a0f41bf82a
* [metrics_server]: Enabled HA mode by adding 'metrics_server_replicas' variable and adding podAntiAffinity rule Signed-off-by: Ugur Can Ozturk <57688057+ugur99@users.noreply.github.com> * [metrics_server]: added namespaces selector Signed-off-by: Ugur Can Ozturk <57688057+ugur99@users.noreply.github.com> Signed-off-by: Ugur Can Ozturk <57688057+ugur99@users.noreply.github.com>
107 lines
3.3 KiB
Django/Jinja
107 lines
3.3 KiB
Django/Jinja
---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: metrics-server
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namespace: kube-system
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labels:
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app.kubernetes.io/name: metrics-server
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addonmanager.kubernetes.io/mode: Reconcile
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version: {{ metrics_server_version }}
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spec:
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replicas: {{ metrics_server_replicas }}
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selector:
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matchLabels:
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app.kubernetes.io/name: metrics-server
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version: {{ metrics_server_version }}
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strategy:
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rollingUpdate:
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maxUnavailable: 0
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template:
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metadata:
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name: metrics-server
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labels:
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app.kubernetes.io/name: metrics-server
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version: {{ metrics_server_version }}
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annotations:
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seccomp.security.alpha.kubernetes.io/pod: 'runtime/default'
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spec:
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priorityClassName: system-cluster-critical
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serviceAccountName: metrics-server
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hostNetwork: {{ metrics_server_host_network | default(false) }}
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containers:
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- name: metrics-server
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image: {{ metrics_server_image_repo }}:{{ metrics_server_image_tag }}
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imagePullPolicy: {{ k8s_image_pull_policy }}
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args:
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- --logtostderr
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- --cert-dir=/tmp
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- --secure-port={{ metrics_server_container_port }}
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{% if metrics_server_kubelet_preferred_address_types %}
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- --kubelet-preferred-address-types={{ metrics_server_kubelet_preferred_address_types }}
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{% endif %}
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- --kubelet-use-node-status-port
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{% if metrics_server_kubelet_insecure_tls %}
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- --kubelet-insecure-tls
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{% endif %}
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- --metric-resolution={{ metrics_server_metric_resolution }}
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ports:
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- containerPort: {{ metrics_server_container_port }}
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name: https
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protocol: TCP
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volumeMounts:
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- name: tmp
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mountPath: /tmp
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livenessProbe:
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httpGet:
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path: /livez
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port: https
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scheme: HTTPS
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periodSeconds: 10
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failureThreshold: 3
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initialDelaySeconds: 40
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readinessProbe:
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httpGet:
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path: /readyz
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port: https
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scheme: HTTPS
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periodSeconds: 10
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failureThreshold: 3
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initialDelaySeconds: 40
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securityContext:
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readOnlyRootFilesystem: true
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runAsGroup: 10001
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runAsNonRoot: true
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runAsUser: 10001
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allowPrivilegeEscalation: false
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resources:
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limits:
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cpu: {{ metrics_server_limits_cpu }}
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memory: {{ metrics_server_limits_memory }}
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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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volumes:
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- name: tmp
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emptyDir: {}
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{% if not masters_are_not_tainted %}
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tolerations:
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- key: node-role.kubernetes.io/master
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effect: NoSchedule
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- key: node-role.kubernetes.io/control-plane
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effect: NoSchedule
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{% endif %}
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affinity:
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/name
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operator: In
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values:
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- metrics-server
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topologyKey: kubernetes.io/hostname
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namespaces:
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- kube-system |