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DollhouseMCP

by DollhouseMCP
NEXT_SESSION_DOCKER_CI_DEBUG.md4.35 kB
# Next Session: Docker CI Debug with Agents **Priority**: CRITICAL - Blocking PR #611 **Approach**: Multi-agent systematic debugging **Context**: Previous session fixed race condition but Docker CI still fails ## Starting Commands ```bash cd /Users/mick/Developer/Organizations/DollhouseMCP/active/mcp-server git checkout fix/server-initialization-race-condition git pull origin fix/server-initialization-race-condition # Check current status gh pr checks 611 gh pr view 611 --comments | tail -50 ``` ## Agent Architecture Required ### 🎯 Orchestrator: Opus Coordinates the investigation and synthesizes findings. ### 🔍 Agent 1: CI Environment Analyzer **Task**: Understand GitHub Actions Docker environment ```yaml Focus Areas: - How stdin/stdout is handled in GitHub Actions - Docker run behavior in CI vs local - Environment variables that differ - Network/security constraints Starting Points: - Check GitHub Actions documentation for Docker - Review docker-testing.yml workflow - Compare with working workflows in other projects ``` ### 🐛 Agent 2: Docker Output Debugger **Task**: Add comprehensive debugging to capture what's really happening ```yaml Modifications Needed: - Add hexdump of output - Check exit codes explicitly - Time how long container runs - Capture stderr separately from stdout - Test if stdin is connected Key File: - .github/workflows/docker-testing.yml ``` ### 🧪 Agent 3: Local vs CI Comparison **Task**: Find the EXACT difference between local and CI ```yaml Test Matrix: - Local: echo | docker run -i - Local: docker run < /dev/null - Local: docker run with timeout - CI: Current implementation - CI: With explicit EOF - CI: With timeout wrapper Document: - What works where - Exact error messages - Timing differences ``` ### 🔧 Agent 4: Solution Implementer **Task**: Test hypotheses and implement fixes ```yaml Hypotheses to Test: 1. stdin not connected in CI 2. Container exits too quickly 3. Output not captured properly 4. Security constraints differ 5. Platform differences (linux/amd64 vs others) For Each Hypothesis: - Design test - Implement change - Document result ``` ## Critical Information ### What Works (Verified) - ✅ Race condition fixed - ✅ Unit tests all pass - ✅ Local Docker works perfectly - ✅ MCP server responds correctly ### What Fails (Honest) - ❌ Docker CI tests timeout/fail - ❌ Don't know WHY (this is the problem) - ❌ Security audit (API error, not our code) ### The Mystery **Local**: ```bash echo '{"jsonrpc":"2.0","method":"initialize"...}' | docker run -i test-mcp # Returns: {"result":{"serverInfo":{"name":"dollhousemcp"...}}} ``` **CI**: Same command fails to find output or times out ## Specific Debug Additions Needed Add to docker-testing.yml: ```bash # Before running Docker echo "=== Environment ===" env | grep -i docker || true docker version echo "=== Starting test ===" # Capture output with debugging docker_output=$(echo "$MCP_INIT" | \ timeout 30 docker run -i ... 2>&1 || echo "EXIT_CODE=$?") # Debug output echo "=== Raw output (first 1000 chars) ===" echo "${docker_output:0:1000}" echo "=== Hex dump (first 200 bytes) ===" echo "$docker_output" | head -c 200 | hexdump -C echo "=== Output length: ${#docker_output} ===" echo "=== Contains serverInfo: ===" echo "$docker_output" | grep -c serverInfo || echo "0" ``` ## Working Hypothesis The Docker container in CI might be: 1. Not receiving stdin properly 2. Exiting before output is captured 3. Having output buffered differently 4. Running with different security context ## Success Criteria 1. **Identify**: The EXACT reason Docker tests fail in CI 2. **Fix**: Make Docker tests pass 3. **Document**: Why it failed and how we fixed it 4. **Verify**: All CI checks green ## Don't Do This - ❌ Trial and error without hypothesis - ❌ Assume things work like local - ❌ Skip debugging output - ❌ Give up and disable tests ## Do This Instead - ✅ Add massive amounts of debug output - ✅ Test each hypothesis systematically - ✅ Use agents to parallelize - ✅ Document every finding ## If All Else Fails Consider: 1. Different test approach (not Docker) 2. Skip with documented reason 3. Test only on one platform 4. Use different CI service But TRY TO FIX IT FIRST! --- *The answer is there - we just need systematic debugging to find it*

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