Job:
#OCPBUGS-15430issue13 days agoKubeAPIDown alert rename and/or degraded status ASSIGNED
We have many guards making sure that there are always at least two instances of the kube-apiserver. If we ever reach a single kube-apiserver and it causes disruption for the clients, other alerts such as KubeAPIErrorBudgetBurn will fire.
KubeAPIDown is here to make sure that Prometheus and really any client can reach the kube-apiserver, which they can even when there is only one instance of kube-apiserver running. If they can't or that availability is disrupted, `KubeAPIErrorBudgetBurn` will fire.
Comment 23058588 by Marcel Härri at 2023-09-19T06:57:07.949+0000
#OCPBUGS-30267issue4 weeks ago[IBMCloud] MonitorTests liveness/readiness probe error events repeat MODIFIED
Mar 12 18:52:24.937 - 58s E namespace/openshift-kube-apiserver alert/KubeAPIErrorBudgetBurn alertstate/firing severity/critical ALERTS
{alertname="KubeAPIErrorBudgetBurn", alertstate="firing", long="1h", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="critical", short="5m"}
periodic-ci-openshift-multiarch-master-nightly-4.13-ocp-e2e-aws-ovn-arm64-techpreview-serial (all) - 34 runs, 9% failed, 200% of failures match = 18% impact
#1782568771173486592junit5 days ago
# [bz-kube-apiserver][invariant] alert/KubeAPIErrorBudgetBurn should not be at or above pending
KubeAPIErrorBudgetBurn was at or above pending for at least 14m48s on platformidentification.JobType{Release:"4.13", FromRelease:"", Platform:"aws", Architecture:"arm64", Network:"ovn", Topology:"ha"} (maxAllowed=0s): pending for 14m48s, firing for 0s:
Apr 23 01:20:40.995 - 888s  I alert/KubeAPIErrorBudgetBurn ns/openshift-kube-apiserver ALERTS{alertname="KubeAPIErrorBudgetBurn", alertstate="pending", long="3d", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="warning", short="6h"}
#1781571919682736128junit8 days ago
# [bz-kube-apiserver][invariant] alert/KubeAPIErrorBudgetBurn should not be at or above pending
KubeAPIErrorBudgetBurn was at or above pending for at least 48m16s on platformidentification.JobType{Release:"4.13", FromRelease:"", Platform:"aws", Architecture:"arm64", Network:"ovn", Topology:"ha"} (maxAllowed=0s): pending for 48m16s, firing for 0s:
Apr 20 07:11:11.313 - 338s  I alert/KubeAPIErrorBudgetBurn ns/openshift-kube-apiserver ALERTS{alertname="KubeAPIErrorBudgetBurn", alertstate="pending", long="1d", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="warning", short="2h"}
Apr 20 07:11:11.313 - 2558s I alert/KubeAPIErrorBudgetBurn ns/openshift-kube-apiserver ALERTS{alertname="KubeAPIErrorBudgetBurn", alertstate="pending", long="3d", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="warning", short="6h"}
#1781183046242799616junit9 days ago
# [bz-kube-apiserver][invariant] alert/KubeAPIErrorBudgetBurn should not be at or above pending
KubeAPIErrorBudgetBurn was at or above pending for at least 48s on platformidentification.JobType{Release:"4.13", FromRelease:"", Platform:"aws", Architecture:"arm64", Network:"ovn", Topology:"ha"} (maxAllowed=0s): pending for 48s, firing for 0s:
Apr 19 05:24:08.286 - 48s   I alert/KubeAPIErrorBudgetBurn ns/openshift-kube-apiserver ALERTS{alertname="KubeAPIErrorBudgetBurn", alertstate="pending", long="3d", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="warning", short="6h"}
#1780919067461292032junit10 days ago
# [bz-kube-apiserver][invariant] alert/KubeAPIErrorBudgetBurn should not be at or above pending
KubeAPIErrorBudgetBurn was at or above pending for at least 3m34s on platformidentification.JobType{Release:"4.13", FromRelease:"", Platform:"aws", Architecture:"arm64", Network:"ovn", Topology:"ha"} (maxAllowed=0s): pending for 3m34s, firing for 0s:
Apr 18 11:59:38.707 - 214s  I alert/KubeAPIErrorBudgetBurn ns/openshift-kube-apiserver ALERTS{alertname="KubeAPIErrorBudgetBurn", alertstate="pending", long="3d", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="warning", short="6h"}
#1779969587115200512junit12 days ago
# [bz-kube-apiserver][invariant] alert/KubeAPIErrorBudgetBurn should not be at or above pending
KubeAPIErrorBudgetBurn was at or above pending for at least 1m16s on platformidentification.JobType{Release:"4.13", FromRelease:"", Platform:"aws", Architecture:"arm64", Network:"ovn", Topology:"ha"} (maxAllowed=0s): pending for 1m16s, firing for 0s:
Apr 15 21:02:19.751 - 76s   I alert/KubeAPIErrorBudgetBurn ns/openshift-kube-apiserver ALERTS{alertname="KubeAPIErrorBudgetBurn", alertstate="pending", long="3d", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="warning", short="6h"}
#1780712035663745024junit10 days ago
# [bz-kube-apiserver][invariant] alert/KubeAPIErrorBudgetBurn should not be at or above pending
KubeAPIErrorBudgetBurn was at or above pending for at least 6m34s on platformidentification.JobType{Release:"4.13", FromRelease:"", Platform:"aws", Architecture:"arm64", Network:"ovn", Topology:"ha"} (maxAllowed=0s): pending for 6m34s, firing for 0s:
Apr 17 22:12:54.995 - 394s  I alert/KubeAPIErrorBudgetBurn ns/openshift-kube-apiserver ALERTS{alertname="KubeAPIErrorBudgetBurn", alertstate="pending", long="3d", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="warning", short="6h"}

Found in 17.65% of runs (200.00% of failures) across 34 total runs and 1 jobs (8.82% failed) in 230ms - clear search | chart view - source code located on github