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fix(alerting): de-page thundermail-ticket-spike-monitor (ArgoCD Degraded) #30

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Merged
aatchison merged 1 commit into from
Jun 29, 2026
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fix(alerting): de-page thundermail-ticket-spike-monitor (ArgoCD Degraded) #30

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6 changes: 5 additions & 1 deletion terraform/alerting-catalog-paging.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -1211,6 +1211,10 @@ resource "grafana_rule_group" "catalog_argocd" {
# `sum by (name)` keeps one series per ArgoCD app so the alert fires as a
# separate instance per degraded app (label `name`), surfaced in the page
# via {{ $labels.name }} and the per-app notification route in alerting.tf.
# thundermail-ticket-spike-monitor is excluded: it is a non-critical CronJob
# (Zendesk count poller) whose transient run failures hold the ArgoCD app
# Degraded for up to ~45m and page platform on-call. De-paged per
# thunderbird/platform-infrastructure#611 (durable fix = monitor resilience).
data {
ref_id = "A"
datasource_uid = var.prometheus_datasource_uid
Expand All @@ -1221,7 +1225,7 @@ resource "grafana_rule_group" "catalog_argocd" {
model = jsonencode({
refId = "A"
datasource = { type = "prometheus", uid = var.prometheus_datasource_uid }
expr = "sum by (name) (argocd_app_info{cluster=\"mzla-eks-shared01\",health_status=\"Degraded\"})"
expr = "sum by (name) (argocd_app_info{cluster=\"mzla-eks-shared01\",health_status=\"Degraded\",name!=\"thundermail-ticket-spike-monitor\"})"
instant = true
intervalMs = 1000
maxDataPoints = 43200
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