[Beats Management] Move to Ingest UI arch and initial TS effort (elas…

…tic#20039)

* [Beats Management] Initial scaffolding for plugin (elastic#18977)

* Initial scaffolding for Beats plugin

* Removing bits not (yet) necessary in initial scaffolding

* [Beats Management] Install Beats index template on plugin init (elastic#19072)

* Install Beats index template on plugin init

* Adding missing files

* [Beats Management] APIs: Create enrollment tokens (elastic#19018)

* WIP checkin

* Register API routes

* Fixing typo in index name

* Adding TODOs

* Removing commented out license checking code that isn't yet implemented

* Remove unnecessary async/await

* Don't return until indices have been refreshed

* Add API integration test

* Converting to Jest test

* Fixing API for default case + adding test for it

* Fixing copy pasta typos

* Adding TODO

* Fixing variable name

* Using a single index

* Adding expiration date field

* Adding test for expiration date field

* Ignore non-existent index

* Fixing logic in test

* Creating constant for default enrollment tokens TTL value

* Updating test

* Fixing name of test file (elastic#19100)

* [Beats Management] APIs: Enroll beat (elastic#19056)

* WIP checkin

* Add API integration test

* Converting to Jest test

* Create API for enrolling a beat

* Handle invalid or expired enrollment tokens

* Use create instead of index to prevent same beat from being enrolled twice

* Adding unit test for duplicate beat enrollment

* Do not persist enrollment token with beat once token has been checked and used

* Fix datatype of host_ip field

* Make Kibana API guess host IP instead of requiring it in payload

* Fixing error introduced in rebase conflict resolution

* [Beats Management] APIs: List beats (elastic#19086)

* WIP checkin

* Add API integration test

* Converting to Jest test

* WIP checkin

* Fixing API for default case + adding test for it

* Fixing copy pasta typos

* Fixing variable name

* Using a single index

* Implementing GET /api/beats/agents API

* Updating mapping

* [Beats Management] APIs: Verify beats (elastic#19103)

* WIP checkin

* WIP checkin

* Add API integration test

* Converting to Jest test

* Fixing API for default case + adding test for it

* Fixing copy pasta typos

* Fixing variable name

* Using a single index

* Implementing GET /api/beats/agents API

* Creating POST /api/beats/agents/verify API

* Refactoring: extracting out helper functions

* Fleshing out remaining tests

* Expanding TODO note so I won't forget :)

* Fixing file name

* Updating mapping

* Moving TODO comment to right file

* Rename determine* helper functions to find*

* Fixing assertions (elastic#19194)

* [Beats Management] APIs: Update beat (elastic#19148)

* WIP checkin

* WIP checkin

* Add API integration test

* Converting to Jest test

* Fixing API for default case + adding test for it

* Fixing copy pasta typos

* Fixing variable name

* Using a single index

* Implementing GET /api/beats/agents API

* Creating POST /api/beats/agents/verify API

* Refactoring: extracting out helper functions

* Expanding TODO note so I won't forget :)

* Fixing file name

* Updating mapping

* Add API tests

* Update template to allow version field for beat

* Implement PUT /api/beats/agent/{beat ID} API

* Make enroll beat code consistent with update beat code

* Fixing minor typo in TODO comment

* Allow version in request payload

* Make sure beat is not updated in ES in error scenarios

* Adding version as required field in Enroll Beat API payload

* Using destructuring

* Fixing rename that was accidentally reversed in conflict fixing

* [Beats Management] APIs: take auth tokens via headers (elastic#19210)

* WIP checkin

* WIP checkin

* Add API integration test

* Converting to Jest test

* Fixing API for default case + adding test for it

* Fixing copy pasta typos

* Fixing variable name

* Using a single index

* Implementing GET /api/beats/agents API

* Creating POST /api/beats/agents/verify API

* Refactoring: extracting out helper functions

* Expanding TODO note so I won't forget :)

* Fixing file name

* Updating mapping

* Fixing minor typo in TODO comment

* Make "Enroll Beat" API take enrollment token via header instead of request body

* Make "Update Beat" API take access token via header instead of request body

* [Beats Management] APIs: Create configuration block (elastic#19270)

* WIP checkin

* WIP checkin

* Add API integration test

* Converting to Jest test

* Fixing API for default case + adding test for it

* Fixing copy pasta typos

* Fixing variable name

* Using a single index

* Implementing GET /api/beats/agents API

* Creating POST /api/beats/agents/verify API

* Refactoring: extracting out helper functions

* Expanding TODO note so I won't forget :)

* Fixing file name

* Updating mapping

* Fixing minor typo in TODO comment

* Implementing POST /api/beats/configuration_blocks API

* Removing unnecessary escaping

* Fleshing out types + adding validation for them

* Making output singular (was outputs)

* Removing metricbeat.inputs

* Revert implementation of `POST /api/beats/configuration_blocks` API (elastic#19340)

This API allowed the user to operate at a level of abstraction that is unnecessarily and dangerously too low. A better API would be at one level higher, where users can create, update, and delete tags (where a tag can contain multiple configuration blocks).

* [Beats Management] APIs: Create or update tag (elastic#19342)

* Updating mappings

* Implementing PUT /api/beats/tag/{tag} API

* [Beats Management] Prevent timing attacks when checking auth tokens (elastic#19363)

* Using crypto.timingSafeEqual() for comparing auth tokens

* Prevent subtler timing attack in token comparison function

* Introduce random delay after we try to find token in ES to mitigate timing attack

* Remove random delay

* [Beats Management] APIs: Assign tag(s) to beat(s) (elastic#19431)

* Using crypto.timingSafeEqual() for comparing auth tokens

* Introduce random delay after we try to find token in ES to mitigate timing attack

* Rename "determine" to "find"

* Remove random delay

* Starting to implement POST /api/beats/beats_tags API

* Changing API

* Updating tests for changes to API

* Updating ES archive

* Renaming

* Use destructuring

* Moving start of script to own line to increase readability

* Using destructuring

* [Beats Management] APIs: Remove tag(s) from beat(s) (elastic#19440)

* Using crypto.timingSafeEqual() for comparing auth tokens

* Introduce random delay after we try to find token in ES to mitigate timing attack

* Remove random delay

* Starting to implement POST /api/beats/beats_tags API

* Changing API

* Updating tests for changes to API

* Renaming

* Use destructuring

* Using crypto.timingSafeEqual() for comparing auth tokens

* Introduce random delay after we try to find token in ES to mitigate timing attack

* Implementing `POST /api/beats/agents_tags/removals` API

* Updating ES archive

* Use destructuring

* Moving start of script to own line to increase readability

* Nothing to remove if there are no existing tags!

* Updating tests to match changes in bulk update painless script

* Use destructuring

* Ported over base types and arch structure

* move management of installIndexTemplate into the framework adapter

* ts-lint fix

* tslint fixes

* more ts tweaks

* fix paths

* added several working endpoints

* add more routes and bug fixes

* fix linting

* fix type remove CRUFT

* remove more cruft

* remove more CRUFT

* added comments, change plurality

* add tsconfig file

* add extends path

* fixed typo

* serveral PR review fixes

* fixed lodash type version

* “fix” types by applying a lot of any