From 2546eb255919dd735c087436f7f1f91d1ef9fe31 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Masset?= <smasset@server>
Date: Wed, 1 Jun 2022 10:28:02 +0200
Subject: [PATCH] Added new configuration item for extra tolerations in DNS
 autoscaler
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Signed-off-by: Sébastien Masset <smt.masset@gmail.com>
---
 roles/kubernetes-apps/ansible/defaults/main.yml               | 1 +
 roles/kubernetes-apps/ansible/templates/dns-autoscaler.yml.j2 | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/roles/kubernetes-apps/ansible/defaults/main.yml b/roles/kubernetes-apps/ansible/defaults/main.yml
index 9e9d6557d..e193eeceb 100644
--- a/roles/kubernetes-apps/ansible/defaults/main.yml
+++ b/roles/kubernetes-apps/ansible/defaults/main.yml
@@ -24,6 +24,7 @@ nodelocaldns_secondary_prometheus_port: 9255
 dns_autoscaler_cpu_requests: 20m
 dns_autoscaler_memory_requests: 10Mi
 dns_autoscaler_deployment_nodeselector: "kubernetes.io/os: linux"
+# dns_autoscaler_extra_tolerations: [{effect: NoSchedule, operator: "Exists"}]
 
 # etcd metrics
 # etcd_metrics_service_labels:
diff --git a/roles/kubernetes-apps/ansible/templates/dns-autoscaler.yml.j2 b/roles/kubernetes-apps/ansible/templates/dns-autoscaler.yml.j2
index d6cba1dd7..6ea165183 100644
--- a/roles/kubernetes-apps/ansible/templates/dns-autoscaler.yml.j2
+++ b/roles/kubernetes-apps/ansible/templates/dns-autoscaler.yml.j2
@@ -45,6 +45,9 @@ spec:
           key: node-role.kubernetes.io/master
         - effect: NoSchedule
           key: node-role.kubernetes.io/control-plane
+{% if dns_autoscaler_extra_tolerations is defined %}
+        {{ dns_autoscaler_extra_tolerations | list | to_nice_yaml(indent=2) | indent(8) }}
+{% endif %}
       affinity:
         podAntiAffinity:
           requiredDuringSchedulingIgnoredDuringExecution: