#5464 "Group rules: one rule covers every host, or every host in a group",
step 2 of milestone 499 "Alerts you can trust". Each rule named one host, so
the live instance carried six rules for three hosts, and a new host had no
agent-offline or disk alert until someone copied them.
- alert_rules.covers / cover_group / parent_id (migration 0041). A rule on
host_agent may cover "all_hosts" or a "group" (an inventory group: the
Hosts ruling, #5294). A covering rule has no state; Steward keeps one
ordinary child rule per covered host, named "<rule>: <host>", so each
host's alert keeps its own state, history and acknowledgement.
- alerts.service.reconcile_children: a covered host that has reported in
the last 7 days gets a child; a host no longer covered loses its child;
children take the parent's condition, checks, notify setting, action and
on/off. Run on save and each minute (alert_reconcile).
- A child is changed through its parent: edit, toggle and delete of a child
are refused (409 / PartOfCoveringRule); its edit page opens the parent.
- Rule form: a Covers choice for host sources, with the group picker; fixed
once the rule exists. Rules list: a covering rule reads "every host in
swarm · 3 hosts" with its hosts' rules nested under it, each opening its
history. The history picker and the rule count leave covering rules out.
- MCP: create_alert_rule takes covers/group; update_alert_rule takes group
and passes changes down; list_alert_rules shows covers, hosts and part_of.
- docs/core/alerting.md: "Rules that cover hosts".
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
#5463 "Acknowledgements on record: an event and who did it", step 1 of
milestone 499 "Alerts you can trust". The live walk in #5461 found that
acknowledging changed only the alert's current state: once it resolved,
nothing said who had acknowledged it or when.
- alert_events.actor_id (migration 0040): the person behind a transition.
- Acknowledging writes a firing → acknowledged event by the acknowledger.
- A rule edit, disable or enable that resets an alert carries its actor
(web and MCP alike).
- The history page notes "acknowledged by X" and "rule disabled by X"; MCP
get_alert_history returns `by`.
- One usernames() helper in alerts.service, used by the active list, the
history page and the MCP tools.
- docs/core/alerting.md: the state diagram no longer shows an acknowledged
alert re-firing, and says what an event records.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Agent offline is an ordinary rule now. The host_agent scheduler records
host_agent/<host>/seconds_since_seen every minute (from last_seen_at, or
registration time for an agent that never reported), replacing the task
that only logged stale agents. The catalog offers the metric, and picking
it on a new rule fills "> 180".
No data: each rule's state tracks its last sample and its usual gap,
smoothed so that an outage counts as at most three gaps. A core task,
alert_silence_check, runs every 60s and marks a rule no_data_since once its
series has had no sample for three usual gaps (at least 5 minutes; an hour
while the cadence is unknown). A never-sampled rule counts from when it
started watching. The mark sits beside the state, so a firing alert that
goes silent stays firing. Each silence records one event and sends one
notification (rule option notify_no_data, default on; muted in maintenance
windows). The next sample clears it with a "data resumed" event and
notification. Creating, changing, disabling or re-enabling a rule restarts
its watch.
Migration 0029 adds the columns and seeds each existing rule's last sample
and gap from its last day of data, so an upgrade does not flag every rule.
Shown on the Alerts page (a NO DATA badge with its start time), in MCP
list_alerts, list_alert_rules and get_host (state "no_data", no_data_since),
in get_overview findings (alert_no_data, or a firing alert marked silent)
and in the weekly report. The rule form has the notify option, and its
metric reference now matches what traefik records and lists host_agent.
Emails say "no data" and carry the event's note.
The metric-catalog guard also reads positional MetricBatch.add arguments.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
#5059 "Alert state machine: acknowledgement holds until resolve; N
consecutive OK to resolve; editing, disabling or deleting a rule resets it".
- The state machine is now next_step(), a pure function of one sample. An
acknowledged alert stays acknowledged while breached; before, the next
breaching sample re-fired it. Firing and acknowledged alerts resolve after
consecutive_ok_required OK checks in a row (new rule column, default 1;
rule form, rules list and MCP create/update_alert_rule clear_after_checks).
- Changing what a rule watches (source, resource, metric, operator,
threshold) or disabling it resets its alert to inactive; a firing or
acknowledged one records a resolved event whose new note says why, and
nobody is notified. Web and MCP edits share alerts.service.apply_rule_change.
- Migration 0028: consecutive_ok_required, consecutive_ok_count,
alert_events.note, and metric_value nullable (a reset has no sample).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The alertoperator Postgres enum (migration 0002) was created with the operator
VALUES as labels ('>', '<', …), but the model's Enum(AlertOperator) defaulted to
persisting enum-member NAMES ('gt', 'lt', …) — so inserting any AlertRule against
real Postgres raised 'invalid input value for enum alertoperator: "gt"'. Never
caught because unit tests mock the DB and no integration test inserted a rule
until task 250's. Add values_callable so the ORM round-trips the values.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Rebuilds the deleted NUT/UPS automation as a general alert action: any metric
can drive a playbook run on transition-to-firing.
- models/alerts.py + migration 0014: AlertRule.ansible_action (JSON, admin-only,
reuses the #546 param shape); AlertEvent.ansible_run_id links a firing event to
the run it triggered
- core/alerts.py: pure alert_extra_vars() injects steward_alert_* context; on
('firing', event) with an action set, schedule _run_ansible_action (deferred
after commit, same pattern as notifications) — fires once per transition,
consecutive_failures_required is the debounce; system-triggered AnsibleRun
- alerts/routes.py: admin-only parse/validate of the action (source must be
configured, playbook must exist); operators keep editing rules, action preserved
- rules_form.html: admin-only 'On firing -> run a playbook' section
- tests: unit for alert_extra_vars; integration drives record_metric to firing
and asserts a system AnsibleRun ran the playbook with the injected var and the
event linked to it
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Renames the Python package directory, CLI command, env var prefix,
docker-compose service/container/image, Postgres role/db, and all
visible branding. Marketing form is "Fabled Steward".
Clean break from the previous rebrand: drops the fabledscryer→roundtable
import shim in __init__.py and the FABLEDSCRYER_* env var fallback in
config.py and migrations/env.py. Env vars are now STEWARD_* only.
Heads-up for existing deployments:
- Postgres user/db renamed fabledscryer → steward in docker-compose.yml.
Existing volumes need the role/db renamed inside Postgres, or override
POSTGRES_USER/POSTGRES_DB to keep the old names.
- Host-agent systemd unit is now steward-agent.service. Existing agents
keep running under the old name; reinstall to switch.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
bvandeusenandClaude Opus 5.5