Merge pull request #190 from strelok899/adding-IPVS-option

Adding-IPVS-option
lablabs · Feb 8, 2024 · 4a35717 · 4a35717
2 parents 8d68186 + 3bf1b22
commit 4a35717
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diff --git a/README.md b/README.md
@@ -85,6 +85,11 @@ rke2_kubevip_image: ghcr.io/kube-vip/kube-vip:v0.6.4
 # Specify which image is used for kube-vip cloud provider container
 rke2_kubevip_cloud_provider_image: ghcr.io/kube-vip/kube-vip-cloud-provider:v0.0.4
 
+# Enable kube-vip IPVS load balancer for control plane
+rke2_kubevip_ipvs_lb_enable: false
+# Enable layer 4 load balancing for control plane using IPVS kernel module
+# Must use kube-vip version 0.4.0 or later
+
 # (Optional) A list of kube-vip flags
 # All flags can be found here https://kube-vip.io/docs/installation/flags/
 # rke2_kubevip_args: []

diff --git a/defaults/main.yml b/defaults/main.yml
@@ -46,6 +46,12 @@ rke2_kubevip_image: ghcr.io/kube-vip/kube-vip:v0.6.4
 # Specify which image is used for kube-vip cloud provider container
 rke2_kubevip_cloud_provider_image: ghcr.io/kube-vip/kube-vip-cloud-provider:v0.0.4
 
+# Enable kube-vip IPVS load balancer for control plane
+rke2_kubevip_ipvs_lb_enable: false
+# Enable layer 4 load balancing for control plane using IPVS kernel module
+# Must use kube-vip version 0.4.0 or later
+
+
 # (Optional) A list of kube-vip flags
 # All flags can be found here https://kube-vip.io/docs/installation/flags/
 # rke2_kubevip_args: []

diff --git a/tasks/main.yml b/tasks/main.yml
@@ -21,6 +21,19 @@
   when:
     - rke2_ha_mode | bool
 
+- name: Enable IPVS kernel module
+  community.general.modprobe:
+    name: ip_vs
+    state: present
+    persistent: present
+  when:
+    - rke2_kubevip_ipvs_lb_enable | bool
+    - inventory_hostname in groups[rke2_servers_group_name]
+    - rke2_ha_mode | bool
+    - rke2_ha_mode_kubevip | bool
+    - not rke2_ha_mode_keepalived | bool
+
+
 - name: Copy kube-vip manifests to the masternode
   ansible.builtin.include_tasks: kubevip.yml
   when:

diff --git a/templates/kube-vip/kube-vip.yml.j2 b/templates/kube-vip/kube-vip.yml.j2
@@ -62,6 +62,8 @@ spec:
           value: "{{ rke2_api_ip }}"
         - name: prometheus_server
           value: :2112
+        - name: lb_enable
+          value: "{{ rke2_kubevip_ipvs_lb_enable }}"
 {% if rke2_kubevip_args  is defined %}
 {% for item in rke2_kubevip_args %}
         - name: {{ item.param }}