The addon-resizer container can reduce resource limits of cpu and memory of metrics-server container in the pod, and that caused OOMKilled. In addition, the original metrics-server manifest doesn't contain the addon-resizer container as [1]. So this adds metrics_server_resizer option to control the addon-resizer container deployment and the default value is false to make it stable for most environments. This is a cherry-pick of8d3961edbe
[1]:527679e5e8/manifests/base/deployment.yaml
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3 changed files with 4 additions and 0 deletions
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@ -14,6 +14,7 @@ registry_enabled: false
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# Metrics Server deployment
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metrics_server_enabled: false
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# metrics_server_resizer: false
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# metrics_server_kubelet_insecure_tls: true
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# metrics_server_metric_resolution: 15s
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# metrics_server_kubelet_preferred_address_types: "InternalIP"
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@ -1,4 +1,5 @@
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---
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metrics_server_resizer: false
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metrics_server_kubelet_insecure_tls: true
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metrics_server_kubelet_preferred_address_types: "InternalIP"
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metrics_server_metric_resolution: 15s
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@ -81,6 +81,7 @@ spec:
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requests:
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cpu: {{ metrics_server_requests_cpu }}
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memory: {{ metrics_server_requests_memory }}
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{% if metrics_server_resizer %}
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- name: metrics-server-nanny
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image: {{ addon_resizer_image_repo }}:{{ addon_resizer_image_tag }}
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imagePullPolicy: {{ k8s_image_pull_policy }}
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@ -118,6 +119,7 @@ spec:
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# Specifies the smallest cluster (defined in number of nodes)
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# resources will be scaled to.
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- --minClusterSize={{ metrics_server_min_cluster_size }}
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{% endif %}
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volumes:
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- name: metrics-server-config-volume
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configMap:
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