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@jfsiii jfsiii commented Nov 9, 2020

Backports the following commits to 7.x:

@jfsiii jfsiii added the backport This PR is a backport of another PR label Nov 9, 2020
## Summary

  * Add `installPackage` with `installSource` param, to provide a single interface the `install*` functions.
    ```diff
    -    const res = await installPackageFromRegistry({
    +    const res = await installPackage({
    +      installSource: 'registry',
    ```
    and
    ```diff
    -    const res = await installPackageByUpload({
    +    const res = await installPackage({
    +      installSource: 'upload',
    ```
  * Push some repeated work (`install`, `removable`) from `install*` into `_installPackage`. Which also simplifies its interface.

### installPackage

For now `installPackage` checks the `installSource` and calls the same `install*` functions to prevent any change in behavior but there's still a lot of overlap between `installPackageFromRegistry` & `installPackageByUpload`. I think we can bring them together into `installPackage` using the same branching on `installSource`.

### local checks with curl
<details><summary>curl request/responses for happy path:</summary>

```
## zip:
curl -X POST -u elastic:changeme http://localhost:5601/api/fleet/epm/packages --data-binary @$KIBANA_HOME/x-pack/test/ingest_manager_api_integration/apis/fixtures/direct_upload_packages/apache_0.1.4.zip -H 'kbn-xsrf: xyz' -H 'Content-Type: application/zip'
{"response":[{"id":"apache-Logs-Apache-Dashboard-ecs","type":"dashboard"},{"id":"apache-Metrics-Apache-HTTPD-server-status-ecs","type":"dashboard"},{"id":"Apache-HTTPD-CPU-ecs","type":"visualization"},{"id":"Apache-HTTPD-Hostname-list-ecs","type":"visualization"},{"id":"Apache-HTTPD-Load1-slash-5-slash-15-ecs","type":"visualization"},{"id":"Apache-HTTPD-Scoreboard-ecs","type":"visualization"},{"id":"Apache-HTTPD-Total-accesses-and-kbytes-ecs","type":"visualization"},{"id":"Apache-HTTPD-Uptime-ecs","type":"visualization"},{"id":"Apache-HTTPD-Workers-ecs","type":"visualization"},{"id":"Apache-access-unique-IPs-map-ecs","type":"visualization"},{"id":"Apache-browsers-ecs","type":"visualization"},{"id":"Apache-error-logs-over-time-ecs","type":"visualization"},{"id":"Apache-operating-systems-ecs","type":"visualization"},{"id":"Apache-response-codes-of-top-URLs-ecs","type":"visualization"},{"id":"Apache-response-codes-over-time-ecs","type":"visualization"},{"id":"Apache-HTTPD-ecs","type":"search"},{"id":"Apache-access-logs-ecs","type":"search"},{"id":"Apache-errors-log-ecs","type":"search"}]}

## Uploaded packages can be deleted as expected:
curl -X DELETE -u elastic:changeme http://localhost:5601/api/fleet/epm/packages/apache-0.1.4 -H 'kbn-xsrf: xxx'
{"response":[{"id":"apache-Logs-Apache-Dashboard-ecs","type":"dashboard"},{"id":"apache-Metrics-Apache-HTTPD-server-status-ecs","type":"dashboard"},{"id":"Apache-HTTPD-CPU-ecs","type":"visualization"},{"id":"Apache-HTTPD-Hostname-list-ecs","type":"visualization"},{"id":"Apache-HTTPD-Load1-slash-5-slash-15-ecs","type":"visualization"},{"id":"Apache-HTTPD-Scoreboard-ecs","type":"visualization"},{"id":"Apache-HTTPD-Total-accesses-and-kbytes-ecs","type":"visualization"},{"id":"Apache-HTTPD-Uptime-ecs","type":"visualization"},{"id":"Apache-HTTPD-Workers-ecs","type":"visualization"},{"id":"Apache-access-unique-IPs-map-ecs","type":"visualization"},{"id":"Apache-browsers-ecs","type":"visualization"},{"id":"Apache-error-logs-over-time-ecs","type":"visualization"},{"id":"Apache-operating-systems-ecs","type":"visualization"},{"id":"Apache-response-codes-of-top-URLs-ecs","type":"visualization"},{"id":"Apache-response-codes-over-time-ecs","type":"visualization"},{"id":"Apache-HTTPD-ecs","type":"search"},{"id":"Apache-access-logs-ecs","type":"search"},{"id":"Apache-errors-log-ecs","type":"search"}]}

## Now upload
curl -X POST -u elastic:changeme http://localhost:5601/api/fleet/epm/packages --data-binary @$KIBANA_HOME/x-pack/test/ingest_manager_api_integration/apis/fixtures/direct_upload_packages/apache_0.1.4.tar.gz -H 'kbn-xsrf: xyz' -H 'Content-Type: application/gzip'
{"response":[{"id":"apache-Metrics-Apache-HTTPD-server-status-ecs","type":"dashboard"},{"id":"apache-Logs-Apache-Dashboard-ecs","type":"dashboard"},{"id":"Apache-access-unique-IPs-map-ecs","type":"visualization"},{"id":"Apache-HTTPD-CPU-ecs","type":"visualization"},{"id":"Apache-HTTPD-Load1-slash-5-slash-15-ecs","type":"visualization"},{"id":"Apache-response-codes-over-time-ecs","type":"visualization"},{"id":"Apache-HTTPD-Workers-ecs","type":"visualization"},{"id":"Apache-HTTPD-Hostname-list-ecs","type":"visualization"},{"id":"Apache-error-logs-over-time-ecs","type":"visualization"},{"id":"Apache-HTTPD-Scoreboard-ecs","type":"visualization"},{"id":"Apache-HTTPD-Uptime-ecs","type":"visualization"},{"id":"Apache-operating-systems-ecs","type":"visualization"},{"id":"Apache-HTTPD-Total-accesses-and-kbytes-ecs","type":"visualization"},{"id":"Apache-browsers-ecs","type":"visualization"},{"id":"Apache-response-codes-of-top-URLs-ecs","type":"visualization"},{"id":"Apache-access-logs-ecs","type":"search"},{"id":"Apache-errors-log-ecs","type":"search"},{"id":"Apache-HTTPD-ecs","type":"search"},{"id":"logs-apache.error-0.1.4","type":"ingest_pipeline"},{"id":"logs-apache.access-0.1.4","type":"ingest_pipeline"},{"id":"logs-apache.error","type":"index_template"},{"id":"metrics-apache.status","type":"index_template"},{"id":"logs-apache.access","type":"index_template"}]}
```
</details>

<details><summary>curl request/responses for archive errors:</summary>

```
## Wrong content type:
### tar.gz with application/zip:
curl -X POST -u elastic:changeme http://localhost:5601/api/fleet/epm/packages --data-binary @$KIBANA_HOME/x-pack/test/ingest_manager_api_integration/apis/fixtures/direct_upload_packages/apache_0.1.4.tar.gz -H 'kbn-xsrf: xyz' -H 'Content-Type: application/zip'
{"statusCode":400,"error":"Bad Request","message":"Error during extraction of package: Error: end of central directory record signature not found. Assumed content type was application/zip, check if this matches the archive type."}

### zip with application/gzip:
curl -X POST -u elastic:changeme http://localhost:5601/api/fleet/epm/packages --data-binary @$KIBANA_HOME/x-pack/test/ingest_manager_api_integration/apis/fixtures/direct_upload_packages/apache_0.1.4.zip -H 'kbn-xsrf: xyz' -H 'Content-Type: application/gzip'
{"statusCode":400,"error":"Bad Request","message":"Archive seems empty. Assumed content type was application/gzip, check if this matches the archive type."}

## Invalid packages
### Two top-level directories:
curl -X POST -u elastic:changeme http://localhost:5601/api/fleet/epm/packages --data-binary @$KIBANA_HOME/x-pack/test/ingest_manager_api_integration/apis/fixtures/direct_upload_packages/apache_invalid_two_toplevels_0.1.4.zip -H 'kbn-xsrf: xyz' -H 'Content-Type: application/zip'
{"statusCode":400,"error":"Bad Request","message":"Package contains more than one top-level directory."}

### No manifest:
curl -X POST -u elastic:changeme http://localhost:5601/api/fleet/epm/packages --data-binary @$KIBANA_HOME/x-pack/test/ingest_manager_api_integration/apis/fixtures/direct_upload_packages/apache_invalid_no_manifest_0.1.4.zip -H 'kbn-xsrf: xyz' -H 'Content-Type: application/zip'
{"statusCode":400,"error":"Bad Request","message":"Package must contain a top-level manifest.yml file."}

### Invalid YAML in manifest:
curl -X POST -u elastic:changeme http://localhost:5601/api/fleet/epm/packages --data-binary @$KIBANA_HOME/x-pack/test/ingest_manager_api_integration/apis/fixtures/direct_upload_packages/apache_invalid_manifest_invalid_yaml_0.1.4.zip -H 'kbn-xsrf: xyz' -H 'Content-Type: application/zip'
{"statusCode":400,"error":"Bad Request","message":"Could not parse top-level package manifest: YAMLException: bad indentation of a mapping entry at line 2, column 7:\n      name: apache\n          ^."}

### Mandatory field missing in manifest:
curl -X POST -u elastic:changeme http://localhost:5601/api/fleet/epm/packages --data-binary @$KIBANA_HOME/x-pack/test/ingest_manager_api_integration/apis/fixtures/direct_upload_packages/apache_invalid_manifest_missing_field_0.1.4.zip -H 'kbn-xsrf: xyz' -H 'Content-Type: application/zip'
{"statusCode":400,"error":"Bad Request","message":"Invalid top-level package manifest: one or more fields missing of name, version, description, type, categories, format_version"}

### Top-level directory doesn't match name and version from manifest:
curl -X POST -u elastic:changeme http://localhost:5601/api/fleet/epm/packages --data-binary @$KIBANA_HOME/x-pack/test/ingest_manager_api_integration/apis/fixtures/direct_upload_packages/apache_invalid_toplevel_mismatch_0.1.4.zip -H 'kbn-xsrf: xyz' -H 'Content-Type: application/zip'
{"statusCode":400,"error":"Bad Request","message":"Name thisIsATypo and version 0.1.4 do not match top-level directory apache-0.1.4"}
```
</details>

#### TS type check examples on `installPackage`
<details><summary>screenshots</summary>

<img width="379" alt="Screen Shot 2020-11-08 at 4 00 14 PM" src="https://user-images.githubusercontent.com/57655/98484251-1d1e9f80-21dc-11eb-93f8-601036b45355.png">
<img width="890" alt="Screen Shot 2020-11-08 at 4 00 21 PM" src="https://user-images.githubusercontent.com/57655/98484252-1db73600-21dc-11eb-88d1-5faa498f94fc.png">
<img width="396" alt="Screen Shot 2020-11-08 at 4 01 06 PM" src="https://user-images.githubusercontent.com/57655/98484253-1db73600-21dc-11eb-8e2a-10a5762f4a95.png">
<img width="441" alt="Screen Shot 2020-11-08 at 4 01 25 PM" src="https://user-images.githubusercontent.com/57655/98484254-1db73600-21dc-11eb-9d9a-c1620dcad11e.png">
<img width="879" alt="Screen Shot 2020-11-08 at 4 02 54 PM" src="https://user-images.githubusercontent.com/57655/98484255-1db73600-21dc-11eb-8f36-7da3e9256feb.png">

</details>

### Checklist
- [ ] [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
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💚 Build Succeeded

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  • 💚 Build #86884 succeeded a5cd375a3e48e5dd29f615596933c5512ed7b8d6

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

@jfsiii jfsiii merged commit a4001d3 into elastic:7.x Nov 11, 2020
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