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claudetools/session-logs/2026-05-14-session.md

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Session Log — 2026-05-14

User

  • User: Mike Swanson (mike)
  • Machine: DESKTOP-0O8A1RL
  • Role: admin
  • Session span: ~15:00 – 16:37 UTC (continuation from prior context)

Session Summary

This session resolved the GuruRMM inventory temperature collection issue end-to-end and delivered agent version 0.6.18 to production. The work began as a continuation from a prior context where temperatures were confirmed collecting at the agent (LHM returning cpu ~42°C) but arriving as NULL in the database.

Root cause investigation identified three compounding issues: (1) the system default policy in PostgreSQL had all metrics collection flags set to false, including collect_temperatures, so the agent's collect_with_flags() was zeroing temperatures before transmission; (2) the lhm: ok warn log fires inside collect() before policy is applied, making it appear temperatures were flowing when they were not; (3) a separate redundant metrics task in service.rs called raw collect() and logged CPU readings that were never sent to the server, creating false impressions about what data was reaching the DB.

Code fixes for 0.6.18 included: removing the redundant service.rs metrics task entirely, downgrading the lhm: ok log from WARN to DEBUG, bumping Cargo.toml to 0.6.18, and making the Pluto build script cleanup step non-fatal (it had been blocking deployment via && chain when cleanup directory was absent). Deployment required manual SCP of pre-built Pluto artifacts (two concurrent build invocations had caused a race condition on Cargo.lock). All artifacts were signed and deployed successfully.

With 0.6.18 deployed, the session then diagnosed why this machine (DESKTOP-0O8A1RL) was not auto-updating: (1) the system default policy had updates.auto_update: false, preventing the server from dispatching Update commands; (2) after enabling auto_update via a direct PostgreSQL UPDATE, the 0.6.17 agent still wasn't receiving a dispatch because a stale pending update record (0.6.7→0.6.10 from the previous day) blocked the dispatch gate. Clearing that record allowed the next heartbeat to trigger dispatch. The agent updated to 0.6.18 at 16:35 UTC, and the first post-update metric landed in the database at 16:36:10 with cpu_temp=44°C and gpu_temp=43.5°C confirmed non-NULL.

Key Decisions

  • Understand before fixing: Followed the session constraint that bugs are not fixed without understanding root cause. Traced all three contributing factors before touching code or DB.
  • Manual deployment over re-triggering CI: The concurrent build race condition left artifacts pre-built on Pluto; rather than risk a third invocation, SCP'd directly from Pluto and ran signing/deploy steps manually.
  • Cleanup non-fatal via subshell: Changed cd cleanup && $CARGO build --release to (cd cleanup && $CARGO build --release || echo cleanup_skipped) — isolates cleanup failure without masking the exit code of the main build chain.
  • Mark stale pending record as failed, not delete: Used status='failed' with an explanatory error_message rather than deleting, preserving audit trail of the interrupted 0.6.7→0.6.10 update.
  • Policy fix via direct SQL: Updated the system default policy directly in PostgreSQL rather than via dashboard UI — faster, auditable, and doesn't require UI to be working for infrastructure fixes.

Problems Encountered

  • lhm: ok fires before policy applied: The warn log inside collect() gave a false positive — temperatures were collected but then zeroed by collect_with_flags(). Resolution: traced the call stack, downgraded to debug!.
  • Redundant service.rs metrics task: Called collect() directly every 60s and logged CPU readings at INFO, making it look like policy was being bypassed. Resolution: removed the task entirely in 0.6.18.
  • Concurrent build race on Pluto: Two SSH sessions simultaneously ran move /Y Cargo.lock Cargo.lock.stable. Second session failed with "The system cannot find the file specified." Resolution: manual deployment + build script fix for cleanup.
  • Cleanup step blocked deployment: cd cleanup && $CARGO build --release at end of Pluto && chain; failure here aborted the entire SSH session AFTER successful MSI build, preventing SCP. Resolution: subshell || echo cleanup_skipped.
  • Stale pending update blocked dispatch: get_pending_update() returned the old 0.6.7→0.6.10 record, causing the dispatch gate to skip. Resolution: identified via agent_updates table query, marked record as failed.
  • PostgreSQL not externally accessible: Port 5432 not exposed from 172.16.3.30. Resolution: SSH into server and run PGPASSWORD=... psql -h 127.0.0.1.
  • 0.6.13 agents looping send failures: Three agents (c778b6a3, fa99e913, cd086074) repeatedly receive heartbeat dispatch but send_to() returns false — write half of their WS connection is dead while read half still works. Not fixed this session (documented for future investigation).
  • BB-SERVER enrollment loop: BB-SERVER keeps hitting duplicate key value violates unique constraint "idx_agents_site_device" on first WS connect. Not fixed this session.

Configuration Changes

GuruRMM codebase (gururmm Gitea repo — azcomputerguru/gururmm)

File Change
agent/Cargo.toml Version 0.6.17 → 0.6.18
agent/src/metrics/mod.rs Line 629: warn!("lhm: ok ...") → debug!("lhm: ok ...")
agent/src/service.rs Removed redundant metrics tokio task (lines 229-246) and its select! arm
agent/src/transport/websocket.rs Metrics send log changed to info! at websocket module path; ConfigUpdate handler wired
scripts/build-agents.sh Cleanup step wrapped in subshell: (cd cleanup && $CARGO build --release || echo cleanup_skipped)

Database (PostgreSQL @ 172.16.3.30:5432/gururmm)

Change SQL
All metrics flags enabled in system default policy UPDATE policies SET policy_data = jsonb_set(policy_data, '{metrics}', '{"collect_cpu":true,"collect_memory":true,"collect_disk":true,"collect_network":true,"collect_temperatures":true,"collect_user_info":true,"collect_public_ip":true}'::jsonb) WHERE is_system_default = true; (done in prior session)
Watchdog enabled in system default policy jsonb_set(policy_data, '{watchdog}', '{"enabled":true}'::jsonb) (done in prior session)
Auto-update enabled in system default policy UPDATE policies SET policy_data = jsonb_set(policy_data, '{updates}', '{"auto_update": true}'::jsonb) WHERE is_system_default = true;
Stale pending update cleared for DESKTOP-0O8A1RL UPDATE agent_updates SET status='failed', error_message='stale: agent updated via MSI, record never closed', completed_at=now() WHERE id='f1e243df-73fd-48c4-9f33-62a00211d5e8';

Local dev repo (this machine)

  • projects/msp-tools/guru-rmm/session-logs/2026-05-13-session.md — appended, committed as 51c651f

Credentials & Secrets

Resource Value
PostgreSQL (gururmm) host: 172.16.3.30, port: 5432 (localhost only), db: gururmm, user: gururmm, password: 43617ebf7eb242e814ca9988cc4df5ad
SSH to build server guru@172.16.3.30 — key-based from this machine

Infrastructure & Servers

Component Details
GuruRMM server 172.16.3.30:3001, wss://rmm-api.azcomputerguru.com/ws
PostgreSQL 172.16.3.30:5432, localhost-only, db=gururmm
Pluto (Windows build) Administrator@172.16.3.36, C:\gururmm, cargo/wix builds
Downloads dir /var/www/gururmm/downloads/ on 172.16.3.30
Agent on this machine DESKTOP-0O8A1RL, agent_id=c043d9ac-4020-4cab-a5f4-b90213d11e73, now 0.6.18

Commands & Outputs

# Enable auto_update in system default policy
ssh guru@172.16.3.30
PGPASSWORD='43617ebf7eb242e814ca9988cc4df5ad' psql -U gururmm -d gururmm -h 127.0.0.1 -c \
  "UPDATE policies SET policy_data = jsonb_set(policy_data, '{updates}', '{\"auto_update\": true}'::jsonb) WHERE is_system_default = true;"

# Check for stale pending updates
PGPASSWORD='...' psql ... -c \
  "SELECT au.id, a.hostname, au.old_version, au.target_version, au.status FROM agent_updates au JOIN agents a ON a.id=au.agent_id WHERE au.status IN ('pending','downloading','installing') ORDER BY au.created_at DESC LIMIT 20;"
# Found: f1e243df | DESKTOP-0O8A1RL | 0.6.7 | 0.6.10 | pending (from 2026-05-13)

# Clear the stale record
PGPASSWORD='...' psql ... -c \
  "UPDATE agent_updates SET status='failed', error_message='stale: agent updated via MSI, record never closed', completed_at=now() WHERE id='f1e243df-73fd-48c4-9f33-62a00211d5e8';"

# Verify 0.6.18 metrics with temperatures in DB
PGPASSWORD='...' psql ... -c \
  "SELECT timestamp, cpu_percent, cpu_temp_celsius, gpu_temp_celsius FROM metrics WHERE agent_id='c043d9ac-4020-4cab-a5f4-b90213d11e73' AND timestamp > '2026-05-14 16:35:00' ORDER BY timestamp DESC LIMIT 3;"
# Result: 2026-05-14 16:36:10 | 6.42 | 44 | 43.5 — confirmed non-NULL

Pending / Incomplete Tasks

  • 0.6.13 agents with dead WS write half — agents c778b6a3, fa99e913, cd086074 still unresolved
  • BB-SERVER enrollment loop — duplicate key on idx_agents_site_device still unresolved
  • Stale pending update records from April 19 — ~15 records for 0.6.1→0.6.2, need bulk cleanup
  • Policy wiring plan (ticklish-questing-stallman.md) — full policy propagation; deferred
  • Build lock to prevent concurrent invocations — flock or similar on build-agents.sh

Reference Information

Update: 18:00–20:00 PT — 0.6.19 build fixes, roadmap, dead reference sweep, watchdog policy cleanup

Session Summary

This continuation session fixed three Windows compile errors blocking the 0.6.19 Pluto build, updated the feature roadmap with bulk actions, performed a dead reference sweep across ClaudeTools, and removed the watchdog enabled toggle from the policy system.

The 0.6.19 build had been triggered at the end of the prior context but the Windows (Pluto) build failed with three errors in agent/src/watchdog/wts.rs. First, SetHandleInformation required HANDLE_FLAGS(0) for its third argument instead of bare 0 — HANDLE_FLAGS also needed adding to imports. Second, ReadFile at windows::Win32::Storage::FileSystem requires the Win32_System_IO feature flag — added to Cargo.toml. Third, HANDLE(*mut c_void) is not Send and cannot move into thread::spawn closures — fixed by extracting as usize before spawning and reconstructing inside each reader thread. Three fix commits, three re-triggered builds. The third build completed successfully in ~367s; all artifacts signed and deployed.

A user observation about wanting bulk actions across the UI led to updating docs/FEATURE_ROADMAP.md — which first required finding it (CLAUDE.md had the wrong path ROADMAP.md). A full dead reference sweep of ClaudeTools found one systematic dead reference: projects/claudetools-api/ appearing in FILE_PLACEMENT_GUIDE.md and CONTEXT.md, corrected to the actual root-level api/ and migrations/ directories. CLAUDE.md roadmap path was also corrected.

The watchdog enabled field was removed from the entire policy stack. The watchdog is the agent's reliability mechanism — making it policy-toggleable would allow it to be accidentally or deliberately disabled, leaving agents unrecoverable. The field was stripped from 9 files across agent, server, and dashboard. Cross-session messaging was tested by sending messages to Howard, which revealed his hook only queried the full session ID but messages were addressed to the short alias. Howard fixed it (commit 0352595).

Key Decisions

  • Three separate fix commits — each Pluto build takes ~6 minutes; iterating one fix at a time gave clear per-error feedback rather than risking a multi-fix commit that might hide secondary failures.
  • usize as cross-thread HANDLE carrier — standard pattern for Windows HANDLEs across thread boundaries; *mut c_void is not Send, usize is.
  • Win32_System_IO feature addition — compiler error "found item that was configured out" means the path is correct but gated; adding the feature is cleaner than relocating the import.
  • Watchdog enabled removed at all layers — stripping from DB schema, merge, wire format, and agent ensures stale "enabled": false JSON in existing policy records has no effect on deserialization.

Problems Encountered

  • SetHandleInformation type mismatch — third arg is HANDLE_FLAGS newtype, not bare integer. Fix: HANDLE_FLAGS(0) + import.
  • ReadFile gated behind Win32_System_IO — item exists at the declared path but requires feature. Fix: add feature to Cargo.toml.
  • HANDLE not Send — *mut c_void cannot cross thread boundary. Fix: usize carrier, reconstruct as HANDLE(n as *mut core::ffi::c_void) inside closure.
  • Roadmap path wrong in CLAUDE.md — referenced ROADMAP.md at repo root; actual file is docs/FEATURE_ROADMAP.md.
  • projects/claudetools-api/ doesn't exist — FILE_PLACEMENT_GUIDE.md and CONTEXT.md referenced a nonexistent directory. API code is at root api//migrations/.
  • Cross-session messages silently skipped — Howard's hook queried to_session=HOWARD-HOME/claude-main only; messages sent to howard alias were dropped. Howard's fix (0352595) queries both.

Configuration Changes

GuruRMM repo (azcomputerguru/gururmm)

File Change
agent/Cargo.toml Added Win32_System_IO to windows crate features
agent/src/watchdog/wts.rs HANDLE_FLAGS import; SetHandleInformation 3rd arg fixed; HANDLE cast to usize for thread safety
agent/src/transport/mod.rs Removed enabled: Option<bool> from WatchdogConfigUpdate
agent/src/watchdog/monitor.rs Removed enabled from WatchdogRuntimeConfig, poll gate, and UpdateConfig handler
server/src/db/policies.rs Removed enabled: Option<bool> from WatchdogConfig
server/src/policy/merge.rs Removed enabled from watchdog merge and defaults
server/src/policy/effective.rs Assert changed to check_interval_seconds.is_some()
server/src/policy/config_update.rs Removed enabled from AgentWatchdogConfig and mapping
dashboard/src/api/client.ts Removed enabled?: boolean from watchdog policy interface
dashboard/src/pages/Policies.tsx Removed all watchdog_enabled references; stripped outer PolicyRadio toggle from renderWatchdog
dashboard/src/pages/AgentDetail.tsx Removed Enabled EffRow from watchdog display
docs/FEATURE_ROADMAP.md Added bulk actions feature (34 lines)

ClaudeTools repo (azcomputerguru/claudetools)

File Change
.claude/CLAUDE.md Roadmap path corrected to docs/FEATURE_ROADMAP.md
.claude/FILE_PLACEMENT_GUIDE.md Removed projects/claudetools-api/ references
CONTEXT.md Tree diagram updated — claudetools-api/ replaced with note about root api//migrations/

Pending / Incomplete Tasks

  • 0.6.13 agents with dead WS write half — c778b6a3, fa99e913, cd086074 still unresolved
  • BB-SERVER enrollment loop — duplicate key on idx_agents_site_device still unresolved
  • Safesite Glendale MSI machine — waiting for user to be away; DisplayLink + NVIDIA TDR; plan to push driver update
  • LHM bundling in MSI — LHM files not yet in build pipeline; self-healing download not implemented
  • Policy wiring plan — ticklish-questing-stallman.md; deferred
  • Build lock — flock on build-agents.sh to prevent concurrent runs

Reference Information

  • 0.6.19 build fix commits: 3ee988d (HANDLE_FLAGS + ReadFile feature), a683473 (HANDLE usize cast)
  • 0.6.19 feature commit: 4493c3d
  • Watchdog cleanup commit: d4048f2
  • Bulk actions / roadmap commit: 2d362e2 (gururmm), 6515003 (claudetools dead-ref fixes)
  • Howard hook fix commit: 0352595 (gururmm, Howard's machine)
  • 0.6.19 artifacts: /var/www/gururmm/downloads/gururmm-agent-base-0.6.19.msi
  • Build log: /tmp/build-0.6.19-v3.log on 172.16.3.30
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