Add default value to env.value to fix the plan diffs in cloud run services

[zli82016]

fixes b/240147716
fixes hashicorp/terraform-provider-google#7467
fixes hashicorp/terraform-provider-google#10634

This change will fix the diffs for unchanged env. env is a set. The env.value has value "" in Terraform state, but it has value nil in Terraform plan, which causes the diffs for unchanged env.

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cloudrun: fixed the perma-diffs for unchanged `template.spec.containers.env` in `google_cloud_run_service` resource

cloudrunv2: fixed the perma-diffs for unchanged `template.containers.env` in `google_cloud_run_v2_service` resource

[modular-magician]

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

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 2 files changed, 2 insertions(+))
google-beta provider: Diff ( 2 files changed, 2 insertions(+))

Breaking Change(s) Detected

The following breaking change(s) were detected within your pull request.

• Field template.containers.env.value default value changed from to on google_cloud_run_v2_service - reference
• Field template.spec.containers.env.value default value changed from to on google_cloud_run_service - reference

If you believe this detection to be incorrect please raise the concern with your reviewer.
If you intend to make this change you will need to wait for a major release window.
An override-breaking-change label can be added to allow merging.

[modular-magician]

Tests analytics

Total tests: 83
Passed tests: 72
Skipped tests: 11
Affected tests: 0

Click here to see the affected service packages

• cloudrun
• cloudrunv2

🟢 All tests passed!

View the build log

[zli82016]

I tested the change locally that no diffs are shown for the unchanged env, but I don't find a way to test the fix in acceptance tests.

[modular-magician]

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

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 2 files changed, 2 insertions(+))
google-beta provider: Diff ( 2 files changed, 2 insertions(+))

Breaking Change(s) Detected

The following breaking change(s) were detected within your pull request.

• Field template.containers.env.value default value changed from to on google_cloud_run_v2_service - reference
• Field template.spec.containers.env.value default value changed from to on google_cloud_run_service - reference

If you believe this detection to be incorrect please raise the concern with your reviewer.
If you intend to make this change you will need to wait for a major release window.
An override-breaking-change label can be added to allow merging.

[modular-magician]

Tests analytics

Total tests: 83
Passed tests: 72
Skipped tests: 11
Affected tests: 0

Click here to see the affected service packages

• cloudrun
• cloudrunv2

🟢 All tests passed!

View the build log