feat(grafana): add UTxO RPC stale alert, dashboard panel, and manage infra-alerts contact point - #70
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…#infra-alerts contact point Adds staleness monitoring for UTxO RPC via its backing Dolos chain tip. UTxO RPC is a stateless proxy with no tip of its own, so it uses dolos_slot (the same Dolos tip metric already used in kupo.json): changes(dolos_slot[15m]) < 1 while Dolos is up means the tip is frozen and UTxO RPC is serving stale chain data. Adds grafana/alerts/demeter/utxorpc.json (group "UTxO RPC", folder "Demeter", rule "UTxO RPC backing Dolos is stale", for 10m, receiver #infra-alerts) and a "Dolos Slot Advancement (changes / 15m)" panel (id 20) to the UTxO RPC dashboard. Also manages the shared #infra-alerts contact point in Terraform (grafana-contact-points.tf) so alert rule groups no longer fail with 'receiver #infra-alerts does not exist'. The Slack webhook URL is read from the sops-encrypted config.yaml (grafana.cloud.slack_webhook_url); the grafana_alerts module now depends_on the contact point so it is created first. Signed-off-by: Tripura Repalle <tripura@blinklabs.io>
wolf31o2
approved these changes
Aug 25, 2026
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Closes: #69
Adds staleness monitoring for UTxO RPC via its backing Dolos chain tip. UTxO RPC is a stateless proxy with no tip of its own, so it uses dolos_slot (the same Dolos tip metric already used in kupo.json): changes(dolos_slot[15m]) < 1 while Dolos is up means the tip is frozen and UTxO RPC is serving stale chain data.
Adds grafana/alerts/demeter/utxorpc.json (group "UTxO RPC", folder "Demeter", rule "UTxO RPC backing Dolos is stale", for 10m, receiver #infra-alerts) and a "Dolos Slot Advancement (changes / 15m)" panel (id 20) to the UTxO RPC dashboard.
Also manages the shared #infra-alerts contact point in Terraform (grafana-contact-points.tf) so alert rule groups no longer fail with 'receiver #infra-alerts does not exist'. The Slack webhook URL is read from the sops-encrypted config.yaml (grafana.cloud.slack_webhook_url); the grafana_alerts module now depends_on the contact point so it is created first.