Fix:Prevent CAS and AC from using the same store and add integration …

[RickDeb2004]

…test

Description

This commit includes changes to prevent CAS and AC from being configured to use the same store, which could cause conflicts. The conflict check logic has been optimized using a hashmap for better performance. Additionally, an integration test script has been added to verify the conflict detection functionality.

Fixes # (issue)
issue: #768

Type of change

Please delete options that aren't relevant.

• Bug fix (non-breaking change which fixes an issue)

• Breaking change (fix or feature that would cause existing functionality to
  not work as expected)

• This change requires a documentation update

How Has This Been Tested?

Verified the service logs for correct error messages when CAS and AC are configured with the same store.
Created and executed an integration test script simple_store_conflict_test.sh to automate the verification process.

Checklist

• Updated documentation if needed
• [ yes] Tests added/amended
• bazel test //... passes locally
• [yes ] PR is contained in a single commit, using git amend see some docs

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This change is 

[CLAassistant]

All committers have signed the CLA.

[aleksdmladenovic]

Reviewable status: 0 of 1 LGTMs obtained, and pending CI: Bazel Dev / ubuntu-22.04, Cargo Dev / macos-13, Cargo Dev / ubuntu-22.04, Installation / macos-13, Installation / macos-14, Installation / ubuntu-22.04, Publish image, Publish nativelink-worker-init, Publish nativelink-worker-lre-cc, Remote / large-ubuntu-22.04, asan / ubuntu-22.04, docker-compose-compiles-nativelink (20.04), docker-compose-compiles-nativelink (22.04), integration-tests (20.04), integration-tests (22.04), macos-13, pre-commit-checks, ubuntu-20.04 / stable, ubuntu-22.04, ubuntu-22.04 / stable, windows-2022 / stable, and 1 discussions need to be resolved

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src/bin/nativelink.rs line 251 at r1 (raw file):

            }
            Ok(())
        }

cas_config and ac_conf are already HashMaps.
They are not Array.

cc: @RickDeb2004

[MarcusSorealheis]

@RickDeb2004 You need to sign the commit and fix the tests failing. I can help but ideally you should handle this one.

[MarcusSorealheis]

Let me know in Slack if you want a hand.

[RickDeb2004]

@RickDeb2004 You need to sign the commit and fix the tests failing. I can help but ideally you should handle this one.

Sure sir , I will try to fix everything by tonight

[allada]

Any update on this? If not I want to put this ticket back into the queue.

Thanks :-)