Allow instance placement policies to be attached to a VM
wkharold opened this issue · 1 comments
wkharold commented
TL;DR
An instance placement policies allows GCP users to control where VM instances are physically located relative to each other within a zone. Two placement policies are available, spread, and compact. The latter, compact, is particularly important for HPC workloads where minimizing inter-VM communication latencies is critical.
This feature will allow users to specify a placement policy to be attached to a VM instance
Terraform Resources
Resource policies are specified by the Terraform Resource: https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/compute_resource_policy
The [google_compute_instance](https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/compute_instance) resource supports specification of `resource_policies` (a max of 1 resource policy is currently supported). It's attributes are supported by the [google_compute_instance_from_template](https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/compute_instance_from_template) resource.Detailed design
Add a new `resource_policies` variable. It should be a list of strings. Those strings represent either resource policy short names or self_links of resource policies to attach the the instance. Since only one resource policy per instance is currently supported by the provider, the length of the list will be checked and an error raised if it is > 1.Additional information
No response
github-actions commented
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