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collector dashboard: query the service.name the collectors emit, lint dashboard names

This commit is contained in:
atlas 2026-10-28 18:08:47 +01:00 • committed by mara
commit 181c42dae1
4 changed files with 107 additions and 25 deletions

View file

@ -71,6 +71,15 @@ jobs:
# nix-shell-for-one-tool shape the vale jobs below use.
run: nix shell --inputs-from . nixpkgs#jq --command sh scripts/check-dashboard-descriptions.sh
dashboard-service-names:
name: dashboard-service-name lint
if: vars.PUBLIC_FORGE != 'true'
runs-on: ${{ vars.PUBLIC_FORGE == 'true' && 'nixos' || 'hive-ci' }}
steps:
- uses: actions/checkout@v3
- name: lint
run: sh scripts/check-dashboard-service-names.sh
shellcheck:
name: shellcheck
if: vars.PUBLIC_FORGE != 'true'

View file

@ -1,7 +1,7 @@
{
"title": "hyperhive \u00b7 collector (self-telemetry)",
"uid": "hyperhive-swarm-collector",
"description": "What the OTEL collectors accept, refuse, export and queue.",
"description": "What the OTEL collectors accept, refuse, export and queue. Port 8888 is the hive, 8889 swarm-otel.",
"editable": true,
"refresh": "1m",
"schemaVersion": 39,
@ -35,7 +35,7 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "sum(increase({__name__=~\"otelcol_receiver_(refused|failed)_(metric_points|log_records|spans)(_total)?\", \"service.name\"=\"collector\"}[$__range])) or vector(0)",
"expr": "sum(increase({__name__=~\"otelcol_receiver_(refused|failed)_(metric_points|log_records|spans)(_total)?\", \"service.name\"=\"otelcol-contrib\"}[$__range])) or vector(0)",
"instant": true,
"legendFormat": "refused"
}
@ -99,7 +99,7 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "sum(increase({__name__=~\"otelcol_exporter_(send|enqueue)_failed_(metric_points|log_records|spans)(_total)?\", \"service.name\"=\"collector\"}[$__range])) or vector(0)",
"expr": "sum(increase({__name__=~\"otelcol_exporter_(send|enqueue)_failed_(metric_points|log_records|spans)(_total)?\", \"service.name\"=\"otelcol-contrib\"}[$__range])) or vector(0)",
"instant": true,
"legendFormat": "failed"
}
@ -163,7 +163,7 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "max(otelcol_exporter_queue_size{\"service.name\"=\"collector\"} / otelcol_exporter_queue_capacity{\"service.name\"=\"collector\"})",
"expr": "max(otelcol_exporter_queue_size{\"service.name\"=\"otelcol-contrib\"} / otelcol_exporter_queue_capacity{\"service.name\"=\"otelcol-contrib\"})",
"instant": true,
"legendFormat": "fill"
}
@ -230,7 +230,7 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "max({__name__=~\"otelcol_process_memory_rss(_bytes)?\", \"service.name\"=\"collector\"})",
"expr": "max({__name__=~\"otelcol_process_memory_rss(_bytes)?\", \"service.name\"=\"otelcol-contrib\"})",
"instant": true,
"legendFormat": "rss"
}
@ -289,8 +289,8 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "sum(rate({__name__=~\"otelcol_receiver_accepted_metric_points(_total)?\", \"service.name\"=\"collector\"}[$__rate_interval]))",
"legendFormat": "metric points"
"expr": "sum by (\"server.port\") (rate({__name__=~\"otelcol_receiver_accepted_metric_points(_total)?\", \"service.name\"=\"otelcol-contrib\"}[$__rate_interval]))",
"legendFormat": "{{server.port}} metric points"
},
{
"refId": "B",
@ -298,8 +298,8 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "sum(rate({__name__=~\"otelcol_receiver_accepted_log_records(_total)?\", \"service.name\"=\"collector\"}[$__rate_interval]))",
"legendFormat": "log records"
"expr": "sum by (\"server.port\") (rate({__name__=~\"otelcol_receiver_accepted_log_records(_total)?\", \"service.name\"=\"otelcol-contrib\"}[$__rate_interval]))",
"legendFormat": "{{server.port}} log records"
},
{
"refId": "C",
@ -307,8 +307,8 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "sum(rate({__name__=~\"otelcol_receiver_accepted_spans(_total)?\", \"service.name\"=\"collector\"}[$__rate_interval]))",
"legendFormat": "spans"
"expr": "sum by (\"server.port\") (rate({__name__=~\"otelcol_receiver_accepted_spans(_total)?\", \"service.name\"=\"otelcol-contrib\"}[$__rate_interval]))",
"legendFormat": "{{server.port}} spans"
}
],
"fieldConfig": {
@ -364,8 +364,8 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "sum by (receiver) (rate({__name__=~\"otelcol_receiver_(refused|failed)_(metric_points|log_records|spans)(_total)?\", \"service.name\"=\"collector\"}[$__rate_interval]))",
"legendFormat": "{{receiver}}"
"expr": "sum by (receiver, \"server.port\") (rate({__name__=~\"otelcol_receiver_(refused|failed)_(metric_points|log_records|spans)(_total)?\", \"service.name\"=\"otelcol-contrib\"}[$__rate_interval]))",
"legendFormat": "{{server.port}} {{receiver}}"
}
],
"fieldConfig": {
@ -421,8 +421,8 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "sum by (exporter) (rate({__name__=~\"otelcol_exporter_sent_(metric_points|log_records|spans)(_total)?\", \"service.name\"=\"collector\"}[$__rate_interval]))",
"legendFormat": "{{exporter}}"
"expr": "sum by (exporter, \"server.port\") (rate({__name__=~\"otelcol_exporter_sent_(metric_points|log_records|spans)(_total)?\", \"service.name\"=\"otelcol-contrib\"}[$__rate_interval]))",
"legendFormat": "{{server.port}} {{exporter}}"
}
],
"fieldConfig": {
@ -478,8 +478,8 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "sum by (exporter) (rate({__name__=~\"otelcol_exporter_(send|enqueue)_failed_(metric_points|log_records|spans)(_total)?\", \"service.name\"=\"collector\"}[$__rate_interval]))",
"legendFormat": "{{exporter}}"
"expr": "sum by (exporter, \"server.port\") (rate({__name__=~\"otelcol_exporter_(send|enqueue)_failed_(metric_points|log_records|spans)(_total)?\", \"service.name\"=\"otelcol-contrib\"}[$__rate_interval]))",
"legendFormat": "{{server.port}} {{exporter}}"
}
],
"fieldConfig": {
@ -535,8 +535,8 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "max by (exporter) (otelcol_exporter_queue_size{\"service.name\"=\"collector\"})",
"legendFormat": "{{exporter}} size"
"expr": "max by (exporter, \"server.port\") (otelcol_exporter_queue_size{\"service.name\"=\"otelcol-contrib\"})",
"legendFormat": "{{server.port}} {{exporter}} size"
},
{
"refId": "B",
@ -544,8 +544,8 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "max by (exporter) (otelcol_exporter_queue_capacity{\"service.name\"=\"collector\"})",
"legendFormat": "{{exporter}} capacity"
"expr": "max by (exporter, \"server.port\") (otelcol_exporter_queue_capacity{\"service.name\"=\"otelcol-contrib\"})",
"legendFormat": "{{server.port}} {{exporter}} capacity"
}
],
"fieldConfig": {
@ -600,8 +600,8 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "max({__name__=~\"otelcol_process_memory_rss(_bytes)?\", \"service.name\"=\"collector\"})",
"legendFormat": "rss"
"expr": "max by (\"server.port\") ({__name__=~\"otelcol_process_memory_rss(_bytes)?\", \"service.name\"=\"otelcol-contrib\"})",
"legendFormat": "{{server.port}} rss"
},
{
"refId": "B",
@ -609,8 +609,8 @@
"type": "prometheus",
"uid": "@datasourceUid@"
},
"expr": "max(otelcol_process_runtime_heap_alloc_bytes{\"service.name\"=\"collector\"})",
"legendFormat": "heap"
"expr": "max by (\"server.port\") (otelcol_process_runtime_heap_alloc_bytes{\"service.name\"=\"otelcol-contrib\"})",
"legendFormat": "{{server.port}} heap"
}
],
"fieldConfig": {

View file

@ -0,0 +1,67 @@
#!/bin/sh
# CI lint: every literal `"service.name"="<x>"` selector in a shipped grafana
# dashboard must name a service.name that something emits. A dashboard
# querying a name nobody sets renders empty panels with no error.
#
# `known` lists the emitted names, one `name|file|anchor` per line. The
# anchor is a fixed string that must still appear in that file, so an entry
# cannot outlive the code that sets the name. Regex selectors
# (`"service.name"=~"$service"`) are template variables and are not checked.
#
set -eu
dashboards_dir="nix/host-modules/swarm-grafana/dashboards"
# bao: `collectorServiceName` upserted on the store's collector.
# authelia, forgejo: `serviceName` of the journal forwarder in each module.
# swarm-controller: the resource of the controller's own metrics.
# otelcol-contrib: the unset default of the collector binary, which the hive
# collector and swarm-otel both run (`pkgs.opentelemetry-collector-contrib`)
# and which stamps their self-metrics.
known='bao|nix/host-modules/swarm-bao.nix|collectorServiceName = "bao"
authelia|nix/host-modules/swarm-authelia.nix|serviceName = "authelia"
forgejo|nix/host-modules/hive-forge/default.nix|serviceName = "forgejo"
swarm-controller|swarm-controller/src/vcs_metrics.rs|with_service_name("swarm-controller")
otelcol-contrib|nix/host-modules/otel.nix|package = pkgs.opentelemetry-collector-contrib'
violations=0
while IFS='|' read -r name file anchor; do
if ! grep -qF -- "$anchor" "$file" 2>/dev/null; then
violations=$((violations + 1))
printf '::error file=%s::service.name "%s" is listed as emitted but %s no longer contains: %s\n' \
"$file" "$name" "$file" "$anchor"
fi
done <<EOF2
$known
EOF2
names="$(printf '%s\n' "$known" | cut -d'|' -f1)"
checked=0
for f in "$dashboards_dir"/*.json; do
# The expr strings escape the quotes, so the raw file holds
# service.name backslash-quote-equals-backslash-quote name.
used_names="$(grep -oE '\\"service\.name\\"=\\"[^\\]+\\"' "$f" | sed -E 's/.*=\\"([^\\]+)\\"$/\1/' | sort -u || true)"
while IFS= read -r used; do
[ -n "$used" ] || continue
checked=$((checked + 1))
if ! printf '%s\n' "$names" | grep -qxF -- "$used"; then
violations=$((violations + 1))
printf '::error file=%s::queries service.name "%s", which nothing emits (known: %s)\n' \
"$f" "$used" "$(printf '%s' "$names" | tr '\n' ' ')"
fi
done <<EOF3
$used_names
EOF3
done
if [ "$checked" -eq 0 ]; then
echo 'check-dashboard-service-names: found zero service.name selectors — extractor or tree changed' >&2
exit 1
fi
if [ "$violations" -gt 0 ]; then
printf 'check-dashboard-service-names: %s violation(s)\n' "$violations" >&2
exit 1
fi
echo "check-dashboard-service-names: $checked selector name(s) checked, clean" >&2

View file

@ -39,5 +39,11 @@ if ! nix shell --inputs-from . nixpkgs#jq --command sh "$repo_root/scripts/check
exit 1
fi
echo "pre-push: running dashboard-service-name lint..." >&2
if ! sh "$repo_root/scripts/check-dashboard-service-names.sh"; then
echo "pre-push: dashboard-service-name lint FAILED — fix before pushing" >&2
exit 1
fi
echo "pre-push: lints passed ✓" >&2
exit 0