Refactor USCR beacon dispatcher and poller lambdas to be multi-tenanted - #1124
Refactor USCR beacon dispatcher and poller lambdas to be multi-tenanted#1124stephenhand with Copilot wants to merge 18 commits into
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…tcher; make multi-tenant Co-authored-by: stephenhand <1694716+stephenhand@users.noreply.github.com>
Co-authored-by: stephenhand <1694716+stephenhand@users.noreply.github.com>
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@copilot - see comments for requested changes
| const beaconHeaders = { [BEACON_API_KEY_HEADER]: beaconApiKey }; | ||
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| const lastIncidentReportUpdateSeenSsmKey = `/${environment}/hrm/custom-integration/${helplineShortCode}/${accountSid}/beacon/latest_incident_report_seen`; | ||
| const lastCaseReportUpdateSeenSsmKey = `/${environment}/hrm/custom-integration/${helplineShortCode}/${accountSid}/beacon/latest_case_report_seen`; |
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This SSM key does not include the helplineShortCode, we should change the naming to reflect beacon being used in multiple helplines
| const lastCaseReportUpdateSeenSsmKey = `/${environment}/hrm/custom-integration/${helplineShortCode}/${accountSid}/beacon/latest_case_report_seen`; | |
| const lastCaseReportUpdateSeenSsmKey = `/${environment}/hrm/custom-integration/beacon/${accountSid}/latest_case_report_seen`; |
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Fixed in the latest commit. SSM key updated to /${environment}/hrm/custom-integration/beacon/${accountSid}/latest_incident_report_seen.
| contactId?: string; | ||
| }; | ||
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| export const handler = async (event: BeaconDispatcherEvent) => { |
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The issue desciption was mistaken, this still needs to be an ALB event. The only difference from the original code is that the account SID should now be extracted from a last, additional section of the path rather than the environment
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Reverted to ALB handler pattern. The handler now uses handleAlbEvent with Twilio worker token validation, and extracts accountSid from the last path segment. The body contains { helplineShortCode, casePayload, contactId } for Beacon credential lookup and payload validation. Added @tech-matters/alb-handler and @tech-matters/twilio-worker-auth back to dependencies.
…Twilio auth in dispatcher Co-authored-by: stephenhand <1694716+stephenhand@users.noreply.github.com>
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Align the lambda docker container build workflows with the updated lambda module patha
Co-authored-by: stephenhand <1694716+stephenhand@users.noreply.github.com>
Updated |
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@copilot Fix the beacon poller service tests by mocking the required SSM parameters
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@copilot fix the linter issues causing the tests to fail |
…ution Co-authored-by: stephenhand <1694716+stephenhand@users.noreply.github.com>
Fixed in the latest commit. Two issues were addressed:
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Co-authored-by: stephenhand <1694716+stephenhand@users.noreply.github.com>
Fixed in the latest commit. Ran |
…n sweeping them all
…lambdas # Conflicts: # package-lock.json
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🟡 Changes recommended
The dispatcher and poller implementations materially diverge from the stated multi-tenant/EventBridge behavior and include confirmed functional issues (e.g., helpline code extraction).
Once you've addressed the issues Copilot identified, you can request another Copilot review.
Pull request overview
This PR renames the USCR-specific Beacon “dispatcher” and “poller” lambdas to generic beacon-* modules and begins refactoring them toward multi-tenant operation by resolving helpline-specific configuration from SSM and updating associated build/test/deploy wiring.
Changes:
- Renamed
uscr-*custom-integration lambdas tobeacon-dispatcherandbeacon-poller, updating TS project references and GitHub Actions matrices. - Updated
beacon-dispatcherto derive Beacon credentials from SSM per helpline (but still implemented as an ALB + Twilio-token-auth handler). - Updated
beacon-pollerto resolve helpline config from SSM and added/updated unit + service tests around the refactored processors and service behavior (but still runs per-helpline invocation rather than discovering all helplines).
File summaries
| File | Description |
|---|---|
| tsconfig.json | Updates TS project references to renamed beacon lambdas. |
| package.json | Adds ms and @types/ms override/dependency entries. |
| hrm-domain/lambdas/custom-integrations/uscr-dispatcher/index.ts | Removes legacy USCR dispatcher ALB implementation. |
| hrm-domain/lambdas/custom-integrations/uscr-dispatcher/authentication.ts | Removes legacy Twilio auth helper (migrated/refactored elsewhere). |
| hrm-domain/lambdas/custom-integrations/uscr-beacon-poller/src/index.ts | Removes legacy single-tenant poller entrypoint. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tsconfig.json | Adds TS config for renamed poller package. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tsconfig.build.json | Updates build references for the renamed poller package. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/unit/verifyAddSectionRequest.ts | Adds unit-test helper for verifying HRM section writes. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/unit/responder.test.ts | Adds unit tests for responder-to-case-section mapping. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/unit/incidentReport.test.ts | Updates unit tests to use the new incident report processor factory. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/unit/caseUpdater.test.ts | Updates tests for new accountSid-parameterized case updater APIs. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/unit/caseReport/caseReport.test.ts | Updates case-report tests to use the processor factory. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/unit/caseReport/apiPayload.test.ts | Adds tests for case report API payload restructuring. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/service/docker-compose.yml | Adds docker compose setup for poller service tests. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/service/docker-compose-ci.yml | Adds CI compose configuration for service tests. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/service/dbConnection.ts | Adds DB connection helper for service tests. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/service/beaconPoller.test.ts | Updates service tests for SSM-driven config + helpline short code input. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/service/.env.service-test | Updates comments to reflect renamed poller. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/mockGenerators.ts | Adds generators for incident/case report test payloads. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/tests/fixtures.ts | Adds large fixtures for payload restructuring tests. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/src/types.ts | Introduces shared types for poller item processors and case sections. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/src/responder.ts | Adds responder mapping logic used by incident processing. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/src/index.ts | New poller entrypoint: per-helpline SSM lookups + chunked polling. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/src/incidentReport.ts | Refactors incident processing into an accountSid-scoped factory. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/src/config.ts | Removes old module-level accountSid / headers config. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/src/caseUpdater.ts | Refactors HRM update helpers to accept accountSid as an argument. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/src/caseReport/index.ts | Refactors case report processing into an accountSid-scoped factory. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/src/caseReport/apiPayload.ts | Adds raw→processed case report payload restructuring. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/src/apiChunkReader.ts | Adds chunked Beacon API polling + last-seen tracking in SSM. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/setTestEnvVars.js | Adds Jest setup to seed env vars for unit/service tests. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/package.json | Renames package, updates scripts, and adds test dependencies. |
| hrm-domain/lambdas/custom-integrations/beacon-poller/jest.config.js | Adds Jest config for the renamed poller. |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/validation.ts | Removes accountSid and header validation from dispatcher payload validation. |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/tsconfig.json | Adds TS config for renamed dispatcher package. |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/tsconfig.build.json | Updates build references for renamed dispatcher package. |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/package.json | Renames dispatcher package and docker build script. |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/mapping.ts | Avoids mutating category arrays when selecting a category. |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/index.ts | New dispatcher handler with SSM-driven helpline config (still ALB/Twilio-token based). |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/hrm-service/index.ts | Renames/changes helper for detecting an existing pending incident attempt. |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/hrm-service/contactService.ts | Adds HRM contact API helpers (get + connectToCase). |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/hrm-service/caseService.ts | Adds HRM case/section API helpers used by dispatcher. |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/beacon-service/index.ts | Adds beacon-service barrel exports. |
| hrm-domain/lambdas/custom-integrations/beacon-dispatcher/beacon-service/incidentService.ts | Updates Beacon incident creation to read creds from helpline-scoped SSM keys. |
| .github/workflows/hrm-lambda-deploy.yml | Updates deployment matrix entries to renamed lambdas. |
| .github/workflows/hrm-lambda-deploy-all.yml | Updates “deploy all” matrix entries to renamed lambdas. |
| .github/workflows/hrm-ci.yml | Updates CI matrix entries to renamed lambdas. |
| .github/workflows/config/lambda-specific-region-map.json | Updates region map keys to renamed lambdas. |
Review details
Suppressed comments (3)
hrm-domain/lambdas/custom-integrations/beacon-dispatcher/index.ts:83
- If
helplineCodeis missing (or regex fails) and the legacy request body also omitsaccountSid,accountSidbecomes undefined and the subsequent SSM lookups will query.../twilio/undefined/...(and token validation will behave unpredictably). Add an explicit validation guard after resolvingaccountSid.
const accountSid = helplineCode
? await getSsmParameter(
`/${environment}/twilio/${helplineCode.toUpperCase()}/account_sid`,
)
: body.accountSid;
hrm-domain/lambdas/custom-integrations/beacon-poller/src/index.ts:49
- The PR description/issue state
beacon-pollershould scan SSM (loadSsmCache) and run for every configured helpline each invocation. This handler instead requires a singlehelplineShortCodeinput and does not perform any discovery/iteration across helplines.
export const handler = async ({
apiType,
helplineShortCode,
}: {
apiType: 'incidentReport' | 'caseReport';
hrm-domain/lambdas/custom-integrations/beacon-poller/src/index.ts:78
- The SSM tracking keys are written under
/${env}/hrm/custom-integration/beacon/${accountSid}/latest_*_seen, but the PR description/issue call for/${env}/hrm/custom-integration/{helpline}/{accountSid}/beacon/latest_*_seento avoid ambiguity and keep state namespaced per helpline.
const lastIncidentReportUpdateSeenSsmKey = `/${environment}/hrm/custom-integration/beacon/${accountSid}/latest_incident_report_seen`;
const lastCaseReportUpdateSeenSsmKey = `/${environment}/hrm/custom-integration/beacon/${accountSid}/latest_case_report_seen`;
- Files reviewed: 27/48 changed files
- Comments generated: 3
- Review effort level: Lite
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| const EXTRACT_HELPLINE_CODE_FROM_PATH = | ||
| /.*custom-integrations\/beacon\/dispatcher\/(?<helplineCode>[A-Za-z0-9]+)/g; |
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If the fixed part of the URL is known, can't we use length + substring rather than a regex?
| handleAlbEvent, | ||
| AlbHandlerEvent, | ||
| AlbHandlerResult, | ||
| } from '@tech-matters/alb-handler'; | ||
| import { twilioTokenValidator } from '@tech-matters/twilio-worker-auth'; |
| /** | ||
| * Copyright (C) 2021-2023 Technology Matters | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as published | ||
| * by the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see https://www.gnu.org/licenses/. | ||
| */ |
| export const existingPendingIncident = (timeline: TimelineApiResponse) => | ||
| Boolean(timeline.activities.length) && | ||
| timeline.activities.some( | ||
| (timeline.activities.find( | ||
| t => | ||
| (t.activity.sectionTypeSpecificData as IncidentReportAttempt)?.incidentId !== null, | ||
| ); | ||
| )?.activity.sectionTypeSpecificData as | ||
| | (IncidentReportAttempt & { incidentId: number }) | ||
| | undefined); |
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Is this type casting necessary here? 🤔
| const EXTRACT_HELPLINE_CODE_FROM_PATH = | ||
| /.*custom-integrations\/beacon\/dispatcher\/(?<helplineCode>[A-Za-z0-9]+)/g; |
There was a problem hiding this comment.
If the fixed part of the URL is known, can't we use length + substring rather than a regex?
| // Validate Twilio worker token | ||
| const authHeader = event.headers?.authorization || event.headers?.Authorization; | ||
| const token = authHeader?.replace(/^Bearer\s+/i, ''); | ||
| if (!token) { | ||
| return newErr({ | ||
| error: 'AuthenticationError', | ||
| message: 'Missing Authorization header', | ||
| }); | ||
| } |
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Maybe move this up so we avoid all the processing above if the request is not authorized in first place?
| 'sudSurvey', | ||
| caseReportToSudSurveyCaseSection, | ||
| ); | ||
| export const createCaseReportProcessor = ( |
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Is this generic? Asking cause I'm not sure if this is targeting a Beacon structure or the intended Aselo case shape (e.g. creating custom case sections that might differ across accounts).
| /** | ||
| * Copyright (C) 2021-2023 Technology Matters | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as published | ||
| * by the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see https://www.gnu.org/licenses/. | ||
| */ |
Renames and refactors two custom-integration lambdas from USCR-specific to multi-tenant, supporting arbitrary helplines via SSM-driven configuration discovery.
Description
Renamed modules:
uscr-beacon-poller→beacon-polleruscr-dispatcher→beacon-dispatcherbeacon-dispatcher
Converted from an ALB handler with Twilio token auth to an EventBridge handler secured by IAM.
{ helplineShortCode, casePayload, contactId }— no longer receivesaccountSidfrom the calleraccountSidfrom SSM at runtime:/{env}/twilio/{helplineShortCode}/account_sid/{env}/hrm/custom-integration/{helplineShortCode}/beacon_{api_key,base_url}alb-handler/twilio-worker-authdependenciesbeacon-poller
Converted from single-tenant (hardcoded
ACCOUNT_SIDenv var +uscrSSM prefix) to scanning all configured helplines at runtime.loadSsmCacheon/{env}/hrm/custom-integration/and discovers helplines that have bothbeacon_api_keyandbeacon_base_url; logs a warning and skips any with only oneaccountSidfrom SSM for each helpline; skips with a warning if not found/{env}/hrm/custom-integration/{helpline}/{accountSid}/beacon/latest_*_seenaddSectionToAseloCase,addDependentSectionToAseloCase,updateAseloCaseOverview/Statusnow acceptaccountSidas a parameter instead of reading a module-level constantaddIncidentReportSectionsToAseloCase/addCaseReportSectionsToAseloCasereplaced with factory functionscreateIncidentReportProcessor(accountSid)/createCaseReportProcessor(accountSid)Checklist
Other Related Issues
None
Verification steps
Deploy to staging and verify:
/{env}/hrm/custom-integration/{helpline}/beacon_api_keyandbeacon_base_url, plus/{env}/twilio/{helpline}/account_sidbeacon-pollerlambda — confirm it polls for each configured helpline and logs per-helpline tracesbeacon-dispatchervia EventBridge with{ helplineShortCode, casePayload, contactId }— confirm incident is created in Beacon and case section updated in HRMAFTER YOU MERGE
You are responsible for ensuring the above steps are completed. If you move a ticket into QA without advising what version to test, the QA team will assume the latest tag has the changes. If it does not, the following confusion is on you! :-P