Fill in us-west-1 H100 capacity reservation IDs

[huydhn]

Stack from ghstack (oldest at bottom):

• Plan both prod clusters on PRs sequentially #585
• Allow osdc-deploy-prod to target either prod cluster #584
• Support cluster-level capacity_reservation_ids override in nodepools #583
• -> Fill in us-west-1 H100 capacity reservation IDs #582
• Support cluster-level runner_group override in arc-runners generator #581
• Add arc-cbr-production-uw1 entry to clusters.yaml #580
• Add design doc for arc-cbr-production-uw1 (us-west-1 HA cluster) #579

Replaces the empty placeholder with the actual reservations:

cr-04d3d1d84e127a562 — 2 × p5.48xlarge (16 H100 GPUs)
cr-09a53051589034fb8 — 4 × p5.48xlarge (32 H100 GPUs)

Total: 6 reserved nodes, 48 H100 GPUs in us-west-1.

Still pending before deploy: the nodepools generator change that
reads this override from clusters.yaml. Until that lands, the def
file's hardcoded us-east-2 reservation IDs would take effect, which
is wrong for us-west-1.

[github-actions]

tofu plan — arc-cbr-production

❌ Plan failed · commit 17750a2d · run log

Plan output

Installed 1 package in 2ms
{
    "BucketArn": "arn:aws:s3:::ciforge-tfstate-arc-cbr-prod",
    "BucketRegion": "us-west-2",
    "AccessPointAlias": false
}
━━━ PLAN: Base (arc-cbr-production) ━━━
There are some problems with the CLI configuration:
╷
│ Error: The specified plugin cache dir /home/runner/work/ci-infra/ci-infra/osdc/.terraform.d/plugin-cache cannot be opened: stat /home/runner/work/ci-infra/ci-infra/osdc/.terraform.d/plugin-cache: no such file or directory
│
╵

As a result of the above problems, OpenTofu may not behave as intended.



Error: Error acquiring the state lock

Error message: operation error DynamoDB: PutItem, https response error
StatusCode: 400, RequestID:
1HNK2G9FRMK7GOTG7KOOAN0RSNVV4KQNSO5AEMVJF66Q9ASUAAJG,
ConditionalCheckFailedException: The conditional request failed
Lock Info:
  ID:        9afa6aa7-2b21-0927-795a-dc94ac249b14
  Path:      ciforge-tfstate-arc-cbr-prod/arc-cbr-production/base/terraform.tfstate
  Operation: OperationTypePlan
  Who:       runner@runnervmrw5os
  Version:   1.7.10
  Created:   2026-05-16 02:44:09.95301431 +0000 UTC
  Info:      


OpenTofu acquires a state lock to protect the state from being written
by multiple users at the same time. Please resolve the issue above and try
again. For most commands, you can disable locking with the "-lock=false"
flag, but this is not recommended.
error: recipe `plan` failed with exit code 1