kibana/packages/kbn-alerts-as-data-utils/kibana.jsonc
Ying Mao dcf752e8df
[Response Ops][Alerting] Update common component template generation for framework alerts as data (#150384)
Resolves https://github.com/elastic/kibana/issues/150358

## Summary

In a previous [PR](https://github.com/elastic/kibana/pull/145581) we
started installing a common component template for framework alerts as
data when the `xpack.alerting.enableFrameworkAlerts` config flag is set
to true. In that PR we used a different naming pattern than what is used
by the rule registry for its component templates.

In this PR we are doing the following:
* Renaming the installed `alerts-common-component-template` to
`.alerts-framework-mappings`.
* Creating and installing `.alerts-legacy-alert-mappings` component
template when `enableFrameworkAlerts: true` on alerting plugin setup
* The combination of the two component templates creates the same set of
mappings as the rule registry technical component template
* Creating and installing `.alerts-ecs-mappings` component template when
`enableFrameworkAlerts: true` on alerting plugin setup (when
`enableFrameworkAlerts: false`, the rule registry continues to install
this component template
* Using the `@kbn/ecs` package provided by core to generate the ECS
field map. The rule registry will continue to install the existing ECS
field map which is actually a subset of ECS fields
* Adding `useLegacy` and `useEcs` flags that allow rule types to specify
whether to include the legacy alerts component template and the ECS
component template when registering with framework alerts-as-data.
* Moved some common functions to alerting framework from the rule
registry

## Things to note
* When generating the ECS field map, we are now including the
`ignore_above` setting from the `@kbn/ecs` package. This changes the ECS
component template to include those settings. I tested updating an index
with just `"type":"keyword"` mappings to add the `ignore_above` field to
the mapping and had no issues so this seems like an additive change to
the mapping that will hopefully prevent problems in the future.
* The rule registry ECS component template also includes the technical
fields which is redundant because the technical component template is
automatically installed for all index templates so the framework ECS
component template only contains ECS fields.

| Previous mapping      | Updated mapping |
| ----------- | ----------- |
| `{ "organization": { "type": "keyword" } }` | `{ "organization": {
"type": "keyword", "ignore_above": 1024 } }` |

## To Verify

### Verify that the generated component templates are as expected:

Get the following

**While running `main`:**

1. Get the ECS component template `GET
_component_template/.alerts-ecs-mappings`
2. Get the technical component template `GET
_component_template/.alerts-technical-mappings`
3. Create a detection rule that creates an alert and then get the index
mapping for the concrete security alert index `GET
.internal.alerts-security.alerts-default-000001/_mapping`

**While running this branch with `xpack.alerting.enableFrameworkAlerts:
false`:**

4. Get the ECS component template `GET
_component_template/.alerts-ecs-mappings`
5. Get the technical component template `GET
_component_template/.alerts-technical-mappings`
6. Create a detection rule that creates an alert and then get the index
mapping for the concrete security alert index `GET
.internal.alerts-security.alerts-default-000001/_mapping`

**While running this branch with `xpack.alerting.enableFrameworkAlerts:
true`:**

7. Get the ECS component template `GET
_component_template/.alerts-ecs-mappings`
8. Get the technical component template `GET
_component_template/.alerts-technical-mappings`
9. Create a detection rule that creates an alert and then get the index
mapping for the concrete security alert index `GET
.internal.alerts-security.alerts-default-000001/_mapping`
10. Verify that component templates exist for
`.alerts-framework-mappings` and `.alerts-legacy-alert-mappings`

**Compare the ECS component templates**
Compare 1 and 4 (ECS component template from `main` and installed by
rule registry in this branch). The difference should be:
* no difference in ECS fields
* because the rule registry ECS component template also includes
technical fields, you will see the 2 new technical fields in this branch

Compare 4 and 7 (ECS component template from rule registry & alerting
framework in this branch).
* some new ECS fields for alerting installed template
* each `keyword` mapped field for alerting installed template should
have `ignore_above` setting
* no `kibana.*` fields in the alerting installed template

**Compare the technical component templates**
Compare 2 and 5 (technical component template from `main` and installed
by rule registry in this branch). The difference should be:
* 2 new `kibana.alert` fields (`flapping_history` and `last_detected`)

Compare 5 and 8 (technical component template from rule registry &
alerting framework in this branch).
* there should be no difference!

**Compare the index mappings**
Compare 3 and 6 (index mapping from `main` and installed by rule
registry in this branch). The difference should be:
* 2 new `kibana.alert` fields (`flapping_history` and `last_detected`)

Compare 6 and 9 (index mapping from rule registry & alerting framework
in this branch).
* some new ECS fields
* each `keyword` mapped ECS field should have `ignore_above` setting

### Verify that the generated component templates work with existing
rule registry index templates & indices:

1. Run `main` or a previous version and create a rule that uses both ECS
component templates & technical component templates (detection rules use
both). Let it run a few times.
2. Using the same ES data, switch to this branch with
`xpack.alerting.enableFrameworkAlerts: false` and verify Kibana starts
with no rule registry errors and the rule continues to run as expected.
3. Using the same ES data, switch to this branch with
`xpack.alerting.enableFrameworkAlerts: true` and verify Kibana starts
with no alerting or rule registry errors and the rule continues to run
as expected. Verify that the mapping on the existing
`.internal.alerts-security.alerts-default-000001` has been updated to
include the latest ECS mappings and the two new technical fields.

### Checklist

Delete any items that are not applicable to this PR.

- [x] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios

---------

Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>
Co-authored-by: Mike Côté <mikecote@users.noreply.github.com>
2023-02-27 14:24:44 -05:00

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{
"type": "shared-common",
"id": "@kbn/alerts-as-data-utils",
"owner": "@elastic/response-ops"
}