From ddc853e1acd97a38949e8654716da061a7a93cd3 Mon Sep 17 00:00:00 2001
From: Scott Dodson <sdodson@redhat.com>
Date: Tue, 1 Sep 2020 15:08:45 -0400
Subject: [PATCH] node-exporter: set maxUnavailable to 10%
This daemonset doesn't affect workload availability so allow its rollout to
be parallelized.
---
jsonnet/kube-prometheus/node-exporter/node-exporter.libsonnet | 1 +
manifests/node-exporter-daemonset.yaml | 3 +++
2 files changed, 4 insertions(+)
diff --git a/jsonnet/kube-prometheus/node-exporter/node-exporter.libsonnet b/jsonnet/kube-prometheus/node-exporter/node-exporter.libsonnet
index 666ffebf..9ef17f63 100644
--- a/jsonnet/kube-prometheus/node-exporter/node-exporter.libsonnet
+++ b/jsonnet/kube-prometheus/node-exporter/node-exporter.libsonnet
@@ -137,6 +137,7 @@ local k = import 'ksonnet/ksonnet.beta.4/k.libsonnet';
daemonset.mixin.metadata.withNamespace($._config.namespace) +
daemonset.mixin.metadata.withLabels(podLabels) +
daemonset.mixin.spec.selector.withMatchLabels(selectorLabels) +
+ daemonset.mixin.spec.updateStrategy.rollingUpdate.withMaxUnavailable('10%') +
daemonset.mixin.spec.template.metadata.withLabels(podLabels) +
daemonset.mixin.spec.template.spec.withTolerations([existsToleration]) +
daemonset.mixin.spec.template.spec.withNodeSelector({ 'kubernetes.io/os': 'linux' }) +
diff --git a/manifests/node-exporter-daemonset.yaml b/manifests/node-exporter-daemonset.yaml
index 6454d7f7..eae2e475 100644
--- a/manifests/node-exporter-daemonset.yaml
+++ b/manifests/node-exporter-daemonset.yaml
@@ -88,3 +88,6 @@ spec:
- hostPath:
path: /
name: root
+ updateStrategy:
+ rollingUpdate:
+ maxUnavailable: 10%
--
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