implement stacks API method for variable sets

[nithishravindra]

Description

implement variable set stacks API

Add complete variable set management for stacks with three new API methods:

• ApplyToStacks: Apply variable sets to stacks (additive)
• RemoveFromStacks: Remove variable sets from stacks
• UpdateStacks: Update the list of stacks a variable set is applied to

Testing plan

External links

• API documentation
• Related PR
• JIRA

Output from tests

Including output from tests may require access to a TFE instance. Ignore this section if you have no environment to test against.

ENABLE_BETA=1 TFE_ADDRESS="https://tfcdev-3b6b72c0.ngrok.app" TFE_TOKEN=$TOKEN OAUTH_CLIENT_GITHUB_TOKEN=$GITHUB_TOKEN go test -v -run "TestVariableSetsApplyToAndRemoveFromStacks"
=== RUN   TestVariableSetsApplyToAndRemoveFromStacks
=== RUN   TestVariableSetsApplyToAndRemoveFromStacks/with_first_stack_added
=== RUN   TestVariableSetsApplyToAndRemoveFromStacks/with_second_stack_added
=== RUN   TestVariableSetsApplyToAndRemoveFromStacks/with_first_stack_removed
=== RUN   TestVariableSetsApplyToAndRemoveFromStacks/when_variable_set_ID_is_invalid
=== RUN   TestVariableSetsApplyToAndRemoveFromStacks/when_stack_ID_is_invalid
--- PASS: TestVariableSetsApplyToAndRemoveFromStacks (11.65s)
    --- PASS: TestVariableSetsApplyToAndRemoveFromStacks/with_first_stack_added (0.18s)
    --- PASS: TestVariableSetsApplyToAndRemoveFromStacks/with_second_stack_added (0.17s)
    --- PASS: TestVariableSetsApplyToAndRemoveFromStacks/with_first_stack_removed (0.17s)
    --- PASS: TestVariableSetsApplyToAndRemoveFromStacks/when_variable_set_ID_is_invalid (0.00s)
    --- PASS: TestVariableSetsApplyToAndRemoveFromStacks/when_stack_ID_is_invalid (0.00s)
PASS
ok      github.com/hashicorp/go-tfe     12.683s


ENABLE_BETA=1 TFE_ADDRESS="https://tfcdev-3b6b72c0.ngrok.app" TFE_TOKEN=$TOKEN OAUTH_CLIENT_GITHUB_TOKEN=$GITHUB_TOKEN go test -v -run "TestVariableSetsUpdateStacks"              
=== RUN   TestVariableSetsUpdateStacks
=== RUN   TestVariableSetsUpdateStacks/with_valid_stacks
--- PASS: TestVariableSetsUpdateStacks (6.09s)
    --- PASS: TestVariableSetsUpdateStacks/with_valid_stacks (0.39s)
PASS
ok      github.com/hashicorp/go-tfe     6.320s

Rollback Plan

Changes to Security Controls

[datadog-terraform-cloud-hashicorp]

⚠️ Tests

⚠️ Warnings

❄️ 2 New flaky tests detected

TestRunsApply_RunDependent from run_integration_test.go (Datadog)

failed test

TestRunsApply_RunDependent/when_the_run_exists from run_integration_test.go (Datadog)

	Error Trace:	/home/runner/work/go-tfe/go-tfe/run_integration_test.go:597
	            				/home/runner/go/pkg/mod/github.com/!data!dog/dd-trace-go/v2@v2.4.0/internal/civisibility/integrations/gotesting/instrumentation_orchestrion.go:242
	Error:      	Received unexpected error:
	            	transition not allowed
	Test:       	TestRunsApply_RunDependent/when_the_run_exists

ℹ️ Info

🧪 All tests passed

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 7d5e7b7 | Docs | Was this helpful? Give us feedback!}

[ctrombley]

Looks good, thanks @nithishravindra!

[github-actions]

Reminder to the contributor that merged this PR: if your changes have added important functionality or fixed a relevant bug, open a follow-up PR to update CHANGELOG.md with a note on your changes.