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CSHARP-6116: Trim the MONGODB-AWS auth test matrix - #2145
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The matrix consistently covers all stated scenarios, supported AWS SDK builds, and the minimum and latest server versions.
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What changed in this PR
Trims MONGODB-AWS CI coverage while preserving credential, minimum-server, and AWS SDK target coverage.
Changes:
- Reduces the matrix from 20 tasks to three targeted variants.
- Adds Ubuntu 24.04 and framework axes.
- Applies platform-specific EC2/ECS exclusions.
| File | Description |
|---|---|
evergreen/evergreen.yml |
Defines the streamlined AWS authentication matrix and framework selection. |
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The MONGODB-AWS auth tests ran every credential scenario against every server version on three platforms. This PR cuts that to three tasks. Each scenario still runs against
latest, 4.4 gets one check as the minimum supported server, and each AWS SDK build the driver can load gets exercised. Replacing the Ubuntu 20.04 cells also fixes the 9.0 andlatestLinux failures.Previous state
20 tasks per commit, all on
net6.0:windows-2022-latest-smallubuntu2004-smallmacos-14"Basic" means regular, assume-role, env-var credentials, and env-var credentials with a session token.
latestcells failed on every commit, because there are no Ubuntu 20.04 server builds for those versions.latest.net6.0, which loads the AWS SDK'snetcoreapp3.1build. Thenet472andnet8.0builds that .NET Framework and .NET 8+ applications load were never tested.New state
3 tasks per commit:
aws-auth-tests-windows-minimum-serverwindows-2022-latest-smallnet472)aws-auth-tests-ubuntu-2204ubuntu2204-smallnet8.0)aws-auth-tests-ubuntu-2404ubuntu2404-smallnetcoreapp3.1)Why three tasks are enough
auth/tests/mongodb-aws.mdlists the scenarios but sets no server-version, OS or framework requirement. The mechanism is "Since: 4.4".latest. For example, the driver rejects a server reply that has an unexpected field, and a server change like that would appear onlatestfirst. The 4.4 cell covers the minimum supported server.Accepted gaps: