mirror of https://git.rancher.io/rke2-charts
93 lines
2.7 KiB
YAML
93 lines
2.7 KiB
YAML
{{- if .Values.nodelocal.enabled }}
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---
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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name: node-local-dns
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namespace: kube-system
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labels:
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k8s-app: node-local-dns
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kubernetes.io/cluster-service: "true"
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addonmanager.kubernetes.io/mode: Reconcile
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spec:
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updateStrategy:
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rollingUpdate:
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maxUnavailable: 1
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selector:
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matchLabels:
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k8s-app: node-local-dns
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template:
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metadata:
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labels:
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k8s-app: node-local-dns
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spec:
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priorityClassName: system-node-critical
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{{- if .Values.rbac.create }}
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serviceAccountName: node-local-dns
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{{- end }}
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{{- if .Values.nodelocal.nodeSelector }}
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nodeSelector:
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{{ toYaml .Values.nodelocal.nodeSelector | indent 8 }}
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{{- end }}
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hostNetwork: true
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dnsPolicy: Default # Don't use cluster DNS.
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tolerations:
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- operator: Exists
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{{- if eq .Values.nodelocal.ipvs false }}
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initContainers:
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- name: wait-coredns
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image: {{ template "system_default_registry" . }}{{ .Values.nodelocal.initimage.repository }}:{{ .Values.nodelocal.initimage.tag }}
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command: ['sh', '-c', "until nc -zv {{ template "clusterDNSServerIP" . }} 53; do echo waiting for dns service; sleep 2; done"]
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{{- end }}
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containers:
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- name: node-cache
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image: {{ template "system_default_registry" . }}{{ .Values.nodelocal.image.repository }}:{{ .Values.nodelocal.image.tag }}
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resources:
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requests:
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cpu: 25m
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memory: 5Mi
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args: [ "-localip", "{{.Values.nodelocal.ip_address}}{{ template "nodelocalLocalIPFlag" . }}", "-conf", "/etc/Corefile", "-upstreamsvc", "kube-dns-upstream" ]
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securityContext:
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privileged: true
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ports:
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- containerPort: 53
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name: dns
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protocol: UDP
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- containerPort: 53
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name: dns-tcp
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protocol: TCP
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- containerPort: 9253
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name: metrics
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protocol: TCP
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livenessProbe:
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httpGet:
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host: {{.Values.nodelocal.ip_address}}
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path: /health
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port: 8080
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initialDelaySeconds: 60
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timeoutSeconds: 5
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volumeMounts:
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- mountPath: /run/xtables.lock
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name: xtables-lock
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readOnly: false
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- name: config-volume
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mountPath: /etc/coredns
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- name: kube-dns-config
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mountPath: /etc/kube-dns
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volumes:
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- name: xtables-lock
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hostPath:
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path: /run/xtables.lock
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type: FileOrCreate
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- name: kube-dns-config
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configMap:
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name: kube-dns
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optional: true
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- name: config-volume
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configMap:
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name: node-local-dns
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items:
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- key: Corefile
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path: Corefile.base
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{{- end }}
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