cloudrunv2: send 0.0 values for cpuUtilization and concurrencyUtilization to support disabling scaling signals

[manalikumar]

When setting cpu_utilization = 0 or concurrency_utilization = 0 to disable autoscaling thresholds, Terraform was omitting the field because 0.0 is considered an empty value in Go.

Using a custom expander with raw config inspection ensures that 0.0 is explicitly sent in the request payload to the Cloud Run v2 API when configured in HCL, while unconfigured fields remain omitted so default autoscaling behavior is preserved without triggering mutual exclusion 400 errors.

Fixes b/448515376

cloudrun: fixed an issue where setting `cpu_utilization = 0` or `concurrency_utilization = 0` on `google_cloud_run_v2_service` did not disable the autoscaling signal

[github-actions]

Googlers: For automatic test runs see go/terraform-auto-test-runs.

@ScottSuarez, a repository maintainer, has been assigned to review your changes. If you have not received review feedback within 2 business days, please leave a comment on this PR asking them to take a look.

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[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes for commit 56d3f43:

Diff report

Your PR generated the following diffs in downstream repositories:

Repository	Diff Link	Changes
google-beta provider	View Diff	2 files changed, 29 insertions(+), 2 deletions(-)
terraform-google-conversion	View Diff	1 file changed, 2 insertions(+), 2 deletions(-)

Test report

Analytics

Total Tests	Passed	Skipped	Affected
97	74	9	14

Affected Service Packages

• cloudrunv2

Learn how VCR tests work

---

Step 1: Replaying Mode

Action taken

Found 14 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit.

Click here to see the affected tests

• TestAccCloudRunV2Service_cloudrunv2MultiRegionService
• TestAccCloudRunV2Service_cloudrunv2ServiceAttributionLabel
• TestAccCloudRunV2Service_cloudrunv2ServiceCustomAudienceUpdate
• TestAccCloudRunV2Service_cloudrunv2ServiceFullUpdate
• TestAccCloudRunV2Service_cloudrunv2ServiceGRPCProbesUpdate
• TestAccCloudRunV2Service_cloudrunv2ServiceHTTPProbesUpdate
• TestAccCloudRunV2Service_cloudrunv2ServiceMeshUpdate
• TestAccCloudRunV2Service_cloudrunv2ServiceScalingControlsExample
• TestAccCloudRunV2Service_cloudrunv2ServiceTCPProbesUpdate
• TestAccCloudRunV2Service_cloudrunv2ServiceWithDefaultUriDisabled
• TestAccCloudRunV2Service_cloudrunv2ServiceWithDirectVPCUpdate
• TestAccCloudRunV2Service_cloudrunv2ServiceWithManualScaling
• TestAccCloudRunV2Service_cloudrunv2ServiceWithReadinessProbe
• TestAccCloudRunV2Service_cloudrunv2ServiceWithResourcesRequirements

View the replaying VCR build log

---

Step 2: Recording Mode

Recording Mode	Replaying Rerun	Test Name
✅ Log	✅	TestAccCloudRunV2Service_cloudrunv2ServiceAttributionLabel
✅ Log	✅	TestAccCloudRunV2Service_cloudrunv2ServiceCustomAudienceUpdate
✅ Log	✅	TestAccCloudRunV2Service_cloudrunv2ServiceFullUpdate
✅ Log	✅	TestAccCloudRunV2Service_cloudrunv2ServiceHTTPProbesUpdate
✅ Log	✅	TestAccCloudRunV2Service_cloudrunv2ServiceScalingControlsExample
✅ Log	✅	TestAccCloudRunV2Service_cloudrunv2ServiceTCPProbesUpdate
✅ Log	✅	TestAccCloudRunV2Service_cloudrunv2ServiceWithDefaultUriDisabled
✅ Log	✅	TestAccCloudRunV2Service_cloudrunv2ServiceWithDirectVPCUpdate
✅ Log	✅	TestAccCloudRunV2Service_cloudrunv2ServiceWithManualScaling
❌ Error · Log	-	TestAccCloudRunV2Service_cloudrunv2MultiRegionService
❌ Error · Log	-	TestAccCloudRunV2Service_cloudrunv2ServiceGRPCProbesUpdate
❌ Error · Log	-	TestAccCloudRunV2Service_cloudrunv2ServiceMeshUpdate
❌ Error · Log	-	TestAccCloudRunV2Service_cloudrunv2ServiceWithReadinessProbe
❌ Error · Log	-	TestAccCloudRunV2Service_cloudrunv2ServiceWithResourcesRequirements

Caution

Issues requiring attention before PR completion

🔴 Initial Recording Failed: Some tests failed during the recording step. See the table above for details.

Please address these issues to complete your PR. If you believe these detections are incorrect or unrelated to your change, please raise the concern with your reviewer.

View the recording VCR build log or the debug logs folder for detailed results.

@manalikumar, @ian-mi, @ScottSuarez VCR tests complete for 56d3f43!