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Fix dashboard stale series + enable Prometheus admin API

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Dashboard queries now use max() to pick UP value when old stale
probe targets coexist with new ones. Prometheus admin API enabled
for future TSDB cleanup of stale series.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
justin 2026-05-01 03:43:42 -05:00
parent 3194c71495
commit 15f5c267e7
2 changed files with 10 additions and 9 deletions
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1
docker-compose.yml
View file

@ -298,6 +298,7 @@ services:
- --config.file=/etc/prometheus/prometheus.yml
- --storage.tsdb.retention.time=90d
- --web.enable-lifecycle
- --web.enable-admin-api
extra_hosts:
- "host.docker.internal:host-gateway"
restart: unless-stopped

18
monitoring/pw-services-dashboard.json
View file

@ -24,15 +24,15 @@
},
"options": { "reduceOptions": { "calcs": ["lastNotNull"] }, "graphMode": "none", "colorMode": "background", "textMode": "auto" },
"targets": [
{ "expr": "probe_success{job='pw_api_prod'}", "legendFormat": "API", "datasource": { "type": "prometheus" } },
{ "expr": "probe_success{job='pw_site_prod'}", "legendFormat": "Site", "datasource": { "type": "prometheus" } },
{ "expr": "probe_success{job='pw_workers'}", "legendFormat": "Workers", "datasource": { "type": "prometheus" } },
{ "expr": "probe_success{job='pw_erpnext'}", "legendFormat": "ERPNext", "datasource": { "type": "prometheus" } },
{ "expr": "probe_success{job='pw_minio'}", "legendFormat": "MinIO", "datasource": { "type": "prometheus" } },
{ "expr": "probe_success{job='pw_listmonk'}", "legendFormat": "Listmonk", "datasource": { "type": "prometheus" } },
{ "expr": "probe_success{job='pw_ollama'}", "legendFormat": "Ollama", "datasource": { "type": "prometheus" } },
{ "expr": "probe_success{job='pw_umami'}", "legendFormat": "Umami", "datasource": { "type": "prometheus" } },
{ "expr": "probe_success{job='pw_forgejo'}", "legendFormat": "Forgejo", "datasource": { "type": "prometheus" } },
{ "expr": "max(probe_success{job='pw_api_prod'})", "legendFormat": "API", "datasource": { "type": "prometheus" } },
{ "expr": "max(probe_success{job='pw_site_prod'})", "legendFormat": "Site", "datasource": { "type": "prometheus" } },
{ "expr": "max(probe_success{job='pw_workers'})", "legendFormat": "Workers", "datasource": { "type": "prometheus" } },
{ "expr": "max(probe_success{job='pw_erpnext'})", "legendFormat": "ERPNext", "datasource": { "type": "prometheus" } },
{ "expr": "max(probe_success{job='pw_minio'})", "legendFormat": "MinIO", "datasource": { "type": "prometheus" } },
{ "expr": "max(probe_success{job='pw_listmonk'})", "legendFormat": "Listmonk", "datasource": { "type": "prometheus" } },
{ "expr": "max(probe_success{job='pw_ollama'})", "legendFormat": "Ollama", "datasource": { "type": "prometheus" } },
{ "expr": "max(probe_success{job='pw_umami'})", "legendFormat": "Umami", "datasource": { "type": "prometheus" } },
{ "expr": "max(probe_success{job='pw_forgejo'})", "legendFormat": "Forgejo", "datasource": { "type": "prometheus" } },
{ "expr": "pg_up", "legendFormat": "PostgreSQL", "datasource": { "type": "prometheus" } }
]
},