feat(policy): add memory:UpdateAgent action - #258
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The AIStor Cortex agent API splits into a create-only PutAgent and a separate UpdateAgent, so modifying an existing agent needs an action of its own. An update re-derives the agent's IAM policy from its mounts, so it must be grantable to a principal that may not create agents — and memory:PutAgent also authorizes writing a memory beneath an agent, which must not carry the power to rewrite the record it sits under. Also tightens the point-action condition-key test to assert memory:max-keys is rejected as well as memory:prefix. The list-action loop above it already checked both; the point-action loop checked one, so a regression granting max-keys to a read or a write would have passed.
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Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review. 📝 WalkthroughWalkthroughThe policy package adds the ChangesMemory agent update action
Priority: ⬇️ Low Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to This adds a separately authorized agent-update action while preserving point-action condition restrictions. Current coverage supports merge readiness with no identified production risk. Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
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Inline comments:
In `@policy/memory-action.go`:
- Around line 53-61: Rewrite the GoDoc comments for MemoryPutAgentAction and
MemoryUpdateAgentAction as concise complete sentences beginning with their
respective identifiers; retain only the necessary rationale, especially that
updates re-derive IAM policy and must be grantable independently from creation.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: Organization UI
Review profile: ASSERTIVE
Plan: Pro Plus
Run ID: e54833e2-24aa-4110-97b9-51820158b1fc
📒 Files selected for processing (3)
policy/memory-action.gopolicy/memory-action_test.gopolicy/memory-resource_test.go
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PTAL @dilverse |
…nt-action # Conflicts: # policy/memory-resource_test.go
Problem
The AIStor Cortex agent API splits into a create-only
PutAgentand a separateUpdateAgent, and there is no action for the second one.memory:PutAgentcannotserve both: it also authorizes writing a memory beneath an agent, so a principal
allowed to write memories would gain the power to rewrite the record those memories
sit under. An update additionally re-derives the agent's IAM policy from its mounts,
which has to be grantable to a principal that may not create agents at all.
Fix
MemoryUpdateAgentAction(memory:UpdateAgent) and register it inSupportedMemoryActions, so it validates andmemory:*covers it.MemoryPutAgentAction's doc comment: it creates a record or writes amemory beneath one, and being create-only is what makes it safe to grant
alongside a memory write.
TestMemoryEnumerationConditionKeysto assert point actions rejectmemory:max-keysas well asmemory:prefix. The list-action loop alreadychecked both; the point-action loop checked only
prefix, so a regressiongranting
max-keysto a read or a write would have passed.Test plan
go test ./policy/...→ 345 pass across both policy packages.SupportedMemoryActionsentry and
TestMemoryActionIsValidfailed withcase 10: action memory:UpdateAgent: expected: true, got: false. Restored,green.
not the test: appended
MemoryMaxKeysto the common key set so every actionaccepted it, and
TestMemoryEnumerationConditionKeysfailed withmemory:GetAgent must not accept memory:max-keys(and the same forPutAgent,DeleteAgent,GetSecret,UpdateAgent). Restored, green.86495daafter both experiments.Summary by CodeRabbit
New Features
Bug Fixes