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feat(relay): correct regional placement only when the source is idle (#20105)

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* feat(relay): correct regional placement only at an idle source

* test(relay): lock source activity capacity semantics
This commit is contained in:
Jinwoo Hong
2026-09-11 14:25:10 -04:00
committed by GitHub
parent 9a56797486
commit cd9aa43a2c
52 changed files with 4961 additions and 2168 deletions
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.github/workflows/cloud-deploy-relay-production-director.yml
+12 -2
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@@ -13,6 +13,11 @@ on:
default: preserve
type: choice
options: [preserve, enable, disable]
region-correction-cohort-percent:
description: 'Preserve the measured-correction cohort, or set an integer 0–100; durable rehome stays disabled'
required: true
default: preserve
type: string
prune-incompatible-revisions:
description: Retain only the newly verified serving and rollback revisions
required: true
@@ -62,6 +67,7 @@ jobs:
REGIONAL_PLACEMENT_SECRET: orca-cloud-relay-regional-placement-enabled
IMAGE_DIGEST: ${{ inputs.image-digest }}
REGIONAL_PLACEMENT_MODE: ${{ inputs.regional-placement-mode }}
REGION_CORRECTION_COHORT_PERCENT: ${{ inputs.region-correction-cohort-percent }}
PRUNE_INCOMPATIBLE_REVISIONS: ${{ inputs.prune-incompatible-revisions }}
# Floor the served revision must keep, matching relay_min_instances in
# environments/production.tfvars. This gate only fails a bad deploy; Terraform
@@ -106,8 +112,11 @@ jobs:
echo "image-digest must be an immutable lowercase sha256 digest" >&2
exit 1
fi
if test "${REGION_CORRECTION_COHORT_PERCENT}" != preserve; then
[[ "${REGION_CORRECTION_COHORT_PERCENT}" =~ ^([0-9]|[1-9][0-9]|100)$ ]]
fi
IMAGE="${IMAGE_REPOSITORY}@${IMAGE_DIGEST}"
SERVED_DIGEST="$(gcloud artifacts docker images describe "${IMAGE}" --format='value(image_summary.digest)')"
SERVED_DIGEST="$(gcloud artifacts docker images describe "${IMAGE}" --project "${GCP_PROJECT_ID}" --format='value(image_summary.digest)')"
test "${SERVED_DIGEST}" = "${IMAGE_DIGEST}"
[[ "${PRUNE_INCOMPATIBLE_REVISIONS}" =~ ^(true|false)$ ]]
[[ "${EXPECTED_REHOME_GENERATION}" =~ ^(0|[1-9][0-9]*)$ ]]
@@ -218,7 +227,8 @@ jobs:
--max-instances "${DIRECTOR_MAX_INSTANCES}" \
--prune-revisions "${PRUNE_INCOMPATIBLE_REVISIONS}" \
--release-id "${RELEASE_ID}" \
--regional-placement-secret-version "${target_version}"
--regional-placement-secret-version "${target_version}" \
--region-correction-cohort-percent "${REGION_CORRECTION_COHORT_PERCENT}"
echo "REGIONAL_PLACEMENT_ENABLED=${desired}" >> "${GITHUB_ENV}"
echo "REGIONAL_PLACEMENT_VERSION=${target_version}" >> "${GITHUB_ENV}"