From 2a696ddb345036b129b457f294222d7689a603c2 Mon Sep 17 00:00:00 2001
From: ausias-armesto <ausiasarmesto@gmail.com>
Date: Sun, 6 Nov 2022 11:38:15 +0100
Subject: [PATCH] Adding metrics server to use host network (#9444)
* Adding metrics server to use host network
* EXternalize value to a variable
---
inventory/sample/group_vars/k8s_cluster/addons.yml | 1 +
roles/kubernetes-apps/metrics_server/defaults/main.yml | 1 +
.../metrics_server/templates/metrics-server-deployment.yaml.j2 | 1 +
3 files changed, 3 insertions(+)
diff --git a/inventory/sample/group_vars/k8s_cluster/addons.yml b/inventory/sample/group_vars/k8s_cluster/addons.yml
index 1560a01da..0d58f6379 100644
--- a/inventory/sample/group_vars/k8s_cluster/addons.yml
+++ b/inventory/sample/group_vars/k8s_cluster/addons.yml
@@ -18,6 +18,7 @@ metrics_server_enabled: false
# metrics_server_kubelet_insecure_tls: true
# metrics_server_metric_resolution: 15s
# metrics_server_kubelet_preferred_address_types: "InternalIP,ExternalIP,Hostname"
+# metrics_server_host_network: false
# Rancher Local Path Provisioner
local_path_provisioner_enabled: false
diff --git a/roles/kubernetes-apps/metrics_server/defaults/main.yml b/roles/kubernetes-apps/metrics_server/defaults/main.yml
index 2dfad2737..a682b25cb 100644
--- a/roles/kubernetes-apps/metrics_server/defaults/main.yml
+++ b/roles/kubernetes-apps/metrics_server/defaults/main.yml
@@ -7,3 +7,4 @@ metrics_server_limits_cpu: 100m
metrics_server_limits_memory: 200Mi
metrics_server_requests_cpu: 100m
metrics_server_requests_memory: 200Mi
+metrics_server_host_network: false
diff --git a/roles/kubernetes-apps/metrics_server/templates/metrics-server-deployment.yaml.j2 b/roles/kubernetes-apps/metrics_server/templates/metrics-server-deployment.yaml.j2
index ce107ec17..d30b443c1 100644
--- a/roles/kubernetes-apps/metrics_server/templates/metrics-server-deployment.yaml.j2
+++ b/roles/kubernetes-apps/metrics_server/templates/metrics-server-deployment.yaml.j2
@@ -27,6 +27,7 @@ spec:
spec:
priorityClassName: system-cluster-critical
serviceAccountName: metrics-server
+ hostNetwork: {{ metrics_server_host_network | default(false) }}
containers:
- name: metrics-server
image: {{ metrics_server_image_repo }}:{{ metrics_server_image_tag }}
--
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