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Document Logstash connection to external Elasticsearch #6895

Merged
merged 7 commits into from
Jun 22, 2023
Merged

Document Logstash connection to external Elasticsearch #6895

merged 7 commits into from
Jun 22, 2023

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kaisecheng
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@kaisecheng kaisecheng commented Jun 11, 2023 •
edited by thbkrkr
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This PR adds doc for connecting external Elasticsearch.

@kaisecheng
Logstash add port to Elasticsearch URL
802df0b 
if the URL is HTTPS and does not specify the port
@kaisecheng
add doc
181d31f
@botelastic botelastic bot added the triage label Jun 11, 2023
@kaisecheng kaisecheng marked this pull request as ready for review June 12, 2023 16:21
@kaisecheng kaisecheng requested a review from robbavey June 12, 2023 16:21
@barkbay barkbay added the >bug Something isn't working label Jun 13, 2023
@botelastic botelastic bot removed the triage label Jun 13, 2023
@botelastic botelastic bot removed the triage label Jun 13, 2023
robbavey
robbavey reviewed Jun 15, 2023
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LGTM - I have a documentation suggestion, and a nit on test naming

pkg/controller/logstash/env_test.go Outdated Show resolved Hide resolved
docs/orchestrating-elastic-stack-applications/logstash.asciidoc Outdated
metadata:
name: external-es-ref
stringData:
url: https://abcd-42.xyz.elastic-cloud.com <1>
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I think we should add a note somewhere that we add the default port of 443 to https URLs, as this is different behavior to standard logstash plugins, and different to how non-cloud Elasticsearch works out of the box

pebrc
pebrc reviewed Jun 16, 2023
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I think I am slightly -1 on the port appending. As explained in my comment it does fix the problem only for Logstash and not for any of the other stack applications e.g. the Beats used for monitoring. I think I would favour calling out explicitly in the doc that the default port expected is 9200 and any other port has to be configured explicitly via the url.

docs/orchestrating-elastic-stack-applications/logstash.asciidoc
monitoring:
metrics:
elasticsearchRefs:
- secretName: external-es-ref <5>
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Assuming a user specifies a URL without explicit port in the secret, then the changes in this PR append 443 by default for the environment. However Beats also assume 9200 by default and while the Logstash side is fixed, the monitoring will still not work until the user fixes the url field in the secret to include a port.

kaisecheng and others added 2 commits June 20, 2023 11:49
@kaisecheng @robbavey
Update pkg/controller/logstash/env_test.go
4e9d013 
Co-authored-by: Rob Bavey <rob.bavey@elastic.co>
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add note to port
5c18ce6
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Kibana assumes 443. Beats and Logstah assume 9200. Not sure what the default port is for others. The stack monitoring is not consistent.
+1 for calling out explicitly in doc. Instead of explaining the assumption of default port, having a note to ask for always add the port in URL may be simpler.

@kaisecheng
Revert "Logstash add port to Elasticsearch URL"
ed8064a 
This reverts commit 802df0b.
This reverts commit 47bd790.
This reverts commit 4e9d013.
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@robbavey @pebrc I have removed the port appending. Now the PR only updates the doc. It is ready for review.

robbavey
robbavey approved these changes Jun 20, 2023
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LGTM

@kaisecheng @pebrc
Update docs/orchestrating-elastic-stack-applications/logstash.asciidoc
30de0e2 
Co-authored-by: Peter Brachwitz <peter.brachwitz@gmail.com>
@kaisecheng kaisecheng added >docs Documentation and removed >bug Something isn't working labels Jun 20, 2023
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pebrc commented Jun 22, 2023

@kaisecheng should I merge this?

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@pebrc Yes please!

@pebrc pebrc merged commit 5422e73 into elastic:main Jun 22, 2023
@pebrc pebrc changed the title Logstash connect to external Elasticsearch Document Logstash connection to external Elasticsearch Jul 10, 2023
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@kaisecheng @pebrc @robbavey @thbkrkr @barkbay