Retry GCE's (new?) 403 ReadRequests errors

[rileykarson]

This is causing around 100 failing tests/night. This will squeeze our test times out even further, unfortunately, but that's better than 10% of our tests failing between this and the folder fanout stuff that should be resolved soon. Submitted b/219804040 to get more quota to mitigate that.

Also see b/176370895 where another Google team ran into the issue.

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• Searched through the issue tracker for an open issue that this either resolves or contributes to, commented on it to claim it, and written "fixes {url}" or "part of {url}" in this PR description. If there were no relevant open issues, I opened one and commented that I would like to work on it (not necessary for very small changes).
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Release Note Template for Downstream PRs (will be copied)

provider: added retries for `ReadRequest` errors incorrectly coded as `403` errors, particularly in Google Compute Engine

[slevenick]

Adding quotas for reads feels like it will have a negative impact for Terraform in general. Do we have the ability to push back on the service team that implemented this?

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 1 file changed, 24 insertions(+))
Terraform Beta: Diff ( 1 file changed, 24 insertions(+))
TF Validator: Diff ( 3 files changed, 27 insertions(+), 3 deletions(-))

[modular-magician]

I have triggered VCR tests in RECORDING mode for the following tests that failed during VCR: TestAccDatasourceGoogleServiceNetworkingPeeredDnsDomain_basic|TestAccApigeeEnvironmentIamBindingGenerated|TestAccApigeeEnvironmentIamMemberGenerated|TestAccApigeeEnvironmentIamPolicyGenerated|TestAccCloudbuildWorkerPool_basic|TestAccContainerCluster_withAuthenticatorGroupsConfig|TestAccServiceNetworkingPeeredDNSDomain_basic|TestAccTags You can view the result here: https://ci-oss.hashicorp.engineering/viewQueued.html?itemId=258553

[rileykarson]

Hm- may not have been an API change, see thread in chat. Not sure of the quota pressure source, if that's the case.