From 1c6bc7a387763ba2c7448a96c91d05f8b0138ebf Mon Sep 17 00:00:00 2001
From: Frederic Branczyk <fbranczyk@gmail.com>
Date: Wed, 14 Dec 2016 18:10:50 -0800
Subject: [PATCH] kubernetes alerts: don't alert on multiple
bootkube starts two replicas of the scheduler and controllers manager
---
assets/prometheus/rules/kubernetes.rules | 12 ------------
manifests/prometheus/prometheus-k8s-rules.yaml | 12 ------------
2 files changed, 24 deletions(-)
diff --git a/assets/prometheus/rules/kubernetes.rules b/assets/prometheus/rules/kubernetes.rules
index 216c0ccd..c0dddb92 100644
--- a/assets/prometheus/rules/kubernetes.rules
+++ b/assets/prometheus/rules/kubernetes.rules
@@ -286,18 +286,6 @@ ALERT K8SControllerManagerDown
description = "There is no running K8S controller manager. Deployments and replication controllers are not making progress.",
}
-ALERT K8SMoreThanOneController
- IF count by (job,cluster) (up{job=~"kube-scheduler|kube-controller-manager"}) > 1
- FOR 5m
- LABELS {
- service = "k8s",
- severity = "critical",
- }
- ANNOTATIONS {
- summary = "More than one controller node is active",
- description = "There is more than one {{ $labels.job }} managing the cluster. Cluster behaviour is undefined.",
- }
-
ALERT K8SConntrackTableFull
IF 100*node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 50
FOR 10m
diff --git a/manifests/prometheus/prometheus-k8s-rules.yaml b/manifests/prometheus/prometheus-k8s-rules.yaml
index c01a7f3e..6e83500e 100644
--- a/manifests/prometheus/prometheus-k8s-rules.yaml
+++ b/manifests/prometheus/prometheus-k8s-rules.yaml
@@ -341,18 +341,6 @@ data:
description = "There is no running K8S controller manager. Deployments and replication controllers are not making progress.",
}
- ALERT K8SMoreThanOneController
- IF count by (job,cluster) (up{job=~"kube-scheduler|kube-controller-manager"}) > 1
- FOR 5m
- LABELS {
- service = "k8s",
- severity = "critical",
- }
- ANNOTATIONS {
- summary = "More than one controller node is active",
- description = "There is more than one {{ $labels.job }} managing the cluster. Cluster behaviour is undefined.",
- }
-
ALERT K8SConntrackTableFull
IF 100*node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 50
FOR 10m
--
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