither the tag keys nor the tag values will be modified by this module.
map(string) {} no
target_endpoint_component_name DMS target endpoint component name (used to get the ARN of the DMS target endpoint) string n/a yes
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
dms_replication_task_arn DMS replication task ARN
dms_replication_task_id DMS replication task ID

References

Tip

πŸ‘½ Use Atmos with Terraform

Cloud Posse uses atmos to easily orchestrate multiple environments using Terraform.
Works with Github Actions, Atlantis, or Spacelift.

Watch demo of using Atmos with Terraform
Example of running atmos to manage infrastructure from our Quick Start tutorial.

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

Tip

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✨ Contributing

This project is under active development, and we encourage contributions from our community.

Many thanks to our outstanding contributors:

For πŸ› bug reports & feature requests, please use the issue tracker.

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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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
specific language governing permissions and limitations
under the License.

Trademarks

All other trademarks referenced herein are the property of their respective owners.


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