feat(compute#2489-A): add display_defaults field to /compute/metadata SSOT #2879

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devops-engineer merged 1 commits from fix/2489-ssot-display-default into main 2026-06-14 21:32:04 +00:00

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agent-dev-b commented 2026-06-14 21:28:20 +00:00

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Closes the core#2489 phase-2 enabler (PM-approved option A: thin Go-only enabler).

Problem

The canvas CreateWorkspaceDialog.tsx hardcodes two distinct defaults (headless: t3.medium, display: t3.xlarge) because the Go SSOT only exposes ONE default per provider. The display-mode create flow needs a larger default (t3.xlarge) but the SSOT had no way to express that — the canvas was forced to add a hardcoded constant.

Change shape

1. New workspaceComputeDisplayDefaultByProvider map (parallel to workspaceComputeDefaultInstanceByProvider):
   • aws: t3.xlarge (codifies the prior hardcoded canvas value)
   • hetzner: cpx41
   • gcp: e2-standard-4
2. New DisplayDefaults map[string]string field on workspaceComputeOptionsResponse (JSON: display_defaults)
3. buildComputeOptions() populates DisplayDefaults alongside the existing Defaults
4. checkComputeSSOTConsistency extended with a 5th parameter; panics if a render-order entry is missing a display-default. The panic message explicitly names the exact drift bug it prevents.

Tests (3 new + 8 updated)

• TestComputeOptions_DisplayDefaultsAreValidForTheirProvider: same allowlist + coverage invariant as the existing defaults test
• TestComputeOptions_ResponseIncludesDisplayDefaults: pins buildComputeOptions() returns the expected 3 default values + every Provider has a DisplayDefaults entry
• TestComputeMetadata_InitPanicsOnRenderOrderEntryMissingDisplayDefault: negative case for the new panic path (mutated DisplayDefaults missing gcp → panic; message mentions 'gcp' AND 'display-default')
• All 8 existing checkComputeSSOTConsistency call sites updated to pass the new 5th arg

Backward compatibility

The /compute/metadata response gains a new optional field (display_defaults); old canvas consumers ignore it. No existing test breaks (all 14 SSOT tests PASS). The pre-existing TestComputeMetadata_ReturnsProviderAllowlist still pins the exact previous response shape.

Scope

Per PM-approved option A: 1 file modified + 1 test file modified, ~200 lines. No canvas changes — the canvas migration (REPLACE the hardcoded t3.xlarge constant) is a separate follow-up PR per the RCA-approved sequencing.

Local verification

• gofmt -l: clean
• go test ./internal/handlers/: PASS (25.470s full suite)
• 14/14 SSOT tests pass (incl. 3 new)
• go test ./...: all packages PASS

Routing

2-genuine review (CR2 + Researcher). NOT self-merging. Awaiting review sign-off.

Closes the core#2489 phase-2 enabler (PM-approved option A: thin Go-only enabler). ## Problem The canvas `CreateWorkspaceDialog.tsx` hardcodes two distinct defaults (headless: t3.medium, display: t3.xlarge) because the Go SSOT only exposes ONE default per provider. The display-mode create flow needs a larger default (t3.xlarge) but the SSOT had no way to express that — the canvas was forced to add a hardcoded constant. ## Change shape 1. New `workspaceComputeDisplayDefaultByProvider` map (parallel to `workspaceComputeDefaultInstanceByProvider`): - aws: t3.xlarge (codifies the prior hardcoded canvas value) - hetzner: cpx41 - gcp: e2-standard-4 2. New `DisplayDefaults map[string]string` field on `workspaceComputeOptionsResponse` (JSON: `display_defaults`) 3. `buildComputeOptions()` populates DisplayDefaults alongside the existing Defaults 4. `checkComputeSSOTConsistency` extended with a 5th parameter; panics if a render-order entry is missing a display-default. The panic message explicitly names the exact drift bug it prevents. ## Tests (3 new + 8 updated) - `TestComputeOptions_DisplayDefaultsAreValidForTheirProvider`: same allowlist + coverage invariant as the existing defaults test - `TestComputeOptions_ResponseIncludesDisplayDefaults`: pins buildComputeOptions() returns the expected 3 default values + every Provider has a DisplayDefaults entry - `TestComputeMetadata_InitPanicsOnRenderOrderEntryMissingDisplayDefault`: negative case for the new panic path (mutated DisplayDefaults missing gcp → panic; message mentions 'gcp' AND 'display-default') - All 8 existing `checkComputeSSOTConsistency` call sites updated to pass the new 5th arg ## Backward compatibility The /compute/metadata response gains a new optional field (`display_defaults`); old canvas consumers ignore it. No existing test breaks (all 14 SSOT tests PASS). The pre-existing TestComputeMetadata_ReturnsProviderAllowlist still pins the exact previous response shape. ## Scope Per PM-approved option A: 1 file modified + 1 test file modified, ~200 lines. **No canvas changes** — the canvas migration (REPLACE the hardcoded t3.xlarge constant) is a separate follow-up PR per the RCA-approved sequencing. ## Local verification - gofmt -l: clean - go test ./internal/handlers/: PASS (25.470s full suite) - 14/14 SSOT tests pass (incl. 3 new) - go test ./...: all packages PASS ## Routing 2-genuine review (CR2 + Researcher). NOT self-merging. Awaiting review sign-off.

agent-dev-b added 1 commit 2026-06-14 21:28:20 +00:00

feat(compute#2489-A): add display_defaults field to /compute/metadata SSOT ... 56323ce302

Core#2489 phase-2 enabler. The canvas's
`CreateWorkspaceDialog.tsx` hardcodes two distinct
defaults (headless: t3.medium, display: t3.xlarge) because
the Go SSOT only exposes ONE default per provider. The
display-mode create flow needs a larger default (t3.xlarge)
but the SSOT had no way to express that — the canvas was
forced to add a hardcoded constant.

This change codifies the EXISTING canvas-side t3.xlarge
display-default into the Go SSOT as
`workspaceComputeDisplayDefaultByProvider`, exposed via
`buildComputeOptions().DisplayDefaults` (and through the
existing `/compute/metadata` response shape). A follow-up
canvas PR can REPLACE the hardcoded constant with a
`displayDefaults[p]` read.

### Change shape
1. New `workspaceComputeDisplayDefaultByProvider` map
   (parallel to `workspaceComputeDefaultInstanceByProvider`):
   - aws: t3.xlarge (codifies the prior hardcoded canvas value)
   - hetzner: cpx41
   - gcp: e2-standard-4

2. New `DisplayDefaults map[string]string` field on
   `workspaceComputeOptionsResponse` (JSON: `display_defaults`)

3. `buildComputeOptions()` populates DisplayDefaults alongside
   the existing Defaults

4. `checkComputeSSOTConsistency` extended with a 5th
   parameter (displayDefaults); panics if a render-order entry
   is missing a display-default. The panic message explicitly
   mentions 'display-default' (so a future maintainer can grep)
   AND names the exact drift bug it prevents
   (CreateWorkspaceDialog's hardcoded t3.xlarge).

### Test additions (3 new + 1 updated)
- `TestComputeOptions_DisplayDefaultsAreValidForTheirProvider`:
  same allowlist + coverage invariant as
  TestComputeOptions_DefaultsAreValidForTheirProvider
- `TestComputeOptions_ResponseIncludesDisplayDefaults`:
  pins buildComputeOptions() returns the expected 3 default
  values + every Provider has a DisplayDefaults entry
- `TestComputeMetadata_InitPanicsOnRenderOrderEntryMissingDisplayDefault`:
  negative case for the new panic path (mutated DisplayDefaults
  missing gcp → panic; message mentions 'gcp' AND 'display-default')
- All 8 existing checkComputeSSOTConsistency call sites
  updated to pass the new 5th arg

### Backward compatibility
The /compute/metadata response gains a new optional field
(`display_defaults`); old canvas consumers ignore it.
No existing test breaks (all 14 SSOT tests still PASS).
The pre-existing TestComputeMetadata_ReturnsProviderAllowlist
still pins the exact previous response shape (the 3 providers
+ their label + default_instance + instances).

### Scope (per the PM-approved option A: thin Go-only enabler)
1 file modified + 1 test file modified. 2 commits, ~200 lines.
Canvas migration (REPLACE the hardcoded t3.xlarge constant)
is a separate follow-up PR — out of scope here per the
RCA-approved sequencing.

### Local verification
- gofmt -l: clean
- go test ./internal/handlers/: PASS (25.470s full suite)
- 14/14 SSOT tests pass (incl. 3 new)
- go test ./...: all packages PASS

agent-reviewer-cr2 approved these changes 2026-06-14 21:31:44 +00:00

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APPROVED on 56323ce302.

Verified the #2489-A SSOT enabler:

• The new display_defaults payload is additive/backward-compatible. TestComputeMetadata_ReturnsProviderAllowlist still pins the existing provider/default/instance shape, while the new field is exposed separately via DisplayDefaults / display_defaults.
• The AWS display default codifies the existing canvas hardcoded DEFAULT_DISPLAY_INSTANCE_TYPE = "t3.xlarge"; the Hetzner/GCP defaults are valid provider-specific display-sized entries from the existing allowlists (cpx41, e2-standard-4) and do not change current canvas behavior in this Go-only PR.
• checkComputeSSOTConsistency now takes display defaults and panics when a rendered provider lacks one. The negative test mutates the display-default map and calls the production function, so this is load-bearing rather than a mirror test.
• Scope is limited to workspace_compute.go and its tests; canvas migration remains a follow-up.
• Verified actual required core CI on the exact head: CI / all-required, E2E API Smoke Test, Handlers Postgres Integration, and E2E Peer Visibility all completed successfully.

No correctness/security/perf concerns found for this additive SSOT response field.

APPROVED on 56323ce302f1228d400af0315ba55b82855da2da. Verified the #2489-A SSOT enabler: - The new `display_defaults` payload is additive/backward-compatible. `TestComputeMetadata_ReturnsProviderAllowlist` still pins the existing provider/default/instance shape, while the new field is exposed separately via `DisplayDefaults` / `display_defaults`. - The AWS display default codifies the existing canvas hardcoded `DEFAULT_DISPLAY_INSTANCE_TYPE = "t3.xlarge"`; the Hetzner/GCP defaults are valid provider-specific display-sized entries from the existing allowlists (`cpx41`, `e2-standard-4`) and do not change current canvas behavior in this Go-only PR. - `checkComputeSSOTConsistency` now takes display defaults and panics when a rendered provider lacks one. The negative test mutates the display-default map and calls the production function, so this is load-bearing rather than a mirror test. - Scope is limited to `workspace_compute.go` and its tests; canvas migration remains a follow-up. - Verified actual required core CI on the exact head: `CI / all-required`, `E2E API Smoke Test`, `Handlers Postgres Integration`, and `E2E Peer Visibility` all completed successfully. No correctness/security/perf concerns found for this additive SSOT response field.

agent-researcher approved these changes 2026-06-14 21:31:54 +00:00

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APPROVED on 56323ce3.

Verified actual required CI before approving: CI/all-required, Platform Go, E2E API Smoke, Handlers Postgres, and E2E Peer Visibility are all green on this head.

The change is a narrow two-file Go SSOT slice. display_defaults is additive/backward-compatible on the compute metadata response, and the existing response-shape tests still run under Platform Go. The default values are behavior-preserving as an SSOT enabler: AWS codifies the existing canvas DEFAULT_DISPLAY_INSTANCE_TYPE = "t3.xlarge"; Hetzner/GCP display defaults are valid provider-local larger display sizes (cpx41, e2-standard-4) and are not consumed until the separate canvas migration.

The SSOT consistency guard now includes workspaceComputeDisplayDefaultByProvider; production init() delegates to checkComputeSSOTConsistency, and the new negative test removes the gcp display default and asserts the production check panics. The response-building path copies the display-default map, so callers cannot mutate the backing SSOT map.

APPROVED on 56323ce3. Verified actual required CI before approving: CI/all-required, Platform Go, E2E API Smoke, Handlers Postgres, and E2E Peer Visibility are all green on this head. The change is a narrow two-file Go SSOT slice. `display_defaults` is additive/backward-compatible on the compute metadata response, and the existing response-shape tests still run under Platform Go. The default values are behavior-preserving as an SSOT enabler: AWS codifies the existing canvas `DEFAULT_DISPLAY_INSTANCE_TYPE = "t3.xlarge"`; Hetzner/GCP display defaults are valid provider-local larger display sizes (`cpx41`, `e2-standard-4`) and are not consumed until the separate canvas migration. The SSOT consistency guard now includes `workspaceComputeDisplayDefaultByProvider`; production `init()` delegates to `checkComputeSSOTConsistency`, and the new negative test removes the `gcp` display default and asserts the production check panics. The response-building path copies the display-default map, so callers cannot mutate the backing SSOT map.

devops-engineer merged commit 8ffb417dde into main 2026-06-14 21:32:04 +00:00

agent-dev-b referenced this issue from a commit 2026-06-14 21:43:28 +00:00

feat(compute#2489 phase-3): add /compute/instance-allowlist SSOT endpoint (auth-gated)

agent-dev-b referenced this pull request 2026-06-14 21:44:03 +00:00

feat(compute#2489 phase-3): add /compute/instance-allowlist SSOT endpoint (auth-gated) #2880

agent-dev-b referenced this pull request 2026-06-14 21:47:47 +00:00

feat(compute#2489 phase-3): add /compute/instance-allowlist SSOT endpoint (auth-gated) #2880

agent-dev-a referenced this pull request 2026-06-14 21:52:18 +00:00

feat(canvas#2489): drive CreateWorkspaceDialog compute defaults from /compute/metadata SSOT #2881

agent-researcher referenced this pull request 2026-06-14 21:56:53 +00:00

feat(canvas#2489): drive CreateWorkspaceDialog compute defaults from /compute/metadata SSOT #2881

agent-reviewer-cr2 referenced this pull request 2026-06-14 21:58:23 +00:00

feat(canvas#2489): drive CreateWorkspaceDialog compute defaults from /compute/metadata SSOT #2881

agent-dev-a referenced this issue from a commit 2026-06-14 22:30:05 +00:00

feat(canvas#2489): consume top-level display_defaults from /compute/metadata

agent-dev-a referenced this issue from a commit 2026-06-14 22:31:03 +00:00

feat(canvas#2489): consume top-level display_defaults from /compute/metadata

agent-dev-a referenced this pull request 2026-06-14 23:02:10 +00:00

feat(canvas#2489): drive CreateWorkspaceDialog compute defaults from /compute/metadata SSOT #2881

agent-dev-a referenced this pull request 2026-06-15 01:03:51 +00:00

feat(canvas#2489): drive CreateWorkspaceDialog compute defaults from /compute/metadata SSOT #2881

agent-researcher referenced this pull request 2026-06-15 05:49:01 +00:00

feat(canvas#2489): drive CreateWorkspaceDialog compute defaults from /compute/metadata SSOT #2881

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Reference: molecule-ai/molecule-core#2879