From 80418a44d514000324375af66b7865066bb4e6ef Mon Sep 17 00:00:00 2001
From: Anton Fayzrahmanov <f84anton@gmail.com>
Date: Wed, 27 Nov 2019 16:49:21 +0300
Subject: [PATCH] CoreDNS deployment extra tolerations (#5364)
* Add extra tolerations for coredns
* dns_extra_tolerations option
* dns_extra_tolerations
* missing starting space in comment
---
roles/kubernetes-apps/ansible/defaults/main.yml | 1 +
.../ansible/templates/coredns-deployment.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 536f988e6..18d3e2bcd 100644
--- a/roles/kubernetes-apps/ansible/defaults/main.yml
+++ b/roles/kubernetes-apps/ansible/defaults/main.yml
@@ -8,6 +8,7 @@ dns_nodes_per_replica: 16
dns_cores_per_replica: 256
dns_prevent_single_point_failure: "{{ 'true' if dns_min_replicas|int > 1 else 'false' }}"
coredns_ordinal_suffix: ""
+# dns_extra_tolerations: [{effect: NoSchedule, operator: "Exists"}]
# nodelocaldns
nodelocaldns_cpu_requests: 100m
diff --git a/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2 b/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2
index dcb976de7..c7337eef9 100644
--- a/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2
+++ b/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2
@@ -34,6 +34,9 @@ spec:
effect: NoSchedule
- key: "CriticalAddonsOnly"
operator: "Exists"
+{% if dns_extra_tolerations | default(None) %}
+ {{ dns_extra_tolerations | list | to_nice_yaml(indent=2) | indent(8) }}
+{% endif %}
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
--
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