Adds system benchmarks command (#1232)

* Refactor benchmark command to make it easier to extend

* Add new command and read config

* Set up service and generator

* Improve policy creation and add docker service deployer

* Bump es api version

* Add new options

* Add new reportable types

* Collect and report summary metrics

* Add documentation

* Add system benchmark test

* Save report file

* Ensure all data is generated previous to agents being assigned

* Save file indented

* Update readme

* Lint

* Make test faster

* Go back to 7.17 client

* fix tests

* Change comments

* Add monitoringenabled option

* Update report.go

* Delete outputs.go from kibana

* Rename reports payload property

* Remove pkg/errors from ingest, kibana, and servicedeployer

* Amend const and comment

* Avoid overriding configs unadvertedly

* Change byte replace to strings.Replacer

* Undo change in report benchmark command

* Use policy template name to generate input name

* Fix readme

* Add corpora file to report

* Cleanup corpora generated data

* Fix lint error

* Fix test package format

* Fix lint errors

* Fix processor error return

* Rename folder to accomodate to spec

* Add prefix check

README.md

@@ -100,6 +100,12 @@ These benchmarks allow you to benchmark any Ingest Node Pipelines defined by you
 
 For details on how to configure pipeline benchmarks for a package, review the [HOWTO guide](./docs/howto/pipeline_benchmarking.md).
 
+#### System Benchmarks
+
+These benchmarks allow you to benchmark an integration end to end.
+
+For details on how to configure system benchmarks for a package, review the [HOWTO guide](./docs/howto/system_benchmarking.md).
+
 ### `elastic-package benchmark generate-corpus`
 
 _Context: package_
@@ -116,6 +122,12 @@ _Context: package_
 
 Run pipeline benchmarks for the package.
 
+### `elastic-package benchmark system`
+
+_Context: package_
+
+Run system benchmarks for the package.
+
 ### `elastic-package build`
 
 _Context: package_