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Add support for Google Artifact Registry (GAR) (#692)

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<!-- Provide a brief summary of your changes -->

## Motivation and Context
<!-- Why is this change needed? What problem does it solve? -->
The following PR:
* Deprecates the existing OCI reference parser
* Deprecates the existing OCI way of authenticating and accessing the
image manifest
* Replaces the above by leveraging go-containerregistry
* Introduces support for Google Artifact Registry
* Enables us to easily add support for other OCI-compliant registries in
the future
* Introduces better error handling
* Introduces custom context timeouts for validation 

## How Has This Been Tested?
<!-- Have you tested this in a real application? Which scenarios were
tested? -->

## Breaking Changes
<!-- Will users need to update their code or configurations? -->

## Types of changes
<!-- What types of changes does your code introduce? Put an `x` in all
the boxes that apply: -->
- [ ] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
<!-- Go over all the following points, and put an `x` in all the boxes
that apply. -->
- [ ] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [ ] My code follows the repository's style guidelines
- [ ] New and existing tests pass locally
- [ ] I have added appropriate error handling
- [ ] I have added or updated documentation as needed

## Additional context
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-->
Related to #427

---------

Signed-off-by: Radoslav Dimitrov <radoslav@stacklok.com>
This commit is contained in:
Radoslav Dimitrov 2025-10-28 15:00:06 +02:00 • committed by GitHub
commit 913147be3a
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1 changed files with 258 additions and 803 deletions
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4
internal/validators/validators_test.go
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@ -1628,10 +1628,10 @@ func TestValidate_RegistryTypesAndUrls(t *testing.T) {
// Invalid registry types (should fail)
{"invalid_maven", "io.github.domdomegg/airtable-mcp-server", "maven", model.RegistryURLNPM, "airtable-mcp-server", "1.7.2", "", true},
{"invalid_cargo", "io.github.domdomegg/time-mcp-pypi", "cargo", model.RegistryURLPyPI, "time-mcp-pypi", "1.0.1", "", true},
{"invalid_gem", "io.github.domdomegg/airtable-mcp-server", "gem", model.RegistryURLDocker, "domdomegg/airtable-mcp-server", "1.7.2", "", true},
{"invalid_gem", "io.github.domdomegg/airtable-mcp-server", "gem", "", "domdomegg/airtable-mcp-server", "1.7.2", "", true},
{"invalid_unknown", "io.github.domdomegg/time-mcp-server", "unknown", model.RegistryURLNuGet, "TimeMcpServer", "1.0.2", "", true},
{"invalid_blank", "io.github.domdomegg/time-mcp-server", "", model.RegistryURLNuGet, "TimeMcpServer", "1.0.2", "", true},
{"invalid_docker", "io.github.domdomegg/airtable-mcp-server", "docker", model.RegistryURLDocker, "domdomegg/airtable-mcp-server", "1.7.2", "", true}, // should be oci
{"invalid_docker", "io.github.domdomegg/airtable-mcp-server", "docker", "", "domdomegg/airtable-mcp-server", "1.7.2", "", true}, // should be oci
{"invalid_github", "io.github.domdomegg/airtable-mcp-server", "github", model.RegistryURLGitHub, "https://github.com/domdomegg/airtable-mcp-server/releases/download/v1.7.2/airtable-mcp-server.mcpb", "1.7.2", "", true}, // should be mcpb
{"invalid_mix_1", "io.github.domdomegg/time-mcp-server", model.RegistryTypeNuGet, model.RegistryURLNPM, "TimeMcpServer", "1.0.2", "", true},