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the classifier alert also fires on an undecodable request and an unpublished reply

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atlas 2026-11-11 21:54:03 +01:00 • committed by mara
commit 8847fa48c9
2 changed files with 26 additions and 17 deletions
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16
nix/host-modules/swarm-grafana.nix
View file

@ -1627,18 +1627,20 @@ in
for = "0s";
summary = "{{ $labels.hive }}/{{ $labels.agent }} could not connect to the swarm queue and its harness exited; systemd starts it again 30s later";
})
# `swarm-review-classifier` logs this at `warn` when a run
# ends without a verdict (a rejected or unreadable API key,
# a failed model call), so that PR has no classifier
# review. The cause is in `F_ERROR`. The window is how long
# the rule stays firing after the last failure.
# A run that ends without a verdict leaves that PR with no
# classifier review. `swarm-review-classifier` logs four
# `warn` lines for it: `review classification run failed`
# (a rejected or unreadable API key, a failed model call;
# the cause is in `F_ERROR`), an undecodable request, and a
# reply it could not encode or publish. The window is how
# long the rule stays firing after the last one.
(logCountRule {
uid = "hh-review-classifier-run-failed";
title = "review classifier run failed";
windowSeconds = 1800;
expr = ''_time:30m _msg:"review classification run failed" | stats count() as failures'';
expr = ''_time:30m (_msg:"review classification run failed" OR _msg:"an undecodable try-out; answering with the error" OR _msg:"encoding a try-out's reply failed" OR _msg:"publishing a try-out's reply failed") | stats count() as failures'';
for = "0s";
summary = "a review-classifier run ended without a verdict, so that PR has no classifier review; the cause is in the F_ERROR field of the log line";
summary = "a review-classifier run ended without a verdict, so that PR has no classifier review; the log line names the cause (F_ERROR on a failed run)";
})
(logCountRule {
uid = "hh-swarm-agent-state-publish-skipped";

15
nix/module-eval/grafana.nix
View file

@ -860,9 +860,9 @@ let
&& lib.hasInfix "stats by (hive, agent)" expr;
}
{
# A failed classifier run is visible only as this log line, so a
# misspelled `_msg` provisions cleanly and never fires. The literal is
# checked against the logging call's source.
# A classifier run without a verdict is visible only as these log
# lines, so a misspelled `_msg` provisions cleanly and never fires.
# Each literal is checked against the logging calls' source.
name = "the review-classifier failed-run alert rule matches the classifier's log message";
ok =
let
@ -872,10 +872,15 @@ let
rule = lib.findFirst (r: r.uid == "hh-review-classifier-run-failed") null rules;
expr = (lib.head rule.data).model.expr;
source = builtins.readFile ../../swarm-review-classifier/src/main.rs;
messages = [
"review classification run failed"
"an undecodable try-out; answering with the error"
"encoding a try-out's reply failed"
"publishing a try-out's reply failed"
];
in
rule != null
&& lib.hasInfix ''_msg:"review classification run failed"'' expr
&& lib.hasInfix ''"review classification run failed"'' source;
&& lib.all (m: lib.hasInfix "_msg:\"${m}\"" expr && lib.hasInfix "\"${m}\"" source) messages;
}
{
# The hive-health alerts query metric names that hive-c0re spells in