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provider-add-attribute

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Add new attributes to an existing Terraform Provider resource. Covers the full workflow from code changes (Schema/Create/Read/Update), testing, documentation, to submitting a PR.

QUICK START

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Source SKILL.md: https://github.com/aliyun/terraform-provider-alicloud/blob/HEAD/.opencode/skills/provider-add-attribute/SKILL.md

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Add Attribute to Provider Resource

Add one or more new attributes to an existing Terraform Provider resource.

Requirement Sources

Requirements may come from:

  • User's direct description
  • An Aone workitem link
  • A GitLab Code Review link

If the user provides a link, use the link-info-extractor skill to extract requirement details first:

task(category="quick", load_skills=["link-info-extractor"], ...)

Step 1: Prepare Development Environment

cd <provider_repo_path>
git checkout master
git pull --rebase alicloud master
git checkout -b feat/<briefDescription>

Checkpoint: git branch --show-current should show the new branch name.

Step 2: Locate Target Files

Find these four files:

  • alicloud/resource_alicloud_<product>_<resource>.go — Schema + CRUD
  • alicloud/resource_alicloud_<product>_<resource>_test.go — Tests
  • alicloud/service_alicloud_<product>[_v2].go — Describe method (data source for Read)
  • website/docs/r/<product>_<resource>.html.markdown — Documentation

Find an existing attribute with the same type and behavior as a reference template (e.g., same TypeBool + Optional + Computed + ForceNew combination).

Note: Attribute tags must be set based on actual requirements:

  • Computed is NOT set by default. If tests show the new attribute causes a diff when unset (typically in existing test cases), add Computed: true.
  • ForceNew should be set to true when the attribute does not support updates.

Step 3: Modify Code

Rules

  1. Remove the auto-generated comment on line 1 once you modify a resource file: // Package alicloud. This file is generated automatically...
  2. Naming convention: Terraform uses snake_case (e.g., delete_on_release), API uses PascalCase (e.g., DeleteOnRelease)
  3. Boolean attributes MUST use GetOkExists: GetOk cannot distinguish false from unset (Go zero-value problem), causing false values to be silently dropped
  4. String / Integer attributes use GetOk
  5. Do NOT use v.(*schema.Set) or v.([]interface{}) for array type assertion — use convertToInterfaceArray instead
  6. New attributes MUST have tests. If the attribute is updatable, the update action MUST be tested
  7. Document the available-since version for new attributes, e.g., * \tags` - (Optional, Map, Available since v1.55.3) ...`. Use the upcoming version from CHANGELOG.md

Step 4: Verify

# 1. Quick CI check
make ci-check-quick

# 2. Full CI check (includes example tests and integration tests)
make ci-check

# 3. If step 2 has test failures, debug with specific resource and test case:
make test-resource-debug RESOURCE=alicloud_vpc TESTCASE=TestAccAliCloudVPC_enableIpv6 LOGLEVEL=TRACE LOGFILE=vpc-test.log

Step 5: Commit Code

Squash all changes into a single commit:

git status && git diff
make commit
git push origin feat/<brief_description>

Commit message format:

feat(<resource_name>): add <attribute_name> attribute

Closes: <requirement_url>

Important Notes

  1. Skip unit tests — only run resource acceptance tests
  2. All test failures (API errors, inventory issues, quota problems) must be resolved, never skipped
  3. All changes should be squashed into a single git commit
  4. Before adjusting API call parameters, use aliyun <Product> <Action> help to check API documentation

Acceptance Criteria

  1. Requirement is correctly implemented
  2. New test cases pass (Create + Import + Update all PASS)
  3. All existing test cases for the resource still pass
  4. ci-check-quick and ci-check pass