Ensure support of the transport-nio by security plugin (HTTP)

[reta]

Description

Ensure support of the transport-nio by security plugin (HTTP only), changes in opensearch.yml:

http.type: nio-http-transport-secure

$ curl -kv https://localhost:9200/ -u admin:_ad0m#Ns_ --http1.1                                                                                                                                                                                                                              08:32:15 [39/437]
* Host localhost:9200 was resolved.                                                  
* IPv6: ::1                                                                          
* IPv4: 127.0.0.1                                                                    
*   Trying [::1]:9200...                                                             
* Connected to localhost (::1) port 9200                                             
* ALPN: curl offers http/1.1                                                         
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Request CERT (13):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Certificate (11):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_AES_128_GCM_SHA256 / x25519 / RSASSA-PSS
* ALPN: server accepted http/1.1                                                     
* using HTTP/1.x                                                                                                                                                                                                                                                                                                                                      
* Server auth using Basic with user 'admin'                                                                                                                                                                                                                                                                                                           
> GET / HTTP/1.1                                                                                                                                                                                                                                                                                                                                      
> Host: localhost:9200                                                               
> Authorization: Basic YWRtaW46X2FkMG0jTnNf
> User-Agent: curl/8.9.1                                                             
> Accept: */*                                                                        
>                                                                                    
* Request completely sent off                                                        
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
< HTTP/1.1 200 OK                                                                    
< X-OpenSearch-Version: OpenSearch/3.0.0 (opensearch)
< content-type: application/json; charset=UTF-8
< content-length: 576                                                                
<                                                                                    
{                                                                                    
  "name" : "host",                                              
  "cluster_name" : "opensearch",                                                     
  "cluster_uuid" : "ByTSGP1rSGOnak0LKonwWw",
  "version" : {                                                                      
    "distribution" : "opensearch",                                                   
    "number" : "3.0.0",                                                              
    "build_type" : "tar",                                                            
    "build_hash" : "9dd1a59847ad8c2716d002716521ac40afc69355",
    "build_date" : "2024-10-24T04:39:37.808432550Z",
    "build_snapshot" : false,                                                        
    "lucene_version" : "9.12.0",                                                     
    "minimum_wire_compatibility_version" : "2.18.0",
    "minimum_index_compatibility_version" : "2.0.0"
  },                                                                                 
  "tagline" : "The OpenSearch Project: https://opensearch.org/"
} 

Related Issues

Closes #13245

Check List

• Functionality includes testing.
• API changes companion pull request created, if applicable.
• Public documentation issue/PR created, if applicable.

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[github-actions]

❌ Gradle check result for 864d575: FAILURE

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❌ Gradle check result for c56c85b: FAILURE

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❌ Gradle check result for c99bf17: FAILURE

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❌ Gradle check result for 019c2ae: FAILURE

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[reta]

I think we need to get that test passing w/ the security plugin to declare that this transport works w/ the security plugin. You can run it with the changes in this branch: cwperks/security#33

This is not as straightforward sadly: the security plugin (at the moment) still only recognizes SecureNetty4HttpServerTransport (see please OpenSearchSecureSettingsFactory). We definitely could work towards removing these last pieces of knowledge from it.

[github-actions]

✅ Gradle check result for 7abf006: SUCCESS

[github-actions]

❌ Gradle check result for dcb05d0: FAILURE

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[github-actions]

❌ Gradle check result for dcb05d0: FAILURE

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[github-actions]

❕ Gradle check result for dcb05d0: UNSTABLE

• TEST FAILURES:

      1 org.opensearch.http.SearchRestCancellationIT.testAutomaticCancellationMultiSearchDuringQueryPhase
      1 org.opensearch.backwards.MixedClusterClientYamlTestSuiteIT.test {p0=cluster.health/10_basic/cluster health with closed index}

Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[cwperks]

Thank you @reta! This PR looks good to me. I'm not a maintainer of this repo so I will leave a comment approval

[opensearch-trigger-bot]

The backport to 2.x failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Navigate to the root of your repository
cd $(git rev-parse --show-toplevel)
# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/OpenSearch/backport-2.x 2.x
# Navigate to the new working tree
pushd ../.worktrees/OpenSearch/backport-2.x
# Create a new branch
git switch --create backport/backport-16474-to-2.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 b25e10afb9e216c547a59409d909ec1ecae101ec
# Push it to GitHub
git push --set-upstream origin backport/backport-16474-to-2.x
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/OpenSearch/backport-2.x

Then, create a pull request where the base branch is 2.x and the compare/head branch is backport/backport-16474-to-2.x.

[andrross]

Just curious @reta, is there any reason to prefer transport-nio over the Netty version? I'm wondering if this is something to consider removing in the next major version.

[reta]

Just curious @reta, is there any reason to prefer transport-nio over the Netty version? I'm wondering if this is something to consider removing in the next major version.

Thanks @andrross I think we've never benchmarked / compared these transports side by side. I will try to research the history of nio transport, thanks!

[andrross]

Thanks @reta. I'm always looking for opportunity to remove code!

[reta]

Thanks @reta. I'm always looking for opportunity to remove code!

@andrross traced it back to elastic/elasticsearch#27260 (which basically what I also suspected):

We are interested in introducing alternative transport options that do not depend on external libraries. From time to time we have had some friction with using netty related to buffer pooling, oom excetions, exception handling, unsafe, etc. We want to look explore if a homegrown transport could potentially meet our needs.

Not sure it is relevant these day, unless java.nio shines in some flows