[Ingest Manager] [DRAFT] POST /setup can crash

[jfsiii]

WIP PR only to get CI & merge upstream

get EPM packages behaves as expected

curl  http://localhost:5601/api/ingest_manager/epm/packages --user elastic:changeme
{"statusCode":500,"error":"Internal Server Error","message":"Error connecting to package registry at http://localhost:9999/search: request to http://localhost:9999/search failed, reason: connect ECONNREFUSED 127.0.0.1:9999"}

server    log   [17:10:12.499] [info][server][Kibana][http] http server running at http://0.0.0.0:5601
fetchUrl http://localhost:9999/search
getResponseStream before http://localhost:9999/search
registry#getResponse try http://localhost:9999/search
registry#getResponse catch http://localhost:9999/search
server   error  [17:10:14.470]  Error: Internal Server Error
    at HapiResponseAdapter.toError (/Users/jfsiii/work/kibana/src/core/server/http/router/response_adapter.ts:129:19)
    at HapiResponseAdapter.toHapiResponse (/Users/jfsiii/work/kibana/src/core/server/http/router/response_adapter.ts:79:19)
    at HapiResponseAdapter.handle (/Users/jfsiii/work/kibana/src/core/server/http/router/response_adapter.ts:74:17)
    at Router.handle (/Users/jfsiii/work/kibana/src/core/server/http/router/router.ts:273:34)
    at process._tickCallback (internal/process/next_tick.js:68:7)

but crashes with POST to /setup while no registry

curl -X POST 'http://localhost:5601/api/ingest_manager/setup' -H 'kbn-xsrf: <string>' --user elastic:changeme
{"isInitialized":true}

server / console Logs

handler try await setupIngestManager
setupIngestManager
setupIngestManager try/catch await Promise.all default packages, output, agent config, etc
ensureInstalledDefaultPackages return 2
installLatestPackage try/catch system
fetchFindLatestPackage try system calls fetchUrl http://localhost:9999/search?package=system&internal=true&experimental=true
fetchUrl http://localhost:9999/search?package=system&internal=true&experimental=true
getResponseStream before http://localhost:9999/search?package=system&internal=true&experimental=true
registry#getResponse try http://localhost:9999/search?package=system&internal=true&experimental=true
installLatestPackage try/catch endpoint
fetchFindLatestPackage try endpoint calls fetchUrl http://localhost:9999/search?package=endpoint&internal=true&experimental=true
fetchUrl http://localhost:9999/search?package=endpoint&internal=true&experimental=true
getResponseStream before http://localhost:9999/search?package=endpoint&internal=true&experimental=true
registry#getResponse try http://localhost:9999/search?package=endpoint&internal=true&experimental=true
registry#getResponse catch http://localhost:9999/search?package=system&internal=true&experimental=true
installLatestPackage catch { RegistryError: Error connecting to package registry at http://localhost:9999/search?package=system&internal=true&experimental=true: request to http://localhost:9999/search?package=system&internal=true&experimental=true failed, reason: connect ECONNREFUSED 127.0.0.1:9999
    at getResponse (/Users/jfsiii/work/kibana/x-pack/plugins/ingest_manager/server/services/epm/registry/requests.ts:26:11)
    at process._tickCallback (internal/process/next_tick.js:68:7) name: 'RegistryError' }
setupIngestManager catch & call onSetupReject { RegistryError: Error connecting to package registry at http://localhost:9999/search?package=system&internal=true&experimental=true: request to http://localhost:9999/search?package=system&internal=true&experimental=true failed, reason: connect ECONNREFUSED 127.0.0.1:9999
    at getResponse (/Users/jfsiii/work/kibana/x-pack/plugins/ingest_manager/server/services/epm/registry/requests.ts:26:11)
    at process._tickCallback (internal/process/next_tick.js:68:7) name: 'RegistryError' }
ingestManagerSetupHandler await success undefined
Unhandled Promise rejection detected:

{ RegistryError: Error connecting to package registry at http://localhost:9999/search?package=system&internal=true&experimental=true: request to http://localhost:9999/search?package=system&internal=true&experimental=true failed, reason: connect ECONNREFUSED 127.0.0.1:9999
    at getResponse (/Users/jfsiii/work/kibana/x-pack/plugins/ingest_manager/server/services/epm/registry/requests.ts:26:11)
    at process._tickCallback (internal/process/next_tick.js:68:7) name: 'RegistryError' }

Terminating process...
 server crashed  with status code 1

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[jfsiii]

@elasticmachine merge upstream master

[kibanamachine]

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@elasticmachine merge upstream

[jfsiii]

closing in favor of #74300