proposal for must-gather agentic debugging via MCP

[sakshiep1]

Summary

Enhancement proposal for must-gather agentic debugging adapter with MCP server and IntelliAide integration.

What this proposes

When a user sets agenticDebuggingEnabled: true on a MustGather CR, the operator - after a successful gather Job - will:

1. Deploy a shared MCP server (using the openshift-mcp-server image with only the openshift/mustgather toolset enabled) that mounts the same PVC
2. Create a Lightspeed Proposal CR that triggers a sandboxed agent to perform IntelliAide RCA against the collected data

The agent never requires cluster-admin privileges - it accesses must-gather data exclusively through MCP tool calls over HTTP.

Key design decisions

• Shared MCP server: Single Deployment serves all collections via subPath isolation (avoids per-CR pod waste)
• MCP server image: registry.redhat.io/openshift-mcp-beta/openshift-mcp-server-rhel9
• Opt-in + TechPreview gated: agenticDebuggingEnabled defaults to false; feature gated for initial releases
• Graceful degradation: If Lightspeed is not installed, operator logs and skips - MustGather completes normally
• Single PVC scope: Initial implementation supports one PVC per operator namespace; multiple PVC support deferred
• User owns PVC lifecycle: Operator does not create or delete PVCs

Components involved

• openshift/must-gather-operator - new fields, MCP server management, Proposal creation
• openshift/openshift-mcp-server - consumed as container image (no code changes)
• openshift/lightspeed-agentic-sandbox - consumed via existing Proposal/AnalysisResult APIs (no code changes needed from us)

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