Reduce severity of KubeAPIErrorBudgetBurn to info (#323)

Author: kovayur

resources/mixins/kubernetes/generated/alerts.yml

@@ -22,6 +22,9 @@ kubernetes {
       KubeMemoryOvercommit: { severity: critical },
       // Our current HPA strategy schedules max replica for scanner without it indicating an issue.
       KubeHpaMaxedOut: { severity: info },
+      // Flapping alert since the upgrade to OCP 4.17. The incident has already been reported to SRE-P.
+      // see ROX-30184, OHSS-48182
+      KubeAPIErrorBudgetBurn: { severity: info },
     };
 
     local addExtraLabels(rule) = rule {

resources/mixins/kubernetes/mixin.libsonnet

@@ -521,7 +521,7 @@ spec:
           "for": "2m"
           "labels":
             "long": "1h"
-            "severity": "critical"
+            "severity": "info"
             "short": "5m"
             "source": "mixin/kubernetes"
         - "alert": "KubeAPIErrorBudgetBurn"
@@ -536,7 +536,7 @@ spec:
           "for": "15m"
           "labels":
             "long": "6h"
-            "severity": "critical"
+            "severity": "info"
             "short": "30m"
             "source": "mixin/kubernetes"
         - "alert": "KubeAPIErrorBudgetBurn"
@@ -551,7 +551,7 @@ spec:
           "for": "1h"
           "labels":
             "long": "1d"
-            "severity": "warning"
+            "severity": "info"
             "short": "2h"
             "source": "mixin/kubernetes"
         - "alert": "KubeAPIErrorBudgetBurn"
@@ -566,7 +566,7 @@ spec:
           "for": "3h"
           "labels":
             "long": "3d"
-            "severity": "warning"
+            "severity": "info"
             "short": "6h"
             "source": "mixin/kubernetes"
     - "name": "kubernetes-system-apiserver"