From baf4842774190a4611869daf16d6f7281420c12d Mon Sep 17 00:00:00 2001
From: kyrie <139965836+KubeKyrie@users.noreply.github.com>
Date: Mon, 25 Mar 2024 17:24:57 +0800
Subject: [PATCH] make kube-vip LeaderElection variables configurable (#11021)
Signed-off-by: KubeKyrie <shaolong.qin@daocloud.io>
---
docs/kube-vip.md | 8 ++++++++
roles/kubernetes/node/defaults/main.yml | 5 ++++-
.../node/templates/manifests/kube-vip.manifest.j2 | 6 +++---
3 files changed, 15 insertions(+), 4 deletions(-)
diff --git a/docs/kube-vip.md b/docs/kube-vip.md
index d5878ab6a..4ac3fbcfd 100644
--- a/docs/kube-vip.md
+++ b/docs/kube-vip.md
@@ -76,3 +76,11 @@ In addition, [load-balancing method](https://kube-vip.io/docs/installation/flags
```yaml
kube_vip_lb_fwdmethod: masquerade
```
+
+If you want to adjust the parameters of [kube-vip LeaderElection](https://kube-vip.io/docs/installation/flags/#environment-variables):
+
+```yaml
+kube_vip_leaseduration: 30
+kube_vip_renewdeadline: 20
+kube_vip_retryperiod: 4
+```
diff --git a/roles/kubernetes/node/defaults/main.yml b/roles/kubernetes/node/defaults/main.yml
index b3f8fbf10..7366b263f 100644
--- a/roles/kubernetes/node/defaults/main.yml
+++ b/roles/kubernetes/node/defaults/main.yml
@@ -87,6 +87,9 @@ kube_vip_address:
kube_vip_enableServicesElection: false
kube_vip_lb_enable: false
kube_vip_lb_fwdmethod: local
+kube_vip_leaseduration: 5
+kube_vip_renewdeadline: 3
+kube_vip_retryperiod: 1
# Requests for load balancer app
loadbalancer_apiserver_memory_requests: 32M
@@ -258,4 +261,4 @@ conntrack_modules:
## Enable distributed tracing for kubelet
kubelet_tracing: false
kubelet_tracing_endpoint: 0.0.0.0:4317
-kubelet_tracing_sampling_rate_per_million: 100
\ No newline at end of file
+kubelet_tracing_sampling_rate_per_million: 100
diff --git a/roles/kubernetes/node/templates/manifests/kube-vip.manifest.j2 b/roles/kubernetes/node/templates/manifests/kube-vip.manifest.j2
index 936ad44d2..ead73495d 100644
--- a/roles/kubernetes/node/templates/manifests/kube-vip.manifest.j2
+++ b/roles/kubernetes/node/templates/manifests/kube-vip.manifest.j2
@@ -48,11 +48,11 @@ spec:
- name: vip_leaderelection
value: "true"
- name: vip_leaseduration
- value: "5"
+ value: {{ kube_vip_leaseduration | string | to_json }}
- name: vip_renewdeadline
- value: "3"
+ value: {{ kube_vip_renewdeadline | string | to_json }}
- name: vip_retryperiod
- value: "1"
+ value: {{ kube_vip_retryperiod | string | to_json }}
{% endif %}
{% if kube_vip_bgp_enabled %}
- name: bgp_enable
--
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