On startup, retry host resolution with exponential backoff (5s→60s) instead
of exiting when DNS fails. Add mutually exclusive -4 / -6 CLI flags to
restrict connections to IPv4 or IPv6 only.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Server sets request_update=1 in ACK when host.plugin_data is empty
- hbc: AsyncConnection.request_info_event; handle_ack sets it on request_update
- hbc: _info_plugin_refresh_loop clears InfoPlugin caches and resends on demand
- hbc_mini: same via _request_info event and _info_refresh_loop
- docs/USERS.md: document client-declared owner config key
- docs/PLUGIN_DEVELOPMENT.md: document server-initiated InfoPlugin refresh
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- owner: optional top-level config key in ~/.hbc.yaml / ~/.hbc.json
- Propagated into plugin configs at load time so os_info can include it
- os_info PLG data carries owner field when set
- udp: sets host.owner from os_info if not already configured server-side
- live.html: format event log timestamps as YYYY-MM-DD HH:MM:SS (24-hour)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
error_received() no longer sets _dead=True; it just closes the transport
so the existing retry loop in heartbeat_sender (hbc) and sendto (hbc_mini)
reopens the connection on the next interval. This allows hbc to recover
when it starts before network connectivity is established.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Add ComparisonOperator.NAGIOS ("nagios") that maps Nagios exit codes
directly to alert levels (0=OK 1=WARNING 2=CRITICAL 3=UNKNOWN) without
requiring numeric warning/critical thresholds. Hysteresis is bypassed for
discrete codes. Display template defaults to "{check_name}: {output}".
_format_display() handles None threshold_value gracefully.
Add nagios_runner.status_code as a built-in default threshold config so
nagios checks alert out of the box.
Also: fix alerts.html scrolling (override html,body), make hostname a link
to /plugins#<hostname>, remove overall_status/overall_status_code/plugin_count
from nagios_runner and hbc_mini, replace with computed worst-status in
plugins.html via nagiosWorstStatus() helper.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
memory_monitor / hbc_mini: ZFS ARC is reclaimable but not reflected in
MemAvailable by the Linux kernel (not in SReclaimable). Read ARC size
from /proc/spl/kstat/zfs/arcstats and add it to available memory before
computing memory_percent and memory_used. No-op on systems without ZFS.
cpu_monitor: report uptime_seconds via psutil.boot_time() (full client)
and /proc/uptime (hbc_mini).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Replace break-after-first-iteration with next(c for c in connections if
c.transport) so the message goes to the first connection that actually
has an open transport. Falls back to connections[0] if none are open
yet (sendto will attempt reopen), avoiding silent message loss when the
leading connection is still connecting.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Settings page: pass threshold_checker to http.start so the Threshold
Configurations section has data. Use threshold_checker's already-parsed
ThresholdConfig objects instead of re-parsing the raw nested YAML.
Named (non-default) configs now display only their explicit overrides
via threshold_raw_configs, not the full merged set with defaults.
hbc/hbc_mini: send boot and shutdown messages on first connection only
to avoid duplicate packets when multiple servers are configured.
Replace print("Daemonizing...") with logging.info so output goes to
syslog in daemon mode.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Sets dorestart and triggers a clean shutdown; os.execv re-execs
the process with the original arguments after cleanup.
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
- fix: matrix/sms_voipms notifications blocked the event loop on timeout;
make send_notification async, dispatch all channel drivers as non-blocking
tasks (asyncio.to_thread for sync drivers, asyncio.wait_for for async);
update all call sites to fire-and-forget via create_task
- feat: add /about page with version, runtime, uptime counter, and repo link
- fix: hbc_mini plugin data format now matches full hbc client so Host
Overview displays memory, disk, and network metrics correctly
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
- scripts/hbc_mini.py: self-contained hbc with no external deps; uses
/proc for CPU/memory/network on Linux, df for disk, JSON config
- hbc + hbc_mini: mark connection _dead and stop sending on protocol error
- README: document hbc_mini usage, config, and plugin availability
- pyproject.toml: include hbc_mini.py in script-files
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
Andreas Wrede
andreas