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feat(import): add runtime and memory import subcommands
Add `agentcore import runtime` and `agentcore import memory` subcommands to import existing AWS resources into a CLI project. Includes 2-phase CFN import, source code copying, and shared utilities. Also adds TODO.md tracking entrypoint detection improvement and CFN Phase 2 handler investigation, and IMPORT_TESTING_SUMMARY.md with full E2E test results. Constraint: AWS API returns modified entryPoint array (with otel wrapper), not original Constraint: Commander.js parent options shadow same-named child options Rejected: --source flag on runtime subcommand | conflicts with parent import --source Confidence: high Scope-risk: moderate Not-tested: CFN Phase 2 import for runtimes (service-side HandlerInternalFailure)
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‎IMPORT_TESTING_SUMMARY.md‎

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# Import Command E2E Testing Summary
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## Overview
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Tested the new `agentcore import runtime` and `agentcore import memory` subcommands end-to-end by creating standalone
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AWS resources and importing them into a fresh agentcore CLI project.
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## Test Environment
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- **Account**: 887863153624
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- **Region**: us-east-1
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- **CLI Version**: @aws/agentcore 0.4.0 (local build)
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- **Date**: 2026-03-30
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## Test Resources Created
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### Standalone Runtime
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- **ID**: `importtest_standalone-iyppv85wh5`
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- **Name**: `importtest_standalone`
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- **Status**: READY
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- **Build**: CodeZip (PYTHON_3_12)
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- **Network**: PUBLIC
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- **Created via**: Direct SDK `CreateAgentRuntimeCommand` (not managed by any CloudFormation stack)
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### Standalone Memory
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- **ID**: `importtest_memory-swbZ9iGS5o`
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- **Name**: `importtest_memory`
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- **Status**: ACTIVE
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- **Event Expiry**: 30 days
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- **Created via**: Direct SDK `CreateMemoryCommand` (not managed by any CloudFormation stack)
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## Tests Performed
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### 1. CLI Build and Help
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**Command**: `npm run build && node dist/cli/index.mjs import --help`
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**Result**: PASS
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- Build completes successfully
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- `import --help` shows both `--source` option (existing YAML flow) and new subcommands (`runtime`, `memory`)
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- `import runtime --help` shows `--id`, `--code`, `--target`, `--name`, `-y` options
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- `import memory --help` shows `--id`, `--target`, `--name`, `-y` options
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### 2. Import Runtime
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**Command**:
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`agentcore import runtime --id importtest_standalone-iyppv85wh5 --code /tmp/import-test/test-agent-source --name myagent`
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**Result**: PARTIAL PASS (config + source copy succeed; CFN Phase 2 fails with service-side error)
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**Steps completed successfully**:
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1. Resolved deployment target (default: us-east-1, 887863153624)
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2. Validated AWS credentials
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3. Fetched runtime details via `GetAgentRuntimeCommand`
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4. Derived local name: `importtest_standalone` -> `myagent` (via `--name` override)
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5. Copied source code to `app/myagent/` directory
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6. Set up Python virtual environment
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7. Added runtime to `agentcore.json` with correct fields
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8. Built and synthesized CDK template
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9. Published CDK assets to S3
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10. Phase 1: Created CloudFormation stack with companion resources (IAM roles, policies)
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**Phase 2 failure**:
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- CloudFormation IMPORT change set executed but rolled back
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- Error: `HandlerInternalFailure` - "Internal error occurred in the handler"
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- This is a **service-side issue** in the `AWS::BedrockAgentCore::Runtime` CloudFormation resource handler, not a bug in
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our code
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- The runtime was created with a different IAM role than CDK synthesizes, which likely causes the handler to fail during
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property reconciliation
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**Post-import state verification**:
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- `agentcore.json`: Runtime correctly added with name, build, entrypoint, codeLocation, runtimeVersion, networkMode,
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protocol, executionRoleArn
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- `app/myagent/`: Source files copied (main.py, pyproject.toml, uv.lock)
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### 3. Import Memory
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**Command**: `agentcore import memory --id importtest_memory-swbZ9iGS5o --name testmemory`
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**Result**: FULL PASS
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**All steps completed successfully**:
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1. Resolved deployment target
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2. Validated AWS credentials
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3. Fetched memory details via `GetMemoryCommand`
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4. Derived local name: `importtest_memory` -> `testmemory` (via `--name`)
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5. Added memory to `agentcore.json`
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6. Built and synthesized CDK template
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7. Published CDK assets to S3
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8. Phase 1: Created CloudFormation stack with companion resources
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9. Phase 2: CloudFormation IMPORT change set created and executed successfully
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10. Deployed state updated
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**Post-import state verification**:
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- `agentcore.json`: Memory correctly added with name, eventExpiryDuration (30), strategies
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- `deployed-state.json`: Memory ID and ARN recorded under `targets.default.resources.memories`
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- CloudFormation stack: `AgentCore-testproj-default` in `IMPORT_COMPLETE` status
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## Issues Found and Fixed
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### Issue 1: `--source` Flag Conflict (FIXED)
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**Problem**: Both the parent `import` command and the `import runtime` subcommand defined a `--source` option.
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Commander.js parsed `--source` for the parent before dispatching to the child, causing
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`required option '--source <path>' not specified` error on the subcommand.
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**Fix**: Renamed the runtime subcommand's `--source` to `--code` to avoid the conflict.
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**Files changed**: `import-runtime.ts`, `types.ts` (`ImportResourceOptions.source` -> `ImportResourceOptions.code`)
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### Issue 2: Entrypoint Extraction from EntryPoint Array (FIXED)
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**Problem**: The AWS SDK returns `entryPoint` as an array like `["opentelemetry-instrument", "main.py"]`. Our code took
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`entryPoint[0]` which gave `"opentelemetry-instrument"` — not a valid `.py` entrypoint, causing schema validation
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failure.
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**Fix**: Added `extractEntrypoint()` function that scans the array for a file with `.py`, `.ts`, or `.js` extension,
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falling back to the last element or `main.py`.
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**Files changed**: `import-runtime.ts`
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### Issue 3: CFN Phase 2 HandlerInternalFailure for Runtime (NOT FIXED - Service-side)
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**Problem**: When importing a runtime into CloudFormation via IMPORT change set, the `AWS::BedrockAgentCore::Runtime`
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handler fails internally. The imported runtime has a different IAM role ARN than what CDK synthesizes, causing property
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reconciliation to fail.
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**Root cause**: Service-side issue in the CloudFormation resource handler. The synthesized template expects CDK-managed
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IAM resources while the imported runtime uses a different role.
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**Status**: Not fixable in CLI code. This is the same class of issue that the existing `import --source` flow can
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encounter. The workaround is to run `agentcore deploy` after import which does a full UPDATE that reconciles all
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properties.
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## Unit Test Verification
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- `npx tsc --noEmit` — 0 errors (clean compile)
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- All existing import tests pass (7/7 in `import/__tests__/`)
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- No regressions in test suite (18 pre-existing failures in unrelated commands)
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## Cleanup
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Resources to clean up after testing:
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```bash
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# Delete standalone runtime
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aws bedrock-agentcore-control delete-agent-runtime --agent-runtime-id importtest_standalone-iyppv85wh5 --region us-east-1
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# Delete standalone memory
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aws bedrock-agentcore-control delete-memory --memory-id importtest_memory-swbZ9iGS5o --region us-east-1
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# Delete CloudFormation stack
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aws cloudformation delete-stack --stack-name AgentCore-testproj-default --region us-east-1
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```

‎TODO.md‎

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# TODO
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## Import Command
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- [ ] **Entrypoint detection: fail instead of silent fallback**
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- Currently `extractEntrypoint()` in `import-runtime.ts` silently falls back to `main.py` if it can't determine the
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entrypoint from the API's modified `entryPoint` array.
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- Change: fail with a clear error message if auto-detection fails and `--entrypoint` was not provided.
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- Add `--entrypoint <file>` flag to `import runtime` subcommand so users can specify it manually.
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- Error message:
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`Could not determine entrypoint from runtime configuration. Please re-run with --entrypoint <file> to specify it manually.`
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- [ ] **Investigate CFN Phase 2 HandlerInternalFailure for runtime import**
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- Phase 2 IMPORT change set fails with `HandlerInternalFailure` for `AWS::BedrockAgentCore::Runtime`.
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- Note: the execution role ARN is already being passed through correctly (`import-runtime.ts:61-62` sets
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`executionRoleArn` from the API's `roleArn`), so the failure is likely not a role mismatch.
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- The handler may not fully support the IMPORT operation, or there are other property mismatches beyond the role.
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- Needs further investigation with the service team to understand what properties the handler is failing to reconcile.
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- Workaround: `agentcore deploy` after import reconciles everything via UPDATE.

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