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236 commits

Author SHA1 Message Date
rcourtman
cc3c0187a0 feat: AI features, agent improvements, and host monitoring enhancements 
AI Chat Integration:
- Multi-provider support (Anthropic, OpenAI, Ollama)
- Streaming responses with markdown rendering
- Agent command execution for remote troubleshooting
- Context-aware conversations with host/container metadata

Agent Updates:
- Add --enable-proxmox flag for automatic PVE/PBS token setup
- Improve auto-update with semver comparison (prevents downgrades)
- Add updatedFrom tracking to report previous version after update
- Reduce initial update check delay from 30s to 5s
- Add agent version column to Hosts page table

Host Metrics:
- Add DiskIO stats collection (read/write bytes, ops, time)
- Improve disk filtering to exclude Docker overlay mounts
- Add RAID array monitoring via mdadm
- Enhanced temperature sensor parsing

Frontend:
- New Agent Version column on Hosts overview table
- Improved node modal with agent-first installation flow
- Add DiskIO display in host drawer
- Better responsive handling for metric bars
 2025-12-05 10:37:02 +00:00
rcourtman
72af7bed5e style: Apply gofmt to 37 files 
Standardize code formatting across test files and monitor.go.
No functional changes.
 2025-12-02 17:21:48 +00:00
rcourtman
0bcaa41499 test: Fix unreachable code warning in panic recovery test 
Refactor the test to avoid unreachable code after panic by
checking a flag set before the panic instead of after. This
resolves the go vet warning while maintaining test coverage.
 2025-12-02 16:30:31 +00:00
rcourtman
6a29e20b5e perf: Cache err.Error() in storage timeout error handling 
Cache err.Error() result in two locations:
- monitor.go: storage query retry logic (2x calls to 1)
- monitor_polling.go: storage timeout handling (2x calls to 1)
 2025-12-02 15:39:37 +00:00
rcourtman
5d2eca3660 perf: Cache err.Error() in disk monitoring error handling 
Compute err.Error() once and reuse errStr instead of calling Error()
four times when checking disk monitoring error types.
 2025-12-02 15:37:48 +00:00
rcourtman
8f5b258424 perf: Cache lowercase error string in guest agent error handling 
Compute strings.ToLower(errStr) once and reuse errStrLower instead of
calling ToLower three times on the same string in permission check.
 2025-12-02 15:26:40 +00:00
rcourtman
b47a04aa97 perf: Use strconv.Itoa instead of fmt.Sprintf for int conversion 
strconv.Itoa is faster than fmt.Sprintf("%d", ...) because it doesn't
need to parse a format string. Changed 4 occurrences in monitoring
package where integers are converted to strings.
 2025-12-02 15:21:41 +00:00
rcourtman
ac4e48fa4a fix: Properly show disabled storage status from Proxmox 
Storage that is disabled in Proxmox (Datacenter > Storage > enabled=no)
was incorrectly showing as "available" in Pulse. The issue was that
Enabled/Active fields defaulted to true and were never set to false
from the per-node API response.

Now the model correctly initializes Enabled/Active from the Proxmox
per-node storage API response, and the status determination prioritizes
checking the disabled state first.

Related to #796
 2025-12-02 15:03:40 +00:00
rcourtman
c1d98e6aa8 refactor: Remove unreachable dead code branches 
- errors.isRetryable: Convert final case to default (all ErrorType values covered)
- scheduler.SelectInterval: Remove bounds checks after mathematical computation
  that guarantees target ∈ [min, max]

Both functions now at 100% coverage.
 2025-12-02 14:48:57 +00:00
rcourtman
2453198f62 refactor: Remove unreachable dead code branches 
- firstForwardedValue: strings.Split always returns at least one element
- shouldRunBackupPoll: remaining is always >= 1 by math
- convertContainerDiskInfo: lowerLabel is never empty for non-rootfs

All three functions now at 100% coverage.
 2025-12-02 14:41:53 +00:00
rcourtman
3f8455dfa9 test: Add DispatchDue enqueue error test for monitoring package 2025-12-02 14:21:25 +00:00
rcourtman
80739cce94 test: Add rescheduleTask tests for monitoring package 
Add comprehensive tests for the rescheduleTask function covering:
- Nil taskQueue handling (early return)
- Successful task outcome (regular rescheduling)
- Transient failure with backoff
- Non-transient failure routing to dead letter queue
- Exceeded retry attempts routing to dead letter queue
- No outcome uses default interval
- PBS and PMG instance type intervals
- Adaptive polling max interval capping
- Existing interval preservation

Coverage: rescheduleTask 32.1% → 58.9%
Coverage: monitoring package 52.8% → 53.5%
 2025-12-02 12:38:50 +00:00
rcourtman
fc96ba7b69 test: Add WaitNext and key() tests for TaskQueue 
Tests cover context cancellation, immediately due tasks, waiting for
future tasks, empty queue timeout, and multiple task priority ordering.
WaitNext coverage 0%→92.3%, key() 0%→100%. Monitoring package 52.3%→52.9%.
 2025-12-02 12:02:13 +00:00
rcourtman
e63c297ca3 test: Add BuildPlan, FilterDue, DispatchDue, LastScheduled tests 
Comprehensive tests for AdaptiveScheduler methods covering empty inventory,
single/multiple instances, priority ordering, interval clamping, task caching,
nil receiver handling, and task filtering. Monitoring package 51.4%→52.3%.
 2025-12-02 11:59:37 +00:00
rcourtman
ea120b78d7 test: Add RecordNodeResult, RecordQueueWait, SetQueueDepth tests 
Improves metrics.go coverage to 100%. Added comprehensive tests for
node-level poll metrics, queue wait time recording, and queue depth
setting with edge cases (nil receiver, negative values, label normalization).
 2025-12-02 11:57:05 +00:00
rcourtman
42e7359506 test: Add describeInstancesForScheduler tests 
Add 6 tests for instance descriptor generation:
- No clients returns nil
- PVE only with sorted order
- PBS only
- PMG only
- All types combined
- Nil scheduler/stalenessTracker safety

Coverage: 60.7% → 62.5%
 2025-12-02 02:11:14 +00:00
rcourtman
2d09c28129 test: Add recordTaskResult tests 
Add 6 tests for polling task result recording:
- Nil monitor safety check
- Success case resets counters
- Failure case increments counters
- Consecutive failures tracking
- Success resets failure state
- Nil internal maps don't panic

Coverage: 53.7% → 97.6%
 2025-12-02 02:06:08 +00:00
rcourtman
67d322c456 test: Add ApplyHostReport error path tests 
Add 4 tests for error and edge cases:
- Missing hostname returns error
- Whitespace-only hostname returns error
- Nil hostTokenBindings map is initialized
- Fallback identifier generation

Coverage: 63.7% → 70.8%
 2025-12-02 02:03:03 +00:00
rcourtman
7c94f3001e test: Add ApplyDockerReport error path tests 
Add 4 tests for error conditions:
- Missing identifier (no agent ID or hostname)
- Removed host rejection
- Token bound to different agent
- Missing hostname

Coverage: 63.0% → 69.5%
 2025-12-02 02:00:06 +00:00
rcourtman
781f72c953 test: Add RemoveHostAgent error path tests 
Add 4 tests for uncovered branches:
- Empty/whitespace hostID returns error
- Host not found returns synthetic host
- No token binding (token exists but not bound)
- Nil alertManager doesn't panic

Coverage: 64.3% → 78.6%
 2025-12-02 01:56:50 +00:00
rcourtman
e07bd834b6 Filter virtual/system filesystems from host disk display 
Host disk bars were showing virtual filesystems like tmpfs, /dev, /run,
/sys, and Docker overlay mounts. These clutter the UI and don't represent
meaningful disk usage.

Changed from `shouldIgnoreReadOnlyFilesystem` (read-only only) to the
full `fsfilters.ShouldSkipFilesystem` which also excludes:
- Virtual FS types: tmpfs, devtmpfs, sysfs, proc, cgroup, etc.
- Special mountpoints: /dev, /proc, /sys, /run, /var/lib/docker, /snap
- Network filesystems: fuse, nfs, cifs, etc.

Related to #790
 2025-12-02 00:16:39 +00:00
rcourtman
7c27a74c42 test: Add comprehensive tests for PBS snapshot conversion 
Add 13 test cases for convertPBSSnapshots covering:
- Empty/nil input handling
- Basic snapshot field mapping
- Files as string array
- Files as object array with filename field
- Invalid file objects ignored gracefully
- Verification status as string ("ok" vs other)
- Verification status as object with state field
- Verification object without state field
- Multiple snapshots with unique IDs
- Empty namespace handling in ID generation
- Container (ct) backup type

Coverage: convertPBSSnapshots 0% -> 100%
 2025-12-01 22:23:47 +00:00
rcourtman
b403cdd7b7 test: Add comprehensive tests for convertDockerTasks function 
- Test nil input returns nil
- Test empty slice returns nil
- Test single task with all fields populated
- Test task with error state (failed tasks)
- Test multiple tasks conversion
- Test nil time pointers preserved as nil
- Test zero time values converted to nil (defensive handling)
- Test all optional time fields (UpdatedAt, StartedAt, CompletedAt)

Improves monitoring package coverage for Docker Swarm task handling.
 2025-12-01 22:13:43 +00:00
rcourtman
cb683597c6 test: Add tests for GPU temperature parsing functions 
- parseGPUTemps: AMD GPU edge/junction/mem temperatures, sensor mapping
- parseNouveauGPUTemps: NVIDIA nouveau GPU core temperature parsing
- Case insensitive sensor name matching
- Invalid/zero/negative temperature handling
- Append behavior for multiple GPUs
 2025-12-01 21:56:33 +00:00
rcourtman
334cffb1c7 test: Add tests for monitor helper and metrics functions 
- clearGuestMetadataCache: nil safety, cache clearing, key isolation
- shouldRunBackupPoll: interval-based, cycle-based, config validation
- storeNodeLastSuccess/lastNodeSuccessFor: store/retrieve, overwrite, missing keys

Improves coverage for backup polling logic and node metrics tracking.
 2025-12-01 21:18:33 +00:00
rcourtman
8198e1d839 test: Add comprehensive tests for guest metadata functions 
Tests for rate limiting, retry, and slot management:
- retryGuestAgentCall: timeout retry, non-timeout break, context cancellation
- acquireGuestMetadataSlot: nil safety, slot acquisition, context cancellation
- releaseGuestMetadataSlot: nil safety, non-blocking release
- tryReserveGuestMetadataFetch: reservation logic, default hold duration
- scheduleNextGuestMetadataFetch: interval, jitter, RNG handling
- deferGuestMetadataRetry: backoff logic, defaults

Covers error handling and edge cases in guest agent metadata fetching.
 2025-12-01 21:10:28 +00:00
rcourtman
a3eb81778f test: Add table-driven tests for parseSensorsJSON 
Comprehensive coverage for temperature sensor JSON parsing:
- Empty/whitespace input handling
- Invalid JSON error handling
- Legacy and wrapper format support
- Multiple chip types: coretemp, k10temp, acpitz, nvme, amdgpu, nouveau, zenpower, nct6795, it87, rp1_adc
- Edge cases: non-map chip data, CPUMax calculation from cores
 2025-12-01 21:00:46 +00:00
rcourtman
1af38e3f99 test: Add tests for parseContainerMountMetadata, convertContainerDiskInfo, StalenessScore 
- parseContainerMountMetadata: parts without equals, mountpoint key variant,
  whitespace handling, single source value (96.4% -> 100%)
- convertContainerDiskInfo: nil metadata, device from metadata, negative free
  clamping, whitespace label handling (95.1% -> 97.6%, remaining is dead code)
- StalenessScore: negative maxStale default, metrics lookup failure, score
  clamping edge cases (95.7% - remaining is defensive dead code)
 2025-12-01 20:44:00 +00:00
rcourtman
ed0644035f test: Add tests for sanitizeGuestAddressStrings, parseContainerConfigNetworks, mergeNVMeTempsIntoDisks 
- sanitizeGuestAddressStrings: IPv6 loopback with CIDR (::1/128) edge case
  (96.2% -> 100%)
- parseContainerConfigNetworks: parts without equals, mac/ips/ip6addr/ip6prefix
  key variants, whitespace-only values, all-empty results (97.2% -> 100%)
- mergeNVMeTempsIntoDisks: NVMe disk with no legacy temps (continue branch),
  more disks than temps (break branch) (97% -> 100%)
 2025-12-01 20:34:48 +00:00
rcourtman
4e33b396e0 test: Add tests for normalizeEndpointHost, SelectInterval, generateDockerHostIdentifier 
- normalizeEndpointHost: port-only URL host (parsed.Host fallback),
  edge cases for URL parsing (94.4% -> 100%)
- SelectInterval: negative penalty, instance key derivation, clamping
  edge cases (96% - remaining is unreachable dead code guards)
- generateDockerHostIdentifier: empty base fallbacks, suffix candidates,
  hash suffix, numeric suffix increments (91.7% -> 100%)
 2025-12-01 20:26:21 +00:00
rcourtman
4c91dce2f8 test: Add tests for allow, ensureContainerRootDiskEntry; remove dead code 
- allow (circuitBreaker): all states including unknown/default branch,
  open→half-open transition, half-open window timing (93.8% -> 100%)
- ensureContainerRootDiskEntry: nil container, existing disks, used>total
  clamping, negative free clamping, usage calculation (92.3% -> 100%)
- convertPoolInfoToModel: removed unreachable nil check (dead code since
  ConvertToModelZFSPool only returns nil for nil receiver) (88.9% -> 100%)
 2025-12-01 20:15:32 +00:00
rcourtman
0a9177f161 test: Add tests for lookupClusterEndpointLabel, GetNodeMetrics, stateDetails 
- lookupClusterEndpointLabel: nil instance, no match, Host vs IP fallback,
  case-insensitive NodeName, whitespace handling (84.6% -> 100%)
- GetNodeMetrics: unknown metric types, empty nodeID, zero duration,
  empty metrics data, disk type (94.1% -> 100%)
- stateDetails: all breaker states including unknown/invalid state,
  retryAt calculations, timestamps (90% -> 100%)
 2025-12-01 20:07:22 +00:00
rcourtman
2fdc051c11 fix: Make parseNVMeTemps deterministic by checking Composite before Sensor 1 
Go map iteration order is non-deterministic, causing flaky test failures.
This fix ensures "Composite" sensor is always preferred over "Sensor 1"
by checking them in separate loops rather than relying on iteration order.
 2025-12-01 20:03:05 +00:00
rcourtman
f79d20296b test: Add tests for GetGuestMetrics, mergeSnapshot, getDockerCommandPayload 
- GetGuestMetrics: all metric types, duration filtering, guest not found,
  unknown metric type, empty data (81% -> 100%)
- mergeSnapshot: timestamp merging for LastSuccess/LastError/LastMutated,
  ChangeHash preservation (86.7% -> 100%)
- getDockerCommandPayload: empty hostID, whitespace normalization, host
  not found, expired command cleanup, queued->dispatched marking,
  already-dispatched preservation (91.3% -> 100%)
 2025-12-01 19:58:43 +00:00
rcourtman
196389853e test: Add tests for StalenessScore, parseCPUTemps, queueDockerStopCommand 
- StalenessScore: 78.3%→95.7% (4 cases for metrics, future timestamp, defaults)
- parseCPUTemps: 98.1%→100% (core temp exceeding package case)
- queueDockerStopCommand: 76.9%→100% (12 cases for validation, status checks)
 2025-12-01 19:50:42 +00:00
rcourtman
2594a6c124 test: Add tests for handleProxyHostFailure, recordNodeSnapshot, evaluateHostAgents 
- handleProxyHostFailure: 76.5%→100% (9 cases for per-host failure tracking)
- recordNodeSnapshot: 75%→100% (6 cases for diagnostic snapshot storage)
- evaluateHostAgents: 87%→100% (10 cases for host health evaluation)
 2025-12-01 19:40:32 +00:00
rcourtman
c6a34c4412 test: Add tests for handleProxyFailure, parseRPiTemperature, RecordResult 
- handleProxyFailure: 86.7%→100% (6 cases for proxy disable threshold logic)
- parseRPiTemperature: 77.8%→100% (7 cases for RPi temp parsing edge cases)
- RecordResult: 95.8%→100% (negative staleness clamping case)
 2025-12-01 19:33:06 +00:00
rcourtman
1f380eaaf3 test: Add tests for isProxyEnabled, taskHeap.Pop, NewAdaptiveScheduler 
- isProxyEnabled: 94.4%→100% (7 cases for proxy cooldown/restore logic)
- taskHeap.Pop: 87.5%→100% (3 cases for empty/single/multi-element heap)
- NewAdaptiveScheduler: 84.6%→100% (14 cases for default value handling)
 2025-12-01 19:26:37 +00:00
rcourtman
0ed84f3179 test: Add tests for disableLegacySSHOnAuthFailure, parseNVMeTemps, updateDeadLetterMetrics 
- disableLegacySSHOnAuthFailure: 87.5%→100% (13 cases for auth error detection)
- parseNVMeTemps: 88.9%→100% (16 cases for NVMe temp parsing)
- updateDeadLetterMetrics: 75%→100% (6 cases for nil handling, queue states)
 2025-12-01 19:20:09 +00:00
rcourtman
7bab2f86af test: Add tests for AllowDockerHostReenroll, SelectInterval, ensureBreaker 
- AllowDockerHostReenroll: 95%→100% (7 cases for empty/blocked/cleanup paths)
- ensureBreaker: 94.4%→100% (6 cases for nil map, existing, custom config)
- SelectInterval: 94%→96% (20+ cases for edge cases, remaining guards unreachable)
 2025-12-01 19:13:40 +00:00
rcourtman
e7bc06033a test: Add tests for convertDockerSwarmInfo, namespacePathsForDatastore, preserveFailedStorageBackups 
- convertDockerSwarmInfo: 66.7%→100% (4 cases for nil, empty, populated structs)
- namespacePathsForDatastore: 92.3%→100% (removed unreachable dead code)
- preserveFailedStorageBackups: 91.3%→100% (6 cases for filtering, deduplication)
 2025-12-01 19:04:23 +00:00
rcourtman
0bfc9ed447 test: Add tests for storageNamesForNode, GetDockerHost, and SchedulerHealth edge cases 
- storageNamesForNode: 83.3%→100% (8 cases for filtering logic)
- GetDockerHost: 75%→100% (5 cases for lookup and whitespace handling)
- SchedulerHealth: 85.3%→89.1% (13 cases for nil handling, breaker key parsing)
 2025-12-01 18:57:09 +00:00
rcourtman
2d775e9409 test: Add tests for polling interval, proxy success handlers, and failed instance removal 
- effectivePVEPollingInterval: 80%→100% (6 cases for nil/clamping)
- handleProxySuccess: 80%→100% (3 cases for nil client, reset)
- handleProxyHostSuccess: →100% (6 cases for empty/whitespace/removal)
- removeFailedPBSNode: 75%→100% (5 cases for removal, backups, health)
- removeFailedPMGInstance: 75%→100% (5 cases for removal, backups, health)
 2025-12-01 18:49:09 +00:00
rcourtman
acb7f4cf3a test: Add tests for normalizeEndpointHost, taskExecutionTimeout, decrementPending 
- normalizeEndpointHost: 89%→94.4% (19 cases covering schemes, ports, paths, edge cases)
- taskExecutionTimeout: 83%→100% (4 cases covering defaults and custom timeouts)
- decrementPending: 88%→100% (5 cases covering decrement logic and no-op scenarios)
 2025-12-01 18:42:57 +00:00
rcourtman
6183727368 test: Add tests for getNodeDisplayName, lookupClusterEndpointLabel, extractSnapshotName 
- getNodeDisplayName: 71%→100% (12 tests covering cluster/non-cluster fallbacks)
- lookupClusterEndpointLabel: 77%→85% (14 tests covering endpoint matching)
- extractSnapshotName: 78%→100% (8 tests covering volid parsing)

Monitoring package 46.2%→46.4%
 2025-12-01 18:37:27 +00:00
rcourtman
330cec7829 test: Add tests for clampUint64ToInt64 and resetAuthFailures 
- clampUint64ToInt64: 67%→100% (5 tests covering boundary conditions)
- resetAuthFailures: 67%→100% (6 tests covering map cleanup logic)

Note: cloneStringFloatMap and cloneStringMap tests already existed.
 2025-12-01 18:31:34 +00:00
rcourtman
7672cad174 test: Add tests for SetBreakerState, RecordResult, ResetQueueDepth, IncInFlight, DecInFlight 
- SetBreakerState: 67%→100% (8 tests covering state conversion, retryAt clamping)
- RecordResult: 75%→96% (11 tests covering success/failure paths, staleness)
- ResetQueueDepth: 75%→100% (4 tests covering negative clamping)
- IncInFlight/DecInFlight: 67%→100% (4 tests)

Monitoring package 45.9%→46.2%
 2025-12-01 18:27:05 +00:00
rcourtman
44b6745741 test: Add tests for recordAuthFailure, shouldSkipProxyHost, recoverFromPanic 
- recordAuthFailure: 53%→100% (8 tests covering failure counting, node removal)
- shouldSkipProxyHost: 44%→100% (9 tests covering cooldown logic, state cleanup)
- recoverFromPanic: 50%→100% (7 tests covering various panic value types)

Monitoring package 45.3%→45.9%
 2025-12-01 18:20:12 +00:00
rcourtman
b4fb5d2a6a test: Add tests for mergeNVMeTempsIntoDisks, UpdateQueueSnapshot, UpdateDeadLetterCounts, templateFuncMap 
- mergeNVMeTempsIntoDisks: 57%→97% (14 tests covering WWN/serial/path matching, NVMe fallback)
- UpdateQueueSnapshot: 57%→100% (5 tests covering nil, gauges, stale key cleanup)
- UpdateDeadLetterCounts: 52%→100% (7 tests covering aggregation, normalization)
- templateFuncMap: 20%→100% (8 tests covering all template helper functions)

Monitoring 44.6%→45.3%, notifications 45.7%→45.9%
 2025-12-01 18:14:43 +00:00
rcourtman
0803951854 test: Add tests for getInstanceConfig, baseIntervalForInstanceType, LoadOIDCConfig 
- getInstanceConfig: 33%→100% (nil handling, case-insensitive matching)
- baseIntervalForInstanceType: 50%→100% (all instance types, clamping)
- LoadOIDCConfig: 35%→94% (file not exist, read errors, decryption)
 2025-12-01 18:06:15 +00:00