TPT-4297: terraform: Implement linode_tag Data Source with Reserved IPv4 Support#2330
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Pull request overview
Implements a Terraform Plugin Framework-based linode_tag data source to fetch a tag’s associated objects, including support for reserved_ipv4_address associations.
Changes:
- Added
linode_tagframework data source (schema, model flattening, and Read implementation). - Added unit + integration tests, including a reserved IPv4 tagging scenario.
- Registered the new data source in the framework provider and added user-facing documentation.
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Copilot reviewed 9 out of 9 changed files in this pull request and generated 3 comments.
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| File | Description |
|---|---|
| linode/tag/framework_datasource.go | Adds the linode_tag framework data source Read implementation. |
| linode/tag/framework_datasource_model.go | Flattens Linode API tagged-object results (incl. reserved IPv4) into TF state. |
| linode/tag/framework_datasource_schema.go | Defines data source schema, including objects nested list. |
| linode/tag/framework_models_unit_test.go | Unit-tests flattening for reserved_ipv4_address and linode. |
| linode/tag/datasource_test.go | Adds acceptance tests for basic tag lookup and reserved IPv4 tagging. |
| linode/tag/tmpl/* | Adds acceptance test HCL template for the data source. |
| linode/framework_provider.go | Registers tag.NewDataSource in the framework provider. |
| docs/data-sources/tag.md | Adds documentation for linode_tag data source. |
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mawilk90
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Works well in my local testing!
ezilber-akamai
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📝 Description
The Linode API supports tagging resources via POST /tags. Tags are a lightweight organisational primitive that can be applied to Linodes, Domains, Volumes, NodeBalancers, and — as of a recent API addition — reserved IPv4 addresses.
The Terraform provider does not currently have a Framework-based linode_tag data source. Tag labels and their resource associations are already manageable through the tags field on individual resources (e.g. linode_networking_ip.tags). Adding a dedicated linode_tag resource would create a parallel, ForceNew path to a relationship that can already be managed in-place, so only the data source is implemented in this story.
✔️ How to Test